1 | /* $Id: IEMN8veRecompilerEmit.h 104155 2024-04-04 10:47:23Z vboxsync $ */
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2 | /** @file
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3 | * IEM - Interpreted Execution Manager - Native Recompiler Inlined Emitters.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | #ifndef VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h
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29 | #define VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h
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30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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31 | # pragma once
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32 | #endif
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33 |
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34 | #include "IEMN8veRecompiler.h"
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35 |
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36 |
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37 | /** @defgroup grp_iem_n8ve_re_inline Native Recompiler Inlined Emitters
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38 | * @ingroup grp_iem_n8ve_re
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39 | * @{
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40 | */
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41 |
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42 | /**
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43 | * Emit a simple marker instruction to more easily tell where something starts
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44 | * in the disassembly.
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45 | */
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46 | DECL_INLINE_THROW(uint32_t)
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47 | iemNativeEmitMarker(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uInfo)
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48 | {
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49 | #ifdef RT_ARCH_AMD64
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50 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
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51 | if (uInfo == 0)
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52 | {
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53 | /* nop */
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54 | pbCodeBuf[off++] = 0x90;
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55 | }
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56 | else
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57 | {
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58 | /* nop [disp32] */
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59 | pbCodeBuf[off++] = 0x0f;
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60 | pbCodeBuf[off++] = 0x1f;
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61 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM0, 0, 5);
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62 | pbCodeBuf[off++] = RT_BYTE1(uInfo);
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63 | pbCodeBuf[off++] = RT_BYTE2(uInfo);
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64 | pbCodeBuf[off++] = RT_BYTE3(uInfo);
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65 | pbCodeBuf[off++] = RT_BYTE4(uInfo);
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66 | }
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67 | #elif defined(RT_ARCH_ARM64)
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68 | /* nop */
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69 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
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70 | pu32CodeBuf[off++] = 0xd503201f;
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71 |
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72 | RT_NOREF(uInfo);
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73 | #else
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74 | # error "port me"
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75 | #endif
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76 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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77 | return off;
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78 | }
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79 |
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80 |
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81 | /**
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82 | * Emit a breakpoint instruction.
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83 | */
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84 | DECL_FORCE_INLINE(uint32_t) iemNativeEmitBrkEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t uInfo)
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85 | {
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86 | #ifdef RT_ARCH_AMD64
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87 | pCodeBuf[off++] = 0xcc;
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88 | RT_NOREF(uInfo); /** @todo use multibyte nop for info? */
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89 |
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90 | #elif defined(RT_ARCH_ARM64)
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91 | pCodeBuf[off++] = Armv8A64MkInstrBrk(uInfo & UINT32_C(0xffff));
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92 |
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93 | #else
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94 | # error "error"
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95 | #endif
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96 | return off;
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97 | }
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98 |
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99 |
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100 | /**
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101 | * Emit a breakpoint instruction.
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102 | */
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103 | DECL_INLINE_THROW(uint32_t) iemNativeEmitBrk(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uInfo)
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104 | {
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105 | #ifdef RT_ARCH_AMD64
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106 | off = iemNativeEmitBrkEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, uInfo);
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107 | #elif defined(RT_ARCH_ARM64)
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108 | off = iemNativeEmitBrkEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, uInfo);
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109 | #else
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110 | # error "error"
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111 | #endif
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112 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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113 | return off;
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114 | }
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115 |
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116 |
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117 | /*********************************************************************************************************************************
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118 | * Loads, Stores and Related Stuff. *
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119 | *********************************************************************************************************************************/
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120 |
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121 | #ifdef RT_ARCH_AMD64
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122 | /**
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123 | * Common bit of iemNativeEmitLoadGprByGpr and friends.
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124 | */
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125 | DECL_FORCE_INLINE(uint32_t)
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126 | iemNativeEmitGprByGprDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, uint8_t iGprBase, int32_t offDisp)
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127 | {
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128 | if (offDisp == 0 && (iGprBase & 7) != X86_GREG_xBP) /* Can use encoding w/o displacement field. */
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129 | {
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130 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM0, iGprReg & 7, iGprBase & 7);
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131 | if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
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132 | pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
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133 | }
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134 | else if (offDisp == (int8_t)offDisp)
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135 | {
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136 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, iGprBase & 7);
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137 | if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
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138 | pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
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139 | pbCodeBuf[off++] = (uint8_t)offDisp;
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140 | }
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141 | else
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142 | {
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143 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, iGprBase & 7);
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144 | if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
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145 | pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
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146 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
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147 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
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148 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
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149 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
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150 | }
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151 | return off;
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152 | }
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153 | #endif /* RT_ARCH_AMD64 */
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154 |
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155 | /**
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156 | * Emits setting a GPR to zero.
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157 | */
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158 | DECL_INLINE_THROW(uint32_t)
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159 | iemNativeEmitGprZero(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
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160 | {
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161 | #ifdef RT_ARCH_AMD64
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162 | /* xor gpr32, gpr32 */
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163 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
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164 | if (iGpr >= 8)
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165 | pbCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
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166 | pbCodeBuf[off++] = 0x33;
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167 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
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168 |
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169 | #elif defined(RT_ARCH_ARM64)
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170 | /* mov gpr, #0x0 */
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171 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
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172 | pu32CodeBuf[off++] = UINT32_C(0xd2800000) | iGpr;
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173 |
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174 | #else
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175 | # error "port me"
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176 | #endif
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177 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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178 | return off;
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179 | }
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180 |
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181 |
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182 | /**
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183 | * Variant of iemNativeEmitLoadGprImm64 where the caller ensures sufficent
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184 | * buffer space.
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185 | *
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186 | * Max buffer consumption:
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187 | * - AMD64: 10 instruction bytes.
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188 | * - ARM64: 4 instruction words (16 bytes).
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189 | */
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190 | DECL_FORCE_INLINE(uint32_t)
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191 | iemNativeEmitLoadGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint64_t uImm64)
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192 | {
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193 | #ifdef RT_ARCH_AMD64
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194 | if (uImm64 == 0)
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195 | {
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196 | /* xor gpr, gpr */
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197 | if (iGpr >= 8)
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198 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
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199 | pCodeBuf[off++] = 0x33;
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200 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
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201 | }
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202 | else if (uImm64 <= UINT32_MAX)
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203 | {
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204 | /* mov gpr, imm32 */
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205 | if (iGpr >= 8)
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206 | pCodeBuf[off++] = X86_OP_REX_B;
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207 | pCodeBuf[off++] = 0xb8 + (iGpr & 7);
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208 | pCodeBuf[off++] = RT_BYTE1(uImm64);
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209 | pCodeBuf[off++] = RT_BYTE2(uImm64);
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210 | pCodeBuf[off++] = RT_BYTE3(uImm64);
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211 | pCodeBuf[off++] = RT_BYTE4(uImm64);
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212 | }
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213 | else if (uImm64 == (uint64_t)(int32_t)uImm64)
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214 | {
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215 | /* mov gpr, sx(imm32) */
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216 | if (iGpr < 8)
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217 | pCodeBuf[off++] = X86_OP_REX_W;
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218 | else
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219 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_B;
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220 | pCodeBuf[off++] = 0xc7;
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221 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGpr & 7);
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222 | pCodeBuf[off++] = RT_BYTE1(uImm64);
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223 | pCodeBuf[off++] = RT_BYTE2(uImm64);
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224 | pCodeBuf[off++] = RT_BYTE3(uImm64);
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225 | pCodeBuf[off++] = RT_BYTE4(uImm64);
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226 | }
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227 | else
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228 | {
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229 | /* mov gpr, imm64 */
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230 | if (iGpr < 8)
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231 | pCodeBuf[off++] = X86_OP_REX_W;
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232 | else
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233 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_B;
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234 | pCodeBuf[off++] = 0xb8 + (iGpr & 7);
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235 | pCodeBuf[off++] = RT_BYTE1(uImm64);
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236 | pCodeBuf[off++] = RT_BYTE2(uImm64);
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237 | pCodeBuf[off++] = RT_BYTE3(uImm64);
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238 | pCodeBuf[off++] = RT_BYTE4(uImm64);
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239 | pCodeBuf[off++] = RT_BYTE5(uImm64);
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240 | pCodeBuf[off++] = RT_BYTE6(uImm64);
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241 | pCodeBuf[off++] = RT_BYTE7(uImm64);
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242 | pCodeBuf[off++] = RT_BYTE8(uImm64);
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243 | }
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244 |
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245 | #elif defined(RT_ARCH_ARM64)
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246 | /*
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247 | * We need to start this sequence with a 'mov grp, imm16, lsl #x' and
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248 | * supply remaining bits using 'movk grp, imm16, lsl #x'.
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249 | *
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250 | * The mov instruction is encoded 0xd2800000 + shift + imm16 + grp,
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251 | * while the movk is 0xf2800000 + shift + imm16 + grp, meaning the diff
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252 | * is 0x20000000 (bit 29). So, we keep this bit in a variable and set it
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253 | * after the first non-zero immediate component so we switch to movk for
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254 | * the remainder.
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255 | */
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256 | unsigned cZeroHalfWords = !( uImm64 & UINT16_MAX)
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257 | + !((uImm64 >> 16) & UINT16_MAX)
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258 | + !((uImm64 >> 32) & UINT16_MAX)
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259 | + !((uImm64 >> 48) & UINT16_MAX);
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260 | unsigned cFfffHalfWords = cZeroHalfWords >= 2 ? 0 /* skip */
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261 | : ( (uImm64 & UINT16_MAX) == UINT16_MAX)
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262 | + (((uImm64 >> 16) & UINT16_MAX) == UINT16_MAX)
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263 | + (((uImm64 >> 32) & UINT16_MAX) == UINT16_MAX)
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264 | + (((uImm64 >> 48) & UINT16_MAX) == UINT16_MAX);
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265 | if (cFfffHalfWords <= cZeroHalfWords)
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266 | {
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267 | uint32_t fMovBase = UINT32_C(0xd2800000) | iGpr;
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268 |
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269 | /* movz gpr, imm16 */
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270 | uint32_t uImmPart = (uint32_t)((uImm64 >> 0) & UINT32_C(0xffff));
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271 | if (uImmPart || cZeroHalfWords == 4)
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272 | {
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273 | pCodeBuf[off++] = fMovBase | (UINT32_C(0) << 21) | (uImmPart << 5);
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274 | fMovBase |= RT_BIT_32(29);
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275 | }
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276 | /* mov[z/k] gpr, imm16, lsl #16 */
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277 | uImmPart = (uint32_t)((uImm64 >> 16) & UINT32_C(0xffff));
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278 | if (uImmPart)
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279 | {
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280 | pCodeBuf[off++] = fMovBase | (UINT32_C(1) << 21) | (uImmPart << 5);
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281 | fMovBase |= RT_BIT_32(29);
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282 | }
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283 | /* mov[z/k] gpr, imm16, lsl #32 */
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284 | uImmPart = (uint32_t)((uImm64 >> 32) & UINT32_C(0xffff));
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285 | if (uImmPart)
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286 | {
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287 | pCodeBuf[off++] = fMovBase | (UINT32_C(2) << 21) | (uImmPart << 5);
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288 | fMovBase |= RT_BIT_32(29);
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289 | }
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290 | /* mov[z/k] gpr, imm16, lsl #48 */
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291 | uImmPart = (uint32_t)((uImm64 >> 48) & UINT32_C(0xffff));
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292 | if (uImmPart)
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293 | pCodeBuf[off++] = fMovBase | (UINT32_C(3) << 21) | (uImmPart << 5);
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294 | }
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295 | else
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296 | {
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297 | uint32_t fMovBase = UINT32_C(0x92800000) | iGpr;
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298 |
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299 | /* find the first half-word that isn't UINT16_MAX. */
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300 | uint32_t const iHwNotFfff = (uImm64 & UINT16_MAX) != UINT16_MAX ? 0
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301 | : ((uImm64 >> 16) & UINT16_MAX) != UINT16_MAX ? 1
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302 | : ((uImm64 >> 32) & UINT16_MAX) != UINT16_MAX ? 2 : 3;
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303 |
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304 | /* movn gpr, imm16, lsl #iHwNotFfff*16 */
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305 | uint32_t uImmPart = (uint32_t)(~(uImm64 >> (iHwNotFfff * 16)) & UINT32_C(0xffff)) << 5;
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306 | pCodeBuf[off++] = fMovBase | (iHwNotFfff << 21) | uImmPart;
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307 | fMovBase |= RT_BIT_32(30) | RT_BIT_32(29); /* -> movk */
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308 | /* movk gpr, imm16 */
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309 | if (iHwNotFfff != 0)
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310 | {
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311 | uImmPart = (uint32_t)((uImm64 >> 0) & UINT32_C(0xffff));
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312 | if (uImmPart != UINT32_C(0xffff))
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313 | pCodeBuf[off++] = fMovBase | (UINT32_C(0) << 21) | (uImmPart << 5);
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314 | }
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315 | /* movk gpr, imm16, lsl #16 */
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316 | if (iHwNotFfff != 1)
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317 | {
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318 | uImmPart = (uint32_t)((uImm64 >> 16) & UINT32_C(0xffff));
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319 | if (uImmPart != UINT32_C(0xffff))
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320 | pCodeBuf[off++] = fMovBase | (UINT32_C(1) << 21) | (uImmPart << 5);
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321 | }
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322 | /* movk gpr, imm16, lsl #32 */
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323 | if (iHwNotFfff != 2)
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324 | {
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325 | uImmPart = (uint32_t)((uImm64 >> 32) & UINT32_C(0xffff));
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326 | if (uImmPart != UINT32_C(0xffff))
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327 | pCodeBuf[off++] = fMovBase | (UINT32_C(2) << 21) | (uImmPart << 5);
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328 | }
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329 | /* movk gpr, imm16, lsl #48 */
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330 | if (iHwNotFfff != 3)
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331 | {
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332 | uImmPart = (uint32_t)((uImm64 >> 48) & UINT32_C(0xffff));
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333 | if (uImmPart != UINT32_C(0xffff))
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334 | pCodeBuf[off++] = fMovBase | (UINT32_C(3) << 21) | (uImmPart << 5);
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335 | }
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336 | }
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337 |
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338 | /** @todo load into 'w' register instead of 'x' when imm64 <= UINT32_MAX?
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339 | * clang 12.x does that, only to use the 'x' version for the
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340 | * addressing in the following ldr). */
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341 |
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342 | #else
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343 | # error "port me"
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344 | #endif
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345 | return off;
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346 | }
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347 |
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348 |
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349 | /**
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350 | * Emits loading a constant into a 64-bit GPR
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351 | */
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352 | DECL_INLINE_THROW(uint32_t)
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353 | iemNativeEmitLoadGprImm64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint64_t uImm64)
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354 | {
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355 | #ifdef RT_ARCH_AMD64
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356 | off = iemNativeEmitLoadGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 10), off, iGpr, uImm64);
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357 | #elif defined(RT_ARCH_ARM64)
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358 | off = iemNativeEmitLoadGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGpr, uImm64);
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359 | #else
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360 | # error "port me"
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361 | #endif
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362 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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363 | return off;
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364 | }
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365 |
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366 |
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367 | /**
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368 | * Variant of iemNativeEmitLoadGpr32Imm where the caller ensures sufficent
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369 | * buffer space.
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370 | *
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371 | * Max buffer consumption:
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372 | * - AMD64: 6 instruction bytes.
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373 | * - ARM64: 2 instruction words (8 bytes).
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374 | *
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375 | * @note The top 32 bits will be cleared.
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376 | */
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377 | DECLINLINE(uint32_t) iemNativeEmitLoadGpr32ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint32_t uImm32)
|
---|
378 | {
|
---|
379 | #ifdef RT_ARCH_AMD64
|
---|
380 | if (uImm32 == 0)
|
---|
381 | {
|
---|
382 | /* xor gpr, gpr */
|
---|
383 | if (iGpr >= 8)
|
---|
384 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
385 | pCodeBuf[off++] = 0x33;
|
---|
386 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
|
---|
387 | }
|
---|
388 | else
|
---|
389 | {
|
---|
390 | /* mov gpr, imm32 */
|
---|
391 | if (iGpr >= 8)
|
---|
392 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
393 | pCodeBuf[off++] = 0xb8 + (iGpr & 7);
|
---|
394 | pCodeBuf[off++] = RT_BYTE1(uImm32);
|
---|
395 | pCodeBuf[off++] = RT_BYTE2(uImm32);
|
---|
396 | pCodeBuf[off++] = RT_BYTE3(uImm32);
|
---|
397 | pCodeBuf[off++] = RT_BYTE4(uImm32);
|
---|
398 | }
|
---|
399 |
|
---|
400 | #elif defined(RT_ARCH_ARM64)
|
---|
401 | if ((uImm32 >> 16) == 0)
|
---|
402 | /* movz gpr, imm16 */
|
---|
403 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGpr, uImm32, 0, false /*f64Bit*/);
|
---|
404 | else if ((uImm32 & UINT32_C(0xffff)) == 0)
|
---|
405 | /* movz gpr, imm16, lsl #16 */
|
---|
406 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGpr, uImm32 >> 16, 1, false /*f64Bit*/);
|
---|
407 | else if ((uImm32 & UINT32_C(0xffff)) == UINT32_C(0xffff))
|
---|
408 | /* movn gpr, imm16, lsl #16 */
|
---|
409 | pCodeBuf[off++] = Armv8A64MkInstrMovN(iGpr, ~uImm32 >> 16, 1, false /*f64Bit*/);
|
---|
410 | else if ((uImm32 >> 16) == UINT32_C(0xffff))
|
---|
411 | /* movn gpr, imm16 */
|
---|
412 | pCodeBuf[off++] = Armv8A64MkInstrMovN(iGpr, ~uImm32, 0, false /*f64Bit*/);
|
---|
413 | else
|
---|
414 | {
|
---|
415 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGpr, uImm32 & UINT32_C(0xffff), 0, false /*f64Bit*/);
|
---|
416 | pCodeBuf[off++] = Armv8A64MkInstrMovK(iGpr, uImm32 >> 16, 1, false /*f64Bit*/);
|
---|
417 | }
|
---|
418 |
|
---|
419 | #else
|
---|
420 | # error "port me"
|
---|
421 | #endif
|
---|
422 | return off;
|
---|
423 | }
|
---|
424 |
|
---|
425 |
|
---|
426 | /**
|
---|
427 | * Emits loading a constant into a 32-bit GPR.
|
---|
428 | * @note The top 32 bits will be cleared.
|
---|
429 | */
|
---|
430 | DECL_INLINE_THROW(uint32_t)
|
---|
431 | iemNativeEmitLoadGprImm32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t uImm32)
|
---|
432 | {
|
---|
433 | #ifdef RT_ARCH_AMD64
|
---|
434 | off = iemNativeEmitLoadGpr32ImmEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, iGpr, uImm32);
|
---|
435 | #elif defined(RT_ARCH_ARM64)
|
---|
436 | off = iemNativeEmitLoadGpr32ImmEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iGpr, uImm32);
|
---|
437 | #else
|
---|
438 | # error "port me"
|
---|
439 | #endif
|
---|
440 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
441 | return off;
|
---|
442 | }
|
---|
443 |
|
---|
444 |
|
---|
445 | /**
|
---|
446 | * Emits loading a constant into a 8-bit GPR
|
---|
447 | * @note The AMD64 version does *NOT* clear any bits in the 8..63 range,
|
---|
448 | * only the ARM64 version does that.
|
---|
449 | */
|
---|
450 | DECL_INLINE_THROW(uint32_t)
|
---|
451 | iemNativeEmitLoadGpr8Imm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint8_t uImm8)
|
---|
452 | {
|
---|
453 | #ifdef RT_ARCH_AMD64
|
---|
454 | /* mov gpr, imm8 */
|
---|
455 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
456 | if (iGpr >= 8)
|
---|
457 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
458 | else if (iGpr >= 4)
|
---|
459 | pbCodeBuf[off++] = X86_OP_REX;
|
---|
460 | pbCodeBuf[off++] = 0xb0 + (iGpr & 7);
|
---|
461 | pbCodeBuf[off++] = RT_BYTE1(uImm8);
|
---|
462 |
|
---|
463 | #elif defined(RT_ARCH_ARM64)
|
---|
464 | /* movz gpr, imm16, lsl #0 */
|
---|
465 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
466 | pu32CodeBuf[off++] = UINT32_C(0xd2800000) | (UINT32_C(0) << 21) | ((uint32_t)uImm8 << 5) | iGpr;
|
---|
467 |
|
---|
468 | #else
|
---|
469 | # error "port me"
|
---|
470 | #endif
|
---|
471 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
472 | return off;
|
---|
473 | }
|
---|
474 |
|
---|
475 |
|
---|
476 | #ifdef RT_ARCH_AMD64
|
---|
477 | /**
|
---|
478 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
479 | */
|
---|
480 | DECL_FORCE_INLINE(uint32_t)
|
---|
481 | iemNativeEmitGprByVCpuDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, uint32_t offVCpu)
|
---|
482 | {
|
---|
483 | if (offVCpu < 128)
|
---|
484 | {
|
---|
485 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
486 | pbCodeBuf[off++] = (uint8_t)(int8_t)offVCpu;
|
---|
487 | }
|
---|
488 | else
|
---|
489 | {
|
---|
490 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
491 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offVCpu);
|
---|
492 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offVCpu);
|
---|
493 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offVCpu);
|
---|
494 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offVCpu);
|
---|
495 | }
|
---|
496 | return off;
|
---|
497 | }
|
---|
498 |
|
---|
499 | #elif defined(RT_ARCH_ARM64)
|
---|
500 |
|
---|
501 | /**
|
---|
502 | * Common bit of iemNativeEmitLoadGprFromVCpuU64Ex and friends.
|
---|
503 | *
|
---|
504 | * @note Loads can use @a iGprReg for large offsets, stores requires a temporary
|
---|
505 | * registers (@a iGprTmp).
|
---|
506 | * @note DON'T try this with prefetch.
|
---|
507 | */
|
---|
508 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
509 | iemNativeEmitGprByVCpuLdStEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprReg, uint32_t offVCpu,
|
---|
510 | ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData, uint8_t iGprTmp = UINT8_MAX)
|
---|
511 | {
|
---|
512 | /*
|
---|
513 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
514 | * try use those if we can, otherwise we have to use the temporary register
|
---|
515 | * help with the addressing.
|
---|
516 | */
|
---|
517 | if (offVCpu < _4K * cbData && !(offVCpu & (cbData - 1)))
|
---|
518 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
519 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
520 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData) && !(offVCpu & (cbData - 1)))
|
---|
521 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
522 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
523 | else if (!ARMV8A64INSTRLDSTTYPE_IS_STORE(enmOperation) || iGprTmp != UINT8_MAX)
|
---|
524 | {
|
---|
525 | /* The offset is too large, so we must load it into a register and use
|
---|
526 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
527 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
528 | if (iGprTmp == UINT8_MAX)
|
---|
529 | iGprTmp = iGprReg;
|
---|
530 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, offVCpu);
|
---|
531 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU, iGprTmp);
|
---|
532 | }
|
---|
533 | else
|
---|
534 | # ifdef IEM_WITH_THROW_CATCH
|
---|
535 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
536 | # else
|
---|
537 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
538 | # endif
|
---|
539 |
|
---|
540 | return off;
|
---|
541 | }
|
---|
542 |
|
---|
543 | /**
|
---|
544 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
545 | */
|
---|
546 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
547 | iemNativeEmitGprByVCpuLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprReg,
|
---|
548 | uint32_t offVCpu, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
549 | {
|
---|
550 | /*
|
---|
551 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
552 | * try use those if we can, otherwise we have to use the temporary register
|
---|
553 | * help with the addressing.
|
---|
554 | */
|
---|
555 | if (offVCpu < _4K * cbData && !(offVCpu & (cbData - 1)))
|
---|
556 | {
|
---|
557 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
558 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
559 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
560 | }
|
---|
561 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData) && !(offVCpu & (cbData - 1)))
|
---|
562 | {
|
---|
563 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
564 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
565 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
566 | }
|
---|
567 | else
|
---|
568 | {
|
---|
569 | /* The offset is too large, so we must load it into a register and use
|
---|
570 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
571 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
572 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, offVCpu);
|
---|
573 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
574 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
575 | IEMNATIVE_REG_FIXED_TMP0);
|
---|
576 | }
|
---|
577 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
578 | return off;
|
---|
579 | }
|
---|
580 |
|
---|
581 | #endif /* RT_ARCH_ARM64 */
|
---|
582 |
|
---|
583 |
|
---|
584 | /**
|
---|
585 | * Emits a 64-bit GPR load of a VCpu value.
|
---|
586 | */
|
---|
587 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
588 | iemNativeEmitLoadGprFromVCpuU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
589 | {
|
---|
590 | #ifdef RT_ARCH_AMD64
|
---|
591 | /* mov reg64, mem64 */
|
---|
592 | if (iGpr < 8)
|
---|
593 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
594 | else
|
---|
595 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
596 | pCodeBuf[off++] = 0x8b;
|
---|
597 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off,iGpr, offVCpu);
|
---|
598 |
|
---|
599 | #elif defined(RT_ARCH_ARM64)
|
---|
600 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
601 |
|
---|
602 | #else
|
---|
603 | # error "port me"
|
---|
604 | #endif
|
---|
605 | return off;
|
---|
606 | }
|
---|
607 |
|
---|
608 |
|
---|
609 | /**
|
---|
610 | * Emits a 64-bit GPR load of a VCpu value.
|
---|
611 | */
|
---|
612 | DECL_INLINE_THROW(uint32_t)
|
---|
613 | iemNativeEmitLoadGprFromVCpuU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
614 | {
|
---|
615 | #ifdef RT_ARCH_AMD64
|
---|
616 | off = iemNativeEmitLoadGprFromVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGpr, offVCpu);
|
---|
617 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
618 |
|
---|
619 | #elif defined(RT_ARCH_ARM64)
|
---|
620 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
621 |
|
---|
622 | #else
|
---|
623 | # error "port me"
|
---|
624 | #endif
|
---|
625 | return off;
|
---|
626 | }
|
---|
627 |
|
---|
628 |
|
---|
629 | /**
|
---|
630 | * Emits a 32-bit GPR load of a VCpu value.
|
---|
631 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
632 | */
|
---|
633 | DECL_INLINE_THROW(uint32_t)
|
---|
634 | iemNativeEmitLoadGprFromVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
635 | {
|
---|
636 | #ifdef RT_ARCH_AMD64
|
---|
637 | /* mov reg32, mem32 */
|
---|
638 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
639 | if (iGpr >= 8)
|
---|
640 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
641 | pbCodeBuf[off++] = 0x8b;
|
---|
642 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
643 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
644 |
|
---|
645 | #elif defined(RT_ARCH_ARM64)
|
---|
646 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t));
|
---|
647 |
|
---|
648 | #else
|
---|
649 | # error "port me"
|
---|
650 | #endif
|
---|
651 | return off;
|
---|
652 | }
|
---|
653 |
|
---|
654 |
|
---|
655 | /**
|
---|
656 | * Emits a 16-bit GPR load of a VCpu value.
|
---|
657 | * @note Bits 16 thru 63 in the GPR will be zero after the operation.
|
---|
658 | */
|
---|
659 | DECL_INLINE_THROW(uint32_t)
|
---|
660 | iemNativeEmitLoadGprFromVCpuU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
661 | {
|
---|
662 | #ifdef RT_ARCH_AMD64
|
---|
663 | /* movzx reg32, mem16 */
|
---|
664 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
665 | if (iGpr >= 8)
|
---|
666 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
667 | pbCodeBuf[off++] = 0x0f;
|
---|
668 | pbCodeBuf[off++] = 0xb7;
|
---|
669 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
670 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
671 |
|
---|
672 | #elif defined(RT_ARCH_ARM64)
|
---|
673 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Half, sizeof(uint16_t));
|
---|
674 |
|
---|
675 | #else
|
---|
676 | # error "port me"
|
---|
677 | #endif
|
---|
678 | return off;
|
---|
679 | }
|
---|
680 |
|
---|
681 |
|
---|
682 | /**
|
---|
683 | * Emits a 8-bit GPR load of a VCpu value.
|
---|
684 | * @note Bits 8 thru 63 in the GPR will be zero after the operation.
|
---|
685 | */
|
---|
686 | DECL_INLINE_THROW(uint32_t)
|
---|
687 | iemNativeEmitLoadGprFromVCpuU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
688 | {
|
---|
689 | #ifdef RT_ARCH_AMD64
|
---|
690 | /* movzx reg32, mem8 */
|
---|
691 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
692 | if (iGpr >= 8)
|
---|
693 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
694 | pbCodeBuf[off++] = 0x0f;
|
---|
695 | pbCodeBuf[off++] = 0xb6;
|
---|
696 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
697 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
698 |
|
---|
699 | #elif defined(RT_ARCH_ARM64)
|
---|
700 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Byte, sizeof(uint8_t));
|
---|
701 |
|
---|
702 | #else
|
---|
703 | # error "port me"
|
---|
704 | #endif
|
---|
705 | return off;
|
---|
706 | }
|
---|
707 |
|
---|
708 |
|
---|
709 | /**
|
---|
710 | * Emits a store of a GPR value to a 64-bit VCpu field.
|
---|
711 | */
|
---|
712 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
713 | iemNativeEmitStoreGprToVCpuU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint32_t offVCpu,
|
---|
714 | uint8_t iGprTmp = UINT8_MAX)
|
---|
715 | {
|
---|
716 | #ifdef RT_ARCH_AMD64
|
---|
717 | /* mov mem64, reg64 */
|
---|
718 | if (iGpr < 8)
|
---|
719 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
720 | else
|
---|
721 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
722 | pCodeBuf[off++] = 0x89;
|
---|
723 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iGpr, offVCpu);
|
---|
724 | RT_NOREF(iGprTmp);
|
---|
725 |
|
---|
726 | #elif defined(RT_ARCH_ARM64)
|
---|
727 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Dword, sizeof(uint64_t), iGprTmp);
|
---|
728 |
|
---|
729 | #else
|
---|
730 | # error "port me"
|
---|
731 | #endif
|
---|
732 | return off;
|
---|
733 | }
|
---|
734 |
|
---|
735 |
|
---|
736 | /**
|
---|
737 | * Emits a store of a GPR value to a 64-bit VCpu field.
|
---|
738 | */
|
---|
739 | DECL_INLINE_THROW(uint32_t)
|
---|
740 | iemNativeEmitStoreGprToVCpuU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
741 | {
|
---|
742 | #ifdef RT_ARCH_AMD64
|
---|
743 | off = iemNativeEmitStoreGprToVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGpr, offVCpu);
|
---|
744 | #elif defined(RT_ARCH_ARM64)
|
---|
745 | off = iemNativeEmitStoreGprToVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iGpr, offVCpu,
|
---|
746 | IEMNATIVE_REG_FIXED_TMP0);
|
---|
747 | #else
|
---|
748 | # error "port me"
|
---|
749 | #endif
|
---|
750 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
751 | return off;
|
---|
752 | }
|
---|
753 |
|
---|
754 |
|
---|
755 | /**
|
---|
756 | * Emits a store of a GPR value to a 32-bit VCpu field.
|
---|
757 | */
|
---|
758 | DECL_INLINE_THROW(uint32_t)
|
---|
759 | iemNativeEmitStoreGprToVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
760 | {
|
---|
761 | #ifdef RT_ARCH_AMD64
|
---|
762 | /* mov mem32, reg32 */
|
---|
763 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
764 | if (iGpr >= 8)
|
---|
765 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
766 | pbCodeBuf[off++] = 0x89;
|
---|
767 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
768 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
769 |
|
---|
770 | #elif defined(RT_ARCH_ARM64)
|
---|
771 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t));
|
---|
772 |
|
---|
773 | #else
|
---|
774 | # error "port me"
|
---|
775 | #endif
|
---|
776 | return off;
|
---|
777 | }
|
---|
778 |
|
---|
779 |
|
---|
780 | /**
|
---|
781 | * Emits a store of a GPR value to a 16-bit VCpu field.
|
---|
782 | */
|
---|
783 | DECL_INLINE_THROW(uint32_t)
|
---|
784 | iemNativeEmitStoreGprToVCpuU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
785 | {
|
---|
786 | #ifdef RT_ARCH_AMD64
|
---|
787 | /* mov mem16, reg16 */
|
---|
788 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
789 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
790 | if (iGpr >= 8)
|
---|
791 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
792 | pbCodeBuf[off++] = 0x89;
|
---|
793 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
794 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
795 |
|
---|
796 | #elif defined(RT_ARCH_ARM64)
|
---|
797 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Half, sizeof(uint16_t));
|
---|
798 |
|
---|
799 | #else
|
---|
800 | # error "port me"
|
---|
801 | #endif
|
---|
802 | return off;
|
---|
803 | }
|
---|
804 |
|
---|
805 |
|
---|
806 | /**
|
---|
807 | * Emits a store of a GPR value to a 8-bit VCpu field.
|
---|
808 | */
|
---|
809 | DECL_INLINE_THROW(uint32_t)
|
---|
810 | iemNativeEmitStoreGprToVCpuU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
811 | {
|
---|
812 | #ifdef RT_ARCH_AMD64
|
---|
813 | /* mov mem8, reg8 */
|
---|
814 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
815 | if (iGpr >= 8)
|
---|
816 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
817 | pbCodeBuf[off++] = 0x88;
|
---|
818 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
819 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
820 |
|
---|
821 | #elif defined(RT_ARCH_ARM64)
|
---|
822 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t));
|
---|
823 |
|
---|
824 | #else
|
---|
825 | # error "port me"
|
---|
826 | #endif
|
---|
827 | return off;
|
---|
828 | }
|
---|
829 |
|
---|
830 |
|
---|
831 | /**
|
---|
832 | * Emits a store of an immediate value to a 32-bit VCpu field.
|
---|
833 | *
|
---|
834 | * @note ARM64: Will allocate temporary registers.
|
---|
835 | */
|
---|
836 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
837 | iemNativeEmitStoreImmToVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uImm, uint32_t offVCpu)
|
---|
838 | {
|
---|
839 | #ifdef RT_ARCH_AMD64
|
---|
840 | /* mov mem32, imm32 */
|
---|
841 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 10);
|
---|
842 | pCodeBuf[off++] = 0xc7;
|
---|
843 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
844 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
845 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
846 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
847 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
848 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
849 |
|
---|
850 | #elif defined(RT_ARCH_ARM64)
|
---|
851 | uint8_t const idxRegImm = uImm == 0 ? ARMV8_A64_REG_XZR : iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
852 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, idxRegImm, offVCpu, kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t));
|
---|
853 | if (idxRegImm != ARMV8_A64_REG_XZR)
|
---|
854 | iemNativeRegFreeTmpImm(pReNative, idxRegImm);
|
---|
855 |
|
---|
856 | #else
|
---|
857 | # error "port me"
|
---|
858 | #endif
|
---|
859 | return off;
|
---|
860 | }
|
---|
861 |
|
---|
862 |
|
---|
863 |
|
---|
864 | /**
|
---|
865 | * Emits a store of an immediate value to a 16-bit VCpu field.
|
---|
866 | *
|
---|
867 | * @note ARM64: A idxTmp1 is always required! The idxTmp2 depends on whehter the
|
---|
868 | * offset can be encoded as an immediate or not. The @a offVCpu immediate
|
---|
869 | * range is 0..8190 bytes from VMCPU and the same from CPUMCPU.
|
---|
870 | */
|
---|
871 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
872 | iemNativeEmitStoreImmToVCpuU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint16_t uImm, uint32_t offVCpu,
|
---|
873 | uint8_t idxTmp1 = UINT8_MAX, uint8_t idxTmp2 = UINT8_MAX)
|
---|
874 | {
|
---|
875 | #ifdef RT_ARCH_AMD64
|
---|
876 | /* mov mem16, imm16 */
|
---|
877 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
878 | pCodeBuf[off++] = 0xc7;
|
---|
879 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
880 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
881 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
882 | RT_NOREF(idxTmp1, idxTmp2);
|
---|
883 |
|
---|
884 | #elif defined(RT_ARCH_ARM64)
|
---|
885 | if (idxTmp1 != UINT8_MAX)
|
---|
886 | {
|
---|
887 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmp1, uImm);
|
---|
888 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, idxTmp1, offVCpu, kArmv8A64InstrLdStType_St_Half,
|
---|
889 | sizeof(uint16_t), idxTmp2);
|
---|
890 | }
|
---|
891 | else
|
---|
892 | # ifdef IEM_WITH_THROW_CATCH
|
---|
893 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
894 | # else
|
---|
895 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
896 | # endif
|
---|
897 |
|
---|
898 | #else
|
---|
899 | # error "port me"
|
---|
900 | #endif
|
---|
901 | return off;
|
---|
902 | }
|
---|
903 |
|
---|
904 |
|
---|
905 | /**
|
---|
906 | * Emits a store of an immediate value to a 8-bit VCpu field.
|
---|
907 | */
|
---|
908 | DECL_INLINE_THROW(uint32_t)
|
---|
909 | iemNativeEmitStoreImmToVCpuU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t bImm, uint32_t offVCpu)
|
---|
910 | {
|
---|
911 | #ifdef RT_ARCH_AMD64
|
---|
912 | /* mov mem8, imm8 */
|
---|
913 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
914 | pbCodeBuf[off++] = 0xc6;
|
---|
915 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, 0, offVCpu);
|
---|
916 | pbCodeBuf[off++] = bImm;
|
---|
917 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
918 |
|
---|
919 | #elif defined(RT_ARCH_ARM64)
|
---|
920 | /* Cannot use IEMNATIVE_REG_FIXED_TMP0 for the immediate as that's used by iemNativeEmitGprByVCpuLdSt. */
|
---|
921 | uint8_t const idxRegImm = iemNativeRegAllocTmpImm(pReNative, &off, bImm);
|
---|
922 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, idxRegImm, offVCpu, kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t));
|
---|
923 | iemNativeRegFreeTmpImm(pReNative, idxRegImm);
|
---|
924 |
|
---|
925 | #else
|
---|
926 | # error "port me"
|
---|
927 | #endif
|
---|
928 | return off;
|
---|
929 | }
|
---|
930 |
|
---|
931 |
|
---|
932 | /**
|
---|
933 | * Emits a load effective address to a GRP of a VCpu field.
|
---|
934 | */
|
---|
935 | DECL_INLINE_THROW(uint32_t)
|
---|
936 | iemNativeEmitLeaGprByVCpu(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t offVCpu)
|
---|
937 | {
|
---|
938 | #ifdef RT_ARCH_AMD64
|
---|
939 | /* lea gprdst, [rbx + offDisp] */
|
---|
940 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
941 | if (iGprDst < 8)
|
---|
942 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
943 | else
|
---|
944 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
945 | pbCodeBuf[off++] = 0x8d;
|
---|
946 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGprDst, offVCpu);
|
---|
947 |
|
---|
948 | #elif defined(RT_ARCH_ARM64)
|
---|
949 | if (offVCpu < (unsigned)_4K)
|
---|
950 | {
|
---|
951 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
952 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, IEMNATIVE_REG_FIXED_PVMCPU, offVCpu);
|
---|
953 | }
|
---|
954 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)_4K)
|
---|
955 | {
|
---|
956 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
957 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
958 | offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx));
|
---|
959 | }
|
---|
960 | else
|
---|
961 | {
|
---|
962 | Assert(iGprDst != IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
963 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, offVCpu);
|
---|
964 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
965 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, IEMNATIVE_REG_FIXED_PCPUMCTX, iGprDst);
|
---|
966 | }
|
---|
967 |
|
---|
968 | #else
|
---|
969 | # error "port me"
|
---|
970 | #endif
|
---|
971 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
972 | return off;
|
---|
973 | }
|
---|
974 |
|
---|
975 |
|
---|
976 | /** This is just as a typesafe alternative to RT_UOFFSETOF. */
|
---|
977 | DECL_FORCE_INLINE(uint32_t) iemNativeVCpuOffsetFromStamCounterPtr(PVMCPU pVCpu, PSTAMCOUNTER pStamCounter)
|
---|
978 | {
|
---|
979 | uintptr_t const off = (uintptr_t)pStamCounter - (uintptr_t)pVCpu;
|
---|
980 | Assert(off < sizeof(VMCPU));
|
---|
981 | return off;
|
---|
982 | }
|
---|
983 |
|
---|
984 |
|
---|
985 | /** This is just as a typesafe alternative to RT_UOFFSETOF. */
|
---|
986 | DECL_FORCE_INLINE(uint32_t) iemNativeVCpuOffsetFromU64Ptr(PVMCPU pVCpu, uint64_t *pu64)
|
---|
987 | {
|
---|
988 | uintptr_t const off = (uintptr_t)pu64 - (uintptr_t)pVCpu;
|
---|
989 | Assert(off < sizeof(VMCPU));
|
---|
990 | return off;
|
---|
991 | }
|
---|
992 |
|
---|
993 |
|
---|
994 | /**
|
---|
995 | * Emits code for incrementing a statistics counter (STAMCOUNTER/uint64_t) in VMCPU.
|
---|
996 | *
|
---|
997 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
998 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
999 | * encoded as an immediate.
|
---|
1000 | */
|
---|
1001 | DECL_FORCE_INLINE(uint32_t)
|
---|
1002 | iemNativeEmitIncStamCounterInVCpuEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1003 | {
|
---|
1004 | #ifdef RT_ARCH_AMD64
|
---|
1005 | /* inc qword [pVCpu + off] */
|
---|
1006 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
1007 | pCodeBuf[off++] = 0xff;
|
---|
1008 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
1009 | RT_NOREF(idxTmp1, idxTmp2);
|
---|
1010 |
|
---|
1011 | #elif defined(RT_ARCH_ARM64)
|
---|
1012 | /* Determine how we're to access pVCpu first. */
|
---|
1013 | uint32_t const cbData = sizeof(STAMCOUNTER);
|
---|
1014 | if (offVCpu < _4K * cbData && !(offVCpu & (cbData - 1)))
|
---|
1015 | {
|
---|
1016 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1017 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1,
|
---|
1018 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1019 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1020 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, idxTmp1,
|
---|
1021 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1022 | }
|
---|
1023 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData) && !(offVCpu & (cbData - 1)))
|
---|
1024 | {
|
---|
1025 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1026 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1027 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1028 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1029 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1030 | }
|
---|
1031 | else
|
---|
1032 | {
|
---|
1033 | /* The offset is too large, so we must load it into a register and use
|
---|
1034 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
1035 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmp2, offVCpu);
|
---|
1036 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1037 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1038 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1039 | }
|
---|
1040 |
|
---|
1041 | #else
|
---|
1042 | # error "port me"
|
---|
1043 | #endif
|
---|
1044 | return off;
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 |
|
---|
1048 | /**
|
---|
1049 | * Emits code for incrementing a statistics counter (STAMCOUNTER/uint64_t) in VMCPU.
|
---|
1050 | *
|
---|
1051 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1052 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1053 | * encoded as an immediate.
|
---|
1054 | */
|
---|
1055 | DECL_FORCE_INLINE(uint32_t)
|
---|
1056 | iemNativeEmitIncStamCounterInVCpu(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1057 | {
|
---|
1058 | #ifdef RT_ARCH_AMD64
|
---|
1059 | off = iemNativeEmitIncStamCounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1060 | #elif defined(RT_ARCH_ARM64)
|
---|
1061 | off = iemNativeEmitIncStamCounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 4+3), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1062 | #else
|
---|
1063 | # error "port me"
|
---|
1064 | #endif
|
---|
1065 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1066 | return off;
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 |
|
---|
1070 | /**
|
---|
1071 | * Emits code for incrementing an unsigned 32-bit statistics counter in VMCPU.
|
---|
1072 | *
|
---|
1073 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1074 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1075 | * encoded as an immediate.
|
---|
1076 | */
|
---|
1077 | DECL_FORCE_INLINE(uint32_t)
|
---|
1078 | iemNativeEmitIncU32CounterInVCpuEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1079 | {
|
---|
1080 | Assert(!(offVCpu & 3)); /* ASSUME correctly aligned member. */
|
---|
1081 | #ifdef RT_ARCH_AMD64
|
---|
1082 | /* inc dword [pVCpu + offVCpu] */
|
---|
1083 | pCodeBuf[off++] = 0xff;
|
---|
1084 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
1085 | RT_NOREF(idxTmp1, idxTmp2);
|
---|
1086 |
|
---|
1087 | #elif defined(RT_ARCH_ARM64)
|
---|
1088 | /* Determine how we're to access pVCpu first. */
|
---|
1089 | uint32_t const cbData = sizeof(uint32_t);
|
---|
1090 | if (offVCpu < (unsigned)(_4K * cbData))
|
---|
1091 | {
|
---|
1092 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1093 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1,
|
---|
1094 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1095 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1096 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, idxTmp1,
|
---|
1097 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1098 | }
|
---|
1099 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData))
|
---|
1100 | {
|
---|
1101 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1102 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1103 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1104 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1105 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1106 | }
|
---|
1107 | else
|
---|
1108 | {
|
---|
1109 | /* The offset is too large, so we must load it into a register and use
|
---|
1110 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. We'll try use the 'LSL, #2' feature
|
---|
1111 | of the instruction if that'll reduce the constant to 16-bits. */
|
---|
1112 | if (offVCpu / cbData < (unsigned)UINT16_MAX)
|
---|
1113 | {
|
---|
1114 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmp2, offVCpu / cbData);
|
---|
1115 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1116 | idxTmp2, kArmv8A64InstrLdStExtend_Lsl, true /*fShifted(2)*/);
|
---|
1117 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1118 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1119 | idxTmp2, kArmv8A64InstrLdStExtend_Lsl, true /*fShifted(2)*/);
|
---|
1120 | }
|
---|
1121 | else
|
---|
1122 | {
|
---|
1123 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmp2, offVCpu);
|
---|
1124 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1125 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1126 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1127 | }
|
---|
1128 | }
|
---|
1129 |
|
---|
1130 | #else
|
---|
1131 | # error "port me"
|
---|
1132 | #endif
|
---|
1133 | return off;
|
---|
1134 | }
|
---|
1135 |
|
---|
1136 |
|
---|
1137 | /**
|
---|
1138 | * Emits code for incrementing an unsigned 32-bit statistics counter in VMCPU.
|
---|
1139 | *
|
---|
1140 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1141 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1142 | * encoded as an immediate.
|
---|
1143 | */
|
---|
1144 | DECL_FORCE_INLINE(uint32_t)
|
---|
1145 | iemNativeEmitIncU32CounterInVCpu(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1146 | {
|
---|
1147 | #ifdef RT_ARCH_AMD64
|
---|
1148 | off = iemNativeEmitIncU32CounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1149 | #elif defined(RT_ARCH_ARM64)
|
---|
1150 | off = iemNativeEmitIncU32CounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 4+3), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1151 | #else
|
---|
1152 | # error "port me"
|
---|
1153 | #endif
|
---|
1154 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1155 | return off;
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 |
|
---|
1159 | /**
|
---|
1160 | * Emits code for OR'ing a bitmask into a 32-bit VMCPU member.
|
---|
1161 | *
|
---|
1162 | * @note May allocate temporary registers (not AMD64).
|
---|
1163 | */
|
---|
1164 | DECL_FORCE_INLINE(uint32_t)
|
---|
1165 | iemNativeEmitOrImmIntoVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t fMask, uint32_t offVCpu)
|
---|
1166 | {
|
---|
1167 | Assert(!(offVCpu & 3)); /* ASSUME correctly aligned member. */
|
---|
1168 | #ifdef RT_ARCH_AMD64
|
---|
1169 | /* or dword [pVCpu + offVCpu], imm8/32 */
|
---|
1170 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 10);
|
---|
1171 | if (fMask < 0x80)
|
---|
1172 | {
|
---|
1173 | pCodeBuf[off++] = 0x83;
|
---|
1174 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 1, offVCpu);
|
---|
1175 | pCodeBuf[off++] = (uint8_t)fMask;
|
---|
1176 | }
|
---|
1177 | else
|
---|
1178 | {
|
---|
1179 | pCodeBuf[off++] = 0x81;
|
---|
1180 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 1, offVCpu);
|
---|
1181 | pCodeBuf[off++] = RT_BYTE1(fMask);
|
---|
1182 | pCodeBuf[off++] = RT_BYTE2(fMask);
|
---|
1183 | pCodeBuf[off++] = RT_BYTE3(fMask);
|
---|
1184 | pCodeBuf[off++] = RT_BYTE4(fMask);
|
---|
1185 | }
|
---|
1186 |
|
---|
1187 | #elif defined(RT_ARCH_ARM64)
|
---|
1188 | /* If the constant is unwieldy we'll need a register to hold it as well. */
|
---|
1189 | uint32_t uImmSizeLen, uImmRotate;
|
---|
1190 | uint8_t const idxTmpMask = Armv8A64ConvertMask32ToImmRImmS(fMask, &uImmSizeLen, &uImmRotate) ? UINT8_MAX
|
---|
1191 | : iemNativeRegAllocTmpImm(pReNative, &off, fMask);
|
---|
1192 |
|
---|
1193 | /* We need a temp register for holding the member value we're modifying. */
|
---|
1194 | uint8_t const idxTmpValue = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1195 |
|
---|
1196 | /* Determine how we're to access pVCpu first. */
|
---|
1197 | uint32_t const cbData = sizeof(uint32_t);
|
---|
1198 | if (offVCpu < (unsigned)(_4K * cbData))
|
---|
1199 | {
|
---|
1200 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1201 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1202 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue,
|
---|
1203 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1204 | if (idxTmpMask == UINT8_MAX)
|
---|
1205 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1206 | else
|
---|
1207 | pCodeBuf[off++] = Armv8A64MkInstrOrr(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1208 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue,
|
---|
1209 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1210 | }
|
---|
1211 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData))
|
---|
1212 | {
|
---|
1213 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1214 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1215 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1216 | if (idxTmpMask == UINT8_MAX)
|
---|
1217 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1218 | else
|
---|
1219 | pCodeBuf[off++] = Armv8A64MkInstrOrr(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1220 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1221 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1222 | }
|
---|
1223 | else
|
---|
1224 | {
|
---|
1225 | /* The offset is too large, so we must load it into a register and use
|
---|
1226 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. We'll try use the 'LSL, #2' feature
|
---|
1227 | of the instruction if that'll reduce the constant to 16-bits. */
|
---|
1228 | uint8_t const idxTmpIndex = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1229 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
1230 | bool const fShifted = offVCpu / cbData < (unsigned)UINT16_MAX;
|
---|
1231 | if (fShifted)
|
---|
1232 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmpIndex, offVCpu / cbData);
|
---|
1233 | else
|
---|
1234 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmpIndex, offVCpu);
|
---|
1235 |
|
---|
1236 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1237 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1238 |
|
---|
1239 | if (idxTmpMask == UINT8_MAX)
|
---|
1240 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1241 | else
|
---|
1242 | pCodeBuf[off++] = Armv8A64MkInstrOrr(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1243 |
|
---|
1244 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1245 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1246 | iemNativeRegFreeTmp(pReNative, idxTmpIndex);
|
---|
1247 | }
|
---|
1248 | iemNativeRegFreeTmp(pReNative, idxTmpValue);
|
---|
1249 | if (idxTmpMask != UINT8_MAX)
|
---|
1250 | iemNativeRegFreeTmp(pReNative, idxTmpMask);
|
---|
1251 |
|
---|
1252 | #else
|
---|
1253 | # error "port me"
|
---|
1254 | #endif
|
---|
1255 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1256 | return off;
|
---|
1257 | }
|
---|
1258 |
|
---|
1259 |
|
---|
1260 | /**
|
---|
1261 | * Emits code for AND'ing a bitmask into a 32-bit VMCPU member.
|
---|
1262 | *
|
---|
1263 | * @note May allocate temporary registers (not AMD64).
|
---|
1264 | */
|
---|
1265 | DECL_FORCE_INLINE(uint32_t)
|
---|
1266 | iemNativeEmitAndImmIntoVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t fMask, uint32_t offVCpu)
|
---|
1267 | {
|
---|
1268 | Assert(!(offVCpu & 3)); /* ASSUME correctly aligned member. */
|
---|
1269 | #ifdef RT_ARCH_AMD64
|
---|
1270 | /* and dword [pVCpu + offVCpu], imm8/32 */
|
---|
1271 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 10);
|
---|
1272 | if (fMask < 0x80)
|
---|
1273 | {
|
---|
1274 | pCodeBuf[off++] = 0x83;
|
---|
1275 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 4, offVCpu);
|
---|
1276 | pCodeBuf[off++] = (uint8_t)fMask;
|
---|
1277 | }
|
---|
1278 | else
|
---|
1279 | {
|
---|
1280 | pCodeBuf[off++] = 0x81;
|
---|
1281 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 4, offVCpu);
|
---|
1282 | pCodeBuf[off++] = RT_BYTE1(fMask);
|
---|
1283 | pCodeBuf[off++] = RT_BYTE2(fMask);
|
---|
1284 | pCodeBuf[off++] = RT_BYTE3(fMask);
|
---|
1285 | pCodeBuf[off++] = RT_BYTE4(fMask);
|
---|
1286 | }
|
---|
1287 |
|
---|
1288 | #elif defined(RT_ARCH_ARM64)
|
---|
1289 | /* If the constant is unwieldy we'll need a register to hold it as well. */
|
---|
1290 | uint32_t uImmSizeLen, uImmRotate;
|
---|
1291 | uint8_t const idxTmpMask = Armv8A64ConvertMask32ToImmRImmS(fMask, &uImmSizeLen, &uImmRotate) ? UINT8_MAX
|
---|
1292 | : iemNativeRegAllocTmpImm(pReNative, &off, fMask);
|
---|
1293 |
|
---|
1294 | /* We need a temp register for holding the member value we're modifying. */
|
---|
1295 | uint8_t const idxTmpValue = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1296 |
|
---|
1297 | /* Determine how we're to access pVCpu first. */
|
---|
1298 | uint32_t const cbData = sizeof(uint32_t);
|
---|
1299 | if (offVCpu < (unsigned)(_4K * cbData))
|
---|
1300 | {
|
---|
1301 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1302 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1303 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue,
|
---|
1304 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1305 | if (idxTmpMask == UINT8_MAX)
|
---|
1306 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1307 | else
|
---|
1308 | pCodeBuf[off++] = Armv8A64MkInstrAnd(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1309 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue,
|
---|
1310 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1311 | }
|
---|
1312 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData))
|
---|
1313 | {
|
---|
1314 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1315 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1316 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1317 | if (idxTmpMask == UINT8_MAX)
|
---|
1318 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1319 | else
|
---|
1320 | pCodeBuf[off++] = Armv8A64MkInstrAnd(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1321 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1322 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1323 | }
|
---|
1324 | else
|
---|
1325 | {
|
---|
1326 | /* The offset is too large, so we must load it into a register and use
|
---|
1327 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. We'll try use the 'LSL, #2' feature
|
---|
1328 | of the instruction if that'll reduce the constant to 16-bits. */
|
---|
1329 | uint8_t const idxTmpIndex = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1330 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
1331 | bool const fShifted = offVCpu / cbData < (unsigned)UINT16_MAX;
|
---|
1332 | if (fShifted)
|
---|
1333 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmpIndex, offVCpu / cbData);
|
---|
1334 | else
|
---|
1335 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmpIndex, offVCpu);
|
---|
1336 |
|
---|
1337 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1338 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1339 |
|
---|
1340 | if (idxTmpMask == UINT8_MAX)
|
---|
1341 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1342 | else
|
---|
1343 | pCodeBuf[off++] = Armv8A64MkInstrAnd(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1344 |
|
---|
1345 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1346 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1347 | iemNativeRegFreeTmp(pReNative, idxTmpIndex);
|
---|
1348 | }
|
---|
1349 | iemNativeRegFreeTmp(pReNative, idxTmpValue);
|
---|
1350 | if (idxTmpMask != UINT8_MAX)
|
---|
1351 | iemNativeRegFreeTmp(pReNative, idxTmpMask);
|
---|
1352 |
|
---|
1353 | #else
|
---|
1354 | # error "port me"
|
---|
1355 | #endif
|
---|
1356 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1357 | return off;
|
---|
1358 | }
|
---|
1359 |
|
---|
1360 |
|
---|
1361 | /**
|
---|
1362 | * Emits a gprdst = gprsrc load.
|
---|
1363 | */
|
---|
1364 | DECL_FORCE_INLINE(uint32_t)
|
---|
1365 | iemNativeEmitLoadGprFromGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1366 | {
|
---|
1367 | #ifdef RT_ARCH_AMD64
|
---|
1368 | /* mov gprdst, gprsrc */
|
---|
1369 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1370 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W | X86_OP_REX_B
|
---|
1371 | : iGprSrc >= 8 ? X86_OP_REX_W | X86_OP_REX_R | X86_OP_REX_B
|
---|
1372 | : X86_OP_REX_W | X86_OP_REX_R;
|
---|
1373 | else
|
---|
1374 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
1375 | pCodeBuf[off++] = 0x8b;
|
---|
1376 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1377 |
|
---|
1378 | #elif defined(RT_ARCH_ARM64)
|
---|
1379 | /* mov dst, src; alias for: orr dst, xzr, src */
|
---|
1380 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, ARMV8_A64_REG_XZR, iGprSrc);
|
---|
1381 |
|
---|
1382 | #else
|
---|
1383 | # error "port me"
|
---|
1384 | #endif
|
---|
1385 | return off;
|
---|
1386 | }
|
---|
1387 |
|
---|
1388 |
|
---|
1389 | /**
|
---|
1390 | * Emits a gprdst = gprsrc load.
|
---|
1391 | */
|
---|
1392 | DECL_INLINE_THROW(uint32_t)
|
---|
1393 | iemNativeEmitLoadGprFromGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1394 | {
|
---|
1395 | #ifdef RT_ARCH_AMD64
|
---|
1396 | off = iemNativeEmitLoadGprFromGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
1397 | #elif defined(RT_ARCH_ARM64)
|
---|
1398 | off = iemNativeEmitLoadGprFromGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1399 | #else
|
---|
1400 | # error "port me"
|
---|
1401 | #endif
|
---|
1402 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1403 | return off;
|
---|
1404 | }
|
---|
1405 |
|
---|
1406 |
|
---|
1407 | /**
|
---|
1408 | * Emits a gprdst = gprsrc[31:0] load.
|
---|
1409 | * @note Bits 63 thru 32 are cleared.
|
---|
1410 | */
|
---|
1411 | DECL_FORCE_INLINE(uint32_t)
|
---|
1412 | iemNativeEmitLoadGprFromGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1413 | {
|
---|
1414 | #ifdef RT_ARCH_AMD64
|
---|
1415 | /* mov gprdst, gprsrc */
|
---|
1416 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1417 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1418 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1419 | : X86_OP_REX_R;
|
---|
1420 | pCodeBuf[off++] = 0x8b;
|
---|
1421 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1422 |
|
---|
1423 | #elif defined(RT_ARCH_ARM64)
|
---|
1424 | /* mov dst32, src32; alias for: orr dst32, wzr, src32 */
|
---|
1425 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, ARMV8_A64_REG_WZR, iGprSrc, false /*f64bit*/);
|
---|
1426 |
|
---|
1427 | #else
|
---|
1428 | # error "port me"
|
---|
1429 | #endif
|
---|
1430 | return off;
|
---|
1431 | }
|
---|
1432 |
|
---|
1433 |
|
---|
1434 | /**
|
---|
1435 | * Emits a gprdst = gprsrc[31:0] load.
|
---|
1436 | * @note Bits 63 thru 32 are cleared.
|
---|
1437 | */
|
---|
1438 | DECL_INLINE_THROW(uint32_t)
|
---|
1439 | iemNativeEmitLoadGprFromGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1440 | {
|
---|
1441 | #ifdef RT_ARCH_AMD64
|
---|
1442 | off = iemNativeEmitLoadGprFromGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
1443 | #elif defined(RT_ARCH_ARM64)
|
---|
1444 | off = iemNativeEmitLoadGprFromGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1445 | #else
|
---|
1446 | # error "port me"
|
---|
1447 | #endif
|
---|
1448 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1449 | return off;
|
---|
1450 | }
|
---|
1451 |
|
---|
1452 |
|
---|
1453 | /**
|
---|
1454 | * Emits a gprdst = gprsrc[15:0] load.
|
---|
1455 | * @note Bits 63 thru 15 are cleared.
|
---|
1456 | */
|
---|
1457 | DECL_INLINE_THROW(uint32_t)
|
---|
1458 | iemNativeEmitLoadGprFromGpr16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1459 | {
|
---|
1460 | #ifdef RT_ARCH_AMD64
|
---|
1461 | /* movzx Gv,Ew */
|
---|
1462 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1463 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1464 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1465 | : X86_OP_REX_R;
|
---|
1466 | pCodeBuf[off++] = 0x0f;
|
---|
1467 | pCodeBuf[off++] = 0xb7;
|
---|
1468 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1469 |
|
---|
1470 | #elif defined(RT_ARCH_ARM64)
|
---|
1471 | /* and gprdst, gprsrc, #0xffff */
|
---|
1472 | # if 1
|
---|
1473 | Assert(Armv8A64ConvertImmRImmS2Mask32(0x0f, 0) == UINT16_MAX);
|
---|
1474 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, 0x0f, 0, false /*f64Bit*/);
|
---|
1475 | # else
|
---|
1476 | Assert(Armv8A64ConvertImmRImmS2Mask64(0x4f, 0) == UINT16_MAX);
|
---|
1477 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, 0x4f, 0);
|
---|
1478 | # endif
|
---|
1479 |
|
---|
1480 | #else
|
---|
1481 | # error "port me"
|
---|
1482 | #endif
|
---|
1483 | return off;
|
---|
1484 | }
|
---|
1485 |
|
---|
1486 |
|
---|
1487 | /**
|
---|
1488 | * Emits a gprdst = gprsrc[15:0] load.
|
---|
1489 | * @note Bits 63 thru 15 are cleared.
|
---|
1490 | */
|
---|
1491 | DECL_INLINE_THROW(uint32_t)
|
---|
1492 | iemNativeEmitLoadGprFromGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1493 | {
|
---|
1494 | #ifdef RT_ARCH_AMD64
|
---|
1495 | off = iemNativeEmitLoadGprFromGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iGprSrc);
|
---|
1496 | #elif defined(RT_ARCH_ARM64)
|
---|
1497 | off = iemNativeEmitLoadGprFromGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1498 | #else
|
---|
1499 | # error "port me"
|
---|
1500 | #endif
|
---|
1501 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1502 | return off;
|
---|
1503 | }
|
---|
1504 |
|
---|
1505 |
|
---|
1506 | /**
|
---|
1507 | * Emits a gprdst = gprsrc[7:0] load.
|
---|
1508 | * @note Bits 63 thru 8 are cleared.
|
---|
1509 | */
|
---|
1510 | DECL_FORCE_INLINE(uint32_t)
|
---|
1511 | iemNativeEmitLoadGprFromGpr8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1512 | {
|
---|
1513 | #ifdef RT_ARCH_AMD64
|
---|
1514 | /* movzx Gv,Eb */
|
---|
1515 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1516 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1517 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1518 | : X86_OP_REX_R;
|
---|
1519 | else if (iGprSrc >= 4)
|
---|
1520 | pCodeBuf[off++] = X86_OP_REX;
|
---|
1521 | pCodeBuf[off++] = 0x0f;
|
---|
1522 | pCodeBuf[off++] = 0xb6;
|
---|
1523 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1524 |
|
---|
1525 | #elif defined(RT_ARCH_ARM64)
|
---|
1526 | /* and gprdst, gprsrc, #0xff */
|
---|
1527 | Assert(Armv8A64ConvertImmRImmS2Mask32(0x07, 0) == UINT8_MAX);
|
---|
1528 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, 0x07, 0, false /*f64Bit*/);
|
---|
1529 |
|
---|
1530 | #else
|
---|
1531 | # error "port me"
|
---|
1532 | #endif
|
---|
1533 | return off;
|
---|
1534 | }
|
---|
1535 |
|
---|
1536 |
|
---|
1537 | /**
|
---|
1538 | * Emits a gprdst = gprsrc[7:0] load.
|
---|
1539 | * @note Bits 63 thru 8 are cleared.
|
---|
1540 | */
|
---|
1541 | DECL_INLINE_THROW(uint32_t)
|
---|
1542 | iemNativeEmitLoadGprFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1543 | {
|
---|
1544 | #ifdef RT_ARCH_AMD64
|
---|
1545 | off = iemNativeEmitLoadGprFromGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iGprSrc);
|
---|
1546 | #elif defined(RT_ARCH_ARM64)
|
---|
1547 | off = iemNativeEmitLoadGprFromGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1548 | #else
|
---|
1549 | # error "port me"
|
---|
1550 | #endif
|
---|
1551 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1552 | return off;
|
---|
1553 | }
|
---|
1554 |
|
---|
1555 |
|
---|
1556 | /**
|
---|
1557 | * Emits a gprdst = gprsrc[15:8] load (ah, ch, dh, bh).
|
---|
1558 | * @note Bits 63 thru 8 are cleared.
|
---|
1559 | */
|
---|
1560 | DECL_INLINE_THROW(uint32_t)
|
---|
1561 | iemNativeEmitLoadGprFromGpr8Hi(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1562 | {
|
---|
1563 | #ifdef RT_ARCH_AMD64
|
---|
1564 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
1565 |
|
---|
1566 | /* movzx Gv,Ew */
|
---|
1567 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1568 | pbCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1569 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1570 | : X86_OP_REX_R;
|
---|
1571 | pbCodeBuf[off++] = 0x0f;
|
---|
1572 | pbCodeBuf[off++] = 0xb7;
|
---|
1573 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1574 |
|
---|
1575 | /* shr Ev,8 */
|
---|
1576 | if (iGprDst >= 8)
|
---|
1577 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
1578 | pbCodeBuf[off++] = 0xc1;
|
---|
1579 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
1580 | pbCodeBuf[off++] = 8;
|
---|
1581 |
|
---|
1582 | #elif defined(RT_ARCH_ARM64)
|
---|
1583 | /* ubfx gprdst, gprsrc, #8, #8 - gprdst = gprsrc[15:8] */
|
---|
1584 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1585 | pu32CodeBuf[off++] = Armv8A64MkInstrUbfx(iGprDst, iGprSrc, 8, 8, false /*f64Bit*/);
|
---|
1586 |
|
---|
1587 | #else
|
---|
1588 | # error "port me"
|
---|
1589 | #endif
|
---|
1590 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1591 | return off;
|
---|
1592 | }
|
---|
1593 |
|
---|
1594 |
|
---|
1595 | /**
|
---|
1596 | * Sign-extends 32-bit value in @a iGprSrc into a 64-bit value in @a iGprDst.
|
---|
1597 | */
|
---|
1598 | DECL_INLINE_THROW(uint32_t)
|
---|
1599 | iemNativeEmitLoadGprSignExtendedFromGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1600 | {
|
---|
1601 | #ifdef RT_ARCH_AMD64
|
---|
1602 | /* movsxd r64, r/m32 */
|
---|
1603 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1604 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1605 | pbCodeBuf[off++] = 0x63;
|
---|
1606 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1607 |
|
---|
1608 | #elif defined(RT_ARCH_ARM64)
|
---|
1609 | /* sxtw dst, src */
|
---|
1610 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1611 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtw(iGprDst, iGprSrc);
|
---|
1612 |
|
---|
1613 | #else
|
---|
1614 | # error "port me"
|
---|
1615 | #endif
|
---|
1616 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1617 | return off;
|
---|
1618 | }
|
---|
1619 |
|
---|
1620 |
|
---|
1621 | /**
|
---|
1622 | * Sign-extends 16-bit value in @a iGprSrc into a 64-bit value in @a iGprDst.
|
---|
1623 | */
|
---|
1624 | DECL_INLINE_THROW(uint32_t)
|
---|
1625 | iemNativeEmitLoadGprSignExtendedFromGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1626 | {
|
---|
1627 | #ifdef RT_ARCH_AMD64
|
---|
1628 | /* movsx r64, r/m16 */
|
---|
1629 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1630 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1631 | pbCodeBuf[off++] = 0x0f;
|
---|
1632 | pbCodeBuf[off++] = 0xbf;
|
---|
1633 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1634 |
|
---|
1635 | #elif defined(RT_ARCH_ARM64)
|
---|
1636 | /* sxth dst, src */
|
---|
1637 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1638 | pu32CodeBuf[off++] = Armv8A64MkInstrSxth(iGprDst, iGprSrc);
|
---|
1639 |
|
---|
1640 | #else
|
---|
1641 | # error "port me"
|
---|
1642 | #endif
|
---|
1643 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1644 | return off;
|
---|
1645 | }
|
---|
1646 |
|
---|
1647 |
|
---|
1648 | /**
|
---|
1649 | * Sign-extends 16-bit value in @a iGprSrc into a 32-bit value in @a iGprDst.
|
---|
1650 | */
|
---|
1651 | DECL_INLINE_THROW(uint32_t)
|
---|
1652 | iemNativeEmitLoadGpr32SignExtendedFromGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1653 | {
|
---|
1654 | #ifdef RT_ARCH_AMD64
|
---|
1655 | /* movsx r64, r/m16 */
|
---|
1656 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1657 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1658 | pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1659 | pbCodeBuf[off++] = 0x0f;
|
---|
1660 | pbCodeBuf[off++] = 0xbf;
|
---|
1661 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1662 |
|
---|
1663 | #elif defined(RT_ARCH_ARM64)
|
---|
1664 | /* sxth dst32, src */
|
---|
1665 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1666 | pu32CodeBuf[off++] = Armv8A64MkInstrSxth(iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
1667 |
|
---|
1668 | #else
|
---|
1669 | # error "port me"
|
---|
1670 | #endif
|
---|
1671 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1672 | return off;
|
---|
1673 | }
|
---|
1674 |
|
---|
1675 |
|
---|
1676 | /**
|
---|
1677 | * Sign-extends 8-bit value in @a iGprSrc into a 64-bit value in @a iGprDst.
|
---|
1678 | */
|
---|
1679 | DECL_INLINE_THROW(uint32_t)
|
---|
1680 | iemNativeEmitLoadGprSignExtendedFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1681 | {
|
---|
1682 | #ifdef RT_ARCH_AMD64
|
---|
1683 | /* movsx r64, r/m8 */
|
---|
1684 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1685 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1686 | pbCodeBuf[off++] = 0x0f;
|
---|
1687 | pbCodeBuf[off++] = 0xbe;
|
---|
1688 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1689 |
|
---|
1690 | #elif defined(RT_ARCH_ARM64)
|
---|
1691 | /* sxtb dst, src */
|
---|
1692 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1693 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtb(iGprDst, iGprSrc);
|
---|
1694 |
|
---|
1695 | #else
|
---|
1696 | # error "port me"
|
---|
1697 | #endif
|
---|
1698 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1699 | return off;
|
---|
1700 | }
|
---|
1701 |
|
---|
1702 |
|
---|
1703 | /**
|
---|
1704 | * Sign-extends 8-bit value in @a iGprSrc into a 32-bit value in @a iGprDst.
|
---|
1705 | * @note Bits 63 thru 32 are cleared.
|
---|
1706 | */
|
---|
1707 | DECL_INLINE_THROW(uint32_t)
|
---|
1708 | iemNativeEmitLoadGpr32SignExtendedFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1709 | {
|
---|
1710 | #ifdef RT_ARCH_AMD64
|
---|
1711 | /* movsx r32, r/m8 */
|
---|
1712 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1713 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1714 | pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1715 | else if (iGprSrc >= 4)
|
---|
1716 | pbCodeBuf[off++] = X86_OP_REX;
|
---|
1717 | pbCodeBuf[off++] = 0x0f;
|
---|
1718 | pbCodeBuf[off++] = 0xbe;
|
---|
1719 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1720 |
|
---|
1721 | #elif defined(RT_ARCH_ARM64)
|
---|
1722 | /* sxtb dst32, src32 */
|
---|
1723 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1724 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtb(iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
1725 |
|
---|
1726 | #else
|
---|
1727 | # error "port me"
|
---|
1728 | #endif
|
---|
1729 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1730 | return off;
|
---|
1731 | }
|
---|
1732 |
|
---|
1733 |
|
---|
1734 | /**
|
---|
1735 | * Sign-extends 8-bit value in @a iGprSrc into a 16-bit value in @a iGprDst.
|
---|
1736 | * @note Bits 63 thru 16 are cleared.
|
---|
1737 | */
|
---|
1738 | DECL_INLINE_THROW(uint32_t)
|
---|
1739 | iemNativeEmitLoadGpr16SignExtendedFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1740 | {
|
---|
1741 | #ifdef RT_ARCH_AMD64
|
---|
1742 | /* movsx r16, r/m8 */
|
---|
1743 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 9);
|
---|
1744 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
1745 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1746 | pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1747 | else if (iGprSrc >= 4)
|
---|
1748 | pbCodeBuf[off++] = X86_OP_REX;
|
---|
1749 | pbCodeBuf[off++] = 0x0f;
|
---|
1750 | pbCodeBuf[off++] = 0xbe;
|
---|
1751 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1752 |
|
---|
1753 | /* movzx r32, r/m16 */
|
---|
1754 | if (iGprDst >= 8)
|
---|
1755 | pbCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
1756 | pbCodeBuf[off++] = 0x0f;
|
---|
1757 | pbCodeBuf[off++] = 0xb7;
|
---|
1758 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprDst & 7);
|
---|
1759 |
|
---|
1760 | #elif defined(RT_ARCH_ARM64)
|
---|
1761 | /* sxtb dst32, src32; and dst32, dst32, #0xffff */
|
---|
1762 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
1763 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtb(iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
1764 | Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
|
---|
1765 | pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*f64Bit*/);
|
---|
1766 |
|
---|
1767 | #else
|
---|
1768 | # error "port me"
|
---|
1769 | #endif
|
---|
1770 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1771 | return off;
|
---|
1772 | }
|
---|
1773 |
|
---|
1774 |
|
---|
1775 | /**
|
---|
1776 | * Emits a gprdst = gprsrc + addend load.
|
---|
1777 | * @note The added is 32-bit for AMD64 and 64-bit for ARM64.
|
---|
1778 | */
|
---|
1779 | #ifdef RT_ARCH_AMD64
|
---|
1780 | DECL_INLINE_THROW(uint32_t)
|
---|
1781 | iemNativeEmitLoadGprFromGprWithAddend(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1782 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1783 | {
|
---|
1784 | Assert(iAddend != 0);
|
---|
1785 |
|
---|
1786 | /* lea gprdst, [gprsrc + iAddend] */
|
---|
1787 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
1788 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst >= 8 ? X86_OP_REX_R : 0) | (iGprSrc >= 8 ? X86_OP_REX_B : 0);
|
---|
1789 | pbCodeBuf[off++] = 0x8d;
|
---|
1790 | off = iemNativeEmitGprByGprDisp(pbCodeBuf, off, iGprDst, iGprSrc, iAddend);
|
---|
1791 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1792 | return off;
|
---|
1793 | }
|
---|
1794 |
|
---|
1795 | #elif defined(RT_ARCH_ARM64)
|
---|
1796 | DECL_INLINE_THROW(uint32_t)
|
---|
1797 | iemNativeEmitLoadGprFromGprWithAddend(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1798 | uint8_t iGprDst, uint8_t iGprSrc, int64_t iAddend)
|
---|
1799 | {
|
---|
1800 | if ((uint32_t)iAddend < 4096)
|
---|
1801 | {
|
---|
1802 | /* add dst, src, uimm12 */
|
---|
1803 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1804 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprSrc, (uint32_t)iAddend);
|
---|
1805 | }
|
---|
1806 | else if ((uint32_t)-iAddend < 4096)
|
---|
1807 | {
|
---|
1808 | /* sub dst, src, uimm12 */
|
---|
1809 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1810 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprSrc, (uint32_t)-iAddend);
|
---|
1811 | }
|
---|
1812 | else
|
---|
1813 | {
|
---|
1814 | Assert(iGprSrc != iGprDst);
|
---|
1815 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, iAddend);
|
---|
1816 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1817 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprSrc, iGprDst);
|
---|
1818 | }
|
---|
1819 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1820 | return off;
|
---|
1821 | }
|
---|
1822 | #else
|
---|
1823 | # error "port me"
|
---|
1824 | #endif
|
---|
1825 |
|
---|
1826 | /**
|
---|
1827 | * Emits a gprdst = gprsrc + addend load, accepting iAddend == 0.
|
---|
1828 | * @note The added is 32-bit for AMD64 and 64-bit for ARM64.
|
---|
1829 | */
|
---|
1830 | #ifdef RT_ARCH_AMD64
|
---|
1831 | DECL_INLINE_THROW(uint32_t)
|
---|
1832 | iemNativeEmitLoadGprFromGprWithAddendMaybeZero(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1833 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1834 | #else
|
---|
1835 | DECL_INLINE_THROW(uint32_t)
|
---|
1836 | iemNativeEmitLoadGprFromGprWithAddendMaybeZero(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1837 | uint8_t iGprDst, uint8_t iGprSrc, int64_t iAddend)
|
---|
1838 | #endif
|
---|
1839 | {
|
---|
1840 | if (iAddend != 0)
|
---|
1841 | return iemNativeEmitLoadGprFromGprWithAddend(pReNative, off, iGprDst, iGprSrc, iAddend);
|
---|
1842 | return iemNativeEmitLoadGprFromGpr(pReNative, off, iGprDst, iGprSrc);
|
---|
1843 | }
|
---|
1844 |
|
---|
1845 |
|
---|
1846 | /**
|
---|
1847 | * Emits a gprdst = gprsrc32 + addend load.
|
---|
1848 | * @note Bits 63 thru 32 are cleared.
|
---|
1849 | */
|
---|
1850 | DECL_INLINE_THROW(uint32_t)
|
---|
1851 | iemNativeEmitLoadGprFromGpr32WithAddend(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1852 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1853 | {
|
---|
1854 | Assert(iAddend != 0);
|
---|
1855 |
|
---|
1856 | #ifdef RT_ARCH_AMD64
|
---|
1857 | /* a32 o32 lea gprdst, [gprsrc + iAddend] */
|
---|
1858 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 9);
|
---|
1859 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_ADDR;
|
---|
1860 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1861 | pbCodeBuf[off++] = (iGprDst >= 8 ? X86_OP_REX_R : 0) | (iGprSrc >= 8 ? X86_OP_REX_B : 0);
|
---|
1862 | pbCodeBuf[off++] = 0x8d;
|
---|
1863 | off = iemNativeEmitGprByGprDisp(pbCodeBuf, off, iGprDst, iGprSrc, iAddend);
|
---|
1864 |
|
---|
1865 | #elif defined(RT_ARCH_ARM64)
|
---|
1866 | if ((uint32_t)iAddend < 4096)
|
---|
1867 | {
|
---|
1868 | /* add dst, src, uimm12 */
|
---|
1869 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1870 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprSrc, (uint32_t)iAddend, false /*f64Bit*/);
|
---|
1871 | }
|
---|
1872 | else if ((uint32_t)-iAddend < 4096)
|
---|
1873 | {
|
---|
1874 | /* sub dst, src, uimm12 */
|
---|
1875 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1876 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprSrc, (uint32_t)-iAddend, false /*f64Bit*/);
|
---|
1877 | }
|
---|
1878 | else
|
---|
1879 | {
|
---|
1880 | Assert(iGprSrc != iGprDst);
|
---|
1881 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, (int64_t)iAddend);
|
---|
1882 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1883 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprSrc, iGprDst, false /*f64Bit*/);
|
---|
1884 | }
|
---|
1885 |
|
---|
1886 | #else
|
---|
1887 | # error "port me"
|
---|
1888 | #endif
|
---|
1889 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1890 | return off;
|
---|
1891 | }
|
---|
1892 |
|
---|
1893 |
|
---|
1894 | /**
|
---|
1895 | * Emits a gprdst = gprsrc32 + addend load, accepting iAddend == 0.
|
---|
1896 | */
|
---|
1897 | DECL_INLINE_THROW(uint32_t)
|
---|
1898 | iemNativeEmitLoadGprFromGpr32WithAddendMaybeZero(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1899 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1900 | {
|
---|
1901 | if (iAddend != 0)
|
---|
1902 | return iemNativeEmitLoadGprFromGpr32WithAddend(pReNative, off, iGprDst, iGprSrc, iAddend);
|
---|
1903 | return iemNativeEmitLoadGprFromGpr32(pReNative, off, iGprDst, iGprSrc);
|
---|
1904 | }
|
---|
1905 |
|
---|
1906 |
|
---|
1907 | /**
|
---|
1908 | * Emits a gprdst[15:0] = gprsrc[15:0], preserving all other bits in the
|
---|
1909 | * destination.
|
---|
1910 | */
|
---|
1911 | DECL_FORCE_INLINE(uint32_t)
|
---|
1912 | iemNativeEmitGprMergeInGpr16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t idxDst, uint8_t idxSrc)
|
---|
1913 | {
|
---|
1914 | #ifdef RT_ARCH_AMD64
|
---|
1915 | /* mov reg16, r/m16 */
|
---|
1916 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
1917 | if (idxDst >= 8 || idxSrc >= 8)
|
---|
1918 | pCodeBuf[off++] = (idxDst < 8 ? 0 : X86_OP_REX_R) | (idxSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1919 | pCodeBuf[off++] = 0x8b;
|
---|
1920 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, idxDst & 7, idxSrc & 7);
|
---|
1921 |
|
---|
1922 | #elif defined(RT_ARCH_ARM64)
|
---|
1923 | /* bfi w1, w2, 0, 16 - moves bits 15:0 from idxSrc to idxDst bits 15:0. */
|
---|
1924 | pCodeBuf[off++] = Armv8A64MkInstrBfi(idxDst, idxSrc, 0, 16);
|
---|
1925 |
|
---|
1926 | #else
|
---|
1927 | # error "Port me!"
|
---|
1928 | #endif
|
---|
1929 | return off;
|
---|
1930 | }
|
---|
1931 |
|
---|
1932 |
|
---|
1933 | /**
|
---|
1934 | * Emits a gprdst[15:0] = gprsrc[15:0], preserving all other bits in the
|
---|
1935 | * destination.
|
---|
1936 | */
|
---|
1937 | DECL_INLINE_THROW(uint32_t)
|
---|
1938 | iemNativeEmitGprMergeInGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxDst, uint8_t idxSrc)
|
---|
1939 | {
|
---|
1940 | #ifdef RT_ARCH_AMD64
|
---|
1941 | off = iemNativeEmitGprMergeInGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, idxDst, idxSrc);
|
---|
1942 | #elif defined(RT_ARCH_ARM64)
|
---|
1943 | off = iemNativeEmitGprMergeInGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, idxDst, idxSrc);
|
---|
1944 | #else
|
---|
1945 | # error "Port me!"
|
---|
1946 | #endif
|
---|
1947 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1948 | return off;
|
---|
1949 | }
|
---|
1950 |
|
---|
1951 |
|
---|
1952 | #ifdef RT_ARCH_AMD64
|
---|
1953 | /**
|
---|
1954 | * Common bit of iemNativeEmitLoadGprByBp and friends.
|
---|
1955 | */
|
---|
1956 | DECL_FORCE_INLINE(uint32_t) iemNativeEmitGprByBpDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, int32_t offDisp,
|
---|
1957 | PIEMRECOMPILERSTATE pReNativeAssert)
|
---|
1958 | {
|
---|
1959 | if (offDisp < 128 && offDisp >= -128)
|
---|
1960 | {
|
---|
1961 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, X86_GREG_xBP);
|
---|
1962 | pbCodeBuf[off++] = (uint8_t)(int8_t)offDisp;
|
---|
1963 | }
|
---|
1964 | else
|
---|
1965 | {
|
---|
1966 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, X86_GREG_xBP);
|
---|
1967 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
1968 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
1969 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
1970 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
1971 | }
|
---|
1972 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNativeAssert, off); RT_NOREF(pReNativeAssert);
|
---|
1973 | return off;
|
---|
1974 | }
|
---|
1975 | #elif defined(RT_ARCH_ARM64)
|
---|
1976 | /**
|
---|
1977 | * Common bit of iemNativeEmitLoadGprByBp and friends.
|
---|
1978 | */
|
---|
1979 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
1980 | iemNativeEmitGprByBpLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprReg,
|
---|
1981 | int32_t offDisp, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
1982 | {
|
---|
1983 | if ((uint32_t)offDisp < 4096U * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
1984 | {
|
---|
1985 | /* str w/ unsigned imm12 (scaled) */
|
---|
1986 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1987 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, ARMV8_A64_REG_BP, (uint32_t)offDisp / cbData);
|
---|
1988 | }
|
---|
1989 | else if (offDisp >= -256 && offDisp <= 256)
|
---|
1990 | {
|
---|
1991 | /* stur w/ signed imm9 (unscaled) */
|
---|
1992 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1993 | pu32CodeBuf[off++] = Armv8A64MkInstrSturLdur(enmOperation, iGprReg, ARMV8_A64_REG_BP, offDisp);
|
---|
1994 | }
|
---|
1995 | else
|
---|
1996 | {
|
---|
1997 | /* Use temporary indexing register. */
|
---|
1998 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, (uint32_t)offDisp);
|
---|
1999 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2000 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, ARMV8_A64_REG_BP,
|
---|
2001 | IEMNATIVE_REG_FIXED_TMP0, kArmv8A64InstrLdStExtend_Sxtw);
|
---|
2002 | }
|
---|
2003 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2004 | return off;
|
---|
2005 | }
|
---|
2006 | #endif
|
---|
2007 |
|
---|
2008 |
|
---|
2009 | /**
|
---|
2010 | * Emits a 64-bit GRP load instruction with an BP relative source address.
|
---|
2011 | */
|
---|
2012 | DECL_INLINE_THROW(uint32_t)
|
---|
2013 | iemNativeEmitLoadGprByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2014 | {
|
---|
2015 | #ifdef RT_ARCH_AMD64
|
---|
2016 | /* mov gprdst, qword [rbp + offDisp] */
|
---|
2017 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2018 | if (iGprDst < 8)
|
---|
2019 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2020 | else
|
---|
2021 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
2022 | pbCodeBuf[off++] = 0x8b;
|
---|
2023 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2024 |
|
---|
2025 | #elif defined(RT_ARCH_ARM64)
|
---|
2026 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
2027 |
|
---|
2028 | #else
|
---|
2029 | # error "port me"
|
---|
2030 | #endif
|
---|
2031 | }
|
---|
2032 |
|
---|
2033 |
|
---|
2034 | /**
|
---|
2035 | * Emits a 32-bit GRP load instruction with an BP relative source address.
|
---|
2036 | * @note Bits 63 thru 32 of the GPR will be cleared.
|
---|
2037 | */
|
---|
2038 | DECL_INLINE_THROW(uint32_t)
|
---|
2039 | iemNativeEmitLoadGprByBpU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2040 | {
|
---|
2041 | #ifdef RT_ARCH_AMD64
|
---|
2042 | /* mov gprdst, dword [rbp + offDisp] */
|
---|
2043 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2044 | if (iGprDst >= 8)
|
---|
2045 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2046 | pbCodeBuf[off++] = 0x8b;
|
---|
2047 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2048 |
|
---|
2049 | #elif defined(RT_ARCH_ARM64)
|
---|
2050 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t));
|
---|
2051 |
|
---|
2052 | #else
|
---|
2053 | # error "port me"
|
---|
2054 | #endif
|
---|
2055 | }
|
---|
2056 |
|
---|
2057 |
|
---|
2058 | /**
|
---|
2059 | * Emits a 16-bit GRP load instruction with an BP relative source address.
|
---|
2060 | * @note Bits 63 thru 16 of the GPR will be cleared.
|
---|
2061 | */
|
---|
2062 | DECL_INLINE_THROW(uint32_t)
|
---|
2063 | iemNativeEmitLoadGprByBpU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2064 | {
|
---|
2065 | #ifdef RT_ARCH_AMD64
|
---|
2066 | /* movzx gprdst, word [rbp + offDisp] */
|
---|
2067 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2068 | if (iGprDst >= 8)
|
---|
2069 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2070 | pbCodeBuf[off++] = 0x0f;
|
---|
2071 | pbCodeBuf[off++] = 0xb7;
|
---|
2072 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2073 |
|
---|
2074 | #elif defined(RT_ARCH_ARM64)
|
---|
2075 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Half, sizeof(uint32_t));
|
---|
2076 |
|
---|
2077 | #else
|
---|
2078 | # error "port me"
|
---|
2079 | #endif
|
---|
2080 | }
|
---|
2081 |
|
---|
2082 |
|
---|
2083 | /**
|
---|
2084 | * Emits a 8-bit GRP load instruction with an BP relative source address.
|
---|
2085 | * @note Bits 63 thru 8 of the GPR will be cleared.
|
---|
2086 | */
|
---|
2087 | DECL_INLINE_THROW(uint32_t)
|
---|
2088 | iemNativeEmitLoadGprByBpU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2089 | {
|
---|
2090 | #ifdef RT_ARCH_AMD64
|
---|
2091 | /* movzx gprdst, byte [rbp + offDisp] */
|
---|
2092 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2093 | if (iGprDst >= 8)
|
---|
2094 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2095 | pbCodeBuf[off++] = 0x0f;
|
---|
2096 | pbCodeBuf[off++] = 0xb6;
|
---|
2097 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2098 |
|
---|
2099 | #elif defined(RT_ARCH_ARM64)
|
---|
2100 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Byte, sizeof(uint32_t));
|
---|
2101 |
|
---|
2102 | #else
|
---|
2103 | # error "port me"
|
---|
2104 | #endif
|
---|
2105 | }
|
---|
2106 |
|
---|
2107 |
|
---|
2108 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2109 | /**
|
---|
2110 | * Emits a 128-bit vector register load instruction with an BP relative source address.
|
---|
2111 | */
|
---|
2112 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2113 | iemNativeEmitLoadVecRegByBpU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, int32_t offDisp)
|
---|
2114 | {
|
---|
2115 | #ifdef RT_ARCH_AMD64
|
---|
2116 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 9);
|
---|
2117 |
|
---|
2118 | /* movdqu reg128, mem128 */
|
---|
2119 | pbCodeBuf[off++] = 0xf3;
|
---|
2120 | if (iVecRegDst >= 8)
|
---|
2121 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2122 | pbCodeBuf[off++] = 0x0f;
|
---|
2123 | pbCodeBuf[off++] = 0x6f;
|
---|
2124 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegDst, offDisp, pReNative);
|
---|
2125 | #elif defined(RT_ARCH_ARM64)
|
---|
2126 | return iemNativeEmitGprByBpLdSt(pReNative, off, iVecRegDst, offDisp, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2127 | #else
|
---|
2128 | # error "port me"
|
---|
2129 | #endif
|
---|
2130 | }
|
---|
2131 |
|
---|
2132 |
|
---|
2133 | /**
|
---|
2134 | * Emits a 256-bit vector register load instruction with an BP relative source address.
|
---|
2135 | */
|
---|
2136 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2137 | iemNativeEmitLoadVecRegByBpU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, int32_t offDisp)
|
---|
2138 | {
|
---|
2139 | #ifdef RT_ARCH_AMD64
|
---|
2140 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2141 |
|
---|
2142 | /* vmovdqu reg256, mem256 */
|
---|
2143 | pbCodeBuf[off++] = X86_OP_VEX2;
|
---|
2144 | pbCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE_NO_VVVV(iVecRegDst >= 8, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
2145 | pbCodeBuf[off++] = 0x6f;
|
---|
2146 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegDst, offDisp, pReNative);
|
---|
2147 | #elif defined(RT_ARCH_ARM64)
|
---|
2148 | /* ASSUMES two consecutive vector registers for the 256-bit value. */
|
---|
2149 | Assert(!(iVecRegDst & 0x1));
|
---|
2150 | off = iemNativeEmitGprByBpLdSt(pReNative, off, iVecRegDst, offDisp, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2151 | return iemNativeEmitGprByBpLdSt(pReNative, off, iVecRegDst + 1, offDisp + sizeof(RTUINT128U), kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2152 | #else
|
---|
2153 | # error "port me"
|
---|
2154 | #endif
|
---|
2155 | }
|
---|
2156 |
|
---|
2157 | #endif
|
---|
2158 |
|
---|
2159 |
|
---|
2160 | /**
|
---|
2161 | * Emits a load effective address to a GRP with an BP relative source address.
|
---|
2162 | */
|
---|
2163 | DECL_INLINE_THROW(uint32_t)
|
---|
2164 | iemNativeEmitLeaGprByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2165 | {
|
---|
2166 | #ifdef RT_ARCH_AMD64
|
---|
2167 | /* lea gprdst, [rbp + offDisp] */
|
---|
2168 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2169 | if (iGprDst < 8)
|
---|
2170 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2171 | else
|
---|
2172 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
2173 | pbCodeBuf[off++] = 0x8d;
|
---|
2174 | off = iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2175 |
|
---|
2176 | #elif defined(RT_ARCH_ARM64)
|
---|
2177 | if ((uint32_t)offDisp < (unsigned)_4K)
|
---|
2178 | {
|
---|
2179 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2180 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, ARMV8_A64_REG_BP, (uint32_t)offDisp);
|
---|
2181 | }
|
---|
2182 | else if ((uint32_t)-offDisp < (unsigned)_4K)
|
---|
2183 | {
|
---|
2184 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2185 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, ARMV8_A64_REG_BP, (uint32_t)-offDisp);
|
---|
2186 | }
|
---|
2187 | else
|
---|
2188 | {
|
---|
2189 | Assert(iGprDst != IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
2190 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, offDisp >= 0 ? (uint32_t)offDisp : (uint32_t)-offDisp);
|
---|
2191 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2192 | if (offDisp >= 0)
|
---|
2193 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, ARMV8_A64_REG_BP, iGprDst);
|
---|
2194 | else
|
---|
2195 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(true /*fSub*/, iGprDst, ARMV8_A64_REG_BP, iGprDst);
|
---|
2196 | }
|
---|
2197 |
|
---|
2198 | #else
|
---|
2199 | # error "port me"
|
---|
2200 | #endif
|
---|
2201 |
|
---|
2202 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2203 | return off;
|
---|
2204 | }
|
---|
2205 |
|
---|
2206 |
|
---|
2207 | /**
|
---|
2208 | * Emits a 64-bit GPR store with an BP relative destination address.
|
---|
2209 | *
|
---|
2210 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2211 | */
|
---|
2212 | DECL_INLINE_THROW(uint32_t)
|
---|
2213 | iemNativeEmitStoreGprByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint8_t iGprSrc)
|
---|
2214 | {
|
---|
2215 | #ifdef RT_ARCH_AMD64
|
---|
2216 | /* mov qword [rbp + offDisp], gprdst */
|
---|
2217 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2218 | if (iGprSrc < 8)
|
---|
2219 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2220 | else
|
---|
2221 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
2222 | pbCodeBuf[off++] = 0x89;
|
---|
2223 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprSrc, offDisp, pReNative);
|
---|
2224 |
|
---|
2225 | #elif defined(RT_ARCH_ARM64)
|
---|
2226 | if (offDisp >= 0 && offDisp < 4096 * 8 && !((uint32_t)offDisp & 7))
|
---|
2227 | {
|
---|
2228 | /* str w/ unsigned imm12 (scaled) */
|
---|
2229 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2230 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, iGprSrc,
|
---|
2231 | ARMV8_A64_REG_BP, (uint32_t)offDisp / 8);
|
---|
2232 | }
|
---|
2233 | else if (offDisp >= -256 && offDisp <= 256)
|
---|
2234 | {
|
---|
2235 | /* stur w/ signed imm9 (unscaled) */
|
---|
2236 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2237 | pu32CodeBuf[off++] = Armv8A64MkInstrSturLdur(kArmv8A64InstrLdStType_St_Dword, iGprSrc, ARMV8_A64_REG_BP, offDisp);
|
---|
2238 | }
|
---|
2239 | else if ((uint32_t)-offDisp < (unsigned)_4K)
|
---|
2240 | {
|
---|
2241 | /* Use temporary indexing register w/ sub uimm12. */
|
---|
2242 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
2243 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, IEMNATIVE_REG_FIXED_TMP0,
|
---|
2244 | ARMV8_A64_REG_BP, (uint32_t)-offDisp);
|
---|
2245 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, iGprSrc, IEMNATIVE_REG_FIXED_TMP0, 0);
|
---|
2246 | }
|
---|
2247 | else
|
---|
2248 | {
|
---|
2249 | /* Use temporary indexing register. */
|
---|
2250 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, (uint32_t)offDisp);
|
---|
2251 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2252 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Dword, iGprSrc, ARMV8_A64_REG_BP,
|
---|
2253 | IEMNATIVE_REG_FIXED_TMP0, kArmv8A64InstrLdStExtend_Sxtw);
|
---|
2254 | }
|
---|
2255 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2256 | return off;
|
---|
2257 |
|
---|
2258 | #else
|
---|
2259 | # error "Port me!"
|
---|
2260 | #endif
|
---|
2261 | }
|
---|
2262 |
|
---|
2263 |
|
---|
2264 | /**
|
---|
2265 | * Emits a 64-bit immediate store with an BP relative destination address.
|
---|
2266 | *
|
---|
2267 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2268 | */
|
---|
2269 | DECL_INLINE_THROW(uint32_t)
|
---|
2270 | iemNativeEmitStoreImm64ByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint64_t uImm64)
|
---|
2271 | {
|
---|
2272 | #ifdef RT_ARCH_AMD64
|
---|
2273 | if ((int64_t)uImm64 == (int32_t)uImm64)
|
---|
2274 | {
|
---|
2275 | /* mov qword [rbp + offDisp], imm32 - sign extended */
|
---|
2276 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 11);
|
---|
2277 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2278 | pbCodeBuf[off++] = 0xc7;
|
---|
2279 | if (offDisp < 128 && offDisp >= -128)
|
---|
2280 | {
|
---|
2281 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, 0, X86_GREG_xBP);
|
---|
2282 | pbCodeBuf[off++] = (uint8_t)offDisp;
|
---|
2283 | }
|
---|
2284 | else
|
---|
2285 | {
|
---|
2286 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, 0, X86_GREG_xBP);
|
---|
2287 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
2288 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
2289 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
2290 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
2291 | }
|
---|
2292 | pbCodeBuf[off++] = RT_BYTE1(uImm64);
|
---|
2293 | pbCodeBuf[off++] = RT_BYTE2(uImm64);
|
---|
2294 | pbCodeBuf[off++] = RT_BYTE3(uImm64);
|
---|
2295 | pbCodeBuf[off++] = RT_BYTE4(uImm64);
|
---|
2296 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2297 | return off;
|
---|
2298 | }
|
---|
2299 | #endif
|
---|
2300 |
|
---|
2301 | /* Load tmp0, imm64; Store tmp to bp+disp. */
|
---|
2302 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, uImm64);
|
---|
2303 | return iemNativeEmitStoreGprByBp(pReNative, off, offDisp, IEMNATIVE_REG_FIXED_TMP0);
|
---|
2304 | }
|
---|
2305 |
|
---|
2306 |
|
---|
2307 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2308 | /**
|
---|
2309 | * Emits a 128-bit vector register store with an BP relative destination address.
|
---|
2310 | *
|
---|
2311 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2312 | */
|
---|
2313 | DECL_INLINE_THROW(uint32_t)
|
---|
2314 | iemNativeEmitStoreVecRegByBpU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint8_t iVecRegSrc)
|
---|
2315 | {
|
---|
2316 | #ifdef RT_ARCH_AMD64
|
---|
2317 | /* movdqu [rbp + offDisp], vecsrc */
|
---|
2318 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2319 | pbCodeBuf[off++] = 0xf3;
|
---|
2320 | if (iVecRegSrc >= 8)
|
---|
2321 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2322 | pbCodeBuf[off++] = 0x0f;
|
---|
2323 | pbCodeBuf[off++] = 0x7f;
|
---|
2324 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegSrc, offDisp, pReNative);
|
---|
2325 |
|
---|
2326 | #elif defined(RT_ARCH_ARM64)
|
---|
2327 | if (offDisp >= 0 && offDisp < 4096 * 8 && !((uint32_t)offDisp & 7))
|
---|
2328 | {
|
---|
2329 | /* str w/ unsigned imm12 (scaled) */
|
---|
2330 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2331 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc,
|
---|
2332 | ARMV8_A64_REG_BP, (uint32_t)offDisp / 8);
|
---|
2333 | }
|
---|
2334 | else if (offDisp >= -256 && offDisp <= 256)
|
---|
2335 | {
|
---|
2336 | /* stur w/ signed imm9 (unscaled) */
|
---|
2337 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2338 | pu32CodeBuf[off++] = Armv8A64MkInstrSturLdur(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc, ARMV8_A64_REG_BP, offDisp);
|
---|
2339 | }
|
---|
2340 | else if ((uint32_t)-offDisp < (unsigned)_4K)
|
---|
2341 | {
|
---|
2342 | /* Use temporary indexing register w/ sub uimm12. */
|
---|
2343 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
2344 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, IEMNATIVE_REG_FIXED_TMP0,
|
---|
2345 | ARMV8_A64_REG_BP, (uint32_t)-offDisp);
|
---|
2346 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc, IEMNATIVE_REG_FIXED_TMP0, 0);
|
---|
2347 | }
|
---|
2348 | else
|
---|
2349 | {
|
---|
2350 | /* Use temporary indexing register. */
|
---|
2351 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, (uint32_t)offDisp);
|
---|
2352 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2353 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc, ARMV8_A64_REG_BP,
|
---|
2354 | IEMNATIVE_REG_FIXED_TMP0, kArmv8A64InstrLdStExtend_Sxtw);
|
---|
2355 | }
|
---|
2356 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2357 | return off;
|
---|
2358 |
|
---|
2359 | #else
|
---|
2360 | # error "Port me!"
|
---|
2361 | #endif
|
---|
2362 | }
|
---|
2363 |
|
---|
2364 |
|
---|
2365 | /**
|
---|
2366 | * Emits a 256-bit vector register store with an BP relative destination address.
|
---|
2367 | *
|
---|
2368 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2369 | */
|
---|
2370 | DECL_INLINE_THROW(uint32_t)
|
---|
2371 | iemNativeEmitStoreVecRegByBpU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint8_t iVecRegSrc)
|
---|
2372 | {
|
---|
2373 | #ifdef RT_ARCH_AMD64
|
---|
2374 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2375 |
|
---|
2376 | /* vmovdqu mem256, reg256 */
|
---|
2377 | pbCodeBuf[off++] = X86_OP_VEX2;
|
---|
2378 | pbCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE_NO_VVVV(iVecRegSrc >= 8, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
2379 | pbCodeBuf[off++] = 0x7f;
|
---|
2380 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegSrc, offDisp, pReNative);
|
---|
2381 | #elif defined(RT_ARCH_ARM64)
|
---|
2382 | Assert(!(iVecRegSrc & 0x1));
|
---|
2383 | off = iemNativeEmitStoreVecRegByBpU128(pReNative, off, offDisp, iVecRegSrc);
|
---|
2384 | return iemNativeEmitStoreVecRegByBpU128(pReNative, off, offDisp + sizeof(RTUINT128U), iVecRegSrc + 1);
|
---|
2385 | #else
|
---|
2386 | # error "Port me!"
|
---|
2387 | #endif
|
---|
2388 | }
|
---|
2389 | #endif
|
---|
2390 |
|
---|
2391 | #if defined(RT_ARCH_ARM64)
|
---|
2392 |
|
---|
2393 | /**
|
---|
2394 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
2395 | *
|
---|
2396 | * @note Odd and large @a offDisp values requires a temporary, unless it's a
|
---|
2397 | * load and @a iGprReg differs from @a iGprBase. Will assert / throw if
|
---|
2398 | * caller does not heed this.
|
---|
2399 | *
|
---|
2400 | * @note DON'T try this with prefetch.
|
---|
2401 | */
|
---|
2402 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2403 | iemNativeEmitGprByGprLdStEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprReg, uint8_t iGprBase, int32_t offDisp,
|
---|
2404 | ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData, uint8_t iGprTmp = UINT8_MAX)
|
---|
2405 | {
|
---|
2406 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2407 | {
|
---|
2408 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2409 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2410 | }
|
---|
2411 | else if ( ( !ARMV8A64INSTRLDSTTYPE_IS_STORE(enmOperation)
|
---|
2412 | && iGprReg != iGprBase)
|
---|
2413 | || iGprTmp != UINT8_MAX)
|
---|
2414 | {
|
---|
2415 | /* The offset is too large, so we must load it into a register and use
|
---|
2416 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2417 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2418 | if (iGprTmp == UINT8_MAX)
|
---|
2419 | iGprTmp = iGprReg;
|
---|
2420 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, (int64_t)offDisp);
|
---|
2421 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, iGprBase, iGprTmp);
|
---|
2422 | }
|
---|
2423 | else
|
---|
2424 | # ifdef IEM_WITH_THROW_CATCH
|
---|
2425 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
2426 | # else
|
---|
2427 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
2428 | # endif
|
---|
2429 | return off;
|
---|
2430 | }
|
---|
2431 |
|
---|
2432 | /**
|
---|
2433 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
2434 | */
|
---|
2435 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2436 | iemNativeEmitGprByGprLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprReg,
|
---|
2437 | uint8_t iGprBase, int32_t offDisp, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
2438 | {
|
---|
2439 | /*
|
---|
2440 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
2441 | * try use those if we can, otherwise we have to use the temporary register
|
---|
2442 | * help with the addressing.
|
---|
2443 | */
|
---|
2444 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2445 | {
|
---|
2446 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2447 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2448 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2449 | }
|
---|
2450 | else
|
---|
2451 | {
|
---|
2452 | /* The offset is too large, so we must load it into a register and use
|
---|
2453 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2454 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2455 | uint8_t const idxTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (int64_t)offDisp);
|
---|
2456 |
|
---|
2457 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2458 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, iGprBase, idxTmpReg);
|
---|
2459 |
|
---|
2460 | iemNativeRegFreeTmpImm(pReNative, idxTmpReg);
|
---|
2461 | }
|
---|
2462 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2463 | return off;
|
---|
2464 | }
|
---|
2465 |
|
---|
2466 | # ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2467 | /**
|
---|
2468 | * Common bit of iemNativeEmitLoadVecRegByGprU128 and friends.
|
---|
2469 | *
|
---|
2470 | * @note Odd and large @a offDisp values requires a temporary, unless it's a
|
---|
2471 | * load and @a iGprReg differs from @a iGprBase. Will assert / throw if
|
---|
2472 | * caller does not heed this.
|
---|
2473 | *
|
---|
2474 | * @note DON'T try this with prefetch.
|
---|
2475 | */
|
---|
2476 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2477 | iemNativeEmitVecRegByGprLdStEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint8_t iGprBase, int32_t offDisp,
|
---|
2478 | ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData, uint8_t iGprTmp = UINT8_MAX)
|
---|
2479 | {
|
---|
2480 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2481 | {
|
---|
2482 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2483 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iVecReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2484 | }
|
---|
2485 | else if ( !ARMV8A64INSTRLDSTTYPE_IS_STORE(enmOperation)
|
---|
2486 | || iGprTmp != UINT8_MAX)
|
---|
2487 | {
|
---|
2488 | /* The offset is too large, so we must load it into a register and use
|
---|
2489 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2490 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2491 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, (int64_t)offDisp);
|
---|
2492 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iVecReg, iGprBase, iGprTmp);
|
---|
2493 | }
|
---|
2494 | else
|
---|
2495 | # ifdef IEM_WITH_THROW_CATCH
|
---|
2496 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
2497 | # else
|
---|
2498 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
2499 | # endif
|
---|
2500 | return off;
|
---|
2501 | }
|
---|
2502 | # endif
|
---|
2503 |
|
---|
2504 |
|
---|
2505 | /**
|
---|
2506 | * Common bit of iemNativeEmitLoadVecRegByGprU128 and friends.
|
---|
2507 | */
|
---|
2508 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2509 | iemNativeEmitVecRegByGprLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg,
|
---|
2510 | uint8_t iGprBase, int32_t offDisp, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
2511 | {
|
---|
2512 | /*
|
---|
2513 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
2514 | * try use those if we can, otherwise we have to use the temporary register
|
---|
2515 | * help with the addressing.
|
---|
2516 | */
|
---|
2517 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2518 | {
|
---|
2519 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2520 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2521 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iVecReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2522 | }
|
---|
2523 | else
|
---|
2524 | {
|
---|
2525 | /* The offset is too large, so we must load it into a register and use
|
---|
2526 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2527 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2528 | uint8_t const idxTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (int64_t)offDisp);
|
---|
2529 |
|
---|
2530 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2531 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iVecReg, iGprBase, idxTmpReg);
|
---|
2532 |
|
---|
2533 | iemNativeRegFreeTmpImm(pReNative, idxTmpReg);
|
---|
2534 | }
|
---|
2535 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2536 | return off;
|
---|
2537 | }
|
---|
2538 | #endif /* RT_ARCH_ARM64 */
|
---|
2539 |
|
---|
2540 | /**
|
---|
2541 | * Emits a 64-bit GPR load via a GPR base address with a displacement.
|
---|
2542 | *
|
---|
2543 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2544 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
2545 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
2546 | * does not heed this.
|
---|
2547 | */
|
---|
2548 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2549 | iemNativeEmitLoadGprByGprU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2550 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2551 | {
|
---|
2552 | #ifdef RT_ARCH_AMD64
|
---|
2553 | /* mov reg64, mem64 */
|
---|
2554 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2555 | pCodeBuf[off++] = 0x8b;
|
---|
2556 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2557 | RT_NOREF(iGprTmp);
|
---|
2558 |
|
---|
2559 | #elif defined(RT_ARCH_ARM64)
|
---|
2560 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2561 | kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t), iGprTmp);
|
---|
2562 |
|
---|
2563 | #else
|
---|
2564 | # error "port me"
|
---|
2565 | #endif
|
---|
2566 | return off;
|
---|
2567 | }
|
---|
2568 |
|
---|
2569 |
|
---|
2570 | /**
|
---|
2571 | * Emits a 64-bit GPR load via a GPR base address with a displacement.
|
---|
2572 | */
|
---|
2573 | DECL_INLINE_THROW(uint32_t)
|
---|
2574 | iemNativeEmitLoadGprByGprU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprBase, int32_t offDisp)
|
---|
2575 | {
|
---|
2576 | #ifdef RT_ARCH_AMD64
|
---|
2577 | off = iemNativeEmitLoadGprByGprU64Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iGprDst, iGprBase, offDisp);
|
---|
2578 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2579 |
|
---|
2580 | #elif defined(RT_ARCH_ARM64)
|
---|
2581 | off = iemNativeEmitGprByGprLdSt(pReNative, off, iGprDst, iGprBase, offDisp, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
2582 |
|
---|
2583 | #else
|
---|
2584 | # error "port me"
|
---|
2585 | #endif
|
---|
2586 | return off;
|
---|
2587 | }
|
---|
2588 |
|
---|
2589 |
|
---|
2590 | /**
|
---|
2591 | * Emits a 32-bit GPR load via a GPR base address with a displacement.
|
---|
2592 | *
|
---|
2593 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2594 | * -0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp)
|
---|
2595 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2596 | * caller does not heed this.
|
---|
2597 | *
|
---|
2598 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2599 | */
|
---|
2600 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2601 | iemNativeEmitLoadGprByGprU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2602 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2603 | {
|
---|
2604 | #ifdef RT_ARCH_AMD64
|
---|
2605 | /* mov reg32, mem32 */
|
---|
2606 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2607 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2608 | pCodeBuf[off++] = 0x8b;
|
---|
2609 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2610 | RT_NOREF(iGprTmp);
|
---|
2611 |
|
---|
2612 | #elif defined(RT_ARCH_ARM64)
|
---|
2613 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2614 | kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t), iGprTmp);
|
---|
2615 |
|
---|
2616 | #else
|
---|
2617 | # error "port me"
|
---|
2618 | #endif
|
---|
2619 | return off;
|
---|
2620 | }
|
---|
2621 |
|
---|
2622 |
|
---|
2623 | /**
|
---|
2624 | * Emits a 32-bit GPR load via a GPR base address with a displacement.
|
---|
2625 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2626 | */
|
---|
2627 | DECL_INLINE_THROW(uint32_t)
|
---|
2628 | iemNativeEmitLoadGprByGprU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprBase, int32_t offDisp)
|
---|
2629 | {
|
---|
2630 | #ifdef RT_ARCH_AMD64
|
---|
2631 | off = iemNativeEmitLoadGprByGprU32Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iGprDst, iGprBase, offDisp);
|
---|
2632 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2633 |
|
---|
2634 | #elif defined(RT_ARCH_ARM64)
|
---|
2635 | off = iemNativeEmitGprByGprLdSt(pReNative, off, iGprDst, iGprBase, offDisp, kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t));
|
---|
2636 |
|
---|
2637 | #else
|
---|
2638 | # error "port me"
|
---|
2639 | #endif
|
---|
2640 | return off;
|
---|
2641 | }
|
---|
2642 |
|
---|
2643 |
|
---|
2644 | /**
|
---|
2645 | * Emits a 32-bit GPR load via a GPR base address with a displacement,
|
---|
2646 | * sign-extending the value to 64 bits.
|
---|
2647 | *
|
---|
2648 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2649 | * -0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp)
|
---|
2650 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2651 | * caller does not heed this.
|
---|
2652 | */
|
---|
2653 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2654 | iemNativeEmitLoadGprByGprU64SignExtendedFromS32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2655 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2656 | {
|
---|
2657 | #ifdef RT_ARCH_AMD64
|
---|
2658 | /* movsxd reg64, mem32 */
|
---|
2659 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2660 | pCodeBuf[off++] = 0x63;
|
---|
2661 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2662 | RT_NOREF(iGprTmp);
|
---|
2663 |
|
---|
2664 | #elif defined(RT_ARCH_ARM64)
|
---|
2665 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2666 | kArmv8A64InstrLdStType_Ld_SignWord64, sizeof(uint32_t), iGprTmp);
|
---|
2667 |
|
---|
2668 | #else
|
---|
2669 | # error "port me"
|
---|
2670 | #endif
|
---|
2671 | return off;
|
---|
2672 | }
|
---|
2673 |
|
---|
2674 |
|
---|
2675 | /**
|
---|
2676 | * Emits a 16-bit GPR load via a GPR base address with a displacement.
|
---|
2677 | *
|
---|
2678 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2679 | * -0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp)
|
---|
2680 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2681 | * caller does not heed this.
|
---|
2682 | *
|
---|
2683 | * @note Bits 63 thru 16 in @a iGprDst will be cleared.
|
---|
2684 | */
|
---|
2685 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2686 | iemNativeEmitLoadGprByGprU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2687 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2688 | {
|
---|
2689 | #ifdef RT_ARCH_AMD64
|
---|
2690 | /* movzx reg32, mem16 */
|
---|
2691 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2692 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2693 | pCodeBuf[off++] = 0x0f;
|
---|
2694 | pCodeBuf[off++] = 0xb7;
|
---|
2695 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2696 | RT_NOREF(iGprTmp);
|
---|
2697 |
|
---|
2698 | #elif defined(RT_ARCH_ARM64)
|
---|
2699 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2700 | kArmv8A64InstrLdStType_Ld_Half, sizeof(uint16_t), iGprTmp);
|
---|
2701 |
|
---|
2702 | #else
|
---|
2703 | # error "port me"
|
---|
2704 | #endif
|
---|
2705 | return off;
|
---|
2706 | }
|
---|
2707 |
|
---|
2708 |
|
---|
2709 | /**
|
---|
2710 | * Emits a 16-bit GPR load via a GPR base address with a displacement,
|
---|
2711 | * sign-extending the value to 64 bits.
|
---|
2712 | *
|
---|
2713 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2714 | * -0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp)
|
---|
2715 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2716 | * caller does not heed this.
|
---|
2717 | */
|
---|
2718 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2719 | iemNativeEmitLoadGprByGprU64SignExtendedFromS16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2720 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2721 | {
|
---|
2722 | #ifdef RT_ARCH_AMD64
|
---|
2723 | /* movsx reg64, mem16 */
|
---|
2724 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2725 | pCodeBuf[off++] = 0x0f;
|
---|
2726 | pCodeBuf[off++] = 0xbf;
|
---|
2727 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2728 | RT_NOREF(iGprTmp);
|
---|
2729 |
|
---|
2730 | #elif defined(RT_ARCH_ARM64)
|
---|
2731 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2732 | kArmv8A64InstrLdStType_Ld_SignHalf64, sizeof(uint16_t), iGprTmp);
|
---|
2733 |
|
---|
2734 | #else
|
---|
2735 | # error "port me"
|
---|
2736 | #endif
|
---|
2737 | return off;
|
---|
2738 | }
|
---|
2739 |
|
---|
2740 |
|
---|
2741 | /**
|
---|
2742 | * Emits a 16-bit GPR load via a GPR base address with a displacement,
|
---|
2743 | * sign-extending the value to 32 bits.
|
---|
2744 | *
|
---|
2745 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2746 | * -0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp)
|
---|
2747 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2748 | * caller does not heed this.
|
---|
2749 | *
|
---|
2750 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2751 | */
|
---|
2752 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2753 | iemNativeEmitLoadGprByGprU32SignExtendedFromS16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2754 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2755 | {
|
---|
2756 | #ifdef RT_ARCH_AMD64
|
---|
2757 | /* movsx reg32, mem16 */
|
---|
2758 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2759 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2760 | pCodeBuf[off++] = 0x0f;
|
---|
2761 | pCodeBuf[off++] = 0xbf;
|
---|
2762 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2763 | RT_NOREF(iGprTmp);
|
---|
2764 |
|
---|
2765 | #elif defined(RT_ARCH_ARM64)
|
---|
2766 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2767 | kArmv8A64InstrLdStType_Ld_SignHalf32, sizeof(uint16_t), iGprTmp);
|
---|
2768 |
|
---|
2769 | #else
|
---|
2770 | # error "port me"
|
---|
2771 | #endif
|
---|
2772 | return off;
|
---|
2773 | }
|
---|
2774 |
|
---|
2775 |
|
---|
2776 | /**
|
---|
2777 | * Emits a 8-bit GPR load via a GPR base address with a displacement.
|
---|
2778 | *
|
---|
2779 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2780 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2781 | * same. Will assert / throw if caller does not heed this.
|
---|
2782 | *
|
---|
2783 | * @note Bits 63 thru 8 in @a iGprDst will be cleared.
|
---|
2784 | */
|
---|
2785 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2786 | iemNativeEmitLoadGprByGprU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2787 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2788 | {
|
---|
2789 | #ifdef RT_ARCH_AMD64
|
---|
2790 | /* movzx reg32, mem8 */
|
---|
2791 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2792 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2793 | pCodeBuf[off++] = 0x0f;
|
---|
2794 | pCodeBuf[off++] = 0xb6;
|
---|
2795 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2796 | RT_NOREF(iGprTmp);
|
---|
2797 |
|
---|
2798 | #elif defined(RT_ARCH_ARM64)
|
---|
2799 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2800 | kArmv8A64InstrLdStType_Ld_Byte, sizeof(uint8_t), iGprTmp);
|
---|
2801 |
|
---|
2802 | #else
|
---|
2803 | # error "port me"
|
---|
2804 | #endif
|
---|
2805 | return off;
|
---|
2806 | }
|
---|
2807 |
|
---|
2808 |
|
---|
2809 | /**
|
---|
2810 | * Emits a 8-bit GPR load via a GPR base address with a displacement,
|
---|
2811 | * sign-extending the value to 64 bits.
|
---|
2812 | *
|
---|
2813 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2814 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2815 | * same. Will assert / throw if caller does not heed this.
|
---|
2816 | */
|
---|
2817 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2818 | iemNativeEmitLoadGprByGprU64SignExtendedFromS8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2819 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2820 | {
|
---|
2821 | #ifdef RT_ARCH_AMD64
|
---|
2822 | /* movsx reg64, mem8 */
|
---|
2823 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2824 | pCodeBuf[off++] = 0x0f;
|
---|
2825 | pCodeBuf[off++] = 0xbe;
|
---|
2826 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2827 | RT_NOREF(iGprTmp);
|
---|
2828 |
|
---|
2829 | #elif defined(RT_ARCH_ARM64)
|
---|
2830 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2831 | kArmv8A64InstrLdStType_Ld_SignByte64, sizeof(uint8_t), iGprTmp);
|
---|
2832 |
|
---|
2833 | #else
|
---|
2834 | # error "port me"
|
---|
2835 | #endif
|
---|
2836 | return off;
|
---|
2837 | }
|
---|
2838 |
|
---|
2839 |
|
---|
2840 | /**
|
---|
2841 | * Emits a 8-bit GPR load via a GPR base address with a displacement,
|
---|
2842 | * sign-extending the value to 32 bits.
|
---|
2843 | *
|
---|
2844 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2845 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2846 | * same. Will assert / throw if caller does not heed this.
|
---|
2847 | *
|
---|
2848 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2849 | */
|
---|
2850 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2851 | iemNativeEmitLoadGprByGprU32SignExtendedFromS8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2852 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2853 | {
|
---|
2854 | #ifdef RT_ARCH_AMD64
|
---|
2855 | /* movsx reg32, mem8 */
|
---|
2856 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2857 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2858 | pCodeBuf[off++] = 0x0f;
|
---|
2859 | pCodeBuf[off++] = 0xbe;
|
---|
2860 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2861 | RT_NOREF(iGprTmp);
|
---|
2862 |
|
---|
2863 | #elif defined(RT_ARCH_ARM64)
|
---|
2864 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2865 | kArmv8A64InstrLdStType_Ld_SignByte32, sizeof(uint8_t), iGprTmp);
|
---|
2866 |
|
---|
2867 | #else
|
---|
2868 | # error "port me"
|
---|
2869 | #endif
|
---|
2870 | return off;
|
---|
2871 | }
|
---|
2872 |
|
---|
2873 |
|
---|
2874 | /**
|
---|
2875 | * Emits a 8-bit GPR load via a GPR base address with a displacement,
|
---|
2876 | * sign-extending the value to 16 bits.
|
---|
2877 | *
|
---|
2878 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2879 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2880 | * same. Will assert / throw if caller does not heed this.
|
---|
2881 | *
|
---|
2882 | * @note Bits 63 thru 16 in @a iGprDst will be cleared.
|
---|
2883 | */
|
---|
2884 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2885 | iemNativeEmitLoadGprByGprU16SignExtendedFromS8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2886 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2887 | {
|
---|
2888 | #ifdef RT_ARCH_AMD64
|
---|
2889 | /* movsx reg32, mem8 */
|
---|
2890 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2891 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2892 | pCodeBuf[off++] = 0x0f;
|
---|
2893 | pCodeBuf[off++] = 0xbe;
|
---|
2894 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2895 | # if 1 /** @todo use 'movzx reg32, reg16' instead of 'and reg32, 0ffffh' ? */
|
---|
2896 | /* and reg32, 0xffffh */
|
---|
2897 | if (iGprDst >= 8)
|
---|
2898 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
2899 | pCodeBuf[off++] = 0x81;
|
---|
2900 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
2901 | pCodeBuf[off++] = 0xff;
|
---|
2902 | pCodeBuf[off++] = 0xff;
|
---|
2903 | pCodeBuf[off++] = 0;
|
---|
2904 | pCodeBuf[off++] = 0;
|
---|
2905 | # else
|
---|
2906 | /* movzx reg32, reg16 */
|
---|
2907 | if (iGprDst >= 8)
|
---|
2908 | pCodeBuf[off++] = X86_OP_REX_B | X86_OP_REX_R;
|
---|
2909 | pCodeBuf[off++] = 0x0f;
|
---|
2910 | pCodeBuf[off++] = 0xb7;
|
---|
2911 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprDst & 7);
|
---|
2912 | # endif
|
---|
2913 | RT_NOREF(iGprTmp);
|
---|
2914 |
|
---|
2915 | #elif defined(RT_ARCH_ARM64)
|
---|
2916 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2917 | kArmv8A64InstrLdStType_Ld_SignByte32, sizeof(uint8_t), iGprTmp);
|
---|
2918 | Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
|
---|
2919 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*64Bit*/);
|
---|
2920 |
|
---|
2921 | #else
|
---|
2922 | # error "port me"
|
---|
2923 | #endif
|
---|
2924 | return off;
|
---|
2925 | }
|
---|
2926 |
|
---|
2927 |
|
---|
2928 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2929 | /**
|
---|
2930 | * Emits a 128-bit vector register load via a GPR base address with a displacement.
|
---|
2931 | *
|
---|
2932 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2933 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
2934 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
2935 | * does not heed this.
|
---|
2936 | */
|
---|
2937 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2938 | iemNativeEmitLoadVecRegByGprU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
2939 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2940 | {
|
---|
2941 | #ifdef RT_ARCH_AMD64
|
---|
2942 | /* movdqu reg128, mem128 */
|
---|
2943 | pCodeBuf[off++] = 0xf3;
|
---|
2944 | if (iVecRegDst >= 8 || iGprBase >= 8)
|
---|
2945 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2946 | pCodeBuf[off++] = 0x0f;
|
---|
2947 | pCodeBuf[off++] = 0x6f;
|
---|
2948 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
2949 | RT_NOREF(iGprTmp);
|
---|
2950 |
|
---|
2951 | #elif defined(RT_ARCH_ARM64)
|
---|
2952 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
2953 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
2954 |
|
---|
2955 | #else
|
---|
2956 | # error "port me"
|
---|
2957 | #endif
|
---|
2958 | return off;
|
---|
2959 | }
|
---|
2960 |
|
---|
2961 |
|
---|
2962 | /**
|
---|
2963 | * Emits a 128-bit GPR load via a GPR base address with a displacement.
|
---|
2964 | */
|
---|
2965 | DECL_INLINE_THROW(uint32_t)
|
---|
2966 | iemNativeEmitLoadVecRegByGprU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
2967 | {
|
---|
2968 | #ifdef RT_ARCH_AMD64
|
---|
2969 | off = iemNativeEmitLoadVecRegByGprU128Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
2970 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2971 |
|
---|
2972 | #elif defined(RT_ARCH_ARM64)
|
---|
2973 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2974 |
|
---|
2975 | #else
|
---|
2976 | # error "port me"
|
---|
2977 | #endif
|
---|
2978 | return off;
|
---|
2979 | }
|
---|
2980 |
|
---|
2981 |
|
---|
2982 | /**
|
---|
2983 | * Emits a 256-bit vector register load via a GPR base address with a displacement.
|
---|
2984 | *
|
---|
2985 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2986 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
2987 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
2988 | * does not heed this.
|
---|
2989 | */
|
---|
2990 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2991 | iemNativeEmitLoadVecRegByGprU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
2992 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2993 | {
|
---|
2994 | #ifdef RT_ARCH_AMD64
|
---|
2995 | /* vmovdqu reg256, mem256 */
|
---|
2996 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
2997 | pCodeBuf[off++] = (iVecRegDst < 8 ? X86_OP_VEX3_BYTE1_R : 0)
|
---|
2998 | | X86_OP_VEX3_BYTE1_X
|
---|
2999 | | (iGprBase < 8 ? X86_OP_VEX3_BYTE1_B : 0)
|
---|
3000 | | UINT8_C(0x01);
|
---|
3001 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false /*f64BitOpSz*/, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
3002 | pCodeBuf[off++] = 0x6f;
|
---|
3003 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
3004 | RT_NOREF(iGprTmp);
|
---|
3005 |
|
---|
3006 | #elif defined(RT_ARCH_ARM64)
|
---|
3007 | Assert(!(iVecRegDst & 0x1));
|
---|
3008 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
3009 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3010 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3011 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3012 | #else
|
---|
3013 | # error "port me"
|
---|
3014 | #endif
|
---|
3015 | return off;
|
---|
3016 | }
|
---|
3017 |
|
---|
3018 |
|
---|
3019 | /**
|
---|
3020 | * Emits a 256-bit GPR load via a GPR base address with a displacement.
|
---|
3021 | */
|
---|
3022 | DECL_INLINE_THROW(uint32_t)
|
---|
3023 | iemNativeEmitLoadVecRegByGprU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3024 | {
|
---|
3025 | #ifdef RT_ARCH_AMD64
|
---|
3026 | off = iemNativeEmitLoadVecRegByGprU128Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3027 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3028 |
|
---|
3029 | #elif defined(RT_ARCH_ARM64)
|
---|
3030 | Assert(!(iVecRegDst & 0x1));
|
---|
3031 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp,
|
---|
3032 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
3033 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3034 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
3035 |
|
---|
3036 | #else
|
---|
3037 | # error "port me"
|
---|
3038 | #endif
|
---|
3039 | return off;
|
---|
3040 | }
|
---|
3041 | #endif
|
---|
3042 |
|
---|
3043 |
|
---|
3044 | /**
|
---|
3045 | * Emits a 64-bit GPR store via a GPR base address with a displacement.
|
---|
3046 | *
|
---|
3047 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3048 | * 0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3049 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3050 | * does not heed this.
|
---|
3051 | */
|
---|
3052 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3053 | iemNativeEmitStoreGpr64ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3054 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3055 | {
|
---|
3056 | #ifdef RT_ARCH_AMD64
|
---|
3057 | /* mov mem64, reg64 */
|
---|
3058 | pCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3059 | pCodeBuf[off++] = 0x89;
|
---|
3060 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3061 | RT_NOREF(iGprTmp);
|
---|
3062 |
|
---|
3063 | #elif defined(RT_ARCH_ARM64)
|
---|
3064 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3065 | kArmv8A64InstrLdStType_St_Dword, sizeof(uint64_t), iGprTmp);
|
---|
3066 |
|
---|
3067 | #else
|
---|
3068 | # error "port me"
|
---|
3069 | #endif
|
---|
3070 | return off;
|
---|
3071 | }
|
---|
3072 |
|
---|
3073 |
|
---|
3074 | /**
|
---|
3075 | * Emits a 32-bit GPR store via a GPR base address with a displacement.
|
---|
3076 | *
|
---|
3077 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3078 | * 0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp) if
|
---|
3079 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3080 | * does not heed this.
|
---|
3081 | */
|
---|
3082 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3083 | iemNativeEmitStoreGpr32ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3084 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3085 | {
|
---|
3086 | #ifdef RT_ARCH_AMD64
|
---|
3087 | /* mov mem32, reg32 */
|
---|
3088 | if (iGprSrc >= 8 || iGprBase >= 8)
|
---|
3089 | pCodeBuf[off++] = (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3090 | pCodeBuf[off++] = 0x89;
|
---|
3091 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3092 | RT_NOREF(iGprTmp);
|
---|
3093 |
|
---|
3094 | #elif defined(RT_ARCH_ARM64)
|
---|
3095 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3096 | kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t), iGprTmp);
|
---|
3097 |
|
---|
3098 | #else
|
---|
3099 | # error "port me"
|
---|
3100 | #endif
|
---|
3101 | return off;
|
---|
3102 | }
|
---|
3103 |
|
---|
3104 |
|
---|
3105 | /**
|
---|
3106 | * Emits a 16-bit GPR store via a GPR base address with a displacement.
|
---|
3107 | *
|
---|
3108 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3109 | * 0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp) if
|
---|
3110 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3111 | * does not heed this.
|
---|
3112 | */
|
---|
3113 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3114 | iemNativeEmitStoreGpr16ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3115 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3116 | {
|
---|
3117 | #ifdef RT_ARCH_AMD64
|
---|
3118 | /* mov mem16, reg16 */
|
---|
3119 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3120 | if (iGprSrc >= 8 || iGprBase >= 8)
|
---|
3121 | pCodeBuf[off++] = (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3122 | pCodeBuf[off++] = 0x89;
|
---|
3123 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3124 | RT_NOREF(iGprTmp);
|
---|
3125 |
|
---|
3126 | #elif defined(RT_ARCH_ARM64)
|
---|
3127 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3128 | kArmv8A64InstrLdStType_St_Half, sizeof(uint16_t), iGprTmp);
|
---|
3129 |
|
---|
3130 | #else
|
---|
3131 | # error "port me"
|
---|
3132 | #endif
|
---|
3133 | return off;
|
---|
3134 | }
|
---|
3135 |
|
---|
3136 |
|
---|
3137 | /**
|
---|
3138 | * Emits a 8-bit GPR store via a GPR base address with a displacement.
|
---|
3139 | *
|
---|
3140 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
3141 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
3142 | * same. Will assert / throw if caller does not heed this.
|
---|
3143 | */
|
---|
3144 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3145 | iemNativeEmitStoreGpr8ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3146 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3147 | {
|
---|
3148 | #ifdef RT_ARCH_AMD64
|
---|
3149 | /* mov mem8, reg8 */
|
---|
3150 | if (iGprSrc >= 8 || iGprBase >= 8)
|
---|
3151 | pCodeBuf[off++] = (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3152 | else if (iGprSrc >= 4)
|
---|
3153 | pCodeBuf[off++] = X86_OP_REX;
|
---|
3154 | pCodeBuf[off++] = 0x88;
|
---|
3155 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3156 | RT_NOREF(iGprTmp);
|
---|
3157 |
|
---|
3158 | #elif defined(RT_ARCH_ARM64)
|
---|
3159 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3160 | kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t), iGprTmp);
|
---|
3161 |
|
---|
3162 | #else
|
---|
3163 | # error "port me"
|
---|
3164 | #endif
|
---|
3165 | return off;
|
---|
3166 | }
|
---|
3167 |
|
---|
3168 |
|
---|
3169 | /**
|
---|
3170 | * Emits a 64-bit immediate store via a GPR base address with a displacement.
|
---|
3171 | *
|
---|
3172 | * @note This will always require @a iGprTmpImm on ARM (except for uImm=0), on
|
---|
3173 | * AMD64 it depends on the immediate value.
|
---|
3174 | *
|
---|
3175 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3176 | * 0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3177 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3178 | * does not heed this.
|
---|
3179 | */
|
---|
3180 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3181 | iemNativeEmitStoreImm64ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint64_t uImm, uint8_t iGprBase,
|
---|
3182 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3183 | {
|
---|
3184 | #ifdef RT_ARCH_AMD64
|
---|
3185 | if ((int32_t)uImm == (int64_t)uImm)
|
---|
3186 | {
|
---|
3187 | /* mov mem64, imm32 (sign-extended) */
|
---|
3188 | pCodeBuf[off++] = X86_OP_REX_W | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3189 | pCodeBuf[off++] = 0xc7;
|
---|
3190 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3191 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
3192 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
3193 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
3194 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
3195 | }
|
---|
3196 | else if (iGprImmTmp != UINT8_MAX || iGprTmp != UINT8_MAX)
|
---|
3197 | {
|
---|
3198 | /* require temporary register. */
|
---|
3199 | if (iGprImmTmp == UINT8_MAX)
|
---|
3200 | iGprImmTmp = iGprTmp;
|
---|
3201 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprImmTmp, uImm);
|
---|
3202 | off = iemNativeEmitStoreGpr64ByGprEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp);
|
---|
3203 | }
|
---|
3204 | else
|
---|
3205 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3206 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3207 | # else
|
---|
3208 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3209 | # endif
|
---|
3210 |
|
---|
3211 | #elif defined(RT_ARCH_ARM64)
|
---|
3212 | if (uImm == 0)
|
---|
3213 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3214 | else
|
---|
3215 | {
|
---|
3216 | Assert(iGprImmTmp < 31);
|
---|
3217 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprImmTmp, uImm);
|
---|
3218 | }
|
---|
3219 | off = iemNativeEmitStoreGpr64ByGprEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp, iGprTmp);
|
---|
3220 |
|
---|
3221 | #else
|
---|
3222 | # error "port me"
|
---|
3223 | #endif
|
---|
3224 | return off;
|
---|
3225 | }
|
---|
3226 |
|
---|
3227 |
|
---|
3228 | /**
|
---|
3229 | * Emits a 32-bit GPR store via a GPR base address with a displacement.
|
---|
3230 | *
|
---|
3231 | * @note This will always require @a iGprTmpImm on ARM64 (except for uImm=0).
|
---|
3232 | *
|
---|
3233 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3234 | * 0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp) if
|
---|
3235 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3236 | * does not heed this.
|
---|
3237 | */
|
---|
3238 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3239 | iemNativeEmitStoreImm32ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t uImm, uint8_t iGprBase,
|
---|
3240 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3241 | {
|
---|
3242 | #ifdef RT_ARCH_AMD64
|
---|
3243 | /* mov mem32, imm32 */
|
---|
3244 | if (iGprBase >= 8)
|
---|
3245 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3246 | pCodeBuf[off++] = 0xc7;
|
---|
3247 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3248 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
3249 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
3250 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
3251 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
3252 | RT_NOREF(iGprImmTmp, iGprTmp);
|
---|
3253 |
|
---|
3254 | #elif defined(RT_ARCH_ARM64)
|
---|
3255 | Assert(iGprImmTmp < 31);
|
---|
3256 | if (uImm == 0)
|
---|
3257 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3258 | else
|
---|
3259 | {
|
---|
3260 | Assert(iGprImmTmp < 31);
|
---|
3261 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprImmTmp, uImm);
|
---|
3262 | }
|
---|
3263 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp,
|
---|
3264 | kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t), iGprTmp);
|
---|
3265 |
|
---|
3266 | #else
|
---|
3267 | # error "port me"
|
---|
3268 | #endif
|
---|
3269 | return off;
|
---|
3270 | }
|
---|
3271 |
|
---|
3272 |
|
---|
3273 | /**
|
---|
3274 | * Emits a 16-bit GPR store via a GPR base address with a displacement.
|
---|
3275 | *
|
---|
3276 | * @note This will always require @a iGprTmpImm on ARM64 (except for uImm=0).
|
---|
3277 | *
|
---|
3278 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3279 | * 0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp) if
|
---|
3280 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3281 | * does not heed this.
|
---|
3282 | */
|
---|
3283 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3284 | iemNativeEmitStoreImm16ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint16_t uImm, uint8_t iGprBase,
|
---|
3285 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3286 | {
|
---|
3287 | #ifdef RT_ARCH_AMD64
|
---|
3288 | /* mov mem16, imm16 */
|
---|
3289 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3290 | if (iGprBase >= 8)
|
---|
3291 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3292 | pCodeBuf[off++] = 0xc7;
|
---|
3293 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3294 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
3295 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
3296 | RT_NOREF(iGprImmTmp, iGprTmp);
|
---|
3297 |
|
---|
3298 | #elif defined(RT_ARCH_ARM64)
|
---|
3299 | if (uImm == 0)
|
---|
3300 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3301 | else
|
---|
3302 | {
|
---|
3303 | Assert(iGprImmTmp < 31);
|
---|
3304 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGprImmTmp, uImm);
|
---|
3305 | }
|
---|
3306 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp,
|
---|
3307 | kArmv8A64InstrLdStType_St_Half, sizeof(uint16_t), iGprTmp);
|
---|
3308 |
|
---|
3309 | #else
|
---|
3310 | # error "port me"
|
---|
3311 | #endif
|
---|
3312 | return off;
|
---|
3313 | }
|
---|
3314 |
|
---|
3315 |
|
---|
3316 | /**
|
---|
3317 | * Emits a 8-bit GPR store via a GPR base address with a displacement.
|
---|
3318 | *
|
---|
3319 | * @note This will always require @a iGprTmpImm on ARM64 (except for uImm=0).
|
---|
3320 | *
|
---|
3321 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
3322 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
3323 | * same. Will assert / throw if caller does not heed this.
|
---|
3324 | */
|
---|
3325 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3326 | iemNativeEmitStoreImm8ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t uImm, uint8_t iGprBase,
|
---|
3327 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3328 | {
|
---|
3329 | #ifdef RT_ARCH_AMD64
|
---|
3330 | /* mov mem8, imm8 */
|
---|
3331 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3332 | if (iGprBase >= 8)
|
---|
3333 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3334 | pCodeBuf[off++] = 0xc6;
|
---|
3335 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3336 | pCodeBuf[off++] = uImm;
|
---|
3337 | RT_NOREF(iGprImmTmp, iGprTmp);
|
---|
3338 |
|
---|
3339 | #elif defined(RT_ARCH_ARM64)
|
---|
3340 | if (uImm == 0)
|
---|
3341 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3342 | else
|
---|
3343 | {
|
---|
3344 | Assert(iGprImmTmp < 31);
|
---|
3345 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGprImmTmp, uImm);
|
---|
3346 | }
|
---|
3347 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp,
|
---|
3348 | kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t), iGprTmp);
|
---|
3349 |
|
---|
3350 | #else
|
---|
3351 | # error "port me"
|
---|
3352 | #endif
|
---|
3353 | return off;
|
---|
3354 | }
|
---|
3355 |
|
---|
3356 |
|
---|
3357 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
3358 | /**
|
---|
3359 | * Emits a 128-bit vector register store via a GPR base address with a displacement.
|
---|
3360 | *
|
---|
3361 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3362 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3363 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3364 | * does not heed this.
|
---|
3365 | */
|
---|
3366 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3367 | iemNativeEmitStoreVecRegByGprU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
3368 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3369 | {
|
---|
3370 | #ifdef RT_ARCH_AMD64
|
---|
3371 | /* movdqu mem128, reg128 */
|
---|
3372 | pCodeBuf[off++] = 0xf3;
|
---|
3373 | if (iVecRegDst >= 8 || iGprBase >= 8)
|
---|
3374 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3375 | pCodeBuf[off++] = 0x0f;
|
---|
3376 | pCodeBuf[off++] = 0x7f;
|
---|
3377 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
3378 | RT_NOREF(iGprTmp);
|
---|
3379 |
|
---|
3380 | #elif defined(RT_ARCH_ARM64)
|
---|
3381 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
3382 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3383 |
|
---|
3384 | #else
|
---|
3385 | # error "port me"
|
---|
3386 | #endif
|
---|
3387 | return off;
|
---|
3388 | }
|
---|
3389 |
|
---|
3390 |
|
---|
3391 | /**
|
---|
3392 | * Emits a 128-bit vector register store via a GPR base address with a displacement.
|
---|
3393 | */
|
---|
3394 | DECL_INLINE_THROW(uint32_t)
|
---|
3395 | iemNativeEmitStoreVecRegByGprU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3396 | {
|
---|
3397 | #ifdef RT_ARCH_AMD64
|
---|
3398 | off = iemNativeEmitStoreVecRegByGprU128Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3399 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3400 |
|
---|
3401 | #elif defined(RT_ARCH_ARM64)
|
---|
3402 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
3403 |
|
---|
3404 | #else
|
---|
3405 | # error "port me"
|
---|
3406 | #endif
|
---|
3407 | return off;
|
---|
3408 | }
|
---|
3409 |
|
---|
3410 |
|
---|
3411 | /**
|
---|
3412 | * Emits a 256-bit vector register store via a GPR base address with a displacement.
|
---|
3413 | *
|
---|
3414 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3415 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3416 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3417 | * does not heed this.
|
---|
3418 | */
|
---|
3419 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3420 | iemNativeEmitStoreVecRegByGprU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
3421 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3422 | {
|
---|
3423 | #ifdef RT_ARCH_AMD64
|
---|
3424 | /* vmovdqu mem256, reg256 */
|
---|
3425 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
3426 | pCodeBuf[off++] = (iVecRegDst < 8 ? X86_OP_VEX3_BYTE1_R : 0)
|
---|
3427 | | X86_OP_VEX3_BYTE1_X
|
---|
3428 | | (iGprBase < 8 ? X86_OP_VEX3_BYTE1_B : 0)
|
---|
3429 | | UINT8_C(0x01);
|
---|
3430 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false /*f64BitOpSz*/, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
3431 | pCodeBuf[off++] = 0x7f;
|
---|
3432 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
3433 | RT_NOREF(iGprTmp);
|
---|
3434 |
|
---|
3435 | #elif defined(RT_ARCH_ARM64)
|
---|
3436 | Assert(!(iVecRegDst & 0x1));
|
---|
3437 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
3438 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3439 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3440 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3441 | #else
|
---|
3442 | # error "port me"
|
---|
3443 | #endif
|
---|
3444 | return off;
|
---|
3445 | }
|
---|
3446 |
|
---|
3447 |
|
---|
3448 | /**
|
---|
3449 | * Emits a 256-bit GPR load via a GPR base address with a displacement.
|
---|
3450 | */
|
---|
3451 | DECL_INLINE_THROW(uint32_t)
|
---|
3452 | iemNativeEmitStoreVecRegByGprU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3453 | {
|
---|
3454 | #ifdef RT_ARCH_AMD64
|
---|
3455 | off = iemNativeEmitStoreVecRegByGprU256Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3456 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3457 |
|
---|
3458 | #elif defined(RT_ARCH_ARM64)
|
---|
3459 | Assert(!(iVecRegDst & 0x1));
|
---|
3460 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp,
|
---|
3461 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
3462 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3463 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
3464 |
|
---|
3465 | #else
|
---|
3466 | # error "port me"
|
---|
3467 | #endif
|
---|
3468 | return off;
|
---|
3469 | }
|
---|
3470 | #endif
|
---|
3471 |
|
---|
3472 |
|
---|
3473 |
|
---|
3474 | /*********************************************************************************************************************************
|
---|
3475 | * Subtraction and Additions *
|
---|
3476 | *********************************************************************************************************************************/
|
---|
3477 |
|
---|
3478 | /**
|
---|
3479 | * Emits subtracting a 64-bit GPR from another, storing the result in the first.
|
---|
3480 | * @note The AMD64 version sets flags.
|
---|
3481 | */
|
---|
3482 | DECL_INLINE_THROW(uint32_t)
|
---|
3483 | iemNativeEmitSubTwoGprs(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSubtrahend)
|
---|
3484 | {
|
---|
3485 | #if defined(RT_ARCH_AMD64)
|
---|
3486 | /* sub Gv,Ev */
|
---|
3487 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
3488 | pbCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
3489 | | (iGprSubtrahend < 8 ? 0 : X86_OP_REX_B);
|
---|
3490 | pbCodeBuf[off++] = 0x2b;
|
---|
3491 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSubtrahend & 7);
|
---|
3492 |
|
---|
3493 | #elif defined(RT_ARCH_ARM64)
|
---|
3494 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
3495 | pu32CodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprSubtrahend);
|
---|
3496 |
|
---|
3497 | #else
|
---|
3498 | # error "Port me"
|
---|
3499 | #endif
|
---|
3500 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3501 | return off;
|
---|
3502 | }
|
---|
3503 |
|
---|
3504 |
|
---|
3505 | /**
|
---|
3506 | * Emits subtracting a 32-bit GPR from another, storing the result in the first.
|
---|
3507 | * @note The AMD64 version sets flags.
|
---|
3508 | */
|
---|
3509 | DECL_FORCE_INLINE(uint32_t)
|
---|
3510 | iemNativeEmitSubTwoGprs32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSubtrahend)
|
---|
3511 | {
|
---|
3512 | #if defined(RT_ARCH_AMD64)
|
---|
3513 | /* sub Gv,Ev */
|
---|
3514 | if (iGprDst >= 8 || iGprSubtrahend >= 8)
|
---|
3515 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R)
|
---|
3516 | | (iGprSubtrahend < 8 ? 0 : X86_OP_REX_B);
|
---|
3517 | pCodeBuf[off++] = 0x2b;
|
---|
3518 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSubtrahend & 7);
|
---|
3519 |
|
---|
3520 | #elif defined(RT_ARCH_ARM64)
|
---|
3521 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprSubtrahend, false /*f64Bit*/);
|
---|
3522 |
|
---|
3523 | #else
|
---|
3524 | # error "Port me"
|
---|
3525 | #endif
|
---|
3526 | return off;
|
---|
3527 | }
|
---|
3528 |
|
---|
3529 |
|
---|
3530 | /**
|
---|
3531 | * Emits subtracting a 32-bit GPR from another, storing the result in the first.
|
---|
3532 | * @note The AMD64 version sets flags.
|
---|
3533 | */
|
---|
3534 | DECL_INLINE_THROW(uint32_t)
|
---|
3535 | iemNativeEmitSubTwoGprs32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSubtrahend)
|
---|
3536 | {
|
---|
3537 | #if defined(RT_ARCH_AMD64)
|
---|
3538 | off = iemNativeEmitSubTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSubtrahend);
|
---|
3539 | #elif defined(RT_ARCH_ARM64)
|
---|
3540 | off = iemNativeEmitSubTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSubtrahend);
|
---|
3541 | #else
|
---|
3542 | # error "Port me"
|
---|
3543 | #endif
|
---|
3544 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3545 | return off;
|
---|
3546 | }
|
---|
3547 |
|
---|
3548 |
|
---|
3549 | /**
|
---|
3550 | * Emits a 64-bit GPR subtract with a signed immediate subtrahend.
|
---|
3551 | *
|
---|
3552 | * This will optimize using DEC/INC/whatever, so try avoid flag dependencies.
|
---|
3553 | *
|
---|
3554 | * @note Larger constants will require a temporary register. Failing to specify
|
---|
3555 | * one when needed will trigger fatal assertion / throw.
|
---|
3556 | */
|
---|
3557 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3558 | iemNativeEmitSubGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int64_t iSubtrahend,
|
---|
3559 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3560 | {
|
---|
3561 | #ifdef RT_ARCH_AMD64
|
---|
3562 | pCodeBuf[off++] = iGprDst >= 8 ? X86_OP_REX_W | X86_OP_REX_B : X86_OP_REX_W;
|
---|
3563 | if (iSubtrahend == 1)
|
---|
3564 | {
|
---|
3565 | /* dec r/m64 */
|
---|
3566 | pCodeBuf[off++] = 0xff;
|
---|
3567 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
3568 | }
|
---|
3569 | else if (iSubtrahend == -1)
|
---|
3570 | {
|
---|
3571 | /* inc r/m64 */
|
---|
3572 | pCodeBuf[off++] = 0xff;
|
---|
3573 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3574 | }
|
---|
3575 | else if ((int8_t)iSubtrahend == iSubtrahend)
|
---|
3576 | {
|
---|
3577 | /* sub r/m64, imm8 */
|
---|
3578 | pCodeBuf[off++] = 0x83;
|
---|
3579 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3580 | pCodeBuf[off++] = (uint8_t)iSubtrahend;
|
---|
3581 | }
|
---|
3582 | else if ((int32_t)iSubtrahend == iSubtrahend)
|
---|
3583 | {
|
---|
3584 | /* sub r/m64, imm32 */
|
---|
3585 | pCodeBuf[off++] = 0x81;
|
---|
3586 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3587 | pCodeBuf[off++] = RT_BYTE1((uint64_t)iSubtrahend);
|
---|
3588 | pCodeBuf[off++] = RT_BYTE2((uint64_t)iSubtrahend);
|
---|
3589 | pCodeBuf[off++] = RT_BYTE3((uint64_t)iSubtrahend);
|
---|
3590 | pCodeBuf[off++] = RT_BYTE4((uint64_t)iSubtrahend);
|
---|
3591 | }
|
---|
3592 | else if (iGprTmp != UINT8_MAX)
|
---|
3593 | {
|
---|
3594 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off - 1, iGprTmp, (uint64_t)iSubtrahend);
|
---|
3595 | /* sub r/m64, r64 */
|
---|
3596 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B) | (iGprTmp < 8 ? 0 : X86_OP_REX_R);
|
---|
3597 | pCodeBuf[off++] = 0x29;
|
---|
3598 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprTmp & 7, iGprDst & 7);
|
---|
3599 | }
|
---|
3600 | else
|
---|
3601 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3602 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3603 | # else
|
---|
3604 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3605 | # endif
|
---|
3606 |
|
---|
3607 | #elif defined(RT_ARCH_ARM64)
|
---|
3608 | uint32_t uAbsSubtrahend = RT_ABS(iSubtrahend);
|
---|
3609 | if (uAbsSubtrahend < 4096)
|
---|
3610 | {
|
---|
3611 | if (iSubtrahend >= 0)
|
---|
3612 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend);
|
---|
3613 | else
|
---|
3614 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend);
|
---|
3615 | }
|
---|
3616 | else if (uAbsSubtrahend <= 0xfff000 && !(uAbsSubtrahend & 0xfff))
|
---|
3617 | {
|
---|
3618 | if (iSubtrahend >= 0)
|
---|
3619 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3620 | true /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3621 | else
|
---|
3622 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3623 | true /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3624 | }
|
---|
3625 | else if (iGprTmp != UINT8_MAX)
|
---|
3626 | {
|
---|
3627 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, (uint64_t)iSubtrahend);
|
---|
3628 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprTmp);
|
---|
3629 | }
|
---|
3630 | else
|
---|
3631 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3632 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3633 | # else
|
---|
3634 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3635 | # endif
|
---|
3636 |
|
---|
3637 | #else
|
---|
3638 | # error "Port me"
|
---|
3639 | #endif
|
---|
3640 | return off;
|
---|
3641 | }
|
---|
3642 |
|
---|
3643 |
|
---|
3644 | /**
|
---|
3645 | * Emits a 64-bit GPR subtract with a signed immediate subtrahend.
|
---|
3646 | *
|
---|
3647 | * @note Larger constants will require a temporary register. Failing to specify
|
---|
3648 | * one when needed will trigger fatal assertion / throw.
|
---|
3649 | */
|
---|
3650 | DECL_INLINE_THROW(uint32_t)
|
---|
3651 | iemNativeEmitSubGprImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int64_t iSubtrahend,
|
---|
3652 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3653 |
|
---|
3654 | {
|
---|
3655 | #ifdef RT_ARCH_AMD64
|
---|
3656 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 13), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3657 | #elif defined(RT_ARCH_ARM64)
|
---|
3658 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 5), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3659 | #else
|
---|
3660 | # error "Port me"
|
---|
3661 | #endif
|
---|
3662 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3663 | return off;
|
---|
3664 | }
|
---|
3665 |
|
---|
3666 |
|
---|
3667 | /**
|
---|
3668 | * Emits a 32-bit GPR subtract with a signed immediate subtrahend.
|
---|
3669 | *
|
---|
3670 | * This will optimize using DEC/INC/whatever, so try avoid flag dependencies.
|
---|
3671 | *
|
---|
3672 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
3673 | * specify one when needed will trigger fatal assertion / throw.
|
---|
3674 | */
|
---|
3675 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3676 | iemNativeEmitSubGpr32ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int32_t iSubtrahend,
|
---|
3677 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3678 | {
|
---|
3679 | #ifdef RT_ARCH_AMD64
|
---|
3680 | if (iGprDst >= 8)
|
---|
3681 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3682 | if (iSubtrahend == 1)
|
---|
3683 | {
|
---|
3684 | /* dec r/m32 */
|
---|
3685 | pCodeBuf[off++] = 0xff;
|
---|
3686 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
3687 | }
|
---|
3688 | else if (iSubtrahend == -1)
|
---|
3689 | {
|
---|
3690 | /* inc r/m32 */
|
---|
3691 | pCodeBuf[off++] = 0xff;
|
---|
3692 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3693 | }
|
---|
3694 | else if (iSubtrahend < 128 && iSubtrahend >= -128)
|
---|
3695 | {
|
---|
3696 | /* sub r/m32, imm8 */
|
---|
3697 | pCodeBuf[off++] = 0x83;
|
---|
3698 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3699 | pCodeBuf[off++] = (uint8_t)iSubtrahend;
|
---|
3700 | }
|
---|
3701 | else
|
---|
3702 | {
|
---|
3703 | /* sub r/m32, imm32 */
|
---|
3704 | pCodeBuf[off++] = 0x81;
|
---|
3705 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3706 | pCodeBuf[off++] = RT_BYTE1(iSubtrahend);
|
---|
3707 | pCodeBuf[off++] = RT_BYTE2(iSubtrahend);
|
---|
3708 | pCodeBuf[off++] = RT_BYTE3(iSubtrahend);
|
---|
3709 | pCodeBuf[off++] = RT_BYTE4(iSubtrahend);
|
---|
3710 | }
|
---|
3711 | RT_NOREF(iGprTmp);
|
---|
3712 |
|
---|
3713 | #elif defined(RT_ARCH_ARM64)
|
---|
3714 | uint32_t uAbsSubtrahend = RT_ABS(iSubtrahend);
|
---|
3715 | if (uAbsSubtrahend < 4096)
|
---|
3716 | {
|
---|
3717 | if (iSubtrahend >= 0)
|
---|
3718 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3719 | else
|
---|
3720 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3721 | }
|
---|
3722 | else if (uAbsSubtrahend <= 0xfff000 && !(uAbsSubtrahend & 0xfff))
|
---|
3723 | {
|
---|
3724 | if (iSubtrahend >= 0)
|
---|
3725 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3726 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3727 | else
|
---|
3728 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3729 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3730 | }
|
---|
3731 | else if (iGprTmp != UINT8_MAX)
|
---|
3732 | {
|
---|
3733 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprTmp, (uint32_t)iSubtrahend);
|
---|
3734 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprTmp, false /*f64Bit*/);
|
---|
3735 | }
|
---|
3736 | else
|
---|
3737 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3738 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3739 | # else
|
---|
3740 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3741 | # endif
|
---|
3742 |
|
---|
3743 | #else
|
---|
3744 | # error "Port me"
|
---|
3745 | #endif
|
---|
3746 | return off;
|
---|
3747 | }
|
---|
3748 |
|
---|
3749 |
|
---|
3750 | /**
|
---|
3751 | * Emits a 32-bit GPR subtract with a signed immediate subtrahend.
|
---|
3752 | *
|
---|
3753 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
3754 | * specify one when needed will trigger fatal assertion / throw.
|
---|
3755 | */
|
---|
3756 | DECL_INLINE_THROW(uint32_t)
|
---|
3757 | iemNativeEmitSubGpr32Imm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t iSubtrahend,
|
---|
3758 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3759 |
|
---|
3760 | {
|
---|
3761 | #ifdef RT_ARCH_AMD64
|
---|
3762 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3763 | #elif defined(RT_ARCH_ARM64)
|
---|
3764 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3765 | #else
|
---|
3766 | # error "Port me"
|
---|
3767 | #endif
|
---|
3768 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3769 | return off;
|
---|
3770 | }
|
---|
3771 |
|
---|
3772 |
|
---|
3773 | /**
|
---|
3774 | * Emits a 16-bit GPR subtract with a signed immediate subtrahend.
|
---|
3775 | *
|
---|
3776 | * This will optimize using DEC/INC/whatever and ARM64 will not set flags,
|
---|
3777 | * so not suitable as a base for conditional jumps.
|
---|
3778 | *
|
---|
3779 | * @note AMD64: Will only update the lower 16 bits of the register.
|
---|
3780 | * @note ARM64: Will update the entire register.
|
---|
3781 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
3782 | * specify one when needed will trigger fatal assertion / throw.
|
---|
3783 | */
|
---|
3784 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3785 | iemNativeEmitSubGpr16ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int16_t iSubtrahend,
|
---|
3786 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3787 | {
|
---|
3788 | #ifdef RT_ARCH_AMD64
|
---|
3789 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3790 | if (iGprDst >= 8)
|
---|
3791 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3792 | if (iSubtrahend == 1)
|
---|
3793 | {
|
---|
3794 | /* dec r/m16 */
|
---|
3795 | pCodeBuf[off++] = 0xff;
|
---|
3796 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
3797 | }
|
---|
3798 | else if (iSubtrahend == -1)
|
---|
3799 | {
|
---|
3800 | /* inc r/m16 */
|
---|
3801 | pCodeBuf[off++] = 0xff;
|
---|
3802 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3803 | }
|
---|
3804 | else if ((int8_t)iSubtrahend == iSubtrahend)
|
---|
3805 | {
|
---|
3806 | /* sub r/m16, imm8 */
|
---|
3807 | pCodeBuf[off++] = 0x83;
|
---|
3808 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3809 | pCodeBuf[off++] = (uint8_t)iSubtrahend;
|
---|
3810 | }
|
---|
3811 | else
|
---|
3812 | {
|
---|
3813 | /* sub r/m16, imm16 */
|
---|
3814 | pCodeBuf[off++] = 0x81;
|
---|
3815 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3816 | pCodeBuf[off++] = RT_BYTE1((uint16_t)iSubtrahend);
|
---|
3817 | pCodeBuf[off++] = RT_BYTE2((uint16_t)iSubtrahend);
|
---|
3818 | }
|
---|
3819 | RT_NOREF(iGprTmp);
|
---|
3820 |
|
---|
3821 | #elif defined(RT_ARCH_ARM64)
|
---|
3822 | uint32_t uAbsSubtrahend = RT_ABS(iSubtrahend);
|
---|
3823 | if (uAbsSubtrahend < 4096)
|
---|
3824 | {
|
---|
3825 | if (iSubtrahend >= 0)
|
---|
3826 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3827 | else
|
---|
3828 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3829 | }
|
---|
3830 | else if (uAbsSubtrahend <= 0xfff000 && !(uAbsSubtrahend & 0xfff))
|
---|
3831 | {
|
---|
3832 | if (iSubtrahend >= 0)
|
---|
3833 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3834 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3835 | else
|
---|
3836 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3837 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3838 | }
|
---|
3839 | else if (iGprTmp != UINT8_MAX)
|
---|
3840 | {
|
---|
3841 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprTmp, (uint32_t)iSubtrahend);
|
---|
3842 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprTmp, false /*f64Bit*/);
|
---|
3843 | }
|
---|
3844 | else
|
---|
3845 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3846 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3847 | # else
|
---|
3848 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3849 | # endif
|
---|
3850 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*f64Bit*/);
|
---|
3851 |
|
---|
3852 | #else
|
---|
3853 | # error "Port me"
|
---|
3854 | #endif
|
---|
3855 | return off;
|
---|
3856 | }
|
---|
3857 |
|
---|
3858 |
|
---|
3859 | /**
|
---|
3860 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3861 | * @note The AMD64 version sets flags.
|
---|
3862 | */
|
---|
3863 | DECL_FORCE_INLINE(uint32_t)
|
---|
3864 | iemNativeEmitAddTwoGprsEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3865 | {
|
---|
3866 | #if defined(RT_ARCH_AMD64)
|
---|
3867 | /* add Gv,Ev */
|
---|
3868 | pCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
3869 | | (iGprAddend < 8 ? 0 : X86_OP_REX_B);
|
---|
3870 | pCodeBuf[off++] = 0x03;
|
---|
3871 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprAddend & 7);
|
---|
3872 |
|
---|
3873 | #elif defined(RT_ARCH_ARM64)
|
---|
3874 | pCodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iGprAddend);
|
---|
3875 |
|
---|
3876 | #else
|
---|
3877 | # error "Port me"
|
---|
3878 | #endif
|
---|
3879 | return off;
|
---|
3880 | }
|
---|
3881 |
|
---|
3882 |
|
---|
3883 | /**
|
---|
3884 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3885 | * @note The AMD64 version sets flags.
|
---|
3886 | */
|
---|
3887 | DECL_INLINE_THROW(uint32_t)
|
---|
3888 | iemNativeEmitAddTwoGprs(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3889 | {
|
---|
3890 | #if defined(RT_ARCH_AMD64)
|
---|
3891 | off = iemNativeEmitAddTwoGprsEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprAddend);
|
---|
3892 | #elif defined(RT_ARCH_ARM64)
|
---|
3893 | off = iemNativeEmitAddTwoGprsEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprAddend);
|
---|
3894 | #else
|
---|
3895 | # error "Port me"
|
---|
3896 | #endif
|
---|
3897 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3898 | return off;
|
---|
3899 | }
|
---|
3900 |
|
---|
3901 |
|
---|
3902 | /**
|
---|
3903 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3904 | * @note The AMD64 version sets flags.
|
---|
3905 | */
|
---|
3906 | DECL_FORCE_INLINE(uint32_t)
|
---|
3907 | iemNativeEmitAddTwoGprs32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3908 | {
|
---|
3909 | #if defined(RT_ARCH_AMD64)
|
---|
3910 | /* add Gv,Ev */
|
---|
3911 | if (iGprDst >= 8 || iGprAddend >= 8)
|
---|
3912 | pCodeBuf[off++] = (iGprDst >= 8 ? X86_OP_REX_R : 0)
|
---|
3913 | | (iGprAddend >= 8 ? X86_OP_REX_B : 0);
|
---|
3914 | pCodeBuf[off++] = 0x03;
|
---|
3915 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprAddend & 7);
|
---|
3916 |
|
---|
3917 | #elif defined(RT_ARCH_ARM64)
|
---|
3918 | pCodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iGprAddend, false /*f64Bit*/);
|
---|
3919 |
|
---|
3920 | #else
|
---|
3921 | # error "Port me"
|
---|
3922 | #endif
|
---|
3923 | return off;
|
---|
3924 | }
|
---|
3925 |
|
---|
3926 |
|
---|
3927 | /**
|
---|
3928 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3929 | * @note The AMD64 version sets flags.
|
---|
3930 | */
|
---|
3931 | DECL_INLINE_THROW(uint32_t)
|
---|
3932 | iemNativeEmitAddTwoGprs32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3933 | {
|
---|
3934 | #if defined(RT_ARCH_AMD64)
|
---|
3935 | off = iemNativeEmitAddTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprAddend);
|
---|
3936 | #elif defined(RT_ARCH_ARM64)
|
---|
3937 | off = iemNativeEmitAddTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprAddend);
|
---|
3938 | #else
|
---|
3939 | # error "Port me"
|
---|
3940 | #endif
|
---|
3941 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3942 | return off;
|
---|
3943 | }
|
---|
3944 |
|
---|
3945 |
|
---|
3946 | /**
|
---|
3947 | * Emits a 64-bit GPR additions with a 8-bit signed immediate.
|
---|
3948 | */
|
---|
3949 | DECL_INLINE_THROW(uint32_t)
|
---|
3950 | iemNativeEmitAddGprImm8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
3951 | {
|
---|
3952 | #if defined(RT_ARCH_AMD64)
|
---|
3953 | /* add or inc */
|
---|
3954 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
3955 | if (iImm8 != 1)
|
---|
3956 | {
|
---|
3957 | pCodeBuf[off++] = 0x83;
|
---|
3958 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3959 | pCodeBuf[off++] = (uint8_t)iImm8;
|
---|
3960 | }
|
---|
3961 | else
|
---|
3962 | {
|
---|
3963 | pCodeBuf[off++] = 0xff;
|
---|
3964 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3965 | }
|
---|
3966 |
|
---|
3967 | #elif defined(RT_ARCH_ARM64)
|
---|
3968 | if (iImm8 >= 0)
|
---|
3969 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, (uint8_t)iImm8);
|
---|
3970 | else
|
---|
3971 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, (uint8_t)-iImm8);
|
---|
3972 |
|
---|
3973 | #else
|
---|
3974 | # error "Port me"
|
---|
3975 | #endif
|
---|
3976 | return off;
|
---|
3977 | }
|
---|
3978 |
|
---|
3979 |
|
---|
3980 | /**
|
---|
3981 | * Emits a 64-bit GPR additions with a 8-bit signed immediate.
|
---|
3982 | */
|
---|
3983 | DECL_INLINE_THROW(uint32_t)
|
---|
3984 | iemNativeEmitAddGprImm8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
3985 | {
|
---|
3986 | #if defined(RT_ARCH_AMD64)
|
---|
3987 | off = iemNativeEmitAddGprImm8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iImm8);
|
---|
3988 | #elif defined(RT_ARCH_ARM64)
|
---|
3989 | off = iemNativeEmitAddGprImm8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iImm8);
|
---|
3990 | #else
|
---|
3991 | # error "Port me"
|
---|
3992 | #endif
|
---|
3993 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3994 | return off;
|
---|
3995 | }
|
---|
3996 |
|
---|
3997 |
|
---|
3998 | /**
|
---|
3999 | * Emits a 32-bit GPR additions with a 8-bit signed immediate.
|
---|
4000 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4001 | */
|
---|
4002 | DECL_FORCE_INLINE(uint32_t)
|
---|
4003 | iemNativeEmitAddGpr32Imm8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
4004 | {
|
---|
4005 | #if defined(RT_ARCH_AMD64)
|
---|
4006 | /* add or inc */
|
---|
4007 | if (iGprDst >= 8)
|
---|
4008 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4009 | if (iImm8 != 1)
|
---|
4010 | {
|
---|
4011 | pCodeBuf[off++] = 0x83;
|
---|
4012 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4013 | pCodeBuf[off++] = (uint8_t)iImm8;
|
---|
4014 | }
|
---|
4015 | else
|
---|
4016 | {
|
---|
4017 | pCodeBuf[off++] = 0xff;
|
---|
4018 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4019 | }
|
---|
4020 |
|
---|
4021 | #elif defined(RT_ARCH_ARM64)
|
---|
4022 | if (iImm8 >= 0)
|
---|
4023 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, (uint8_t)iImm8, false /*f64Bit*/);
|
---|
4024 | else
|
---|
4025 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, (uint8_t)-iImm8, false /*f64Bit*/);
|
---|
4026 |
|
---|
4027 | #else
|
---|
4028 | # error "Port me"
|
---|
4029 | #endif
|
---|
4030 | return off;
|
---|
4031 | }
|
---|
4032 |
|
---|
4033 |
|
---|
4034 | /**
|
---|
4035 | * Emits a 32-bit GPR additions with a 8-bit signed immediate.
|
---|
4036 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4037 | */
|
---|
4038 | DECL_INLINE_THROW(uint32_t)
|
---|
4039 | iemNativeEmitAddGpr32Imm8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
4040 | {
|
---|
4041 | #if defined(RT_ARCH_AMD64)
|
---|
4042 | off = iemNativeEmitAddGpr32Imm8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iImm8);
|
---|
4043 | #elif defined(RT_ARCH_ARM64)
|
---|
4044 | off = iemNativeEmitAddGpr32Imm8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iImm8);
|
---|
4045 | #else
|
---|
4046 | # error "Port me"
|
---|
4047 | #endif
|
---|
4048 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4049 | return off;
|
---|
4050 | }
|
---|
4051 |
|
---|
4052 |
|
---|
4053 | /**
|
---|
4054 | * Emits a 64-bit GPR additions with a 64-bit signed addend.
|
---|
4055 | *
|
---|
4056 | * @note Will assert / throw if @a iGprTmp is not specified when needed.
|
---|
4057 | */
|
---|
4058 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4059 | iemNativeEmitAddGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int64_t iAddend, uint8_t iGprTmp = UINT8_MAX)
|
---|
4060 | {
|
---|
4061 | #if defined(RT_ARCH_AMD64)
|
---|
4062 | if ((int8_t)iAddend == iAddend)
|
---|
4063 | return iemNativeEmitAddGprImm8Ex(pCodeBuf, off, iGprDst, (int8_t)iAddend);
|
---|
4064 |
|
---|
4065 | if ((int32_t)iAddend == iAddend)
|
---|
4066 | {
|
---|
4067 | /* add grp, imm32 */
|
---|
4068 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
4069 | pCodeBuf[off++] = 0x81;
|
---|
4070 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4071 | pCodeBuf[off++] = RT_BYTE1((uint32_t)iAddend);
|
---|
4072 | pCodeBuf[off++] = RT_BYTE2((uint32_t)iAddend);
|
---|
4073 | pCodeBuf[off++] = RT_BYTE3((uint32_t)iAddend);
|
---|
4074 | pCodeBuf[off++] = RT_BYTE4((uint32_t)iAddend);
|
---|
4075 | }
|
---|
4076 | else if (iGprTmp != UINT8_MAX)
|
---|
4077 | {
|
---|
4078 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, iAddend);
|
---|
4079 |
|
---|
4080 | /* add dst, tmpreg */
|
---|
4081 | pCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
4082 | | (iGprTmp < 8 ? 0 : X86_OP_REX_B);
|
---|
4083 | pCodeBuf[off++] = 0x03;
|
---|
4084 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprTmp & 7);
|
---|
4085 | }
|
---|
4086 | else
|
---|
4087 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4088 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4089 | # else
|
---|
4090 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4091 | # endif
|
---|
4092 |
|
---|
4093 | #elif defined(RT_ARCH_ARM64)
|
---|
4094 | uint64_t const uAbsAddend = (uint64_t)RT_ABS(iAddend);
|
---|
4095 | if (uAbsAddend < 4096)
|
---|
4096 | {
|
---|
4097 | if (iAddend >= 0)
|
---|
4098 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend);
|
---|
4099 | else
|
---|
4100 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend);
|
---|
4101 | }
|
---|
4102 | else if (uAbsAddend <= 0xfff000 && !(uAbsAddend & 0xfff))
|
---|
4103 | {
|
---|
4104 | if (iAddend >= 0)
|
---|
4105 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend >> 12,
|
---|
4106 | true /*f64Bit*/, true /*fShift12*/);
|
---|
4107 | else
|
---|
4108 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend >> 12,
|
---|
4109 | true /*f64Bit*/, true /*fShift12*/);
|
---|
4110 | }
|
---|
4111 | else if (iGprTmp != UINT8_MAX)
|
---|
4112 | {
|
---|
4113 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, iAddend);
|
---|
4114 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprDst, iGprTmp);
|
---|
4115 | }
|
---|
4116 | else
|
---|
4117 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4118 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4119 | # else
|
---|
4120 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4121 | # endif
|
---|
4122 |
|
---|
4123 | #else
|
---|
4124 | # error "Port me"
|
---|
4125 | #endif
|
---|
4126 | return off;
|
---|
4127 | }
|
---|
4128 |
|
---|
4129 |
|
---|
4130 | /**
|
---|
4131 | * Emits a 64-bit GPR additions with a 64-bit signed addend.
|
---|
4132 | */
|
---|
4133 | DECL_INLINE_THROW(uint32_t)
|
---|
4134 | iemNativeEmitAddGprImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int64_t iAddend)
|
---|
4135 | {
|
---|
4136 | #if defined(RT_ARCH_AMD64)
|
---|
4137 | if (iAddend <= INT8_MAX && iAddend >= INT8_MIN)
|
---|
4138 | return iemNativeEmitAddGprImm8(pReNative, off, iGprDst, (int8_t)iAddend);
|
---|
4139 |
|
---|
4140 | if (iAddend <= INT32_MAX && iAddend >= INT32_MIN)
|
---|
4141 | {
|
---|
4142 | /* add grp, imm32 */
|
---|
4143 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
4144 | pbCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
4145 | pbCodeBuf[off++] = 0x81;
|
---|
4146 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4147 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)iAddend);
|
---|
4148 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)iAddend);
|
---|
4149 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)iAddend);
|
---|
4150 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)iAddend);
|
---|
4151 | }
|
---|
4152 | else
|
---|
4153 | {
|
---|
4154 | /* Best to use a temporary register to deal with this in the simplest way: */
|
---|
4155 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (uint64_t)iAddend);
|
---|
4156 |
|
---|
4157 | /* add dst, tmpreg */
|
---|
4158 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
4159 | pbCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
4160 | | (iTmpReg < 8 ? 0 : X86_OP_REX_B);
|
---|
4161 | pbCodeBuf[off++] = 0x03;
|
---|
4162 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iTmpReg & 7);
|
---|
4163 |
|
---|
4164 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4165 | }
|
---|
4166 |
|
---|
4167 | #elif defined(RT_ARCH_ARM64)
|
---|
4168 | if ((uint64_t)RT_ABS(iAddend) < RT_BIT_32(12))
|
---|
4169 | {
|
---|
4170 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4171 | if (iAddend >= 0)
|
---|
4172 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, (uint32_t)iAddend);
|
---|
4173 | else
|
---|
4174 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, (uint32_t)-iAddend);
|
---|
4175 | }
|
---|
4176 | else
|
---|
4177 | {
|
---|
4178 | /* Use temporary register for the immediate. */
|
---|
4179 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (uint64_t)iAddend);
|
---|
4180 |
|
---|
4181 | /* add gprdst, gprdst, tmpreg */
|
---|
4182 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4183 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iTmpReg);
|
---|
4184 |
|
---|
4185 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4186 | }
|
---|
4187 |
|
---|
4188 | #else
|
---|
4189 | # error "Port me"
|
---|
4190 | #endif
|
---|
4191 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4192 | return off;
|
---|
4193 | }
|
---|
4194 |
|
---|
4195 |
|
---|
4196 | /**
|
---|
4197 | * Emits a 32-bit GPR additions with a 32-bit signed immediate.
|
---|
4198 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4199 | * @note For ARM64 the iAddend value must be in the range 0x000..0xfff,
|
---|
4200 | * or that range shifted 12 bits to the left (e.g. 0x1000..0xfff000 with
|
---|
4201 | * the lower 12 bits always zero). The negative ranges are also allowed,
|
---|
4202 | * making it behave like a subtraction. If the constant does not conform,
|
---|
4203 | * bad stuff will happen.
|
---|
4204 | */
|
---|
4205 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4206 | iemNativeEmitAddGpr32ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int32_t iAddend)
|
---|
4207 | {
|
---|
4208 | #if defined(RT_ARCH_AMD64)
|
---|
4209 | if (iAddend <= INT8_MAX && iAddend >= INT8_MIN)
|
---|
4210 | return iemNativeEmitAddGpr32Imm8Ex(pCodeBuf, off, iGprDst, (int8_t)iAddend);
|
---|
4211 |
|
---|
4212 | /* add grp, imm32 */
|
---|
4213 | if (iGprDst >= 8)
|
---|
4214 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4215 | pCodeBuf[off++] = 0x81;
|
---|
4216 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4217 | pCodeBuf[off++] = RT_BYTE1((uint32_t)iAddend);
|
---|
4218 | pCodeBuf[off++] = RT_BYTE2((uint32_t)iAddend);
|
---|
4219 | pCodeBuf[off++] = RT_BYTE3((uint32_t)iAddend);
|
---|
4220 | pCodeBuf[off++] = RT_BYTE4((uint32_t)iAddend);
|
---|
4221 |
|
---|
4222 | #elif defined(RT_ARCH_ARM64)
|
---|
4223 | uint32_t const uAbsAddend = (uint32_t)RT_ABS(iAddend);
|
---|
4224 | if (uAbsAddend <= 0xfff)
|
---|
4225 | {
|
---|
4226 | if (iAddend >= 0)
|
---|
4227 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4228 | else
|
---|
4229 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4230 | }
|
---|
4231 | else if (uAbsAddend <= 0xfff000 && !(uAbsAddend & 0xfff))
|
---|
4232 | {
|
---|
4233 | if (iAddend >= 0)
|
---|
4234 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4235 | false /*f64Bit*/, true /*fShift12*/);
|
---|
4236 | else
|
---|
4237 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4238 | false /*f64Bit*/, true /*fShift12*/);
|
---|
4239 | }
|
---|
4240 | else
|
---|
4241 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4242 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4243 | # else
|
---|
4244 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4245 | # endif
|
---|
4246 |
|
---|
4247 | #else
|
---|
4248 | # error "Port me"
|
---|
4249 | #endif
|
---|
4250 | return off;
|
---|
4251 | }
|
---|
4252 |
|
---|
4253 |
|
---|
4254 | /**
|
---|
4255 | * Emits a 32-bit GPR additions with a 32-bit signed immediate.
|
---|
4256 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4257 | */
|
---|
4258 | DECL_INLINE_THROW(uint32_t)
|
---|
4259 | iemNativeEmitAddGpr32Imm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t iAddend)
|
---|
4260 | {
|
---|
4261 | #if defined(RT_ARCH_AMD64)
|
---|
4262 | off = iemNativeEmitAddGpr32ImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iAddend);
|
---|
4263 |
|
---|
4264 | #elif defined(RT_ARCH_ARM64)
|
---|
4265 | if ((uint64_t)RT_ABS(iAddend) < RT_BIT_32(12))
|
---|
4266 | {
|
---|
4267 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4268 | if (iAddend >= 0)
|
---|
4269 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, (uint32_t)iAddend, false /*f64Bit*/);
|
---|
4270 | else
|
---|
4271 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, (uint32_t)-iAddend, false /*f64Bit*/);
|
---|
4272 | }
|
---|
4273 | else
|
---|
4274 | {
|
---|
4275 | /* Use temporary register for the immediate. */
|
---|
4276 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (uint32_t)iAddend);
|
---|
4277 |
|
---|
4278 | /* add gprdst, gprdst, tmpreg */
|
---|
4279 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4280 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iTmpReg, false /*f64Bit*/);
|
---|
4281 |
|
---|
4282 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4283 | }
|
---|
4284 |
|
---|
4285 | #else
|
---|
4286 | # error "Port me"
|
---|
4287 | #endif
|
---|
4288 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4289 | return off;
|
---|
4290 | }
|
---|
4291 |
|
---|
4292 |
|
---|
4293 | /**
|
---|
4294 | * Emits a 16-bit GPR add with a signed immediate addend.
|
---|
4295 | *
|
---|
4296 | * This will optimize using INC/DEC/whatever and ARM64 will not set flags,
|
---|
4297 | * so not suitable as a base for conditional jumps.
|
---|
4298 | *
|
---|
4299 | * @note AMD64: Will only update the lower 16 bits of the register.
|
---|
4300 | * @note ARM64: Will update the entire register.
|
---|
4301 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
4302 | * specify one when needed will trigger fatal assertion / throw.
|
---|
4303 | * @sa iemNativeEmitSubGpr16ImmEx
|
---|
4304 | */
|
---|
4305 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4306 | iemNativeEmitAddGpr16ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int16_t iAddend,
|
---|
4307 | uint8_t iGprTmp = UINT8_MAX)
|
---|
4308 | {
|
---|
4309 | #ifdef RT_ARCH_AMD64
|
---|
4310 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
4311 | if (iGprDst >= 8)
|
---|
4312 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4313 | if (iAddend == 1)
|
---|
4314 | {
|
---|
4315 | /* inc r/m16 */
|
---|
4316 | pCodeBuf[off++] = 0xff;
|
---|
4317 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4318 | }
|
---|
4319 | else if (iAddend == -1)
|
---|
4320 | {
|
---|
4321 | /* dec r/m16 */
|
---|
4322 | pCodeBuf[off++] = 0xff;
|
---|
4323 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
4324 | }
|
---|
4325 | else if ((int8_t)iAddend == iAddend)
|
---|
4326 | {
|
---|
4327 | /* add r/m16, imm8 */
|
---|
4328 | pCodeBuf[off++] = 0x83;
|
---|
4329 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4330 | pCodeBuf[off++] = (uint8_t)iAddend;
|
---|
4331 | }
|
---|
4332 | else
|
---|
4333 | {
|
---|
4334 | /* add r/m16, imm16 */
|
---|
4335 | pCodeBuf[off++] = 0x81;
|
---|
4336 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4337 | pCodeBuf[off++] = RT_BYTE1((uint16_t)iAddend);
|
---|
4338 | pCodeBuf[off++] = RT_BYTE2((uint16_t)iAddend);
|
---|
4339 | }
|
---|
4340 | RT_NOREF(iGprTmp);
|
---|
4341 |
|
---|
4342 | #elif defined(RT_ARCH_ARM64)
|
---|
4343 | uint32_t uAbsAddend = RT_ABS(iAddend);
|
---|
4344 | if (uAbsAddend < 4096)
|
---|
4345 | {
|
---|
4346 | if (iAddend >= 0)
|
---|
4347 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4348 | else
|
---|
4349 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4350 | }
|
---|
4351 | else if (uAbsAddend <= 0xfff000 && !(uAbsAddend & 0xfff))
|
---|
4352 | {
|
---|
4353 | if (iAddend >= 0)
|
---|
4354 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4355 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
4356 | else
|
---|
4357 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4358 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
4359 | }
|
---|
4360 | else if (iGprTmp != UINT8_MAX)
|
---|
4361 | {
|
---|
4362 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprTmp, (uint32_t)iAddend);
|
---|
4363 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprDst, iGprTmp, false /*f64Bit*/);
|
---|
4364 | }
|
---|
4365 | else
|
---|
4366 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4367 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4368 | # else
|
---|
4369 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4370 | # endif
|
---|
4371 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*f64Bit*/);
|
---|
4372 |
|
---|
4373 | #else
|
---|
4374 | # error "Port me"
|
---|
4375 | #endif
|
---|
4376 | return off;
|
---|
4377 | }
|
---|
4378 |
|
---|
4379 |
|
---|
4380 |
|
---|
4381 | /**
|
---|
4382 | * Adds two 64-bit GPRs together, storing the result in a third register.
|
---|
4383 | */
|
---|
4384 | DECL_FORCE_INLINE(uint32_t)
|
---|
4385 | iemNativeEmitGprEqGprPlusGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend1, uint8_t iGprAddend2)
|
---|
4386 | {
|
---|
4387 | #ifdef RT_ARCH_AMD64
|
---|
4388 | if (iGprDst != iGprAddend1 && iGprDst != iGprAddend2)
|
---|
4389 | {
|
---|
4390 | /** @todo consider LEA */
|
---|
4391 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprAddend1);
|
---|
4392 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend2);
|
---|
4393 | }
|
---|
4394 | else
|
---|
4395 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprDst != iGprAddend1 ? iGprAddend1 : iGprAddend2);
|
---|
4396 |
|
---|
4397 | #elif defined(RT_ARCH_ARM64)
|
---|
4398 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprAddend1, iGprAddend2);
|
---|
4399 |
|
---|
4400 | #else
|
---|
4401 | # error "Port me!"
|
---|
4402 | #endif
|
---|
4403 | return off;
|
---|
4404 | }
|
---|
4405 |
|
---|
4406 |
|
---|
4407 |
|
---|
4408 | /**
|
---|
4409 | * Adds two 32-bit GPRs together, storing the result in a third register.
|
---|
4410 | * @note Bits 32 thru 63 in @a iGprDst will be zero after the operation.
|
---|
4411 | */
|
---|
4412 | DECL_FORCE_INLINE(uint32_t)
|
---|
4413 | iemNativeEmitGpr32EqGprPlusGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend1, uint8_t iGprAddend2)
|
---|
4414 | {
|
---|
4415 | #ifdef RT_ARCH_AMD64
|
---|
4416 | if (iGprDst != iGprAddend1 && iGprDst != iGprAddend2)
|
---|
4417 | {
|
---|
4418 | /** @todo consider LEA */
|
---|
4419 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprAddend1);
|
---|
4420 | off = iemNativeEmitAddTwoGprs32Ex(pCodeBuf, off, iGprDst, iGprAddend2);
|
---|
4421 | }
|
---|
4422 | else
|
---|
4423 | off = iemNativeEmitAddTwoGprs32Ex(pCodeBuf, off, iGprDst, iGprDst != iGprAddend1 ? iGprAddend1 : iGprAddend2);
|
---|
4424 |
|
---|
4425 | #elif defined(RT_ARCH_ARM64)
|
---|
4426 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprAddend1, iGprAddend2, false /*f64Bit*/);
|
---|
4427 |
|
---|
4428 | #else
|
---|
4429 | # error "Port me!"
|
---|
4430 | #endif
|
---|
4431 | return off;
|
---|
4432 | }
|
---|
4433 |
|
---|
4434 |
|
---|
4435 | /**
|
---|
4436 | * Adds a 64-bit GPR and a 64-bit unsigned constant, storing the result in a
|
---|
4437 | * third register.
|
---|
4438 | *
|
---|
4439 | * @note The ARM64 version does not work for non-trivial constants if the
|
---|
4440 | * two registers are the same. Will assert / throw exception.
|
---|
4441 | */
|
---|
4442 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4443 | iemNativeEmitGprEqGprPlusImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend, int64_t iImmAddend)
|
---|
4444 | {
|
---|
4445 | #ifdef RT_ARCH_AMD64
|
---|
4446 | /** @todo consider LEA */
|
---|
4447 | if ((int8_t)iImmAddend == iImmAddend)
|
---|
4448 | {
|
---|
4449 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4450 | off = iemNativeEmitAddGprImm8Ex(pCodeBuf, off, iGprDst, (int8_t)iImmAddend);
|
---|
4451 | }
|
---|
4452 | else
|
---|
4453 | {
|
---|
4454 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, iImmAddend);
|
---|
4455 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4456 | }
|
---|
4457 |
|
---|
4458 | #elif defined(RT_ARCH_ARM64)
|
---|
4459 | uint64_t const uAbsImmAddend = RT_ABS(iImmAddend);
|
---|
4460 | if (uAbsImmAddend < 4096)
|
---|
4461 | {
|
---|
4462 | if (iImmAddend >= 0)
|
---|
4463 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprAddend, uAbsImmAddend);
|
---|
4464 | else
|
---|
4465 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprAddend, uAbsImmAddend);
|
---|
4466 | }
|
---|
4467 | else if (uAbsImmAddend <= 0xfff000 && !(uAbsImmAddend & 0xfff))
|
---|
4468 | {
|
---|
4469 | if (iImmAddend >= 0)
|
---|
4470 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, true /*f64Bit*/, true /*fShift12*/);
|
---|
4471 | else
|
---|
4472 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, true /*f64Bit*/, true /*fShift12*/);
|
---|
4473 | }
|
---|
4474 | else if (iGprDst != iGprAddend)
|
---|
4475 | {
|
---|
4476 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, (uint64_t)iImmAddend);
|
---|
4477 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4478 | }
|
---|
4479 | else
|
---|
4480 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4481 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4482 | # else
|
---|
4483 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4484 | # endif
|
---|
4485 |
|
---|
4486 | #else
|
---|
4487 | # error "Port me!"
|
---|
4488 | #endif
|
---|
4489 | return off;
|
---|
4490 | }
|
---|
4491 |
|
---|
4492 |
|
---|
4493 | /**
|
---|
4494 | * Adds a 32-bit GPR and a 32-bit unsigned constant, storing the result in a
|
---|
4495 | * third register.
|
---|
4496 | *
|
---|
4497 | * @note Bits 32 thru 63 in @a iGprDst will be zero after the operation.
|
---|
4498 | *
|
---|
4499 | * @note The ARM64 version does not work for non-trivial constants if the
|
---|
4500 | * two registers are the same. Will assert / throw exception.
|
---|
4501 | */
|
---|
4502 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4503 | iemNativeEmitGpr32EqGprPlusImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend, int32_t iImmAddend)
|
---|
4504 | {
|
---|
4505 | #ifdef RT_ARCH_AMD64
|
---|
4506 | /** @todo consider LEA */
|
---|
4507 | if ((int8_t)iImmAddend == iImmAddend)
|
---|
4508 | {
|
---|
4509 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4510 | off = iemNativeEmitAddGpr32Imm8Ex(pCodeBuf, off, iGprDst, (int8_t)iImmAddend);
|
---|
4511 | }
|
---|
4512 | else
|
---|
4513 | {
|
---|
4514 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, iImmAddend);
|
---|
4515 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4516 | }
|
---|
4517 |
|
---|
4518 | #elif defined(RT_ARCH_ARM64)
|
---|
4519 | uint32_t const uAbsImmAddend = RT_ABS(iImmAddend);
|
---|
4520 | if (uAbsImmAddend < 4096)
|
---|
4521 | {
|
---|
4522 | if (iImmAddend >= 0)
|
---|
4523 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprAddend, uAbsImmAddend, false /*f64Bit*/);
|
---|
4524 | else
|
---|
4525 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprAddend, uAbsImmAddend, false /*f64Bit*/);
|
---|
4526 | }
|
---|
4527 | else if (uAbsImmAddend <= 0xfff000 && !(uAbsImmAddend & 0xfff))
|
---|
4528 | {
|
---|
4529 | if (iImmAddend >= 0)
|
---|
4530 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, false /*f64Bit*/, true /*fShift12*/);
|
---|
4531 | else
|
---|
4532 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, false /*f64Bit*/, true /*fShift12*/);
|
---|
4533 | }
|
---|
4534 | else if (iGprDst != iGprAddend)
|
---|
4535 | {
|
---|
4536 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, (uint32_t)iImmAddend);
|
---|
4537 | off = iemNativeEmitAddTwoGprs32Ex(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4538 | }
|
---|
4539 | else
|
---|
4540 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4541 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4542 | # else
|
---|
4543 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4544 | # endif
|
---|
4545 |
|
---|
4546 | #else
|
---|
4547 | # error "Port me!"
|
---|
4548 | #endif
|
---|
4549 | return off;
|
---|
4550 | }
|
---|
4551 |
|
---|
4552 |
|
---|
4553 | /*********************************************************************************************************************************
|
---|
4554 | * Unary Operations *
|
---|
4555 | *********************************************************************************************************************************/
|
---|
4556 |
|
---|
4557 | /**
|
---|
4558 | * Emits code for two complement negation of a 64-bit GPR.
|
---|
4559 | */
|
---|
4560 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4561 | iemNativeEmitNegGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst)
|
---|
4562 | {
|
---|
4563 | #if defined(RT_ARCH_AMD64)
|
---|
4564 | /* neg Ev */
|
---|
4565 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
4566 | pCodeBuf[off++] = 0xf7;
|
---|
4567 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 3, iGprDst & 7);
|
---|
4568 |
|
---|
4569 | #elif defined(RT_ARCH_ARM64)
|
---|
4570 | /* sub dst, xzr, dst */
|
---|
4571 | pCodeBuf[off++] = Armv8A64MkInstrNeg(iGprDst);
|
---|
4572 |
|
---|
4573 | #else
|
---|
4574 | # error "Port me"
|
---|
4575 | #endif
|
---|
4576 | return off;
|
---|
4577 | }
|
---|
4578 |
|
---|
4579 |
|
---|
4580 | /**
|
---|
4581 | * Emits code for two complement negation of a 64-bit GPR.
|
---|
4582 | */
|
---|
4583 | DECL_INLINE_THROW(uint32_t)
|
---|
4584 | iemNativeEmitNegGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst)
|
---|
4585 | {
|
---|
4586 | #if defined(RT_ARCH_AMD64)
|
---|
4587 | off = iemNativeEmitNegGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst);
|
---|
4588 | #elif defined(RT_ARCH_ARM64)
|
---|
4589 | off = iemNativeEmitNegGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst);
|
---|
4590 | #else
|
---|
4591 | # error "Port me"
|
---|
4592 | #endif
|
---|
4593 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4594 | return off;
|
---|
4595 | }
|
---|
4596 |
|
---|
4597 |
|
---|
4598 | /**
|
---|
4599 | * Emits code for two complement negation of a 32-bit GPR.
|
---|
4600 | * @note bit 32 thru 63 are set to zero.
|
---|
4601 | */
|
---|
4602 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4603 | iemNativeEmitNegGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst)
|
---|
4604 | {
|
---|
4605 | #if defined(RT_ARCH_AMD64)
|
---|
4606 | /* neg Ev */
|
---|
4607 | if (iGprDst >= 8)
|
---|
4608 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4609 | pCodeBuf[off++] = 0xf7;
|
---|
4610 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 3, iGprDst & 7);
|
---|
4611 |
|
---|
4612 | #elif defined(RT_ARCH_ARM64)
|
---|
4613 | /* sub dst, xzr, dst */
|
---|
4614 | pCodeBuf[off++] = Armv8A64MkInstrNeg(iGprDst, false /*f64Bit*/);
|
---|
4615 |
|
---|
4616 | #else
|
---|
4617 | # error "Port me"
|
---|
4618 | #endif
|
---|
4619 | return off;
|
---|
4620 | }
|
---|
4621 |
|
---|
4622 |
|
---|
4623 | /**
|
---|
4624 | * Emits code for two complement negation of a 32-bit GPR.
|
---|
4625 | * @note bit 32 thru 63 are set to zero.
|
---|
4626 | */
|
---|
4627 | DECL_INLINE_THROW(uint32_t)
|
---|
4628 | iemNativeEmitNegGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst)
|
---|
4629 | {
|
---|
4630 | #if defined(RT_ARCH_AMD64)
|
---|
4631 | off = iemNativeEmitNegGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst);
|
---|
4632 | #elif defined(RT_ARCH_ARM64)
|
---|
4633 | off = iemNativeEmitNegGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst);
|
---|
4634 | #else
|
---|
4635 | # error "Port me"
|
---|
4636 | #endif
|
---|
4637 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4638 | return off;
|
---|
4639 | }
|
---|
4640 |
|
---|
4641 |
|
---|
4642 |
|
---|
4643 | /*********************************************************************************************************************************
|
---|
4644 | * Bit Operations *
|
---|
4645 | *********************************************************************************************************************************/
|
---|
4646 |
|
---|
4647 | /**
|
---|
4648 | * Emits code for clearing bits 16 thru 63 in the GPR.
|
---|
4649 | */
|
---|
4650 | DECL_INLINE_THROW(uint32_t)
|
---|
4651 | iemNativeEmitClear16UpGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst)
|
---|
4652 | {
|
---|
4653 | #if defined(RT_ARCH_AMD64)
|
---|
4654 | /* movzx Gv,Ew */
|
---|
4655 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
4656 | if (iGprDst >= 8)
|
---|
4657 | pbCodeBuf[off++] = X86_OP_REX_B | X86_OP_REX_R;
|
---|
4658 | pbCodeBuf[off++] = 0x0f;
|
---|
4659 | pbCodeBuf[off++] = 0xb7;
|
---|
4660 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprDst & 7);
|
---|
4661 |
|
---|
4662 | #elif defined(RT_ARCH_ARM64)
|
---|
4663 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4664 | # if 1
|
---|
4665 | pu32CodeBuf[off++] = Armv8A64MkInstrUxth(iGprDst, iGprDst);
|
---|
4666 | # else
|
---|
4667 | ///* This produces 0xffff; 0x4f: N=1 imms=001111 (immr=0) => size=64 length=15 */
|
---|
4668 | //pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 0x4f);
|
---|
4669 | # endif
|
---|
4670 | #else
|
---|
4671 | # error "Port me"
|
---|
4672 | #endif
|
---|
4673 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4674 | return off;
|
---|
4675 | }
|
---|
4676 |
|
---|
4677 |
|
---|
4678 | /**
|
---|
4679 | * Emits code for AND'ing two 64-bit GPRs.
|
---|
4680 | *
|
---|
4681 | * @note When fSetFlags=true, JZ/JNZ jumps can be used afterwards on both AMD64
|
---|
4682 | * and ARM64 hosts.
|
---|
4683 | */
|
---|
4684 | DECL_FORCE_INLINE(uint32_t)
|
---|
4685 | iemNativeEmitAndGprByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4686 | {
|
---|
4687 | #if defined(RT_ARCH_AMD64)
|
---|
4688 | /* and Gv, Ev */
|
---|
4689 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
4690 | pCodeBuf[off++] = 0x23;
|
---|
4691 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
4692 | RT_NOREF(fSetFlags);
|
---|
4693 |
|
---|
4694 | #elif defined(RT_ARCH_ARM64)
|
---|
4695 | if (!fSetFlags)
|
---|
4696 | pCodeBuf[off++] = Armv8A64MkInstrAnd(iGprDst, iGprDst, iGprSrc);
|
---|
4697 | else
|
---|
4698 | pCodeBuf[off++] = Armv8A64MkInstrAnds(iGprDst, iGprDst, iGprSrc);
|
---|
4699 |
|
---|
4700 | #else
|
---|
4701 | # error "Port me"
|
---|
4702 | #endif
|
---|
4703 | return off;
|
---|
4704 | }
|
---|
4705 |
|
---|
4706 |
|
---|
4707 | /**
|
---|
4708 | * Emits code for AND'ing two 64-bit GPRs.
|
---|
4709 | *
|
---|
4710 | * @note When fSetFlags=true, JZ/JNZ jumps can be used afterwards on both AMD64
|
---|
4711 | * and ARM64 hosts.
|
---|
4712 | */
|
---|
4713 | DECL_INLINE_THROW(uint32_t)
|
---|
4714 | iemNativeEmitAndGprByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4715 | {
|
---|
4716 | #if defined(RT_ARCH_AMD64)
|
---|
4717 | off = iemNativeEmitAndGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4718 | #elif defined(RT_ARCH_ARM64)
|
---|
4719 | off = iemNativeEmitAndGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4720 | #else
|
---|
4721 | # error "Port me"
|
---|
4722 | #endif
|
---|
4723 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4724 | return off;
|
---|
4725 | }
|
---|
4726 |
|
---|
4727 |
|
---|
4728 | /**
|
---|
4729 | * Emits code for AND'ing two 32-bit GPRs.
|
---|
4730 | */
|
---|
4731 | DECL_FORCE_INLINE(uint32_t)
|
---|
4732 | iemNativeEmitAndGpr32ByGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4733 | {
|
---|
4734 | #if defined(RT_ARCH_AMD64)
|
---|
4735 | /* and Gv, Ev */
|
---|
4736 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
4737 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
4738 | pCodeBuf[off++] = 0x23;
|
---|
4739 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
4740 | RT_NOREF(fSetFlags);
|
---|
4741 |
|
---|
4742 | #elif defined(RT_ARCH_ARM64)
|
---|
4743 | if (!fSetFlags)
|
---|
4744 | pCodeBuf[off++] = Armv8A64MkInstrAnd(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
4745 | else
|
---|
4746 | pCodeBuf[off++] = Armv8A64MkInstrAnds(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
4747 |
|
---|
4748 | #else
|
---|
4749 | # error "Port me"
|
---|
4750 | #endif
|
---|
4751 | return off;
|
---|
4752 | }
|
---|
4753 |
|
---|
4754 |
|
---|
4755 | /**
|
---|
4756 | * Emits code for AND'ing two 32-bit GPRs.
|
---|
4757 | */
|
---|
4758 | DECL_INLINE_THROW(uint32_t)
|
---|
4759 | iemNativeEmitAndGpr32ByGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4760 | {
|
---|
4761 | #if defined(RT_ARCH_AMD64)
|
---|
4762 | off = iemNativeEmitAndGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4763 | #elif defined(RT_ARCH_ARM64)
|
---|
4764 | off = iemNativeEmitAndGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4765 | #else
|
---|
4766 | # error "Port me"
|
---|
4767 | #endif
|
---|
4768 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4769 | return off;
|
---|
4770 | }
|
---|
4771 |
|
---|
4772 |
|
---|
4773 | /**
|
---|
4774 | * Emits code for AND'ing a 64-bit GPRs with a constant.
|
---|
4775 | *
|
---|
4776 | * @note When fSetFlags=true, JZ/JNZ jumps can be used afterwards on both AMD64
|
---|
4777 | * and ARM64 hosts.
|
---|
4778 | */
|
---|
4779 | DECL_INLINE_THROW(uint32_t)
|
---|
4780 | iemNativeEmitAndGprByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint64_t uImm, bool fSetFlags = false)
|
---|
4781 | {
|
---|
4782 | #if defined(RT_ARCH_AMD64)
|
---|
4783 | if ((int64_t)uImm == (int8_t)uImm)
|
---|
4784 | {
|
---|
4785 | /* and Ev, imm8 */
|
---|
4786 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
4787 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
4788 | pbCodeBuf[off++] = 0x83;
|
---|
4789 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4790 | pbCodeBuf[off++] = (uint8_t)uImm;
|
---|
4791 | }
|
---|
4792 | else if ((int64_t)uImm == (int32_t)uImm)
|
---|
4793 | {
|
---|
4794 | /* and Ev, imm32 */
|
---|
4795 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
4796 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
4797 | pbCodeBuf[off++] = 0x81;
|
---|
4798 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4799 | pbCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
4800 | pbCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
4801 | pbCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
4802 | pbCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
4803 | }
|
---|
4804 | else
|
---|
4805 | {
|
---|
4806 | /* Use temporary register for the 64-bit immediate. */
|
---|
4807 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
4808 | off = iemNativeEmitAndGprByGpr(pReNative, off, iGprDst, iTmpReg);
|
---|
4809 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4810 | }
|
---|
4811 | RT_NOREF(fSetFlags);
|
---|
4812 |
|
---|
4813 | #elif defined(RT_ARCH_ARM64)
|
---|
4814 | uint32_t uImmR = 0;
|
---|
4815 | uint32_t uImmNandS = 0;
|
---|
4816 | if (Armv8A64ConvertMask64ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4817 | {
|
---|
4818 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4819 | if (!fSetFlags)
|
---|
4820 | pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, uImmNandS, uImmR);
|
---|
4821 | else
|
---|
4822 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprDst, uImmNandS, uImmR);
|
---|
4823 | }
|
---|
4824 | else
|
---|
4825 | {
|
---|
4826 | /* Use temporary register for the 64-bit immediate. */
|
---|
4827 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
4828 | off = iemNativeEmitAndGprByGpr(pReNative, off, iGprDst, iTmpReg, fSetFlags);
|
---|
4829 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4830 | }
|
---|
4831 |
|
---|
4832 | #else
|
---|
4833 | # error "Port me"
|
---|
4834 | #endif
|
---|
4835 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4836 | return off;
|
---|
4837 | }
|
---|
4838 |
|
---|
4839 |
|
---|
4840 | /**
|
---|
4841 | * Emits code for AND'ing an 32-bit GPRs with a constant.
|
---|
4842 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
4843 | * @note For ARM64 this only supports @a uImm values that can be expressed using
|
---|
4844 | * the two 6-bit immediates of the AND/ANDS instructions. The caller must
|
---|
4845 | * make sure this is possible!
|
---|
4846 | */
|
---|
4847 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4848 | iemNativeEmitAndGpr32ByImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint32_t uImm, bool fSetFlags = false)
|
---|
4849 | {
|
---|
4850 | #if defined(RT_ARCH_AMD64)
|
---|
4851 | /* and Ev, imm */
|
---|
4852 | if (iGprDst >= 8)
|
---|
4853 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4854 | if ((int32_t)uImm == (int8_t)uImm)
|
---|
4855 | {
|
---|
4856 | pCodeBuf[off++] = 0x83;
|
---|
4857 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4858 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
4859 | }
|
---|
4860 | else
|
---|
4861 | {
|
---|
4862 | pCodeBuf[off++] = 0x81;
|
---|
4863 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4864 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
4865 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
4866 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
4867 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
4868 | }
|
---|
4869 | RT_NOREF(fSetFlags);
|
---|
4870 |
|
---|
4871 | #elif defined(RT_ARCH_ARM64)
|
---|
4872 | uint32_t uImmR = 0;
|
---|
4873 | uint32_t uImmNandS = 0;
|
---|
4874 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4875 | {
|
---|
4876 | if (!fSetFlags)
|
---|
4877 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4878 | else
|
---|
4879 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4880 | }
|
---|
4881 | else
|
---|
4882 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4883 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4884 | # else
|
---|
4885 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4886 | # endif
|
---|
4887 |
|
---|
4888 | #else
|
---|
4889 | # error "Port me"
|
---|
4890 | #endif
|
---|
4891 | return off;
|
---|
4892 | }
|
---|
4893 |
|
---|
4894 |
|
---|
4895 | /**
|
---|
4896 | * Emits code for AND'ing an 32-bit GPRs with a constant.
|
---|
4897 | *
|
---|
4898 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
4899 | */
|
---|
4900 | DECL_INLINE_THROW(uint32_t)
|
---|
4901 | iemNativeEmitAndGpr32ByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t uImm, bool fSetFlags = false)
|
---|
4902 | {
|
---|
4903 | #if defined(RT_ARCH_AMD64)
|
---|
4904 | off = iemNativeEmitAndGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, uImm, fSetFlags);
|
---|
4905 |
|
---|
4906 | #elif defined(RT_ARCH_ARM64)
|
---|
4907 | uint32_t uImmR = 0;
|
---|
4908 | uint32_t uImmNandS = 0;
|
---|
4909 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4910 | {
|
---|
4911 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4912 | if (!fSetFlags)
|
---|
4913 | pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4914 | else
|
---|
4915 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4916 | }
|
---|
4917 | else
|
---|
4918 | {
|
---|
4919 | /* Use temporary register for the 64-bit immediate. */
|
---|
4920 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
4921 | off = iemNativeEmitAndGpr32ByGpr32(pReNative, off, iGprDst, iTmpReg, fSetFlags);
|
---|
4922 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4923 | }
|
---|
4924 |
|
---|
4925 | #else
|
---|
4926 | # error "Port me"
|
---|
4927 | #endif
|
---|
4928 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4929 | return off;
|
---|
4930 | }
|
---|
4931 |
|
---|
4932 |
|
---|
4933 | /**
|
---|
4934 | * Emits code for AND'ing an 64-bit GPRs with a constant.
|
---|
4935 | *
|
---|
4936 | * @note For ARM64 any complicated immediates w/o a AND/ANDS compatible
|
---|
4937 | * encoding will assert / throw exception if @a iGprDst and @a iGprSrc are
|
---|
4938 | * the same.
|
---|
4939 | */
|
---|
4940 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4941 | iemNativeEmitGprEqGprAndImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint64_t uImm,
|
---|
4942 | bool fSetFlags = false)
|
---|
4943 | {
|
---|
4944 | #if defined(RT_ARCH_AMD64)
|
---|
4945 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
4946 | off = iemNativeEmitAndGprByGprEx(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
4947 | RT_NOREF(fSetFlags);
|
---|
4948 |
|
---|
4949 | #elif defined(RT_ARCH_ARM64)
|
---|
4950 | uint32_t uImmR = 0;
|
---|
4951 | uint32_t uImmNandS = 0;
|
---|
4952 | if (Armv8A64ConvertMask64ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4953 | {
|
---|
4954 | if (!fSetFlags)
|
---|
4955 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, uImmNandS, uImmR);
|
---|
4956 | else
|
---|
4957 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprSrc, uImmNandS, uImmR);
|
---|
4958 | }
|
---|
4959 | else if (iGprDst != iGprSrc)
|
---|
4960 | {
|
---|
4961 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
4962 | off = iemNativeEmitAndGprByGprEx(pCodeBuf, off, iGprDst, iGprSrc, fSetFlags);
|
---|
4963 | }
|
---|
4964 | else
|
---|
4965 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4966 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4967 | # else
|
---|
4968 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4969 | # endif
|
---|
4970 |
|
---|
4971 | #else
|
---|
4972 | # error "Port me"
|
---|
4973 | #endif
|
---|
4974 | return off;
|
---|
4975 | }
|
---|
4976 |
|
---|
4977 | /**
|
---|
4978 | * Emits code for AND'ing an 32-bit GPRs with a constant.
|
---|
4979 | *
|
---|
4980 | * @note For ARM64 any complicated immediates w/o a AND/ANDS compatible
|
---|
4981 | * encoding will assert / throw exception if @a iGprDst and @a iGprSrc are
|
---|
4982 | * the same.
|
---|
4983 | *
|
---|
4984 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
4985 | */
|
---|
4986 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4987 | iemNativeEmitGpr32EqGprAndImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint32_t uImm,
|
---|
4988 | bool fSetFlags = false)
|
---|
4989 | {
|
---|
4990 | #if defined(RT_ARCH_AMD64)
|
---|
4991 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
4992 | off = iemNativeEmitAndGpr32ByGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
4993 | RT_NOREF(fSetFlags);
|
---|
4994 |
|
---|
4995 | #elif defined(RT_ARCH_ARM64)
|
---|
4996 | uint32_t uImmR = 0;
|
---|
4997 | uint32_t uImmNandS = 0;
|
---|
4998 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4999 | {
|
---|
5000 | if (!fSetFlags)
|
---|
5001 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5002 | else
|
---|
5003 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5004 | }
|
---|
5005 | else if (iGprDst != iGprSrc)
|
---|
5006 | {
|
---|
5007 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
5008 | off = iemNativeEmitAndGpr32ByGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc, fSetFlags);
|
---|
5009 | }
|
---|
5010 | else
|
---|
5011 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5012 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5013 | # else
|
---|
5014 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5015 | # endif
|
---|
5016 |
|
---|
5017 | #else
|
---|
5018 | # error "Port me"
|
---|
5019 | #endif
|
---|
5020 | return off;
|
---|
5021 | }
|
---|
5022 |
|
---|
5023 |
|
---|
5024 | /**
|
---|
5025 | * Emits code for OR'ing two 64-bit GPRs.
|
---|
5026 | */
|
---|
5027 | DECL_FORCE_INLINE(uint32_t)
|
---|
5028 | iemNativeEmitOrGprByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5029 | {
|
---|
5030 | #if defined(RT_ARCH_AMD64)
|
---|
5031 | /* or Gv, Ev */
|
---|
5032 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5033 | pCodeBuf[off++] = 0x0b;
|
---|
5034 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5035 |
|
---|
5036 | #elif defined(RT_ARCH_ARM64)
|
---|
5037 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprDst, iGprSrc);
|
---|
5038 |
|
---|
5039 | #else
|
---|
5040 | # error "Port me"
|
---|
5041 | #endif
|
---|
5042 | return off;
|
---|
5043 | }
|
---|
5044 |
|
---|
5045 |
|
---|
5046 | /**
|
---|
5047 | * Emits code for OR'ing two 64-bit GPRs.
|
---|
5048 | */
|
---|
5049 | DECL_INLINE_THROW(uint32_t)
|
---|
5050 | iemNativeEmitOrGprByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5051 | {
|
---|
5052 | #if defined(RT_ARCH_AMD64)
|
---|
5053 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5054 | #elif defined(RT_ARCH_ARM64)
|
---|
5055 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5056 | #else
|
---|
5057 | # error "Port me"
|
---|
5058 | #endif
|
---|
5059 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5060 | return off;
|
---|
5061 | }
|
---|
5062 |
|
---|
5063 |
|
---|
5064 | /**
|
---|
5065 | * Emits code for OR'ing two 32-bit GPRs.
|
---|
5066 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5067 | */
|
---|
5068 | DECL_FORCE_INLINE(uint32_t)
|
---|
5069 | iemNativeEmitOrGpr32ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5070 | {
|
---|
5071 | #if defined(RT_ARCH_AMD64)
|
---|
5072 | /* or Gv, Ev */
|
---|
5073 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
5074 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5075 | pCodeBuf[off++] = 0x0b;
|
---|
5076 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5077 |
|
---|
5078 | #elif defined(RT_ARCH_ARM64)
|
---|
5079 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
5080 |
|
---|
5081 | #else
|
---|
5082 | # error "Port me"
|
---|
5083 | #endif
|
---|
5084 | return off;
|
---|
5085 | }
|
---|
5086 |
|
---|
5087 |
|
---|
5088 | /**
|
---|
5089 | * Emits code for OR'ing two 32-bit GPRs.
|
---|
5090 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5091 | */
|
---|
5092 | DECL_INLINE_THROW(uint32_t)
|
---|
5093 | iemNativeEmitOrGpr32ByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5094 | {
|
---|
5095 | #if defined(RT_ARCH_AMD64)
|
---|
5096 | off = iemNativeEmitOrGpr32ByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5097 | #elif defined(RT_ARCH_ARM64)
|
---|
5098 | off = iemNativeEmitOrGpr32ByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5099 | #else
|
---|
5100 | # error "Port me"
|
---|
5101 | #endif
|
---|
5102 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5103 | return off;
|
---|
5104 | }
|
---|
5105 |
|
---|
5106 |
|
---|
5107 | /**
|
---|
5108 | * Emits code for OR'ing a 64-bit GPRs with a constant.
|
---|
5109 | */
|
---|
5110 | DECL_INLINE_THROW(uint32_t)
|
---|
5111 | iemNativeEmitOrGprByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint64_t uImm)
|
---|
5112 | {
|
---|
5113 | #if defined(RT_ARCH_AMD64)
|
---|
5114 | if ((int64_t)uImm == (int8_t)uImm)
|
---|
5115 | {
|
---|
5116 | /* or Ev, imm8 */
|
---|
5117 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
5118 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
5119 | pbCodeBuf[off++] = 0x83;
|
---|
5120 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5121 | pbCodeBuf[off++] = (uint8_t)uImm;
|
---|
5122 | }
|
---|
5123 | else if ((int64_t)uImm == (int32_t)uImm)
|
---|
5124 | {
|
---|
5125 | /* or Ev, imm32 */
|
---|
5126 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
5127 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
5128 | pbCodeBuf[off++] = 0x81;
|
---|
5129 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5130 | pbCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
5131 | pbCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
5132 | pbCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
5133 | pbCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
5134 | }
|
---|
5135 | else
|
---|
5136 | {
|
---|
5137 | /* Use temporary register for the 64-bit immediate. */
|
---|
5138 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
5139 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iTmpReg);
|
---|
5140 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5141 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
5142 | }
|
---|
5143 |
|
---|
5144 | #elif defined(RT_ARCH_ARM64)
|
---|
5145 | uint32_t uImmR = 0;
|
---|
5146 | uint32_t uImmNandS = 0;
|
---|
5147 | if (Armv8A64ConvertMask64ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5148 | {
|
---|
5149 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5150 | pu32CodeBuf[off++] = Armv8A64MkInstrOrrImm(iGprDst, iGprDst, uImmNandS, uImmR);
|
---|
5151 | }
|
---|
5152 | else
|
---|
5153 | {
|
---|
5154 | /* Use temporary register for the 64-bit immediate. */
|
---|
5155 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
5156 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iTmpReg);
|
---|
5157 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5158 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
5159 | }
|
---|
5160 |
|
---|
5161 | #else
|
---|
5162 | # error "Port me"
|
---|
5163 | #endif
|
---|
5164 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5165 | return off;
|
---|
5166 | }
|
---|
5167 |
|
---|
5168 |
|
---|
5169 | /**
|
---|
5170 | * Emits code for OR'ing an 32-bit GPRs with a constant.
|
---|
5171 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5172 | * @note For ARM64 this only supports @a uImm values that can be expressed using
|
---|
5173 | * the two 6-bit immediates of the OR instructions. The caller must make
|
---|
5174 | * sure this is possible!
|
---|
5175 | */
|
---|
5176 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
5177 | iemNativeEmitOrGpr32ByImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5178 | {
|
---|
5179 | #if defined(RT_ARCH_AMD64)
|
---|
5180 | /* or Ev, imm */
|
---|
5181 | if (iGprDst >= 8)
|
---|
5182 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5183 | if ((int32_t)uImm == (int8_t)uImm)
|
---|
5184 | {
|
---|
5185 | pCodeBuf[off++] = 0x83;
|
---|
5186 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5187 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
5188 | }
|
---|
5189 | else
|
---|
5190 | {
|
---|
5191 | pCodeBuf[off++] = 0x81;
|
---|
5192 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5193 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
5194 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
5195 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
5196 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
5197 | }
|
---|
5198 |
|
---|
5199 | #elif defined(RT_ARCH_ARM64)
|
---|
5200 | uint32_t uImmR = 0;
|
---|
5201 | uint32_t uImmNandS = 0;
|
---|
5202 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5203 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5204 | else
|
---|
5205 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5206 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5207 | # else
|
---|
5208 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5209 | # endif
|
---|
5210 |
|
---|
5211 | #else
|
---|
5212 | # error "Port me"
|
---|
5213 | #endif
|
---|
5214 | return off;
|
---|
5215 | }
|
---|
5216 |
|
---|
5217 |
|
---|
5218 | /**
|
---|
5219 | * Emits code for OR'ing an 32-bit GPRs with a constant.
|
---|
5220 | *
|
---|
5221 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5222 | */
|
---|
5223 | DECL_INLINE_THROW(uint32_t)
|
---|
5224 | iemNativeEmitOrGpr32ByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5225 | {
|
---|
5226 | #if defined(RT_ARCH_AMD64)
|
---|
5227 | off = iemNativeEmitOrGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, uImm);
|
---|
5228 |
|
---|
5229 | #elif defined(RT_ARCH_ARM64)
|
---|
5230 | uint32_t uImmR = 0;
|
---|
5231 | uint32_t uImmNandS = 0;
|
---|
5232 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5233 | {
|
---|
5234 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5235 | pu32CodeBuf[off++] = Armv8A64MkInstrOrrImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5236 | }
|
---|
5237 | else
|
---|
5238 | {
|
---|
5239 | /* Use temporary register for the 64-bit immediate. */
|
---|
5240 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
5241 | off = iemNativeEmitOrGpr32ByGpr(pReNative, off, iGprDst, iTmpReg);
|
---|
5242 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
5243 | }
|
---|
5244 |
|
---|
5245 | #else
|
---|
5246 | # error "Port me"
|
---|
5247 | #endif
|
---|
5248 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5249 | return off;
|
---|
5250 | }
|
---|
5251 |
|
---|
5252 |
|
---|
5253 |
|
---|
5254 | /**
|
---|
5255 | * ORs two 64-bit GPRs together, storing the result in a third register.
|
---|
5256 | */
|
---|
5257 | DECL_FORCE_INLINE(uint32_t)
|
---|
5258 | iemNativeEmitGprEqGprOrGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc1, uint8_t iGprSrc2)
|
---|
5259 | {
|
---|
5260 | #ifdef RT_ARCH_AMD64
|
---|
5261 | if (iGprDst != iGprSrc1 && iGprDst != iGprSrc2)
|
---|
5262 | {
|
---|
5263 | /** @todo consider LEA */
|
---|
5264 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprSrc1);
|
---|
5265 | off = iemNativeEmitOrGprByGprEx(pCodeBuf, off, iGprDst, iGprSrc2);
|
---|
5266 | }
|
---|
5267 | else
|
---|
5268 | off = iemNativeEmitOrGprByGprEx(pCodeBuf, off, iGprDst, iGprDst != iGprSrc1 ? iGprSrc1 : iGprSrc2);
|
---|
5269 |
|
---|
5270 | #elif defined(RT_ARCH_ARM64)
|
---|
5271 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprSrc1, iGprSrc2);
|
---|
5272 |
|
---|
5273 | #else
|
---|
5274 | # error "Port me!"
|
---|
5275 | #endif
|
---|
5276 | return off;
|
---|
5277 | }
|
---|
5278 |
|
---|
5279 |
|
---|
5280 |
|
---|
5281 | /**
|
---|
5282 | * Ors two 32-bit GPRs together, storing the result in a third register.
|
---|
5283 | * @note Bits 32 thru 63 in @a iGprDst will be zero after the operation.
|
---|
5284 | */
|
---|
5285 | DECL_FORCE_INLINE(uint32_t)
|
---|
5286 | iemNativeEmitGpr32EqGprOrGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc1, uint8_t iGprSrc2)
|
---|
5287 | {
|
---|
5288 | #ifdef RT_ARCH_AMD64
|
---|
5289 | if (iGprDst != iGprSrc1 && iGprDst != iGprSrc2)
|
---|
5290 | {
|
---|
5291 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc1);
|
---|
5292 | off = iemNativeEmitOrGpr32ByGprEx(pCodeBuf, off, iGprDst, iGprSrc2);
|
---|
5293 | }
|
---|
5294 | else
|
---|
5295 | off = iemNativeEmitOrGpr32ByGprEx(pCodeBuf, off, iGprDst, iGprDst != iGprSrc1 ? iGprSrc1 : iGprSrc2);
|
---|
5296 |
|
---|
5297 | #elif defined(RT_ARCH_ARM64)
|
---|
5298 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprSrc1, iGprSrc2, false /*f64Bit*/);
|
---|
5299 |
|
---|
5300 | #else
|
---|
5301 | # error "Port me!"
|
---|
5302 | #endif
|
---|
5303 | return off;
|
---|
5304 | }
|
---|
5305 |
|
---|
5306 |
|
---|
5307 | /**
|
---|
5308 | * Emits code for XOR'ing two 64-bit GPRs.
|
---|
5309 | */
|
---|
5310 | DECL_INLINE_THROW(uint32_t)
|
---|
5311 | iemNativeEmitXorGprByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5312 | {
|
---|
5313 | #if defined(RT_ARCH_AMD64)
|
---|
5314 | /* and Gv, Ev */
|
---|
5315 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5316 | pCodeBuf[off++] = 0x33;
|
---|
5317 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5318 |
|
---|
5319 | #elif defined(RT_ARCH_ARM64)
|
---|
5320 | pCodeBuf[off++] = Armv8A64MkInstrEor(iGprDst, iGprDst, iGprSrc);
|
---|
5321 |
|
---|
5322 | #else
|
---|
5323 | # error "Port me"
|
---|
5324 | #endif
|
---|
5325 | return off;
|
---|
5326 | }
|
---|
5327 |
|
---|
5328 |
|
---|
5329 | /**
|
---|
5330 | * Emits code for XOR'ing two 64-bit GPRs.
|
---|
5331 | */
|
---|
5332 | DECL_INLINE_THROW(uint32_t)
|
---|
5333 | iemNativeEmitXorGprByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5334 | {
|
---|
5335 | #if defined(RT_ARCH_AMD64)
|
---|
5336 | off = iemNativeEmitXorGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5337 | #elif defined(RT_ARCH_ARM64)
|
---|
5338 | off = iemNativeEmitXorGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5339 | #else
|
---|
5340 | # error "Port me"
|
---|
5341 | #endif
|
---|
5342 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5343 | return off;
|
---|
5344 | }
|
---|
5345 |
|
---|
5346 |
|
---|
5347 | /**
|
---|
5348 | * Emits code for XOR'ing two 32-bit GPRs.
|
---|
5349 | */
|
---|
5350 | DECL_INLINE_THROW(uint32_t)
|
---|
5351 | iemNativeEmitXorGpr32ByGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5352 | {
|
---|
5353 | #if defined(RT_ARCH_AMD64)
|
---|
5354 | /* and Gv, Ev */
|
---|
5355 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
5356 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5357 | pCodeBuf[off++] = 0x33;
|
---|
5358 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5359 |
|
---|
5360 | #elif defined(RT_ARCH_ARM64)
|
---|
5361 | pCodeBuf[off++] = Armv8A64MkInstrEor(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
5362 |
|
---|
5363 | #else
|
---|
5364 | # error "Port me"
|
---|
5365 | #endif
|
---|
5366 | return off;
|
---|
5367 | }
|
---|
5368 |
|
---|
5369 |
|
---|
5370 | /**
|
---|
5371 | * Emits code for XOR'ing two 32-bit GPRs.
|
---|
5372 | */
|
---|
5373 | DECL_INLINE_THROW(uint32_t)
|
---|
5374 | iemNativeEmitXorGpr32ByGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5375 | {
|
---|
5376 | #if defined(RT_ARCH_AMD64)
|
---|
5377 | off = iemNativeEmitXorGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5378 | #elif defined(RT_ARCH_ARM64)
|
---|
5379 | off = iemNativeEmitXorGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5380 | #else
|
---|
5381 | # error "Port me"
|
---|
5382 | #endif
|
---|
5383 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5384 | return off;
|
---|
5385 | }
|
---|
5386 |
|
---|
5387 |
|
---|
5388 | /**
|
---|
5389 | * Emits code for XOR'ing an 32-bit GPRs with a constant.
|
---|
5390 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5391 | * @note For ARM64 this only supports @a uImm values that can be expressed using
|
---|
5392 | * the two 6-bit immediates of the EOR instructions. The caller must make
|
---|
5393 | * sure this is possible!
|
---|
5394 | */
|
---|
5395 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
5396 | iemNativeEmitXorGpr32ByImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5397 | {
|
---|
5398 | #if defined(RT_ARCH_AMD64)
|
---|
5399 | /* and Ev, imm */
|
---|
5400 | if (iGprDst >= 8)
|
---|
5401 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5402 | if ((int32_t)uImm == (int8_t)uImm)
|
---|
5403 | {
|
---|
5404 | pCodeBuf[off++] = 0x83;
|
---|
5405 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 6, iGprDst & 7);
|
---|
5406 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
5407 | }
|
---|
5408 | else
|
---|
5409 | {
|
---|
5410 | pCodeBuf[off++] = 0x81;
|
---|
5411 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 6, iGprDst & 7);
|
---|
5412 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
5413 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
5414 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
5415 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
5416 | }
|
---|
5417 |
|
---|
5418 | #elif defined(RT_ARCH_ARM64)
|
---|
5419 | uint32_t uImmR = 0;
|
---|
5420 | uint32_t uImmNandS = 0;
|
---|
5421 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5422 | pCodeBuf[off++] = Armv8A64MkInstrEorImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5423 | else
|
---|
5424 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5425 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5426 | # else
|
---|
5427 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5428 | # endif
|
---|
5429 |
|
---|
5430 | #else
|
---|
5431 | # error "Port me"
|
---|
5432 | #endif
|
---|
5433 | return off;
|
---|
5434 | }
|
---|
5435 |
|
---|
5436 |
|
---|
5437 | /**
|
---|
5438 | * Emits code for XOR'ing two 32-bit GPRs.
|
---|
5439 | */
|
---|
5440 | DECL_INLINE_THROW(uint32_t)
|
---|
5441 | iemNativeEmitXorGpr32ByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5442 | {
|
---|
5443 | #if defined(RT_ARCH_AMD64)
|
---|
5444 | off = iemNativeEmitXorGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, uImm);
|
---|
5445 | #elif defined(RT_ARCH_ARM64)
|
---|
5446 | off = iemNativeEmitXorGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, uImm);
|
---|
5447 | #else
|
---|
5448 | # error "Port me"
|
---|
5449 | #endif
|
---|
5450 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5451 | return off;
|
---|
5452 | }
|
---|
5453 |
|
---|
5454 |
|
---|
5455 | /*********************************************************************************************************************************
|
---|
5456 | * Shifting *
|
---|
5457 | *********************************************************************************************************************************/
|
---|
5458 |
|
---|
5459 | /**
|
---|
5460 | * Emits code for shifting a GPR a fixed number of bits to the left.
|
---|
5461 | */
|
---|
5462 | DECL_FORCE_INLINE(uint32_t)
|
---|
5463 | iemNativeEmitShiftGprLeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5464 | {
|
---|
5465 | Assert(cShift > 0 && cShift < 64);
|
---|
5466 |
|
---|
5467 | #if defined(RT_ARCH_AMD64)
|
---|
5468 | /* shl dst, cShift */
|
---|
5469 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5470 | if (cShift != 1)
|
---|
5471 | {
|
---|
5472 | pCodeBuf[off++] = 0xc1;
|
---|
5473 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5474 | pCodeBuf[off++] = cShift;
|
---|
5475 | }
|
---|
5476 | else
|
---|
5477 | {
|
---|
5478 | pCodeBuf[off++] = 0xd1;
|
---|
5479 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5480 | }
|
---|
5481 |
|
---|
5482 | #elif defined(RT_ARCH_ARM64)
|
---|
5483 | pCodeBuf[off++] = Armv8A64MkInstrLslImm(iGprDst, iGprDst, cShift);
|
---|
5484 |
|
---|
5485 | #else
|
---|
5486 | # error "Port me"
|
---|
5487 | #endif
|
---|
5488 | return off;
|
---|
5489 | }
|
---|
5490 |
|
---|
5491 |
|
---|
5492 | /**
|
---|
5493 | * Emits code for shifting a GPR a fixed number of bits to the left.
|
---|
5494 | */
|
---|
5495 | DECL_INLINE_THROW(uint32_t)
|
---|
5496 | iemNativeEmitShiftGprLeft(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5497 | {
|
---|
5498 | #if defined(RT_ARCH_AMD64)
|
---|
5499 | off = iemNativeEmitShiftGprLeftEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5500 | #elif defined(RT_ARCH_ARM64)
|
---|
5501 | off = iemNativeEmitShiftGprLeftEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5502 | #else
|
---|
5503 | # error "Port me"
|
---|
5504 | #endif
|
---|
5505 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5506 | return off;
|
---|
5507 | }
|
---|
5508 |
|
---|
5509 |
|
---|
5510 | /**
|
---|
5511 | * Emits code for shifting a 32-bit GPR a fixed number of bits to the left.
|
---|
5512 | */
|
---|
5513 | DECL_FORCE_INLINE(uint32_t)
|
---|
5514 | iemNativeEmitShiftGpr32LeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5515 | {
|
---|
5516 | Assert(cShift > 0 && cShift < 32);
|
---|
5517 |
|
---|
5518 | #if defined(RT_ARCH_AMD64)
|
---|
5519 | /* shl dst, cShift */
|
---|
5520 | if (iGprDst >= 8)
|
---|
5521 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5522 | if (cShift != 1)
|
---|
5523 | {
|
---|
5524 | pCodeBuf[off++] = 0xc1;
|
---|
5525 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5526 | pCodeBuf[off++] = cShift;
|
---|
5527 | }
|
---|
5528 | else
|
---|
5529 | {
|
---|
5530 | pCodeBuf[off++] = 0xd1;
|
---|
5531 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5532 | }
|
---|
5533 |
|
---|
5534 | #elif defined(RT_ARCH_ARM64)
|
---|
5535 | pCodeBuf[off++] = Armv8A64MkInstrLslImm(iGprDst, iGprDst, cShift, false /*64Bit*/);
|
---|
5536 |
|
---|
5537 | #else
|
---|
5538 | # error "Port me"
|
---|
5539 | #endif
|
---|
5540 | return off;
|
---|
5541 | }
|
---|
5542 |
|
---|
5543 |
|
---|
5544 | /**
|
---|
5545 | * Emits code for shifting a 32-bit GPR a fixed number of bits to the left.
|
---|
5546 | */
|
---|
5547 | DECL_INLINE_THROW(uint32_t)
|
---|
5548 | iemNativeEmitShiftGpr32Left(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5549 | {
|
---|
5550 | #if defined(RT_ARCH_AMD64)
|
---|
5551 | off = iemNativeEmitShiftGpr32LeftEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5552 | #elif defined(RT_ARCH_ARM64)
|
---|
5553 | off = iemNativeEmitShiftGpr32LeftEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5554 | #else
|
---|
5555 | # error "Port me"
|
---|
5556 | #endif
|
---|
5557 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5558 | return off;
|
---|
5559 | }
|
---|
5560 |
|
---|
5561 |
|
---|
5562 | /**
|
---|
5563 | * Emits code for (unsigned) shifting a GPR a fixed number of bits to the right.
|
---|
5564 | */
|
---|
5565 | DECL_FORCE_INLINE(uint32_t)
|
---|
5566 | iemNativeEmitShiftGprRightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5567 | {
|
---|
5568 | Assert(cShift > 0 && cShift < 64);
|
---|
5569 |
|
---|
5570 | #if defined(RT_ARCH_AMD64)
|
---|
5571 | /* shr dst, cShift */
|
---|
5572 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5573 | if (cShift != 1)
|
---|
5574 | {
|
---|
5575 | pCodeBuf[off++] = 0xc1;
|
---|
5576 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5577 | pCodeBuf[off++] = cShift;
|
---|
5578 | }
|
---|
5579 | else
|
---|
5580 | {
|
---|
5581 | pCodeBuf[off++] = 0xd1;
|
---|
5582 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5583 | }
|
---|
5584 |
|
---|
5585 | #elif defined(RT_ARCH_ARM64)
|
---|
5586 | pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprDst, cShift);
|
---|
5587 |
|
---|
5588 | #else
|
---|
5589 | # error "Port me"
|
---|
5590 | #endif
|
---|
5591 | return off;
|
---|
5592 | }
|
---|
5593 |
|
---|
5594 |
|
---|
5595 | /**
|
---|
5596 | * Emits code for (unsigned) shifting a GPR a fixed number of bits to the right.
|
---|
5597 | */
|
---|
5598 | DECL_INLINE_THROW(uint32_t)
|
---|
5599 | iemNativeEmitShiftGprRight(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5600 | {
|
---|
5601 | #if defined(RT_ARCH_AMD64)
|
---|
5602 | off = iemNativeEmitShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5603 | #elif defined(RT_ARCH_ARM64)
|
---|
5604 | off = iemNativeEmitShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5605 | #else
|
---|
5606 | # error "Port me"
|
---|
5607 | #endif
|
---|
5608 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5609 | return off;
|
---|
5610 | }
|
---|
5611 |
|
---|
5612 |
|
---|
5613 | /**
|
---|
5614 | * Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
|
---|
5615 | * right.
|
---|
5616 | */
|
---|
5617 | DECL_FORCE_INLINE(uint32_t)
|
---|
5618 | iemNativeEmitShiftGpr32RightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5619 | {
|
---|
5620 | Assert(cShift > 0 && cShift < 32);
|
---|
5621 |
|
---|
5622 | #if defined(RT_ARCH_AMD64)
|
---|
5623 | /* shr dst, cShift */
|
---|
5624 | if (iGprDst >= 8)
|
---|
5625 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5626 | if (cShift != 1)
|
---|
5627 | {
|
---|
5628 | pCodeBuf[off++] = 0xc1;
|
---|
5629 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5630 | pCodeBuf[off++] = cShift;
|
---|
5631 | }
|
---|
5632 | else
|
---|
5633 | {
|
---|
5634 | pCodeBuf[off++] = 0xd1;
|
---|
5635 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5636 | }
|
---|
5637 |
|
---|
5638 | #elif defined(RT_ARCH_ARM64)
|
---|
5639 | pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprDst, cShift, false /*64Bit*/);
|
---|
5640 |
|
---|
5641 | #else
|
---|
5642 | # error "Port me"
|
---|
5643 | #endif
|
---|
5644 | return off;
|
---|
5645 | }
|
---|
5646 |
|
---|
5647 |
|
---|
5648 | /**
|
---|
5649 | * Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
|
---|
5650 | * right.
|
---|
5651 | */
|
---|
5652 | DECL_INLINE_THROW(uint32_t)
|
---|
5653 | iemNativeEmitShiftGpr32Right(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5654 | {
|
---|
5655 | #if defined(RT_ARCH_AMD64)
|
---|
5656 | off = iemNativeEmitShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5657 | #elif defined(RT_ARCH_ARM64)
|
---|
5658 | off = iemNativeEmitShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5659 | #else
|
---|
5660 | # error "Port me"
|
---|
5661 | #endif
|
---|
5662 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5663 | return off;
|
---|
5664 | }
|
---|
5665 |
|
---|
5666 |
|
---|
5667 | /**
|
---|
5668 | * Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
|
---|
5669 | * right and assigning it to a different GPR.
|
---|
5670 | */
|
---|
5671 | DECL_INLINE_THROW(uint32_t)
|
---|
5672 | iemNativeEmitGpr32EqGprShiftRightImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint8_t cShift)
|
---|
5673 | {
|
---|
5674 | Assert(cShift > 0); Assert(cShift < 32);
|
---|
5675 | #if defined(RT_ARCH_AMD64)
|
---|
5676 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
5677 | off = iemNativeEmitShiftGpr32RightEx(pCodeBuf, off, iGprDst, cShift);
|
---|
5678 |
|
---|
5679 | #elif defined(RT_ARCH_ARM64)
|
---|
5680 | pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprSrc, cShift, false /*64Bit*/);
|
---|
5681 |
|
---|
5682 | #else
|
---|
5683 | # error "Port me"
|
---|
5684 | #endif
|
---|
5685 | return off;
|
---|
5686 | }
|
---|
5687 |
|
---|
5688 |
|
---|
5689 | /**
|
---|
5690 | * Emits code for (signed) shifting a GPR a fixed number of bits to the right.
|
---|
5691 | */
|
---|
5692 | DECL_FORCE_INLINE(uint32_t)
|
---|
5693 | iemNativeEmitArithShiftGprRightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5694 | {
|
---|
5695 | Assert(cShift > 0 && cShift < 64);
|
---|
5696 |
|
---|
5697 | #if defined(RT_ARCH_AMD64)
|
---|
5698 | /* sar dst, cShift */
|
---|
5699 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5700 | if (cShift != 1)
|
---|
5701 | {
|
---|
5702 | pCodeBuf[off++] = 0xc1;
|
---|
5703 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5704 | pCodeBuf[off++] = cShift;
|
---|
5705 | }
|
---|
5706 | else
|
---|
5707 | {
|
---|
5708 | pCodeBuf[off++] = 0xd1;
|
---|
5709 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5710 | }
|
---|
5711 |
|
---|
5712 | #elif defined(RT_ARCH_ARM64)
|
---|
5713 | pCodeBuf[off++] = Armv8A64MkInstrAsrImm(iGprDst, iGprDst, cShift);
|
---|
5714 |
|
---|
5715 | #else
|
---|
5716 | # error "Port me"
|
---|
5717 | #endif
|
---|
5718 | return off;
|
---|
5719 | }
|
---|
5720 |
|
---|
5721 |
|
---|
5722 | /**
|
---|
5723 | * Emits code for (signed) shifting a GPR a fixed number of bits to the right.
|
---|
5724 | */
|
---|
5725 | DECL_INLINE_THROW(uint32_t)
|
---|
5726 | iemNativeEmitArithShiftGprRight(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5727 | {
|
---|
5728 | #if defined(RT_ARCH_AMD64)
|
---|
5729 | off = iemNativeEmitArithShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5730 | #elif defined(RT_ARCH_ARM64)
|
---|
5731 | off = iemNativeEmitArithShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5732 | #else
|
---|
5733 | # error "Port me"
|
---|
5734 | #endif
|
---|
5735 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5736 | return off;
|
---|
5737 | }
|
---|
5738 |
|
---|
5739 |
|
---|
5740 | /**
|
---|
5741 | * Emits code for (signed) shifting a 32-bit GPR a fixed number of bits to the right.
|
---|
5742 | */
|
---|
5743 | DECL_FORCE_INLINE(uint32_t)
|
---|
5744 | iemNativeEmitArithShiftGpr32RightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5745 | {
|
---|
5746 | Assert(cShift > 0 && cShift < 64);
|
---|
5747 |
|
---|
5748 | #if defined(RT_ARCH_AMD64)
|
---|
5749 | /* sar dst, cShift */
|
---|
5750 | if (iGprDst >= 8)
|
---|
5751 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5752 | if (cShift != 1)
|
---|
5753 | {
|
---|
5754 | pCodeBuf[off++] = 0xc1;
|
---|
5755 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5756 | pCodeBuf[off++] = cShift;
|
---|
5757 | }
|
---|
5758 | else
|
---|
5759 | {
|
---|
5760 | pCodeBuf[off++] = 0xd1;
|
---|
5761 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5762 | }
|
---|
5763 |
|
---|
5764 | #elif defined(RT_ARCH_ARM64)
|
---|
5765 | pCodeBuf[off++] = Armv8A64MkInstrAsrImm(iGprDst, iGprDst, cShift, false /*f64Bit*/);
|
---|
5766 |
|
---|
5767 | #else
|
---|
5768 | # error "Port me"
|
---|
5769 | #endif
|
---|
5770 | return off;
|
---|
5771 | }
|
---|
5772 |
|
---|
5773 |
|
---|
5774 | /**
|
---|
5775 | * Emits code for (signed) shifting a GPR a fixed number of bits to the right.
|
---|
5776 | */
|
---|
5777 | DECL_INLINE_THROW(uint32_t)
|
---|
5778 | iemNativeEmitArithShiftGpr32Right(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5779 | {
|
---|
5780 | #if defined(RT_ARCH_AMD64)
|
---|
5781 | off = iemNativeEmitArithShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5782 | #elif defined(RT_ARCH_ARM64)
|
---|
5783 | off = iemNativeEmitArithShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5784 | #else
|
---|
5785 | # error "Port me"
|
---|
5786 | #endif
|
---|
5787 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5788 | return off;
|
---|
5789 | }
|
---|
5790 |
|
---|
5791 |
|
---|
5792 | /**
|
---|
5793 | * Emits code for rotating a GPR a fixed number of bits to the left.
|
---|
5794 | */
|
---|
5795 | DECL_FORCE_INLINE(uint32_t)
|
---|
5796 | iemNativeEmitRotateGprLeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5797 | {
|
---|
5798 | Assert(cShift > 0 && cShift < 64);
|
---|
5799 |
|
---|
5800 | #if defined(RT_ARCH_AMD64)
|
---|
5801 | /* rol dst, cShift */
|
---|
5802 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5803 | if (cShift != 1)
|
---|
5804 | {
|
---|
5805 | pCodeBuf[off++] = 0xc1;
|
---|
5806 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
5807 | pCodeBuf[off++] = cShift;
|
---|
5808 | }
|
---|
5809 | else
|
---|
5810 | {
|
---|
5811 | pCodeBuf[off++] = 0xd1;
|
---|
5812 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
5813 | }
|
---|
5814 |
|
---|
5815 | #elif defined(RT_ARCH_ARM64)
|
---|
5816 | pCodeBuf[off++] = Armv8A64MkInstrRorImm(iGprDst, iGprDst, cShift);
|
---|
5817 |
|
---|
5818 | #else
|
---|
5819 | # error "Port me"
|
---|
5820 | #endif
|
---|
5821 | return off;
|
---|
5822 | }
|
---|
5823 |
|
---|
5824 |
|
---|
5825 | #if defined(RT_ARCH_AMD64)
|
---|
5826 | /**
|
---|
5827 | * Emits code for rotating a 32-bit GPR a fixed number of bits to the left via carry.
|
---|
5828 | */
|
---|
5829 | DECL_FORCE_INLINE(uint32_t)
|
---|
5830 | iemNativeEmitAmd64RotateGpr32LeftViaCarryEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5831 | {
|
---|
5832 | Assert(cShift > 0 && cShift < 32);
|
---|
5833 |
|
---|
5834 | /* rcl dst, cShift */
|
---|
5835 | if (iGprDst >= 8)
|
---|
5836 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5837 | if (cShift != 1)
|
---|
5838 | {
|
---|
5839 | pCodeBuf[off++] = 0xc1;
|
---|
5840 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
|
---|
5841 | pCodeBuf[off++] = cShift;
|
---|
5842 | }
|
---|
5843 | else
|
---|
5844 | {
|
---|
5845 | pCodeBuf[off++] = 0xd1;
|
---|
5846 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
|
---|
5847 | }
|
---|
5848 |
|
---|
5849 | return off;
|
---|
5850 | }
|
---|
5851 | #endif /* RT_ARCH_AMD64 */
|
---|
5852 |
|
---|
5853 |
|
---|
5854 |
|
---|
5855 | /**
|
---|
5856 | * Emits code for reversing the byte order for a 16-bit value in a 32-bit GPR.
|
---|
5857 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5858 | */
|
---|
5859 | DECL_FORCE_INLINE(uint32_t)
|
---|
5860 | iemNativeEmitBswapGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
|
---|
5861 | {
|
---|
5862 | #if defined(RT_ARCH_AMD64)
|
---|
5863 | /*
|
---|
5864 | * There is no bswap r16 on x86 (the encoding exists but does not work).
|
---|
5865 | * So just use a rol (gcc -O2 is doing that).
|
---|
5866 | *
|
---|
5867 | * rol r16, 0x8
|
---|
5868 | */
|
---|
5869 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
5870 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
5871 | if (iGpr >= 8)
|
---|
5872 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
5873 | pbCodeBuf[off++] = 0xc1;
|
---|
5874 | pbCodeBuf[off++] = 0xc0 | (iGpr & 7);
|
---|
5875 | pbCodeBuf[off++] = 0x08;
|
---|
5876 | #elif defined(RT_ARCH_ARM64)
|
---|
5877 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5878 |
|
---|
5879 | pu32CodeBuf[off++] = Armv8A64MkInstrRev16(iGpr, iGpr, false /*f64Bit*/);
|
---|
5880 | #else
|
---|
5881 | # error "Port me"
|
---|
5882 | #endif
|
---|
5883 |
|
---|
5884 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5885 | return off;
|
---|
5886 | }
|
---|
5887 |
|
---|
5888 |
|
---|
5889 | /**
|
---|
5890 | * Emits code for reversing the byte order in a 32-bit GPR.
|
---|
5891 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5892 | */
|
---|
5893 | DECL_FORCE_INLINE(uint32_t)
|
---|
5894 | iemNativeEmitBswapGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
|
---|
5895 | {
|
---|
5896 | #if defined(RT_ARCH_AMD64)
|
---|
5897 | /* bswap r32 */
|
---|
5898 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
5899 |
|
---|
5900 | if (iGpr >= 8)
|
---|
5901 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
5902 | pbCodeBuf[off++] = 0x0f;
|
---|
5903 | pbCodeBuf[off++] = 0xc8 | (iGpr & 7);
|
---|
5904 | #elif defined(RT_ARCH_ARM64)
|
---|
5905 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5906 |
|
---|
5907 | pu32CodeBuf[off++] = Armv8A64MkInstrRev(iGpr, iGpr, false /*f64Bit*/);
|
---|
5908 | #else
|
---|
5909 | # error "Port me"
|
---|
5910 | #endif
|
---|
5911 |
|
---|
5912 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5913 | return off;
|
---|
5914 | }
|
---|
5915 |
|
---|
5916 |
|
---|
5917 | /**
|
---|
5918 | * Emits code for reversing the byte order in a 64-bit GPR.
|
---|
5919 | */
|
---|
5920 | DECL_FORCE_INLINE(uint32_t)
|
---|
5921 | iemNativeEmitBswapGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
|
---|
5922 | {
|
---|
5923 | #if defined(RT_ARCH_AMD64)
|
---|
5924 | /* bswap r64 */
|
---|
5925 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
5926 |
|
---|
5927 | if (iGpr >= 8)
|
---|
5928 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_B;
|
---|
5929 | else
|
---|
5930 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
5931 | pbCodeBuf[off++] = 0x0f;
|
---|
5932 | pbCodeBuf[off++] = 0xc8 | (iGpr & 7);
|
---|
5933 | #elif defined(RT_ARCH_ARM64)
|
---|
5934 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5935 |
|
---|
5936 | pu32CodeBuf[off++] = Armv8A64MkInstrRev(iGpr, iGpr, true /*f64Bit*/);
|
---|
5937 | #else
|
---|
5938 | # error "Port me"
|
---|
5939 | #endif
|
---|
5940 |
|
---|
5941 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5942 | return off;
|
---|
5943 | }
|
---|
5944 |
|
---|
5945 |
|
---|
5946 | /*********************************************************************************************************************************
|
---|
5947 | * Compare and Testing *
|
---|
5948 | *********************************************************************************************************************************/
|
---|
5949 |
|
---|
5950 |
|
---|
5951 | #ifdef RT_ARCH_ARM64
|
---|
5952 | /**
|
---|
5953 | * Emits an ARM64 compare instruction.
|
---|
5954 | */
|
---|
5955 | DECL_INLINE_THROW(uint32_t)
|
---|
5956 | iemNativeEmitCmpArm64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight,
|
---|
5957 | bool f64Bit = true, uint32_t cShift = 0, ARMV8A64INSTRSHIFT enmShift = kArmv8A64InstrShift_Lsr)
|
---|
5958 | {
|
---|
5959 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5960 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(true /*fSub*/, ARMV8_A64_REG_XZR /*iRegResult*/, iGprLeft, iGprRight,
|
---|
5961 | f64Bit, true /*fSetFlags*/, cShift, enmShift);
|
---|
5962 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5963 | return off;
|
---|
5964 | }
|
---|
5965 | #endif
|
---|
5966 |
|
---|
5967 |
|
---|
5968 | /**
|
---|
5969 | * Emits a compare of two 64-bit GPRs, settings status flags/whatever for use
|
---|
5970 | * with conditional instruction.
|
---|
5971 | */
|
---|
5972 | DECL_FORCE_INLINE(uint32_t)
|
---|
5973 | iemNativeEmitCmpGprWithGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
5974 | {
|
---|
5975 | #ifdef RT_ARCH_AMD64
|
---|
5976 | /* cmp Gv, Ev */
|
---|
5977 | pCodeBuf[off++] = X86_OP_REX_W | (iGprLeft >= 8 ? X86_OP_REX_R : 0) | (iGprRight >= 8 ? X86_OP_REX_B : 0);
|
---|
5978 | pCodeBuf[off++] = 0x3b;
|
---|
5979 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprLeft & 7, iGprRight & 7);
|
---|
5980 |
|
---|
5981 | #elif defined(RT_ARCH_ARM64)
|
---|
5982 | pCodeBuf[off++] = Armv8A64MkInstrCmpReg(iGprLeft, iGprRight);
|
---|
5983 |
|
---|
5984 | #else
|
---|
5985 | # error "Port me!"
|
---|
5986 | #endif
|
---|
5987 | return off;
|
---|
5988 | }
|
---|
5989 |
|
---|
5990 |
|
---|
5991 | /**
|
---|
5992 | * Emits a compare of two 64-bit GPRs, settings status flags/whatever for use
|
---|
5993 | * with conditional instruction.
|
---|
5994 | */
|
---|
5995 | DECL_INLINE_THROW(uint32_t)
|
---|
5996 | iemNativeEmitCmpGprWithGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
5997 | {
|
---|
5998 | #ifdef RT_ARCH_AMD64
|
---|
5999 | off = iemNativeEmitCmpGprWithGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprLeft, iGprRight);
|
---|
6000 | #elif defined(RT_ARCH_ARM64)
|
---|
6001 | off = iemNativeEmitCmpGprWithGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprLeft, iGprRight);
|
---|
6002 | #else
|
---|
6003 | # error "Port me!"
|
---|
6004 | #endif
|
---|
6005 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6006 | return off;
|
---|
6007 | }
|
---|
6008 |
|
---|
6009 |
|
---|
6010 | /**
|
---|
6011 | * Emits a compare of two 32-bit GPRs, settings status flags/whatever for use
|
---|
6012 | * with conditional instruction.
|
---|
6013 | */
|
---|
6014 | DECL_FORCE_INLINE(uint32_t)
|
---|
6015 | iemNativeEmitCmpGpr32WithGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
6016 | {
|
---|
6017 | #ifdef RT_ARCH_AMD64
|
---|
6018 | /* cmp Gv, Ev */
|
---|
6019 | if (iGprLeft >= 8 || iGprRight >= 8)
|
---|
6020 | pCodeBuf[off++] = (iGprLeft >= 8 ? X86_OP_REX_R : 0) | (iGprRight >= 8 ? X86_OP_REX_B : 0);
|
---|
6021 | pCodeBuf[off++] = 0x3b;
|
---|
6022 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprLeft & 7, iGprRight & 7);
|
---|
6023 |
|
---|
6024 | #elif defined(RT_ARCH_ARM64)
|
---|
6025 | pCodeBuf[off++] = Armv8A64MkInstrCmpReg(iGprLeft, iGprRight, false /*f64Bit*/);
|
---|
6026 |
|
---|
6027 | #else
|
---|
6028 | # error "Port me!"
|
---|
6029 | #endif
|
---|
6030 | return off;
|
---|
6031 | }
|
---|
6032 |
|
---|
6033 |
|
---|
6034 | /**
|
---|
6035 | * Emits a compare of two 32-bit GPRs, settings status flags/whatever for use
|
---|
6036 | * with conditional instruction.
|
---|
6037 | */
|
---|
6038 | DECL_INLINE_THROW(uint32_t)
|
---|
6039 | iemNativeEmitCmpGpr32WithGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
6040 | {
|
---|
6041 | #ifdef RT_ARCH_AMD64
|
---|
6042 | off = iemNativeEmitCmpGpr32WithGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprLeft, iGprRight);
|
---|
6043 | #elif defined(RT_ARCH_ARM64)
|
---|
6044 | off = iemNativeEmitCmpGpr32WithGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprLeft, iGprRight);
|
---|
6045 | #else
|
---|
6046 | # error "Port me!"
|
---|
6047 | #endif
|
---|
6048 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6049 | return off;
|
---|
6050 | }
|
---|
6051 |
|
---|
6052 |
|
---|
6053 | /**
|
---|
6054 | * Emits a compare of a 64-bit GPR with a constant value, settings status
|
---|
6055 | * flags/whatever for use with conditional instruction.
|
---|
6056 | */
|
---|
6057 | DECL_INLINE_THROW(uint32_t)
|
---|
6058 | iemNativeEmitCmpGprWithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint64_t uImm)
|
---|
6059 | {
|
---|
6060 | #ifdef RT_ARCH_AMD64
|
---|
6061 | if (uImm <= UINT32_C(0xff))
|
---|
6062 | {
|
---|
6063 | /* cmp Ev, Ib */
|
---|
6064 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
6065 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprLeft >= 8 ? X86_OP_REX_B : 0);
|
---|
6066 | pbCodeBuf[off++] = 0x83;
|
---|
6067 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6068 | pbCodeBuf[off++] = (uint8_t)uImm;
|
---|
6069 | }
|
---|
6070 | else if ((int64_t)uImm == (int32_t)uImm)
|
---|
6071 | {
|
---|
6072 | /* cmp Ev, imm */
|
---|
6073 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
6074 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprLeft >= 8 ? X86_OP_REX_B : 0);
|
---|
6075 | pbCodeBuf[off++] = 0x81;
|
---|
6076 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6077 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6078 | pbCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
6079 | pbCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
6080 | pbCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
6081 | pbCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
6082 | }
|
---|
6083 | else
|
---|
6084 | {
|
---|
6085 | /* Use temporary register for the immediate. */
|
---|
6086 | uint8_t const iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
6087 | off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iTmpReg);
|
---|
6088 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
6089 | }
|
---|
6090 |
|
---|
6091 | #elif defined(RT_ARCH_ARM64)
|
---|
6092 | /** @todo guess there are clevere things we can do here... */
|
---|
6093 | if (uImm < _4K)
|
---|
6094 | {
|
---|
6095 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6096 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6097 | true /*64Bit*/, true /*fSetFlags*/);
|
---|
6098 | }
|
---|
6099 | else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
|
---|
6100 | {
|
---|
6101 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6102 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm >> 12,
|
---|
6103 | true /*64Bit*/, true /*fSetFlags*/, true /*fShift12*/);
|
---|
6104 | }
|
---|
6105 | else
|
---|
6106 | {
|
---|
6107 | /* Use temporary register for the immediate. */
|
---|
6108 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
6109 | off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iTmpReg);
|
---|
6110 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
6111 | }
|
---|
6112 |
|
---|
6113 | #else
|
---|
6114 | # error "Port me!"
|
---|
6115 | #endif
|
---|
6116 |
|
---|
6117 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6118 | return off;
|
---|
6119 | }
|
---|
6120 |
|
---|
6121 |
|
---|
6122 | /**
|
---|
6123 | * Emits a compare of a 32-bit GPR with a constant value, settings status
|
---|
6124 | * flags/whatever for use with conditional instruction.
|
---|
6125 | *
|
---|
6126 | * @note On ARM64 the @a uImm value must be in the range 0x000..0xfff or that
|
---|
6127 | * shifted 12 bits to the left (e.g. 0x1000..0xfff0000 with the lower 12
|
---|
6128 | * bits all zero). Will release assert or throw exception if the caller
|
---|
6129 | * violates this restriction.
|
---|
6130 | */
|
---|
6131 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6132 | iemNativeEmitCmpGpr32WithImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint32_t uImm)
|
---|
6133 | {
|
---|
6134 | #ifdef RT_ARCH_AMD64
|
---|
6135 | if (iGprLeft >= 8)
|
---|
6136 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
6137 | if (uImm <= UINT32_C(0x7f))
|
---|
6138 | {
|
---|
6139 | /* cmp Ev, Ib */
|
---|
6140 | pCodeBuf[off++] = 0x83;
|
---|
6141 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6142 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
6143 | }
|
---|
6144 | else
|
---|
6145 | {
|
---|
6146 | /* cmp Ev, imm */
|
---|
6147 | pCodeBuf[off++] = 0x81;
|
---|
6148 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6149 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
6150 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
6151 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
6152 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
6153 | }
|
---|
6154 |
|
---|
6155 | #elif defined(RT_ARCH_ARM64)
|
---|
6156 | /** @todo guess there are clevere things we can do here... */
|
---|
6157 | if (uImm < _4K)
|
---|
6158 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6159 | false /*64Bit*/, true /*fSetFlags*/);
|
---|
6160 | else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
|
---|
6161 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6162 | false /*64Bit*/, true /*fSetFlags*/, true /*fShift12*/);
|
---|
6163 | else
|
---|
6164 | # ifdef IEM_WITH_THROW_CATCH
|
---|
6165 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
6166 | # else
|
---|
6167 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
6168 | # endif
|
---|
6169 |
|
---|
6170 | #else
|
---|
6171 | # error "Port me!"
|
---|
6172 | #endif
|
---|
6173 | return off;
|
---|
6174 | }
|
---|
6175 |
|
---|
6176 |
|
---|
6177 | /**
|
---|
6178 | * Emits a compare of a 32-bit GPR with a constant value, settings status
|
---|
6179 | * flags/whatever for use with conditional instruction.
|
---|
6180 | */
|
---|
6181 | DECL_INLINE_THROW(uint32_t)
|
---|
6182 | iemNativeEmitCmpGpr32WithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint32_t uImm)
|
---|
6183 | {
|
---|
6184 | #ifdef RT_ARCH_AMD64
|
---|
6185 | off = iemNativeEmitCmpGpr32WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprLeft, uImm);
|
---|
6186 |
|
---|
6187 | #elif defined(RT_ARCH_ARM64)
|
---|
6188 | /** @todo guess there are clevere things we can do here... */
|
---|
6189 | if (uImm < _4K)
|
---|
6190 | {
|
---|
6191 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6192 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6193 | false /*64Bit*/, true /*fSetFlags*/);
|
---|
6194 | }
|
---|
6195 | else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
|
---|
6196 | {
|
---|
6197 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6198 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6199 | false /*64Bit*/, true /*fSetFlags*/, true /*fShift12*/);
|
---|
6200 | }
|
---|
6201 | else
|
---|
6202 | {
|
---|
6203 | /* Use temporary register for the immediate. */
|
---|
6204 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
6205 | off = iemNativeEmitCmpGpr32WithGpr(pReNative, off, iGprLeft, iTmpReg);
|
---|
6206 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
6207 | }
|
---|
6208 |
|
---|
6209 | #else
|
---|
6210 | # error "Port me!"
|
---|
6211 | #endif
|
---|
6212 |
|
---|
6213 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6214 | return off;
|
---|
6215 | }
|
---|
6216 |
|
---|
6217 |
|
---|
6218 | /**
|
---|
6219 | * Emits a compare of a 32-bit GPR with a constant value, settings status
|
---|
6220 | * flags/whatever for use with conditional instruction.
|
---|
6221 | *
|
---|
6222 | * @note ARM64: Helper register is required (@a idxTmpReg) for isolating the
|
---|
6223 | * 16-bit value from @a iGrpLeft.
|
---|
6224 | * @note On ARM64 the @a uImm value must be in the range 0x000..0xfff or that
|
---|
6225 | * shifted 12 bits to the left (e.g. 0x1000..0xfff0000 with the lower 12
|
---|
6226 | * bits all zero). Will release assert or throw exception if the caller
|
---|
6227 | * violates this restriction.
|
---|
6228 | */
|
---|
6229 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6230 | iemNativeEmitCmpGpr16WithImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint16_t uImm,
|
---|
6231 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
6232 | {
|
---|
6233 | #ifdef RT_ARCH_AMD64
|
---|
6234 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
6235 | if (iGprLeft >= 8)
|
---|
6236 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
6237 | if (uImm <= UINT32_C(0x7f))
|
---|
6238 | {
|
---|
6239 | /* cmp Ev, Ib */
|
---|
6240 | pCodeBuf[off++] = 0x83;
|
---|
6241 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6242 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
6243 | }
|
---|
6244 | else
|
---|
6245 | {
|
---|
6246 | /* cmp Ev, imm */
|
---|
6247 | pCodeBuf[off++] = 0x81;
|
---|
6248 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6249 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
6250 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
6251 | }
|
---|
6252 | RT_NOREF(idxTmpReg);
|
---|
6253 |
|
---|
6254 | #elif defined(RT_ARCH_ARM64)
|
---|
6255 | # ifdef IEM_WITH_THROW_CATCH
|
---|
6256 | AssertStmt(idxTmpReg < 32, IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
6257 | # else
|
---|
6258 | AssertReleaseStmt(idxTmpReg < 32, off = UINT32_MAX);
|
---|
6259 | # endif
|
---|
6260 | Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
|
---|
6261 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpReg, iGprLeft, 15, 0, false /*f64Bit*/);
|
---|
6262 | off = iemNativeEmitCmpGpr32WithImmEx(pCodeBuf, off, idxTmpReg, uImm);
|
---|
6263 |
|
---|
6264 | #else
|
---|
6265 | # error "Port me!"
|
---|
6266 | #endif
|
---|
6267 | return off;
|
---|
6268 | }
|
---|
6269 |
|
---|
6270 |
|
---|
6271 | /**
|
---|
6272 | * Emits a compare of a 16-bit GPR with a constant value, settings status
|
---|
6273 | * flags/whatever for use with conditional instruction.
|
---|
6274 | *
|
---|
6275 | * @note ARM64: Helper register is required (idxTmpReg).
|
---|
6276 | */
|
---|
6277 | DECL_INLINE_THROW(uint32_t)
|
---|
6278 | iemNativeEmitCmpGpr16WithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint16_t uImm,
|
---|
6279 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
6280 | {
|
---|
6281 | #ifdef RT_ARCH_AMD64
|
---|
6282 | off = iemNativeEmitCmpGpr16WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprLeft, uImm, idxTmpReg);
|
---|
6283 | #elif defined(RT_ARCH_ARM64)
|
---|
6284 | off = iemNativeEmitCmpGpr16WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iGprLeft, uImm, idxTmpReg);
|
---|
6285 | #else
|
---|
6286 | # error "Port me!"
|
---|
6287 | #endif
|
---|
6288 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6289 | return off;
|
---|
6290 | }
|
---|
6291 |
|
---|
6292 |
|
---|
6293 |
|
---|
6294 | /*********************************************************************************************************************************
|
---|
6295 | * Branching *
|
---|
6296 | *********************************************************************************************************************************/
|
---|
6297 |
|
---|
6298 | /**
|
---|
6299 | * Emits a JMP rel32 / B imm19 to the given label.
|
---|
6300 | */
|
---|
6301 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6302 | iemNativeEmitJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t idxLabel)
|
---|
6303 | {
|
---|
6304 | Assert(idxLabel < pReNative->cLabels);
|
---|
6305 |
|
---|
6306 | #ifdef RT_ARCH_AMD64
|
---|
6307 | if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
|
---|
6308 | {
|
---|
6309 | uint32_t offRel = pReNative->paLabels[idxLabel].off - (off + 2);
|
---|
6310 | if ((int32_t)offRel < 128 && (int32_t)offRel >= -128)
|
---|
6311 | {
|
---|
6312 | pCodeBuf[off++] = 0xeb; /* jmp rel8 */
|
---|
6313 | pCodeBuf[off++] = (uint8_t)offRel;
|
---|
6314 | }
|
---|
6315 | else
|
---|
6316 | {
|
---|
6317 | offRel -= 3;
|
---|
6318 | pCodeBuf[off++] = 0xe9; /* jmp rel32 */
|
---|
6319 | pCodeBuf[off++] = RT_BYTE1(offRel);
|
---|
6320 | pCodeBuf[off++] = RT_BYTE2(offRel);
|
---|
6321 | pCodeBuf[off++] = RT_BYTE3(offRel);
|
---|
6322 | pCodeBuf[off++] = RT_BYTE4(offRel);
|
---|
6323 | }
|
---|
6324 | }
|
---|
6325 | else
|
---|
6326 | {
|
---|
6327 | pCodeBuf[off++] = 0xe9; /* jmp rel32 */
|
---|
6328 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_Rel32, -4);
|
---|
6329 | pCodeBuf[off++] = 0xfe;
|
---|
6330 | pCodeBuf[off++] = 0xff;
|
---|
6331 | pCodeBuf[off++] = 0xff;
|
---|
6332 | pCodeBuf[off++] = 0xff;
|
---|
6333 | }
|
---|
6334 | pCodeBuf[off++] = 0xcc; /* int3 poison */
|
---|
6335 |
|
---|
6336 | #elif defined(RT_ARCH_ARM64)
|
---|
6337 | if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
|
---|
6338 | {
|
---|
6339 | pCodeBuf[off] = Armv8A64MkInstrB(pReNative->paLabels[idxLabel].off - off);
|
---|
6340 | off++;
|
---|
6341 | }
|
---|
6342 | else
|
---|
6343 | {
|
---|
6344 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm26At0);
|
---|
6345 | pCodeBuf[off++] = Armv8A64MkInstrB(-1);
|
---|
6346 | }
|
---|
6347 |
|
---|
6348 | #else
|
---|
6349 | # error "Port me!"
|
---|
6350 | #endif
|
---|
6351 | return off;
|
---|
6352 | }
|
---|
6353 |
|
---|
6354 |
|
---|
6355 | /**
|
---|
6356 | * Emits a JMP rel32 / B imm19 to the given label.
|
---|
6357 | */
|
---|
6358 | DECL_INLINE_THROW(uint32_t)
|
---|
6359 | iemNativeEmitJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6360 | {
|
---|
6361 | #ifdef RT_ARCH_AMD64
|
---|
6362 | off = iemNativeEmitJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 6), off, idxLabel);
|
---|
6363 | #elif defined(RT_ARCH_ARM64)
|
---|
6364 | off = iemNativeEmitJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1), off, idxLabel);
|
---|
6365 | #else
|
---|
6366 | # error "Port me!"
|
---|
6367 | #endif
|
---|
6368 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6369 | return off;
|
---|
6370 | }
|
---|
6371 |
|
---|
6372 |
|
---|
6373 | /**
|
---|
6374 | * Emits a JMP rel32 / B imm19 to a new undefined label.
|
---|
6375 | */
|
---|
6376 | DECL_INLINE_THROW(uint32_t)
|
---|
6377 | iemNativeEmitJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6378 | {
|
---|
6379 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
6380 | return iemNativeEmitJmpToLabel(pReNative, off, idxLabel);
|
---|
6381 | }
|
---|
6382 |
|
---|
6383 | /** Condition type. */
|
---|
6384 | #ifdef RT_ARCH_AMD64
|
---|
6385 | typedef enum IEMNATIVEINSTRCOND : uint8_t
|
---|
6386 | {
|
---|
6387 | kIemNativeInstrCond_o = 0,
|
---|
6388 | kIemNativeInstrCond_no,
|
---|
6389 | kIemNativeInstrCond_c,
|
---|
6390 | kIemNativeInstrCond_nc,
|
---|
6391 | kIemNativeInstrCond_e,
|
---|
6392 | kIemNativeInstrCond_z = kIemNativeInstrCond_e,
|
---|
6393 | kIemNativeInstrCond_ne,
|
---|
6394 | kIemNativeInstrCond_nz = kIemNativeInstrCond_ne,
|
---|
6395 | kIemNativeInstrCond_be,
|
---|
6396 | kIemNativeInstrCond_nbe,
|
---|
6397 | kIemNativeInstrCond_s,
|
---|
6398 | kIemNativeInstrCond_ns,
|
---|
6399 | kIemNativeInstrCond_p,
|
---|
6400 | kIemNativeInstrCond_np,
|
---|
6401 | kIemNativeInstrCond_l,
|
---|
6402 | kIemNativeInstrCond_nl,
|
---|
6403 | kIemNativeInstrCond_le,
|
---|
6404 | kIemNativeInstrCond_nle
|
---|
6405 | } IEMNATIVEINSTRCOND;
|
---|
6406 | #elif defined(RT_ARCH_ARM64)
|
---|
6407 | typedef ARMV8INSTRCOND IEMNATIVEINSTRCOND;
|
---|
6408 | # define kIemNativeInstrCond_o todo_conditional_codes
|
---|
6409 | # define kIemNativeInstrCond_no todo_conditional_codes
|
---|
6410 | # define kIemNativeInstrCond_c todo_conditional_codes
|
---|
6411 | # define kIemNativeInstrCond_nc todo_conditional_codes
|
---|
6412 | # define kIemNativeInstrCond_e kArmv8InstrCond_Eq
|
---|
6413 | # define kIemNativeInstrCond_ne kArmv8InstrCond_Ne
|
---|
6414 | # define kIemNativeInstrCond_be kArmv8InstrCond_Ls
|
---|
6415 | # define kIemNativeInstrCond_nbe kArmv8InstrCond_Hi
|
---|
6416 | # define kIemNativeInstrCond_s todo_conditional_codes
|
---|
6417 | # define kIemNativeInstrCond_ns todo_conditional_codes
|
---|
6418 | # define kIemNativeInstrCond_p todo_conditional_codes
|
---|
6419 | # define kIemNativeInstrCond_np todo_conditional_codes
|
---|
6420 | # define kIemNativeInstrCond_l kArmv8InstrCond_Lt
|
---|
6421 | # define kIemNativeInstrCond_nl kArmv8InstrCond_Ge
|
---|
6422 | # define kIemNativeInstrCond_le kArmv8InstrCond_Le
|
---|
6423 | # define kIemNativeInstrCond_nle kArmv8InstrCond_Gt
|
---|
6424 | #else
|
---|
6425 | # error "Port me!"
|
---|
6426 | #endif
|
---|
6427 |
|
---|
6428 |
|
---|
6429 | /**
|
---|
6430 | * Emits a Jcc rel32 / B.cc imm19 to the given label (ASSUMED requiring fixup).
|
---|
6431 | */
|
---|
6432 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6433 | iemNativeEmitJccToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
6434 | uint32_t idxLabel, IEMNATIVEINSTRCOND enmCond)
|
---|
6435 | {
|
---|
6436 | Assert(idxLabel < pReNative->cLabels);
|
---|
6437 |
|
---|
6438 | uint32_t const offLabel = pReNative->paLabels[idxLabel].off;
|
---|
6439 | #ifdef RT_ARCH_AMD64
|
---|
6440 | if (offLabel >= off)
|
---|
6441 | {
|
---|
6442 | /* jcc rel32 */
|
---|
6443 | pCodeBuf[off++] = 0x0f;
|
---|
6444 | pCodeBuf[off++] = (uint8_t)enmCond | 0x80;
|
---|
6445 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_Rel32, -4);
|
---|
6446 | pCodeBuf[off++] = 0x00;
|
---|
6447 | pCodeBuf[off++] = 0x00;
|
---|
6448 | pCodeBuf[off++] = 0x00;
|
---|
6449 | pCodeBuf[off++] = 0x00;
|
---|
6450 | }
|
---|
6451 | else
|
---|
6452 | {
|
---|
6453 | int32_t offDisp = offLabel - (off + 2);
|
---|
6454 | if ((int8_t)offDisp == offDisp)
|
---|
6455 | {
|
---|
6456 | /* jcc rel8 */
|
---|
6457 | pCodeBuf[off++] = (uint8_t)enmCond | 0x70;
|
---|
6458 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6459 | }
|
---|
6460 | else
|
---|
6461 | {
|
---|
6462 | /* jcc rel32 */
|
---|
6463 | offDisp -= 4;
|
---|
6464 | pCodeBuf[off++] = 0x0f;
|
---|
6465 | pCodeBuf[off++] = (uint8_t)enmCond | 0x80;
|
---|
6466 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6467 | pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
6468 | pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
6469 | pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
6470 | }
|
---|
6471 | }
|
---|
6472 |
|
---|
6473 | #elif defined(RT_ARCH_ARM64)
|
---|
6474 | if (offLabel >= off)
|
---|
6475 | {
|
---|
6476 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
|
---|
6477 | pCodeBuf[off++] = Armv8A64MkInstrBCond(enmCond, -1);
|
---|
6478 | }
|
---|
6479 | else
|
---|
6480 | {
|
---|
6481 | Assert(off - offLabel <= 0x3ffffU);
|
---|
6482 | pCodeBuf[off] = Armv8A64MkInstrBCond(enmCond, offLabel - off);
|
---|
6483 | off++;
|
---|
6484 | }
|
---|
6485 |
|
---|
6486 | #else
|
---|
6487 | # error "Port me!"
|
---|
6488 | #endif
|
---|
6489 | return off;
|
---|
6490 | }
|
---|
6491 |
|
---|
6492 |
|
---|
6493 | /**
|
---|
6494 | * Emits a Jcc rel32 / B.cc imm19 to the given label (ASSUMED requiring fixup).
|
---|
6495 | */
|
---|
6496 | DECL_INLINE_THROW(uint32_t)
|
---|
6497 | iemNativeEmitJccToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel, IEMNATIVEINSTRCOND enmCond)
|
---|
6498 | {
|
---|
6499 | #ifdef RT_ARCH_AMD64
|
---|
6500 | off = iemNativeEmitJccToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 6), off, idxLabel, enmCond);
|
---|
6501 | #elif defined(RT_ARCH_ARM64)
|
---|
6502 | off = iemNativeEmitJccToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1), off, idxLabel, enmCond);
|
---|
6503 | #else
|
---|
6504 | # error "Port me!"
|
---|
6505 | #endif
|
---|
6506 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6507 | return off;
|
---|
6508 | }
|
---|
6509 |
|
---|
6510 |
|
---|
6511 | /**
|
---|
6512 | * Emits a Jcc rel32 / B.cc imm19 to a new label.
|
---|
6513 | */
|
---|
6514 | DECL_INLINE_THROW(uint32_t)
|
---|
6515 | iemNativeEmitJccToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6516 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData, IEMNATIVEINSTRCOND enmCond)
|
---|
6517 | {
|
---|
6518 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
6519 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, enmCond);
|
---|
6520 | }
|
---|
6521 |
|
---|
6522 |
|
---|
6523 | /**
|
---|
6524 | * Emits a JZ/JE rel32 / B.EQ imm19 to the given label.
|
---|
6525 | */
|
---|
6526 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6527 | {
|
---|
6528 | #ifdef RT_ARCH_AMD64
|
---|
6529 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_e);
|
---|
6530 | #elif defined(RT_ARCH_ARM64)
|
---|
6531 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Eq);
|
---|
6532 | #else
|
---|
6533 | # error "Port me!"
|
---|
6534 | #endif
|
---|
6535 | }
|
---|
6536 |
|
---|
6537 | /**
|
---|
6538 | * Emits a JZ/JE rel32 / B.EQ imm19 to a new label.
|
---|
6539 | */
|
---|
6540 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6541 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6542 | {
|
---|
6543 | #ifdef RT_ARCH_AMD64
|
---|
6544 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_e);
|
---|
6545 | #elif defined(RT_ARCH_ARM64)
|
---|
6546 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Eq);
|
---|
6547 | #else
|
---|
6548 | # error "Port me!"
|
---|
6549 | #endif
|
---|
6550 | }
|
---|
6551 |
|
---|
6552 |
|
---|
6553 | /**
|
---|
6554 | * Emits a JNZ/JNE rel32 / B.NE imm19 to the given label.
|
---|
6555 | */
|
---|
6556 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6557 | {
|
---|
6558 | #ifdef RT_ARCH_AMD64
|
---|
6559 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_ne);
|
---|
6560 | #elif defined(RT_ARCH_ARM64)
|
---|
6561 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Ne);
|
---|
6562 | #else
|
---|
6563 | # error "Port me!"
|
---|
6564 | #endif
|
---|
6565 | }
|
---|
6566 |
|
---|
6567 | /**
|
---|
6568 | * Emits a JNZ/JNE rel32 / B.NE imm19 to a new label.
|
---|
6569 | */
|
---|
6570 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6571 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6572 | {
|
---|
6573 | #ifdef RT_ARCH_AMD64
|
---|
6574 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_ne);
|
---|
6575 | #elif defined(RT_ARCH_ARM64)
|
---|
6576 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Ne);
|
---|
6577 | #else
|
---|
6578 | # error "Port me!"
|
---|
6579 | #endif
|
---|
6580 | }
|
---|
6581 |
|
---|
6582 |
|
---|
6583 | /**
|
---|
6584 | * Emits a JBE/JNA rel32 / B.LS imm19 to the given label.
|
---|
6585 | */
|
---|
6586 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6587 | {
|
---|
6588 | #ifdef RT_ARCH_AMD64
|
---|
6589 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_be);
|
---|
6590 | #elif defined(RT_ARCH_ARM64)
|
---|
6591 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Ls);
|
---|
6592 | #else
|
---|
6593 | # error "Port me!"
|
---|
6594 | #endif
|
---|
6595 | }
|
---|
6596 |
|
---|
6597 | /**
|
---|
6598 | * Emits a JBE/JNA rel32 / B.LS imm19 to a new label.
|
---|
6599 | */
|
---|
6600 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6601 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6602 | {
|
---|
6603 | #ifdef RT_ARCH_AMD64
|
---|
6604 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_be);
|
---|
6605 | #elif defined(RT_ARCH_ARM64)
|
---|
6606 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Ls);
|
---|
6607 | #else
|
---|
6608 | # error "Port me!"
|
---|
6609 | #endif
|
---|
6610 | }
|
---|
6611 |
|
---|
6612 |
|
---|
6613 | /**
|
---|
6614 | * Emits a JA/JNBE rel32 / B.HI imm19 to the given label.
|
---|
6615 | */
|
---|
6616 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6617 | {
|
---|
6618 | #ifdef RT_ARCH_AMD64
|
---|
6619 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_nbe);
|
---|
6620 | #elif defined(RT_ARCH_ARM64)
|
---|
6621 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Hi);
|
---|
6622 | #else
|
---|
6623 | # error "Port me!"
|
---|
6624 | #endif
|
---|
6625 | }
|
---|
6626 |
|
---|
6627 | /**
|
---|
6628 | * Emits a JA/JNBE rel32 / B.HI imm19 to a new label.
|
---|
6629 | */
|
---|
6630 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6631 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6632 | {
|
---|
6633 | #ifdef RT_ARCH_AMD64
|
---|
6634 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_nbe);
|
---|
6635 | #elif defined(RT_ARCH_ARM64)
|
---|
6636 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Hi);
|
---|
6637 | #else
|
---|
6638 | # error "Port me!"
|
---|
6639 | #endif
|
---|
6640 | }
|
---|
6641 |
|
---|
6642 |
|
---|
6643 | /**
|
---|
6644 | * Emits a JL/JNGE rel32 / B.LT imm19 to the given label.
|
---|
6645 | */
|
---|
6646 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJlToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6647 | {
|
---|
6648 | #ifdef RT_ARCH_AMD64
|
---|
6649 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_l);
|
---|
6650 | #elif defined(RT_ARCH_ARM64)
|
---|
6651 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Lt);
|
---|
6652 | #else
|
---|
6653 | # error "Port me!"
|
---|
6654 | #endif
|
---|
6655 | }
|
---|
6656 |
|
---|
6657 | /**
|
---|
6658 | * Emits a JA/JNGE rel32 / B.HI imm19 to a new label.
|
---|
6659 | */
|
---|
6660 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJlToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6661 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6662 | {
|
---|
6663 | #ifdef RT_ARCH_AMD64
|
---|
6664 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_l);
|
---|
6665 | #elif defined(RT_ARCH_ARM64)
|
---|
6666 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Lt);
|
---|
6667 | #else
|
---|
6668 | # error "Port me!"
|
---|
6669 | #endif
|
---|
6670 | }
|
---|
6671 |
|
---|
6672 |
|
---|
6673 | /**
|
---|
6674 | * Emits a Jcc rel32 / B.cc imm19 with a fixed displacement.
|
---|
6675 | *
|
---|
6676 | * @note The @a offTarget is the absolute jump target (unit is IEMNATIVEINSTR).
|
---|
6677 | *
|
---|
6678 | * Only use hardcoded jumps forward when emitting for exactly one
|
---|
6679 | * platform, otherwise apply iemNativeFixupFixedJump() to ensure hitting
|
---|
6680 | * the right target address on all platforms!
|
---|
6681 | *
|
---|
6682 | * Please also note that on x86 it is necessary pass off + 256 or higher
|
---|
6683 | * for @a offTarget one believe the intervening code is more than 127
|
---|
6684 | * bytes long.
|
---|
6685 | */
|
---|
6686 | DECL_FORCE_INLINE(uint32_t)
|
---|
6687 | iemNativeEmitJccToFixedEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t offTarget, IEMNATIVEINSTRCOND enmCond)
|
---|
6688 | {
|
---|
6689 | #ifdef RT_ARCH_AMD64
|
---|
6690 | /* jcc rel8 / rel32 */
|
---|
6691 | int32_t offDisp = (int32_t)(offTarget - (off + 2));
|
---|
6692 | if (offDisp < 128 && offDisp >= -128)
|
---|
6693 | {
|
---|
6694 | pCodeBuf[off++] = (uint8_t)enmCond | 0x70;
|
---|
6695 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6696 | }
|
---|
6697 | else
|
---|
6698 | {
|
---|
6699 | offDisp -= 4;
|
---|
6700 | pCodeBuf[off++] = 0x0f;
|
---|
6701 | pCodeBuf[off++] = (uint8_t)enmCond | 0x80;
|
---|
6702 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6703 | pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
6704 | pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
6705 | pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
6706 | }
|
---|
6707 |
|
---|
6708 | #elif defined(RT_ARCH_ARM64)
|
---|
6709 | pCodeBuf[off] = Armv8A64MkInstrBCond(enmCond, (int32_t)(offTarget - off));
|
---|
6710 | off++;
|
---|
6711 | #else
|
---|
6712 | # error "Port me!"
|
---|
6713 | #endif
|
---|
6714 | return off;
|
---|
6715 | }
|
---|
6716 |
|
---|
6717 |
|
---|
6718 | /**
|
---|
6719 | * Emits a Jcc rel32 / B.cc imm19 with a fixed displacement.
|
---|
6720 | *
|
---|
6721 | * @note The @a offTarget is the absolute jump target (unit is IEMNATIVEINSTR).
|
---|
6722 | *
|
---|
6723 | * Only use hardcoded jumps forward when emitting for exactly one
|
---|
6724 | * platform, otherwise apply iemNativeFixupFixedJump() to ensure hitting
|
---|
6725 | * the right target address on all platforms!
|
---|
6726 | *
|
---|
6727 | * Please also note that on x86 it is necessary pass off + 256 or higher
|
---|
6728 | * for @a offTarget if one believe the intervening code is more than 127
|
---|
6729 | * bytes long.
|
---|
6730 | */
|
---|
6731 | DECL_INLINE_THROW(uint32_t)
|
---|
6732 | iemNativeEmitJccToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget, IEMNATIVEINSTRCOND enmCond)
|
---|
6733 | {
|
---|
6734 | #ifdef RT_ARCH_AMD64
|
---|
6735 | off = iemNativeEmitJccToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, offTarget, enmCond);
|
---|
6736 | #elif defined(RT_ARCH_ARM64)
|
---|
6737 | off = iemNativeEmitJccToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, offTarget, enmCond);
|
---|
6738 | #else
|
---|
6739 | # error "Port me!"
|
---|
6740 | #endif
|
---|
6741 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6742 | return off;
|
---|
6743 | }
|
---|
6744 |
|
---|
6745 |
|
---|
6746 | /**
|
---|
6747 | * Emits a JZ/JE rel32 / B.EQ imm19 with a fixed displacement.
|
---|
6748 | *
|
---|
6749 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6750 | */
|
---|
6751 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6752 | {
|
---|
6753 | #ifdef RT_ARCH_AMD64
|
---|
6754 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_e);
|
---|
6755 | #elif defined(RT_ARCH_ARM64)
|
---|
6756 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Eq);
|
---|
6757 | #else
|
---|
6758 | # error "Port me!"
|
---|
6759 | #endif
|
---|
6760 | }
|
---|
6761 |
|
---|
6762 |
|
---|
6763 | /**
|
---|
6764 | * Emits a JNZ/JNE rel32 / B.NE imm19 with a fixed displacement.
|
---|
6765 | *
|
---|
6766 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6767 | */
|
---|
6768 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6769 | {
|
---|
6770 | #ifdef RT_ARCH_AMD64
|
---|
6771 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_ne);
|
---|
6772 | #elif defined(RT_ARCH_ARM64)
|
---|
6773 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Ne);
|
---|
6774 | #else
|
---|
6775 | # error "Port me!"
|
---|
6776 | #endif
|
---|
6777 | }
|
---|
6778 |
|
---|
6779 |
|
---|
6780 | /**
|
---|
6781 | * Emits a JBE/JNA rel32 / B.LS imm19 with a fixed displacement.
|
---|
6782 | *
|
---|
6783 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6784 | */
|
---|
6785 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6786 | {
|
---|
6787 | #ifdef RT_ARCH_AMD64
|
---|
6788 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_be);
|
---|
6789 | #elif defined(RT_ARCH_ARM64)
|
---|
6790 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Ls);
|
---|
6791 | #else
|
---|
6792 | # error "Port me!"
|
---|
6793 | #endif
|
---|
6794 | }
|
---|
6795 |
|
---|
6796 |
|
---|
6797 | /**
|
---|
6798 | * Emits a JA/JNBE rel32 / B.HI imm19 with a fixed displacement.
|
---|
6799 | *
|
---|
6800 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6801 | */
|
---|
6802 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6803 | {
|
---|
6804 | #ifdef RT_ARCH_AMD64
|
---|
6805 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_nbe);
|
---|
6806 | #elif defined(RT_ARCH_ARM64)
|
---|
6807 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Hi);
|
---|
6808 | #else
|
---|
6809 | # error "Port me!"
|
---|
6810 | #endif
|
---|
6811 | }
|
---|
6812 |
|
---|
6813 |
|
---|
6814 | /**
|
---|
6815 | * Emits a JMP rel32/rel8 / B imm26 with a fixed displacement.
|
---|
6816 | *
|
---|
6817 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6818 | */
|
---|
6819 | DECL_FORCE_INLINE(uint32_t) iemNativeEmitJmpToFixedEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t offTarget)
|
---|
6820 | {
|
---|
6821 | #ifdef RT_ARCH_AMD64
|
---|
6822 | /* jmp rel8 or rel32 */
|
---|
6823 | int32_t offDisp = offTarget - (off + 2);
|
---|
6824 | if (offDisp < 128 && offDisp >= -128)
|
---|
6825 | {
|
---|
6826 | pCodeBuf[off++] = 0xeb;
|
---|
6827 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6828 | }
|
---|
6829 | else
|
---|
6830 | {
|
---|
6831 | offDisp -= 3;
|
---|
6832 | pCodeBuf[off++] = 0xe9;
|
---|
6833 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6834 | pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
6835 | pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
6836 | pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
6837 | }
|
---|
6838 |
|
---|
6839 | #elif defined(RT_ARCH_ARM64)
|
---|
6840 | pCodeBuf[off] = Armv8A64MkInstrB((int32_t)(offTarget - off));
|
---|
6841 | off++;
|
---|
6842 |
|
---|
6843 | #else
|
---|
6844 | # error "Port me!"
|
---|
6845 | #endif
|
---|
6846 | return off;
|
---|
6847 | }
|
---|
6848 |
|
---|
6849 |
|
---|
6850 | /**
|
---|
6851 | * Emits a JMP rel32/rel8 / B imm26 with a fixed displacement.
|
---|
6852 | *
|
---|
6853 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6854 | */
|
---|
6855 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJmpToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6856 | {
|
---|
6857 | #ifdef RT_ARCH_AMD64
|
---|
6858 | off = iemNativeEmitJmpToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 5), off, offTarget);
|
---|
6859 | #elif defined(RT_ARCH_ARM64)
|
---|
6860 | off = iemNativeEmitJmpToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, offTarget);
|
---|
6861 | #else
|
---|
6862 | # error "Port me!"
|
---|
6863 | #endif
|
---|
6864 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6865 | return off;
|
---|
6866 | }
|
---|
6867 |
|
---|
6868 |
|
---|
6869 | /**
|
---|
6870 | * Fixes up a conditional jump to a fixed label.
|
---|
6871 | * @see iemNativeEmitJmpToFixed, iemNativeEmitJnzToFixed,
|
---|
6872 | * iemNativeEmitJzToFixed, ...
|
---|
6873 | */
|
---|
6874 | DECL_INLINE_THROW(void) iemNativeFixupFixedJump(PIEMRECOMPILERSTATE pReNative, uint32_t offFixup, uint32_t offTarget)
|
---|
6875 | {
|
---|
6876 | #ifdef RT_ARCH_AMD64
|
---|
6877 | uint8_t * const pbCodeBuf = pReNative->pInstrBuf;
|
---|
6878 | uint8_t const bOpcode = pbCodeBuf[offFixup];
|
---|
6879 | if ((uint8_t)(bOpcode - 0x70) < (uint8_t)0x10 || bOpcode == 0xeb)
|
---|
6880 | {
|
---|
6881 | pbCodeBuf[offFixup + 1] = (uint8_t)(offTarget - (offFixup + 2));
|
---|
6882 | AssertStmt(pbCodeBuf[offFixup + 1] == offTarget - (offFixup + 2),
|
---|
6883 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_EMIT_FIXED_JUMP_OUT_OF_RANGE));
|
---|
6884 | }
|
---|
6885 | else
|
---|
6886 | {
|
---|
6887 | if (bOpcode != 0x0f)
|
---|
6888 | Assert(bOpcode == 0xe9);
|
---|
6889 | else
|
---|
6890 | {
|
---|
6891 | offFixup += 1;
|
---|
6892 | Assert((uint8_t)(pbCodeBuf[offFixup] - 0x80) <= 0x10);
|
---|
6893 | }
|
---|
6894 | uint32_t const offRel32 = offTarget - (offFixup + 5);
|
---|
6895 | pbCodeBuf[offFixup + 1] = RT_BYTE1(offRel32);
|
---|
6896 | pbCodeBuf[offFixup + 2] = RT_BYTE2(offRel32);
|
---|
6897 | pbCodeBuf[offFixup + 3] = RT_BYTE3(offRel32);
|
---|
6898 | pbCodeBuf[offFixup + 4] = RT_BYTE4(offRel32);
|
---|
6899 | }
|
---|
6900 |
|
---|
6901 | #elif defined(RT_ARCH_ARM64)
|
---|
6902 | uint32_t * const pu32CodeBuf = pReNative->pInstrBuf;
|
---|
6903 | if ((pu32CodeBuf[offFixup] & UINT32_C(0xff000000)) == UINT32_C(0x54000000))
|
---|
6904 | {
|
---|
6905 | /* B.COND + BC.COND */
|
---|
6906 | int32_t const offDisp = offTarget - offFixup;
|
---|
6907 | Assert(offDisp >= -262144 && offDisp < 262144);
|
---|
6908 | pu32CodeBuf[offFixup] = (pu32CodeBuf[offFixup] & UINT32_C(0xff00001f))
|
---|
6909 | | (((uint32_t)offDisp & UINT32_C(0x0007ffff)) << 5);
|
---|
6910 | }
|
---|
6911 | else
|
---|
6912 | {
|
---|
6913 | /* B imm26 */
|
---|
6914 | Assert((pu32CodeBuf[offFixup] & UINT32_C(0xfc000000)) == UINT32_C(0x14000000));
|
---|
6915 | int32_t const offDisp = offTarget - offFixup;
|
---|
6916 | Assert(offDisp >= -33554432 && offDisp < 33554432);
|
---|
6917 | pu32CodeBuf[offFixup] = (pu32CodeBuf[offFixup] & UINT32_C(0xfc000000))
|
---|
6918 | | ((uint32_t)offDisp & UINT32_C(0x03ffffff));
|
---|
6919 | }
|
---|
6920 |
|
---|
6921 | #else
|
---|
6922 | # error "Port me!"
|
---|
6923 | #endif
|
---|
6924 | }
|
---|
6925 |
|
---|
6926 |
|
---|
6927 | #ifdef RT_ARCH_AMD64
|
---|
6928 | /**
|
---|
6929 | * For doing bt on a register.
|
---|
6930 | */
|
---|
6931 | DECL_INLINE_THROW(uint32_t)
|
---|
6932 | iemNativeEmitAmd64TestBitInGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iBitNo)
|
---|
6933 | {
|
---|
6934 | Assert(iBitNo < 64);
|
---|
6935 | /* bt Ev, imm8 */
|
---|
6936 | if (iBitNo >= 32)
|
---|
6937 | pCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
6938 | else if (iGprSrc >= 8)
|
---|
6939 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
6940 | pCodeBuf[off++] = 0x0f;
|
---|
6941 | pCodeBuf[off++] = 0xba;
|
---|
6942 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprSrc & 7);
|
---|
6943 | pCodeBuf[off++] = iBitNo;
|
---|
6944 | return off;
|
---|
6945 | }
|
---|
6946 | #endif /* RT_ARCH_AMD64 */
|
---|
6947 |
|
---|
6948 |
|
---|
6949 | /**
|
---|
6950 | * Internal helper, don't call directly.
|
---|
6951 | */
|
---|
6952 | DECL_INLINE_THROW(uint32_t)
|
---|
6953 | iemNativeEmitTestBitInGprAndJmpToLabelIfCc(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc,
|
---|
6954 | uint8_t iBitNo, uint32_t idxLabel, bool fJmpIfSet)
|
---|
6955 | {
|
---|
6956 | Assert(iBitNo < 64);
|
---|
6957 | #ifdef RT_ARCH_AMD64
|
---|
6958 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
6959 | if (iBitNo < 8)
|
---|
6960 | {
|
---|
6961 | /* test Eb, imm8 */
|
---|
6962 | if (iGprSrc >= 4)
|
---|
6963 | pbCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
6964 | pbCodeBuf[off++] = 0xf6;
|
---|
6965 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
6966 | pbCodeBuf[off++] = (uint8_t)1 << iBitNo;
|
---|
6967 | off = iemNativeEmitJccToLabel(pReNative, off, idxLabel, fJmpIfSet ? kIemNativeInstrCond_ne : kIemNativeInstrCond_e);
|
---|
6968 | }
|
---|
6969 | else
|
---|
6970 | {
|
---|
6971 | /* bt Ev, imm8 */
|
---|
6972 | if (iBitNo >= 32)
|
---|
6973 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
6974 | else if (iGprSrc >= 8)
|
---|
6975 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
6976 | pbCodeBuf[off++] = 0x0f;
|
---|
6977 | pbCodeBuf[off++] = 0xba;
|
---|
6978 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprSrc & 7);
|
---|
6979 | pbCodeBuf[off++] = iBitNo;
|
---|
6980 | off = iemNativeEmitJccToLabel(pReNative, off, idxLabel, fJmpIfSet ? kIemNativeInstrCond_c : kIemNativeInstrCond_nc);
|
---|
6981 | }
|
---|
6982 |
|
---|
6983 | #elif defined(RT_ARCH_ARM64)
|
---|
6984 | /* Use the TBNZ instruction here. */
|
---|
6985 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
6986 | if (pReNative->paLabels[idxLabel].enmType > kIemNativeLabelType_LastWholeTbBranch)
|
---|
6987 | {
|
---|
6988 | AssertMsg(pReNative->paLabels[idxLabel].off == UINT32_MAX,
|
---|
6989 | ("TODO: Please enable & test commented out code for jumping back to a predefined label.\n"));
|
---|
6990 | //uint32_t offLabel = pReNative->paLabels[idxLabel].off;
|
---|
6991 | //if (offLabel == UINT32_MAX)
|
---|
6992 | {
|
---|
6993 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm14At5);
|
---|
6994 | pu32CodeBuf[off++] = Armv8A64MkInstrTbzTbnz(fJmpIfSet, 0, iGprSrc, iBitNo);
|
---|
6995 | }
|
---|
6996 | //else
|
---|
6997 | //{
|
---|
6998 | // RT_BREAKPOINT();
|
---|
6999 | // Assert(off - offLabel <= 0x1fffU);
|
---|
7000 | // pu32CodeBuf[off++] = Armv8A64MkInstrTbzTbnz(fJmpIfSet, offLabel - off, iGprSrc, iBitNo);
|
---|
7001 | //
|
---|
7002 | //}
|
---|
7003 | }
|
---|
7004 | else
|
---|
7005 | {
|
---|
7006 | Assert(Armv8A64ConvertImmRImmS2Mask64(0x40, (64U - iBitNo) & 63U) == RT_BIT_64(iBitNo));
|
---|
7007 | pu32CodeBuf[off++] = Armv8A64MkInstrTstImm(iGprSrc, 0x40, (64U - iBitNo) & 63U);
|
---|
7008 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
|
---|
7009 | pu32CodeBuf[off++] = Armv8A64MkInstrBCond(fJmpIfSet ? kArmv8InstrCond_Ne : kArmv8InstrCond_Eq, 0);
|
---|
7010 | }
|
---|
7011 |
|
---|
7012 | #else
|
---|
7013 | # error "Port me!"
|
---|
7014 | #endif
|
---|
7015 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7016 | return off;
|
---|
7017 | }
|
---|
7018 |
|
---|
7019 |
|
---|
7020 | /**
|
---|
7021 | * Emits a jump to @a idxLabel on the condition that bit @a iBitNo _is_ _set_ in
|
---|
7022 | * @a iGprSrc.
|
---|
7023 | *
|
---|
7024 | * @note On ARM64 the range is only +/-8191 instructions.
|
---|
7025 | */
|
---|
7026 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestBitInGprAndJmpToLabelIfSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7027 | uint8_t iGprSrc, uint8_t iBitNo, uint32_t idxLabel)
|
---|
7028 | {
|
---|
7029 | return iemNativeEmitTestBitInGprAndJmpToLabelIfCc(pReNative, off, iGprSrc, iBitNo, idxLabel, true /*fJmpIfSet*/);
|
---|
7030 | }
|
---|
7031 |
|
---|
7032 |
|
---|
7033 | /**
|
---|
7034 | * Emits a jump to @a idxLabel on the condition that bit @a iBitNo _is_ _not_
|
---|
7035 | * _set_ in @a iGprSrc.
|
---|
7036 | *
|
---|
7037 | * @note On ARM64 the range is only +/-8191 instructions.
|
---|
7038 | */
|
---|
7039 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestBitInGprAndJmpToLabelIfNotSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7040 | uint8_t iGprSrc, uint8_t iBitNo, uint32_t idxLabel)
|
---|
7041 | {
|
---|
7042 | return iemNativeEmitTestBitInGprAndJmpToLabelIfCc(pReNative, off, iGprSrc, iBitNo, idxLabel, false /*fJmpIfSet*/);
|
---|
7043 | }
|
---|
7044 |
|
---|
7045 |
|
---|
7046 | /**
|
---|
7047 | * Emits a test for any of the bits from @a fBits in @a iGprSrc, setting CPU
|
---|
7048 | * flags accordingly.
|
---|
7049 | */
|
---|
7050 | DECL_INLINE_THROW(uint32_t)
|
---|
7051 | iemNativeEmitTestAnyBitsInGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint64_t fBits)
|
---|
7052 | {
|
---|
7053 | Assert(fBits != 0);
|
---|
7054 | #ifdef RT_ARCH_AMD64
|
---|
7055 |
|
---|
7056 | if (fBits >= UINT32_MAX)
|
---|
7057 | {
|
---|
7058 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
|
---|
7059 |
|
---|
7060 | /* test Ev,Gv */
|
---|
7061 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
7062 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iTmpReg < 8 ? 0 : X86_OP_REX_B);
|
---|
7063 | pbCodeBuf[off++] = 0x85;
|
---|
7064 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprSrc & 8, iTmpReg & 7);
|
---|
7065 |
|
---|
7066 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
7067 | }
|
---|
7068 | else if (fBits <= UINT32_MAX)
|
---|
7069 | {
|
---|
7070 | /* test Eb, imm8 or test Ev, imm32 */
|
---|
7071 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
7072 | if (fBits <= UINT8_MAX)
|
---|
7073 | {
|
---|
7074 | if (iGprSrc >= 4)
|
---|
7075 | pbCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
7076 | pbCodeBuf[off++] = 0xf6;
|
---|
7077 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7078 | pbCodeBuf[off++] = (uint8_t)fBits;
|
---|
7079 | }
|
---|
7080 | else
|
---|
7081 | {
|
---|
7082 | if (iGprSrc >= 8)
|
---|
7083 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
7084 | pbCodeBuf[off++] = 0xf7;
|
---|
7085 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7086 | pbCodeBuf[off++] = RT_BYTE1(fBits);
|
---|
7087 | pbCodeBuf[off++] = RT_BYTE2(fBits);
|
---|
7088 | pbCodeBuf[off++] = RT_BYTE3(fBits);
|
---|
7089 | pbCodeBuf[off++] = RT_BYTE4(fBits);
|
---|
7090 | }
|
---|
7091 | }
|
---|
7092 | /** @todo implement me. */
|
---|
7093 | else
|
---|
7094 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_EMIT_CASE_NOT_IMPLEMENTED_1));
|
---|
7095 |
|
---|
7096 | #elif defined(RT_ARCH_ARM64)
|
---|
7097 | uint32_t uImmR = 0;
|
---|
7098 | uint32_t uImmNandS = 0;
|
---|
7099 | if (Armv8A64ConvertMask64ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7100 | {
|
---|
7101 | /* ands xzr, iGprSrc, #fBits */
|
---|
7102 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7103 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR);
|
---|
7104 | }
|
---|
7105 | else
|
---|
7106 | {
|
---|
7107 | /* ands xzr, iGprSrc, iTmpReg */
|
---|
7108 | uint8_t const iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
|
---|
7109 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7110 | pu32CodeBuf[off++] = Armv8A64MkInstrAnds(ARMV8_A64_REG_XZR, iGprSrc, iTmpReg);
|
---|
7111 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
7112 | }
|
---|
7113 |
|
---|
7114 | #else
|
---|
7115 | # error "Port me!"
|
---|
7116 | #endif
|
---|
7117 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7118 | return off;
|
---|
7119 | }
|
---|
7120 |
|
---|
7121 |
|
---|
7122 | /**
|
---|
7123 | * Emits a test for any of the bits from @a fBits in the lower 32 bits of
|
---|
7124 | * @a iGprSrc, setting CPU flags accordingly.
|
---|
7125 | *
|
---|
7126 | * @note For ARM64 this only supports @a fBits values that can be expressed
|
---|
7127 | * using the two 6-bit immediates of the ANDS instruction. The caller
|
---|
7128 | * must make sure this is possible!
|
---|
7129 | */
|
---|
7130 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7131 | iemNativeEmitTestAnyBitsInGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint32_t fBits)
|
---|
7132 | {
|
---|
7133 | Assert(fBits != 0);
|
---|
7134 |
|
---|
7135 | #ifdef RT_ARCH_AMD64
|
---|
7136 | if (fBits <= UINT8_MAX)
|
---|
7137 | {
|
---|
7138 | /* test Eb, imm8 */
|
---|
7139 | if (iGprSrc >= 4)
|
---|
7140 | pCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
7141 | pCodeBuf[off++] = 0xf6;
|
---|
7142 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7143 | pCodeBuf[off++] = (uint8_t)fBits;
|
---|
7144 | }
|
---|
7145 | else
|
---|
7146 | {
|
---|
7147 | /* test Ev, imm32 */
|
---|
7148 | if (iGprSrc >= 8)
|
---|
7149 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
7150 | pCodeBuf[off++] = 0xf7;
|
---|
7151 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7152 | pCodeBuf[off++] = RT_BYTE1(fBits);
|
---|
7153 | pCodeBuf[off++] = RT_BYTE2(fBits);
|
---|
7154 | pCodeBuf[off++] = RT_BYTE3(fBits);
|
---|
7155 | pCodeBuf[off++] = RT_BYTE4(fBits);
|
---|
7156 | }
|
---|
7157 |
|
---|
7158 | #elif defined(RT_ARCH_ARM64)
|
---|
7159 | /* ands xzr, src, #fBits */
|
---|
7160 | uint32_t uImmR = 0;
|
---|
7161 | uint32_t uImmNandS = 0;
|
---|
7162 | if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7163 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
7164 | else
|
---|
7165 | # ifdef IEM_WITH_THROW_CATCH
|
---|
7166 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
7167 | # else
|
---|
7168 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
7169 | # endif
|
---|
7170 |
|
---|
7171 | #else
|
---|
7172 | # error "Port me!"
|
---|
7173 | #endif
|
---|
7174 | return off;
|
---|
7175 | }
|
---|
7176 |
|
---|
7177 |
|
---|
7178 |
|
---|
7179 | /**
|
---|
7180 | * Emits a test for any of the bits from @a fBits in the lower 8 bits of
|
---|
7181 | * @a iGprSrc, setting CPU flags accordingly.
|
---|
7182 | *
|
---|
7183 | * @note For ARM64 this only supports @a fBits values that can be expressed
|
---|
7184 | * using the two 6-bit immediates of the ANDS instruction. The caller
|
---|
7185 | * must make sure this is possible!
|
---|
7186 | */
|
---|
7187 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7188 | iemNativeEmitTestAnyBitsInGpr8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t fBits)
|
---|
7189 | {
|
---|
7190 | Assert(fBits != 0);
|
---|
7191 |
|
---|
7192 | #ifdef RT_ARCH_AMD64
|
---|
7193 | /* test Eb, imm8 */
|
---|
7194 | if (iGprSrc >= 4)
|
---|
7195 | pCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
7196 | pCodeBuf[off++] = 0xf6;
|
---|
7197 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7198 | pCodeBuf[off++] = fBits;
|
---|
7199 |
|
---|
7200 | #elif defined(RT_ARCH_ARM64)
|
---|
7201 | /* ands xzr, src, #fBits */
|
---|
7202 | uint32_t uImmR = 0;
|
---|
7203 | uint32_t uImmNandS = 0;
|
---|
7204 | if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7205 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
7206 | else
|
---|
7207 | # ifdef IEM_WITH_THROW_CATCH
|
---|
7208 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
7209 | # else
|
---|
7210 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
7211 | # endif
|
---|
7212 |
|
---|
7213 | #else
|
---|
7214 | # error "Port me!"
|
---|
7215 | #endif
|
---|
7216 | return off;
|
---|
7217 | }
|
---|
7218 |
|
---|
7219 |
|
---|
7220 | /**
|
---|
7221 | * Emits a test for any of the bits from @a fBits in the lower 8 bits of
|
---|
7222 | * @a iGprSrc, setting CPU flags accordingly.
|
---|
7223 | */
|
---|
7224 | DECL_INLINE_THROW(uint32_t)
|
---|
7225 | iemNativeEmitTestAnyBitsInGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint8_t fBits)
|
---|
7226 | {
|
---|
7227 | Assert(fBits != 0);
|
---|
7228 |
|
---|
7229 | #ifdef RT_ARCH_AMD64
|
---|
7230 | off = iemNativeEmitTestAnyBitsInGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprSrc, fBits);
|
---|
7231 |
|
---|
7232 | #elif defined(RT_ARCH_ARM64)
|
---|
7233 | /* ands xzr, src, [tmp|#imm] */
|
---|
7234 | uint32_t uImmR = 0;
|
---|
7235 | uint32_t uImmNandS = 0;
|
---|
7236 | if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7237 | {
|
---|
7238 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7239 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
7240 | }
|
---|
7241 | else
|
---|
7242 | {
|
---|
7243 | /* Use temporary register for the 64-bit immediate. */
|
---|
7244 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
|
---|
7245 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7246 | pu32CodeBuf[off++] = Armv8A64MkInstrAnds(ARMV8_A64_REG_XZR, iGprSrc, iTmpReg, false /*f64Bit*/);
|
---|
7247 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
7248 | }
|
---|
7249 |
|
---|
7250 | #else
|
---|
7251 | # error "Port me!"
|
---|
7252 | #endif
|
---|
7253 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7254 | return off;
|
---|
7255 | }
|
---|
7256 |
|
---|
7257 |
|
---|
7258 | /**
|
---|
7259 | * Emits a jump to @a idxLabel on the condition _any_ of the bits in @a fBits
|
---|
7260 | * are set in @a iGprSrc.
|
---|
7261 | */
|
---|
7262 | DECL_INLINE_THROW(uint32_t)
|
---|
7263 | iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfAnySet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7264 | uint8_t iGprSrc, uint64_t fBits, uint32_t idxLabel)
|
---|
7265 | {
|
---|
7266 | Assert(fBits); Assert(!RT_IS_POWER_OF_TWO(fBits));
|
---|
7267 |
|
---|
7268 | off = iemNativeEmitTestAnyBitsInGpr(pReNative, off, iGprSrc, fBits);
|
---|
7269 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7270 |
|
---|
7271 | return off;
|
---|
7272 | }
|
---|
7273 |
|
---|
7274 |
|
---|
7275 | /**
|
---|
7276 | * Emits a jump to @a idxLabel on the condition _none_ of the bits in @a fBits
|
---|
7277 | * are set in @a iGprSrc.
|
---|
7278 | */
|
---|
7279 | DECL_INLINE_THROW(uint32_t)
|
---|
7280 | iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfNoneSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7281 | uint8_t iGprSrc, uint64_t fBits, uint32_t idxLabel)
|
---|
7282 | {
|
---|
7283 | Assert(fBits); Assert(!RT_IS_POWER_OF_TWO(fBits));
|
---|
7284 |
|
---|
7285 | off = iemNativeEmitTestAnyBitsInGpr(pReNative, off, iGprSrc, fBits);
|
---|
7286 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7287 |
|
---|
7288 | return off;
|
---|
7289 | }
|
---|
7290 |
|
---|
7291 |
|
---|
7292 | /**
|
---|
7293 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7294 | *
|
---|
7295 | * The operand size is given by @a f64Bit.
|
---|
7296 | */
|
---|
7297 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7298 | iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
7299 | uint8_t iGprSrc, bool f64Bit, bool fJmpIfNotZero, uint32_t idxLabel)
|
---|
7300 | {
|
---|
7301 | Assert(idxLabel < pReNative->cLabels);
|
---|
7302 |
|
---|
7303 | #ifdef RT_ARCH_AMD64
|
---|
7304 | /* test reg32,reg32 / test reg64,reg64 */
|
---|
7305 | if (f64Bit)
|
---|
7306 | pCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_R | X86_OP_REX_B);
|
---|
7307 | else if (iGprSrc >= 8)
|
---|
7308 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
7309 | pCodeBuf[off++] = 0x85;
|
---|
7310 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprSrc & 7, iGprSrc & 7);
|
---|
7311 |
|
---|
7312 | /* jnz idxLabel */
|
---|
7313 | off = iemNativeEmitJccToLabelEx(pReNative, pCodeBuf, off, idxLabel,
|
---|
7314 | fJmpIfNotZero ? kIemNativeInstrCond_ne : kIemNativeInstrCond_e);
|
---|
7315 |
|
---|
7316 | #elif defined(RT_ARCH_ARM64)
|
---|
7317 | if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
|
---|
7318 | {
|
---|
7319 | pCodeBuf[off] = Armv8A64MkInstrCbzCbnz(fJmpIfNotZero, (int32_t)(pReNative->paLabels[idxLabel].off - off),
|
---|
7320 | iGprSrc, f64Bit);
|
---|
7321 | off++;
|
---|
7322 | }
|
---|
7323 | else
|
---|
7324 | {
|
---|
7325 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
|
---|
7326 | pCodeBuf[off++] = Armv8A64MkInstrCbzCbnz(fJmpIfNotZero, 0, iGprSrc, f64Bit);
|
---|
7327 | }
|
---|
7328 |
|
---|
7329 | #else
|
---|
7330 | # error "Port me!"
|
---|
7331 | #endif
|
---|
7332 | return off;
|
---|
7333 | }
|
---|
7334 |
|
---|
7335 |
|
---|
7336 | /**
|
---|
7337 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7338 | *
|
---|
7339 | * The operand size is given by @a f64Bit.
|
---|
7340 | */
|
---|
7341 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7342 | iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc,
|
---|
7343 | bool f64Bit, bool fJmpIfNotZero, uint32_t idxLabel)
|
---|
7344 | {
|
---|
7345 | #ifdef RT_ARCH_AMD64
|
---|
7346 | off = iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 3 + 6),
|
---|
7347 | off, iGprSrc, f64Bit, fJmpIfNotZero, idxLabel);
|
---|
7348 | #elif defined(RT_ARCH_ARM64)
|
---|
7349 | off = iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1),
|
---|
7350 | off, iGprSrc, f64Bit, fJmpIfNotZero, idxLabel);
|
---|
7351 | #else
|
---|
7352 | # error "Port me!"
|
---|
7353 | #endif
|
---|
7354 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7355 | return off;
|
---|
7356 | }
|
---|
7357 |
|
---|
7358 |
|
---|
7359 | /* if (Grp1 == 0) Jmp idxLabel; */
|
---|
7360 |
|
---|
7361 | /**
|
---|
7362 | * Emits code that jumps to @a idxLabel if @a iGprSrc is zero.
|
---|
7363 | *
|
---|
7364 | * The operand size is given by @a f64Bit.
|
---|
7365 | */
|
---|
7366 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7367 | iemNativeEmitTestIfGprIsZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
7368 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7369 | {
|
---|
7370 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, pCodeBuf, off, iGprSrc,
|
---|
7371 | f64Bit, false /*fJmpIfNotZero*/, idxLabel);
|
---|
7372 | }
|
---|
7373 |
|
---|
7374 |
|
---|
7375 | /**
|
---|
7376 | * Emits code that jumps to @a idxLabel if @a iGprSrc is zero.
|
---|
7377 | *
|
---|
7378 | * The operand size is given by @a f64Bit.
|
---|
7379 | */
|
---|
7380 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGprIsZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7381 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7382 | {
|
---|
7383 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, false /*fJmpIfNotZero*/, idxLabel);
|
---|
7384 | }
|
---|
7385 |
|
---|
7386 |
|
---|
7387 | /**
|
---|
7388 | * Emits code that jumps to a new label if @a iGprSrc is zero.
|
---|
7389 | *
|
---|
7390 | * The operand size is given by @a f64Bit.
|
---|
7391 | */
|
---|
7392 | DECL_INLINE_THROW(uint32_t)
|
---|
7393 | iemNativeEmitTestIfGprIsZeroAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, bool f64Bit,
|
---|
7394 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7395 | {
|
---|
7396 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7397 | return iemNativeEmitTestIfGprIsZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, idxLabel);
|
---|
7398 | }
|
---|
7399 |
|
---|
7400 |
|
---|
7401 | /* if (Grp1 != 0) Jmp idxLabel; */
|
---|
7402 |
|
---|
7403 | /**
|
---|
7404 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7405 | *
|
---|
7406 | * The operand size is given by @a f64Bit.
|
---|
7407 | */
|
---|
7408 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7409 | iemNativeEmitTestIfGprIsNotZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
7410 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7411 | {
|
---|
7412 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, pCodeBuf, off, iGprSrc,
|
---|
7413 | f64Bit, true /*fJmpIfNotZero*/, idxLabel);
|
---|
7414 | }
|
---|
7415 |
|
---|
7416 |
|
---|
7417 | /**
|
---|
7418 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7419 | *
|
---|
7420 | * The operand size is given by @a f64Bit.
|
---|
7421 | */
|
---|
7422 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGprIsNotZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7423 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7424 | {
|
---|
7425 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, true /*fJmpIfNotZero*/, idxLabel);
|
---|
7426 | }
|
---|
7427 |
|
---|
7428 |
|
---|
7429 | /**
|
---|
7430 | * Emits code that jumps to a new label if @a iGprSrc is not zero.
|
---|
7431 | *
|
---|
7432 | * The operand size is given by @a f64Bit.
|
---|
7433 | */
|
---|
7434 | DECL_INLINE_THROW(uint32_t)
|
---|
7435 | iemNativeEmitTestIfGprIsNotZeroAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, bool f64Bit,
|
---|
7436 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7437 | {
|
---|
7438 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7439 | return iemNativeEmitTestIfGprIsNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, idxLabel);
|
---|
7440 | }
|
---|
7441 |
|
---|
7442 |
|
---|
7443 | /* if (Grp1 != Gpr2) Jmp idxLabel; */
|
---|
7444 |
|
---|
7445 | /**
|
---|
7446 | * Emits code that jumps to the given label if @a iGprLeft and @a iGprRight
|
---|
7447 | * differs.
|
---|
7448 | */
|
---|
7449 | DECL_INLINE_THROW(uint32_t)
|
---|
7450 | iemNativeEmitTestIfGprNotEqualGprAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7451 | uint8_t iGprLeft, uint8_t iGprRight, uint32_t idxLabel)
|
---|
7452 | {
|
---|
7453 | off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iGprRight);
|
---|
7454 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7455 | return off;
|
---|
7456 | }
|
---|
7457 |
|
---|
7458 |
|
---|
7459 | /**
|
---|
7460 | * Emits code that jumps to a new label if @a iGprLeft and @a iGprRight differs.
|
---|
7461 | */
|
---|
7462 | DECL_INLINE_THROW(uint32_t)
|
---|
7463 | iemNativeEmitTestIfGprNotEqualGprAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7464 | uint8_t iGprLeft, uint8_t iGprRight,
|
---|
7465 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7466 | {
|
---|
7467 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7468 | return iemNativeEmitTestIfGprNotEqualGprAndJmpToLabel(pReNative, off, iGprLeft, iGprRight, idxLabel);
|
---|
7469 | }
|
---|
7470 |
|
---|
7471 |
|
---|
7472 | /* if (Grp != Imm) Jmp idxLabel; */
|
---|
7473 |
|
---|
7474 | /**
|
---|
7475 | * Emits code that jumps to the given label if @a iGprSrc differs from @a uImm.
|
---|
7476 | */
|
---|
7477 | DECL_INLINE_THROW(uint32_t)
|
---|
7478 | iemNativeEmitTestIfGprNotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7479 | uint8_t iGprSrc, uint64_t uImm, uint32_t idxLabel)
|
---|
7480 | {
|
---|
7481 | off = iemNativeEmitCmpGprWithImm(pReNative, off, iGprSrc, uImm);
|
---|
7482 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7483 | return off;
|
---|
7484 | }
|
---|
7485 |
|
---|
7486 |
|
---|
7487 | /**
|
---|
7488 | * Emits code that jumps to a new label if @a iGprSrc differs from @a uImm.
|
---|
7489 | */
|
---|
7490 | DECL_INLINE_THROW(uint32_t)
|
---|
7491 | iemNativeEmitTestIfGprNotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7492 | uint8_t iGprSrc, uint64_t uImm,
|
---|
7493 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7494 | {
|
---|
7495 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7496 | return iemNativeEmitTestIfGprNotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7497 | }
|
---|
7498 |
|
---|
7499 |
|
---|
7500 | /**
|
---|
7501 | * Emits code that jumps to the given label if 32-bit @a iGprSrc differs from
|
---|
7502 | * @a uImm.
|
---|
7503 | */
|
---|
7504 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr32NotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7505 | uint8_t iGprSrc, uint32_t uImm, uint32_t idxLabel)
|
---|
7506 | {
|
---|
7507 | off = iemNativeEmitCmpGpr32WithImm(pReNative, off, iGprSrc, uImm);
|
---|
7508 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7509 | return off;
|
---|
7510 | }
|
---|
7511 |
|
---|
7512 |
|
---|
7513 | /**
|
---|
7514 | * Emits code that jumps to a new label if 32-bit @a iGprSrc differs from
|
---|
7515 | * @a uImm.
|
---|
7516 | */
|
---|
7517 | DECL_INLINE_THROW(uint32_t)
|
---|
7518 | iemNativeEmitTestIfGpr32NotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7519 | uint8_t iGprSrc, uint32_t uImm,
|
---|
7520 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7521 | {
|
---|
7522 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7523 | return iemNativeEmitTestIfGpr32NotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7524 | }
|
---|
7525 |
|
---|
7526 |
|
---|
7527 | /**
|
---|
7528 | * Emits code that jumps to the given label if 16-bit @a iGprSrc differs from
|
---|
7529 | * @a uImm.
|
---|
7530 | */
|
---|
7531 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr16NotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7532 | uint8_t iGprSrc, uint16_t uImm, uint32_t idxLabel)
|
---|
7533 | {
|
---|
7534 | off = iemNativeEmitCmpGpr16WithImm(pReNative, off, iGprSrc, uImm);
|
---|
7535 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7536 | return off;
|
---|
7537 | }
|
---|
7538 |
|
---|
7539 |
|
---|
7540 | /**
|
---|
7541 | * Emits code that jumps to a new label if 16-bit @a iGprSrc differs from
|
---|
7542 | * @a uImm.
|
---|
7543 | */
|
---|
7544 | DECL_INLINE_THROW(uint32_t)
|
---|
7545 | iemNativeEmitTestIfGpr16NotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7546 | uint8_t iGprSrc, uint16_t uImm,
|
---|
7547 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7548 | {
|
---|
7549 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7550 | return iemNativeEmitTestIfGpr16NotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7551 | }
|
---|
7552 |
|
---|
7553 |
|
---|
7554 | /* if (Grp == Imm) Jmp idxLabel; */
|
---|
7555 |
|
---|
7556 | /**
|
---|
7557 | * Emits code that jumps to the given label if @a iGprSrc equals @a uImm.
|
---|
7558 | */
|
---|
7559 | DECL_INLINE_THROW(uint32_t)
|
---|
7560 | iemNativeEmitTestIfGprEqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7561 | uint8_t iGprSrc, uint64_t uImm, uint32_t idxLabel)
|
---|
7562 | {
|
---|
7563 | off = iemNativeEmitCmpGprWithImm(pReNative, off, iGprSrc, uImm);
|
---|
7564 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7565 | return off;
|
---|
7566 | }
|
---|
7567 |
|
---|
7568 |
|
---|
7569 | /**
|
---|
7570 | * Emits code that jumps to a new label if @a iGprSrc equals from @a uImm.
|
---|
7571 | */
|
---|
7572 | DECL_INLINE_THROW(uint32_t)
|
---|
7573 | iemNativeEmitTestIfGprEqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint64_t uImm,
|
---|
7574 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7575 | {
|
---|
7576 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7577 | return iemNativeEmitTestIfGprEqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7578 | }
|
---|
7579 |
|
---|
7580 |
|
---|
7581 | /**
|
---|
7582 | * Emits code that jumps to the given label if 32-bit @a iGprSrc equals @a uImm.
|
---|
7583 | */
|
---|
7584 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr32EqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7585 | uint8_t iGprSrc, uint32_t uImm, uint32_t idxLabel)
|
---|
7586 | {
|
---|
7587 | off = iemNativeEmitCmpGpr32WithImm(pReNative, off, iGprSrc, uImm);
|
---|
7588 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7589 | return off;
|
---|
7590 | }
|
---|
7591 |
|
---|
7592 |
|
---|
7593 | /**
|
---|
7594 | * Emits code that jumps to a new label if 32-bit @a iGprSrc equals @a uImm.
|
---|
7595 | */
|
---|
7596 | DECL_INLINE_THROW(uint32_t)
|
---|
7597 | iemNativeEmitTestIfGpr32EqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint32_t uImm,
|
---|
7598 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7599 | {
|
---|
7600 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7601 | return iemNativeEmitTestIfGpr32EqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7602 | }
|
---|
7603 |
|
---|
7604 |
|
---|
7605 | /**
|
---|
7606 | * Emits code that jumps to the given label if 16-bit @a iGprSrc equals @a uImm.
|
---|
7607 | *
|
---|
7608 | * @note ARM64: Helper register is required (idxTmpReg).
|
---|
7609 | */
|
---|
7610 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr16EqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7611 | uint8_t iGprSrc, uint16_t uImm, uint32_t idxLabel,
|
---|
7612 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
7613 | {
|
---|
7614 | off = iemNativeEmitCmpGpr16WithImm(pReNative, off, iGprSrc, uImm, idxTmpReg);
|
---|
7615 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7616 | return off;
|
---|
7617 | }
|
---|
7618 |
|
---|
7619 |
|
---|
7620 | /**
|
---|
7621 | * Emits code that jumps to a new label if 16-bit @a iGprSrc equals @a uImm.
|
---|
7622 | *
|
---|
7623 | * @note ARM64: Helper register is required (idxTmpReg).
|
---|
7624 | */
|
---|
7625 | DECL_INLINE_THROW(uint32_t)
|
---|
7626 | iemNativeEmitTestIfGpr16EqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint16_t uImm,
|
---|
7627 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0,
|
---|
7628 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
7629 | {
|
---|
7630 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7631 | return iemNativeEmitTestIfGpr16EqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel, idxTmpReg);
|
---|
7632 | }
|
---|
7633 |
|
---|
7634 |
|
---|
7635 | /*********************************************************************************************************************************
|
---|
7636 | * Calls. *
|
---|
7637 | *********************************************************************************************************************************/
|
---|
7638 |
|
---|
7639 | /**
|
---|
7640 | * Emits a call to a 64-bit address.
|
---|
7641 | */
|
---|
7642 | DECL_INLINE_THROW(uint32_t) iemNativeEmitCallImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uintptr_t uPfn)
|
---|
7643 | {
|
---|
7644 | #ifdef RT_ARCH_AMD64
|
---|
7645 | off = iemNativeEmitLoadGprImm64(pReNative, off, X86_GREG_xAX, uPfn);
|
---|
7646 |
|
---|
7647 | /* call rax */
|
---|
7648 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
7649 | pbCodeBuf[off++] = 0xff;
|
---|
7650 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, X86_GREG_xAX);
|
---|
7651 |
|
---|
7652 | #elif defined(RT_ARCH_ARM64)
|
---|
7653 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, uPfn);
|
---|
7654 |
|
---|
7655 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7656 | pu32CodeBuf[off++] = Armv8A64MkInstrBlr(IEMNATIVE_REG_FIXED_TMP0);
|
---|
7657 |
|
---|
7658 | #else
|
---|
7659 | # error "port me"
|
---|
7660 | #endif
|
---|
7661 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7662 | return off;
|
---|
7663 | }
|
---|
7664 |
|
---|
7665 |
|
---|
7666 | /**
|
---|
7667 | * Emits code to load a stack variable into an argument GPR.
|
---|
7668 | * @throws VERR_IEM_VAR_NOT_INITIALIZED, VERR_IEM_VAR_UNEXPECTED_KIND
|
---|
7669 | */
|
---|
7670 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7671 | iemNativeEmitLoadArgGregFromStackVar(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7672 | int32_t offAddend = 0, uint32_t fHstVolatileRegsAllowed = UINT32_MAX,
|
---|
7673 | bool fSpilledVarsInVolatileRegs = false)
|
---|
7674 | {
|
---|
7675 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7676 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7677 | AssertStmt(pVar->enmKind == kIemNativeVarKind_Stack, IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7678 |
|
---|
7679 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7680 | if ( idxRegVar < RT_ELEMENTS(pReNative->Core.aHstRegs)
|
---|
7681 | && ( (RT_BIT_32(idxRegVar) & (~IEMNATIVE_CALL_VOLATILE_GREG_MASK | fHstVolatileRegsAllowed))
|
---|
7682 | || !fSpilledVarsInVolatileRegs ))
|
---|
7683 | {
|
---|
7684 | AssertStmt( !(RT_BIT_32(idxRegVar) & IEMNATIVE_CALL_VOLATILE_GREG_MASK)
|
---|
7685 | || (RT_BIT_32(idxRegVar) & fHstVolatileRegsAllowed),
|
---|
7686 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_REG_IPE_13));
|
---|
7687 | if (!offAddend)
|
---|
7688 | {
|
---|
7689 | if (idxRegArg != idxRegVar)
|
---|
7690 | off = iemNativeEmitLoadGprFromGpr(pReNative, off, idxRegArg, idxRegVar);
|
---|
7691 | }
|
---|
7692 | else
|
---|
7693 | off = iemNativeEmitLoadGprFromGprWithAddend(pReNative, off, idxRegArg, idxRegVar, offAddend);
|
---|
7694 | }
|
---|
7695 | else
|
---|
7696 | {
|
---|
7697 | uint8_t const idxStackSlot = pVar->idxStackSlot;
|
---|
7698 | AssertStmt(idxStackSlot != UINT8_MAX, IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_NOT_INITIALIZED));
|
---|
7699 | off = iemNativeEmitLoadGprByBp(pReNative, off, idxRegArg, iemNativeStackCalcBpDisp(idxStackSlot));
|
---|
7700 | if (offAddend)
|
---|
7701 | off = iemNativeEmitAddGprImm(pReNative, off, idxRegArg, offAddend);
|
---|
7702 | }
|
---|
7703 | return off;
|
---|
7704 | }
|
---|
7705 |
|
---|
7706 |
|
---|
7707 | /**
|
---|
7708 | * Emits code to load a stack or immediate variable value into an argument GPR,
|
---|
7709 | * optional with a addend.
|
---|
7710 | * @throws VERR_IEM_VAR_NOT_INITIALIZED, VERR_IEM_VAR_UNEXPECTED_KIND
|
---|
7711 | */
|
---|
7712 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7713 | iemNativeEmitLoadArgGregFromImmOrStackVar(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7714 | int32_t offAddend = 0, uint32_t fHstVolatileRegsAllowed = 0,
|
---|
7715 | bool fSpilledVarsInVolatileRegs = false)
|
---|
7716 | {
|
---|
7717 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7718 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7719 | if (pVar->enmKind == kIemNativeVarKind_Immediate)
|
---|
7720 | off = iemNativeEmitLoadGprImm64(pReNative, off, idxRegArg, pVar->u.uValue + offAddend);
|
---|
7721 | else
|
---|
7722 | off = iemNativeEmitLoadArgGregFromStackVar(pReNative, off, idxRegArg, idxVar, offAddend,
|
---|
7723 | fHstVolatileRegsAllowed, fSpilledVarsInVolatileRegs);
|
---|
7724 | return off;
|
---|
7725 | }
|
---|
7726 |
|
---|
7727 |
|
---|
7728 | /**
|
---|
7729 | * Emits code to load the variable address into an argument GPR.
|
---|
7730 | *
|
---|
7731 | * This only works for uninitialized and stack variables.
|
---|
7732 | */
|
---|
7733 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7734 | iemNativeEmitLoadArgGregWithVarAddr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7735 | bool fFlushShadows)
|
---|
7736 | {
|
---|
7737 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7738 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7739 | AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
|
---|
7740 | || pVar->enmKind == kIemNativeVarKind_Stack,
|
---|
7741 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7742 | AssertStmt(!pVar->fSimdReg,
|
---|
7743 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7744 |
|
---|
7745 | uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
|
---|
7746 | int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
|
---|
7747 |
|
---|
7748 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7749 | if (idxRegVar < RT_ELEMENTS(pReNative->Core.aHstRegs))
|
---|
7750 | {
|
---|
7751 | off = iemNativeEmitStoreGprByBp(pReNative, off, offBpDisp, idxRegVar);
|
---|
7752 | iemNativeRegFreeVar(pReNative, idxRegVar, fFlushShadows);
|
---|
7753 | Assert(pVar->idxReg == UINT8_MAX);
|
---|
7754 | }
|
---|
7755 | Assert( pVar->idxStackSlot != UINT8_MAX
|
---|
7756 | && pVar->idxReg == UINT8_MAX);
|
---|
7757 |
|
---|
7758 | return iemNativeEmitLeaGprByBp(pReNative, off, idxRegArg, offBpDisp);
|
---|
7759 | }
|
---|
7760 |
|
---|
7761 |
|
---|
7762 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
7763 | /**
|
---|
7764 | * Emits code to load the variable address into an argument GPR.
|
---|
7765 | *
|
---|
7766 | * This is a special variant intended for SIMD variables only and only called
|
---|
7767 | * by the TLB miss path in the memory fetch/store code because there we pass
|
---|
7768 | * the value by reference and need both the register and stack depending on which
|
---|
7769 | * path is taken (TLB hit vs. miss).
|
---|
7770 | */
|
---|
7771 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7772 | iemNativeEmitLoadArgGregWithSimdVarAddrForMemAccess(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7773 | bool fSyncRegWithStack = true)
|
---|
7774 | {
|
---|
7775 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7776 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7777 | AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
|
---|
7778 | || pVar->enmKind == kIemNativeVarKind_Stack,
|
---|
7779 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7780 | AssertStmt(pVar->fSimdReg,
|
---|
7781 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7782 | Assert( pVar->idxStackSlot != UINT8_MAX
|
---|
7783 | && pVar->idxReg != UINT8_MAX);
|
---|
7784 |
|
---|
7785 | uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
|
---|
7786 | int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
|
---|
7787 |
|
---|
7788 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7789 | Assert(idxRegVar < RT_ELEMENTS(pReNative->Core.aHstSimdRegs));
|
---|
7790 | Assert(pVar->cbVar == sizeof(RTUINT128U) || pVar->cbVar == sizeof(RTUINT256U));
|
---|
7791 |
|
---|
7792 | if (fSyncRegWithStack)
|
---|
7793 | {
|
---|
7794 | if (pVar->cbVar == sizeof(RTUINT128U))
|
---|
7795 | off = iemNativeEmitStoreVecRegByBpU128(pReNative, off, offBpDisp, idxRegVar);
|
---|
7796 | else
|
---|
7797 | off = iemNativeEmitStoreVecRegByBpU256(pReNative, off, offBpDisp, idxRegVar);
|
---|
7798 | }
|
---|
7799 |
|
---|
7800 | return iemNativeEmitLeaGprByBp(pReNative, off, idxRegArg, offBpDisp);
|
---|
7801 | }
|
---|
7802 |
|
---|
7803 |
|
---|
7804 | /**
|
---|
7805 | * Emits code to sync the host SIMD register assigned to the given SIMD variable.
|
---|
7806 | *
|
---|
7807 | * This is a special helper and only called
|
---|
7808 | * by the TLB miss path in the memory fetch/store code because there we pass
|
---|
7809 | * the value by reference and need to sync the value on the stack with the assigned host register
|
---|
7810 | * after a TLB miss where the value ends up on the stack.
|
---|
7811 | */
|
---|
7812 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7813 | iemNativeEmitSimdVarSyncStackToRegister(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxVar)
|
---|
7814 | {
|
---|
7815 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7816 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7817 | AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
|
---|
7818 | || pVar->enmKind == kIemNativeVarKind_Stack,
|
---|
7819 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7820 | AssertStmt(pVar->fSimdReg,
|
---|
7821 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7822 | Assert( pVar->idxStackSlot != UINT8_MAX
|
---|
7823 | && pVar->idxReg != UINT8_MAX);
|
---|
7824 |
|
---|
7825 | uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
|
---|
7826 | int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
|
---|
7827 |
|
---|
7828 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7829 | Assert(idxRegVar < RT_ELEMENTS(pReNative->Core.aHstSimdRegs));
|
---|
7830 | Assert(pVar->cbVar == sizeof(RTUINT128U) || pVar->cbVar == sizeof(RTUINT256U));
|
---|
7831 |
|
---|
7832 | if (pVar->cbVar == sizeof(RTUINT128U))
|
---|
7833 | off = iemNativeEmitLoadVecRegByBpU128(pReNative, off, idxRegVar, offBpDisp);
|
---|
7834 | else
|
---|
7835 | off = iemNativeEmitLoadVecRegByBpU256(pReNative, off, idxRegVar, offBpDisp);
|
---|
7836 |
|
---|
7837 | return off;
|
---|
7838 | }
|
---|
7839 |
|
---|
7840 |
|
---|
7841 | /**
|
---|
7842 | * Emits a gprdst = ~gprsrc store.
|
---|
7843 | */
|
---|
7844 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7845 | iemNativeEmitInvBitsGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool f64Bit = true)
|
---|
7846 | {
|
---|
7847 | #ifdef RT_ARCH_AMD64
|
---|
7848 | if (iGprDst != iGprSrc)
|
---|
7849 | {
|
---|
7850 | /* mov gprdst, gprsrc. */
|
---|
7851 | if (f64Bit)
|
---|
7852 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
7853 | else
|
---|
7854 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc); /* Bits 32:63 are cleared. */
|
---|
7855 | }
|
---|
7856 |
|
---|
7857 | /* not gprdst */
|
---|
7858 | if (f64Bit || iGprDst >= 8)
|
---|
7859 | pCodeBuf[off++] = (f64Bit ? X86_OP_REX_W : 0)
|
---|
7860 | | (iGprDst >= 8 ? X86_OP_REX_B : 0);
|
---|
7861 | pCodeBuf[off++] = 0xf7;
|
---|
7862 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
|
---|
7863 | #elif defined(RT_ARCH_ARM64)
|
---|
7864 | pCodeBuf[off++] = Armv8A64MkInstrOrn(iGprDst, ARMV8_A64_REG_XZR, iGprSrc, f64Bit);
|
---|
7865 | #else
|
---|
7866 | # error "port me"
|
---|
7867 | #endif
|
---|
7868 | return off;
|
---|
7869 | }
|
---|
7870 |
|
---|
7871 |
|
---|
7872 | /**
|
---|
7873 | * Emits a gprdst = ~gprsrc store.
|
---|
7874 | */
|
---|
7875 | DECL_INLINE_THROW(uint32_t)
|
---|
7876 | iemNativeEmitInvBitsGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool f64Bit = true)
|
---|
7877 | {
|
---|
7878 | #ifdef RT_ARCH_AMD64
|
---|
7879 | off = iemNativeEmitInvBitsGprEx(iemNativeInstrBufEnsure(pReNative, off, 9), off, iGprDst, iGprSrc, f64Bit);
|
---|
7880 | #elif defined(RT_ARCH_ARM64)
|
---|
7881 | off = iemNativeEmitInvBitsGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, f64Bit);
|
---|
7882 | #else
|
---|
7883 | # error "port me"
|
---|
7884 | #endif
|
---|
7885 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7886 | return off;
|
---|
7887 | }
|
---|
7888 |
|
---|
7889 |
|
---|
7890 | /**
|
---|
7891 | * Emits a 128-bit vector register store to a VCpu value.
|
---|
7892 | */
|
---|
7893 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7894 | iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7895 | {
|
---|
7896 | #ifdef RT_ARCH_AMD64
|
---|
7897 | /* movdqa mem128, reg128 */ /* ASSUMING an aligned location here. */
|
---|
7898 | pCodeBuf[off++] = 0x66;
|
---|
7899 | if (iVecReg >= 8)
|
---|
7900 | pCodeBuf[off++] = X86_OP_REX_R;
|
---|
7901 | pCodeBuf[off++] = 0x0f;
|
---|
7902 | pCodeBuf[off++] = 0x7f;
|
---|
7903 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
7904 | #elif defined(RT_ARCH_ARM64)
|
---|
7905 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
7906 |
|
---|
7907 | #else
|
---|
7908 | # error "port me"
|
---|
7909 | #endif
|
---|
7910 | return off;
|
---|
7911 | }
|
---|
7912 |
|
---|
7913 |
|
---|
7914 | /**
|
---|
7915 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
7916 | */
|
---|
7917 | DECL_INLINE_THROW(uint32_t)
|
---|
7918 | iemNativeEmitSimdStoreVecRegToVCpuLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7919 | {
|
---|
7920 | #ifdef RT_ARCH_AMD64
|
---|
7921 | off = iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 9), off, iVecReg, offVCpu);
|
---|
7922 | #elif defined(RT_ARCH_ARM64)
|
---|
7923 | off = iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, offVCpu);
|
---|
7924 | #else
|
---|
7925 | # error "port me"
|
---|
7926 | #endif
|
---|
7927 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7928 | return off;
|
---|
7929 | }
|
---|
7930 |
|
---|
7931 |
|
---|
7932 | /**
|
---|
7933 | * Emits a high 128-bit vector register store to a VCpu value.
|
---|
7934 | */
|
---|
7935 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7936 | iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7937 | {
|
---|
7938 | #ifdef RT_ARCH_AMD64
|
---|
7939 | /* vextracti128 mem128, reg128, 1 */ /* ASSUMES AVX2 support. */
|
---|
7940 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
7941 | if (iVecReg >= 8)
|
---|
7942 | pCodeBuf[off++] = 0x63;
|
---|
7943 | else
|
---|
7944 | pCodeBuf[off++] = 0xe3;
|
---|
7945 | pCodeBuf[off++] = 0x7d;
|
---|
7946 | pCodeBuf[off++] = 0x39;
|
---|
7947 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
7948 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
7949 | #elif defined(RT_ARCH_ARM64)
|
---|
7950 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
7951 | #else
|
---|
7952 | # error "port me"
|
---|
7953 | #endif
|
---|
7954 | return off;
|
---|
7955 | }
|
---|
7956 |
|
---|
7957 |
|
---|
7958 | /**
|
---|
7959 | * Emits a high 128-bit vector register load of a VCpu value.
|
---|
7960 | */
|
---|
7961 | DECL_INLINE_THROW(uint32_t)
|
---|
7962 | iemNativeEmitSimdStoreVecRegToVCpuHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7963 | {
|
---|
7964 | #ifdef RT_ARCH_AMD64
|
---|
7965 | off = iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, offVCpu);
|
---|
7966 | #elif defined(RT_ARCH_ARM64)
|
---|
7967 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
7968 | Assert(!(iVecReg & 0x1));
|
---|
7969 | off = iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg + 1, offVCpu);
|
---|
7970 | #else
|
---|
7971 | # error "port me"
|
---|
7972 | #endif
|
---|
7973 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7974 | return off;
|
---|
7975 | }
|
---|
7976 |
|
---|
7977 |
|
---|
7978 | /**
|
---|
7979 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
7980 | */
|
---|
7981 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7982 | iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7983 | {
|
---|
7984 | #ifdef RT_ARCH_AMD64
|
---|
7985 | /* movdqa reg128, mem128 */ /* ASSUMING an aligned location here. */
|
---|
7986 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
7987 | if (iVecReg >= 8)
|
---|
7988 | pCodeBuf[off++] = X86_OP_REX_R;
|
---|
7989 | pCodeBuf[off++] = 0x0f;
|
---|
7990 | pCodeBuf[off++] = 0x6f;
|
---|
7991 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
7992 | #elif defined(RT_ARCH_ARM64)
|
---|
7993 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
7994 |
|
---|
7995 | #else
|
---|
7996 | # error "port me"
|
---|
7997 | #endif
|
---|
7998 | return off;
|
---|
7999 | }
|
---|
8000 |
|
---|
8001 |
|
---|
8002 | /**
|
---|
8003 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8004 | */
|
---|
8005 | DECL_INLINE_THROW(uint32_t)
|
---|
8006 | iemNativeEmitSimdLoadVecRegFromVCpuLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8007 | {
|
---|
8008 | #ifdef RT_ARCH_AMD64
|
---|
8009 | off = iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 9), off, iVecReg, offVCpu);
|
---|
8010 | #elif defined(RT_ARCH_ARM64)
|
---|
8011 | off = iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, offVCpu);
|
---|
8012 | #else
|
---|
8013 | # error "port me"
|
---|
8014 | #endif
|
---|
8015 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8016 | return off;
|
---|
8017 | }
|
---|
8018 |
|
---|
8019 |
|
---|
8020 | /**
|
---|
8021 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8022 | */
|
---|
8023 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8024 | iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8025 | {
|
---|
8026 | #ifdef RT_ARCH_AMD64
|
---|
8027 | /* vinserti128 ymm, ymm, mem128, 1. */ /* ASSUMES AVX2 support */
|
---|
8028 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8029 | if (iVecReg >= 8)
|
---|
8030 | pCodeBuf[off++] = 0x63;
|
---|
8031 | else
|
---|
8032 | pCodeBuf[off++] = 0xe3;
|
---|
8033 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8034 | pCodeBuf[off++] = 0x38;
|
---|
8035 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
8036 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8037 | #elif defined(RT_ARCH_ARM64)
|
---|
8038 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
8039 | #else
|
---|
8040 | # error "port me"
|
---|
8041 | #endif
|
---|
8042 | return off;
|
---|
8043 | }
|
---|
8044 |
|
---|
8045 |
|
---|
8046 | /**
|
---|
8047 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8048 | */
|
---|
8049 | DECL_INLINE_THROW(uint32_t)
|
---|
8050 | iemNativeEmitSimdLoadVecRegFromVCpuHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8051 | {
|
---|
8052 | #ifdef RT_ARCH_AMD64
|
---|
8053 | off = iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, offVCpu);
|
---|
8054 | #elif defined(RT_ARCH_ARM64)
|
---|
8055 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8056 | Assert(!(iVecReg & 0x1));
|
---|
8057 | off = iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg + 1, offVCpu);
|
---|
8058 | #else
|
---|
8059 | # error "port me"
|
---|
8060 | #endif
|
---|
8061 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8062 | return off;
|
---|
8063 | }
|
---|
8064 |
|
---|
8065 |
|
---|
8066 | /**
|
---|
8067 | * Emits a vecdst = vecsrc load.
|
---|
8068 | */
|
---|
8069 | DECL_FORCE_INLINE(uint32_t)
|
---|
8070 | iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8071 | {
|
---|
8072 | #ifdef RT_ARCH_AMD64
|
---|
8073 | /* movdqu vecdst, vecsrc */
|
---|
8074 | pCodeBuf[off++] = 0xf3;
|
---|
8075 |
|
---|
8076 | if ((iVecRegDst | iVecRegSrc) >= 8)
|
---|
8077 | pCodeBuf[off++] = iVecRegDst < 8 ? X86_OP_REX_B
|
---|
8078 | : iVecRegSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
8079 | : X86_OP_REX_R;
|
---|
8080 | pCodeBuf[off++] = 0x0f;
|
---|
8081 | pCodeBuf[off++] = 0x6f;
|
---|
8082 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8083 |
|
---|
8084 | #elif defined(RT_ARCH_ARM64)
|
---|
8085 | /* mov dst, src; alias for: orr dst, src, src */
|
---|
8086 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst, iVecRegSrc, iVecRegSrc);
|
---|
8087 |
|
---|
8088 | #else
|
---|
8089 | # error "port me"
|
---|
8090 | #endif
|
---|
8091 | return off;
|
---|
8092 | }
|
---|
8093 |
|
---|
8094 |
|
---|
8095 | /**
|
---|
8096 | * Emits a vecdst = vecsrc load, 128-bit.
|
---|
8097 | */
|
---|
8098 | DECL_INLINE_THROW(uint32_t)
|
---|
8099 | iemNativeEmitSimdLoadVecRegFromVecRegU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8100 | {
|
---|
8101 | #ifdef RT_ARCH_AMD64
|
---|
8102 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
|
---|
8103 | #elif defined(RT_ARCH_ARM64)
|
---|
8104 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc);
|
---|
8105 | #else
|
---|
8106 | # error "port me"
|
---|
8107 | #endif
|
---|
8108 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8109 | return off;
|
---|
8110 | }
|
---|
8111 |
|
---|
8112 |
|
---|
8113 | /**
|
---|
8114 | * Emits a vecdst[128:255] = vecsrc[128:255] load.
|
---|
8115 | */
|
---|
8116 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8117 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8118 | {
|
---|
8119 | #ifdef RT_ARCH_AMD64
|
---|
8120 | /* vperm2i128 dst, dst, src, 0x30. */ /* ASSUMES AVX2 support */
|
---|
8121 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8122 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
|
---|
8123 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8124 | pCodeBuf[off++] = 0x46;
|
---|
8125 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8126 | pCodeBuf[off++] = 0x30; /* Immediate, this will leave the low 128 bits of dst untouched and move the high 128 bits from src to dst. */
|
---|
8127 |
|
---|
8128 | #elif defined(RT_ARCH_ARM64)
|
---|
8129 | RT_NOREF(pCodeBuf, iVecRegDst, iVecRegSrc);
|
---|
8130 |
|
---|
8131 | /* Should never be called because we can just use iemNativeEmitSimdLoadVecRegFromVecRegU128(). */
|
---|
8132 | # ifdef IEM_WITH_THROW_CATCH
|
---|
8133 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
8134 | # else
|
---|
8135 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
8136 | # endif
|
---|
8137 | #else
|
---|
8138 | # error "port me"
|
---|
8139 | #endif
|
---|
8140 | return off;
|
---|
8141 | }
|
---|
8142 |
|
---|
8143 |
|
---|
8144 | /**
|
---|
8145 | * Emits a vecdst[128:255] = vecsrc[128:255] load, high 128-bit.
|
---|
8146 | */
|
---|
8147 | DECL_INLINE_THROW(uint32_t)
|
---|
8148 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8149 | {
|
---|
8150 | #ifdef RT_ARCH_AMD64
|
---|
8151 | off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
|
---|
8152 | #elif defined(RT_ARCH_ARM64)
|
---|
8153 | Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
|
---|
8154 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iVecRegSrc + 1);
|
---|
8155 | #else
|
---|
8156 | # error "port me"
|
---|
8157 | #endif
|
---|
8158 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8159 | return off;
|
---|
8160 | }
|
---|
8161 |
|
---|
8162 |
|
---|
8163 | /**
|
---|
8164 | * Emits a vecdst[0:127] = vecsrc[128:255] load.
|
---|
8165 | */
|
---|
8166 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8167 | iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8168 | {
|
---|
8169 | #ifdef RT_ARCH_AMD64
|
---|
8170 | /* vextracti128 dst, src, 1. */ /* ASSUMES AVX2 support */
|
---|
8171 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8172 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegDst >= 8, false, iVecRegSrc >= 8);
|
---|
8173 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8174 | pCodeBuf[off++] = 0x39;
|
---|
8175 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iVecRegDst & 7);
|
---|
8176 | pCodeBuf[off++] = 0x1;
|
---|
8177 |
|
---|
8178 | #elif defined(RT_ARCH_ARM64)
|
---|
8179 | RT_NOREF(pCodeBuf, iVecRegDst, iVecRegSrc);
|
---|
8180 |
|
---|
8181 | /* Should never be called because we can just use iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(). */
|
---|
8182 | # ifdef IEM_WITH_THROW_CATCH
|
---|
8183 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
8184 | # else
|
---|
8185 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
8186 | # endif
|
---|
8187 | #else
|
---|
8188 | # error "port me"
|
---|
8189 | #endif
|
---|
8190 | return off;
|
---|
8191 | }
|
---|
8192 |
|
---|
8193 |
|
---|
8194 | /**
|
---|
8195 | * Emits a vecdst[0:127] = vecsrc[128:255] load, high 128-bit.
|
---|
8196 | */
|
---|
8197 | DECL_INLINE_THROW(uint32_t)
|
---|
8198 | iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8199 | {
|
---|
8200 | #ifdef RT_ARCH_AMD64
|
---|
8201 | off = iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iVecRegSrc);
|
---|
8202 | #elif defined(RT_ARCH_ARM64)
|
---|
8203 | Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
|
---|
8204 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc + 1);
|
---|
8205 | #else
|
---|
8206 | # error "port me"
|
---|
8207 | #endif
|
---|
8208 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8209 | return off;
|
---|
8210 | }
|
---|
8211 |
|
---|
8212 |
|
---|
8213 | /**
|
---|
8214 | * Emits a vecdst = vecsrc load, 256-bit.
|
---|
8215 | */
|
---|
8216 | DECL_INLINE_THROW(uint32_t)
|
---|
8217 | iemNativeEmitSimdLoadVecRegFromVecRegU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8218 | {
|
---|
8219 | #ifdef RT_ARCH_AMD64
|
---|
8220 | /* vmovdqa ymm, ymm */
|
---|
8221 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
8222 | if (iVecRegDst >= 8 && iVecRegSrc >= 8)
|
---|
8223 | {
|
---|
8224 | pbCodeBuf[off++] = X86_OP_VEX3;
|
---|
8225 | pbCodeBuf[off++] = 0x41;
|
---|
8226 | pbCodeBuf[off++] = 0x7d;
|
---|
8227 | pbCodeBuf[off++] = 0x6f;
|
---|
8228 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8229 | }
|
---|
8230 | else
|
---|
8231 | {
|
---|
8232 | pbCodeBuf[off++] = X86_OP_VEX2;
|
---|
8233 | pbCodeBuf[off++] = (iVecRegSrc >= 8 || iVecRegDst >= 8) ? 0x7d : 0xfd;
|
---|
8234 | pbCodeBuf[off++] = iVecRegSrc >= 8 ? 0x7f : 0x6f;
|
---|
8235 | pbCodeBuf[off++] = iVecRegSrc >= 8
|
---|
8236 | ? X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iVecRegDst & 7)
|
---|
8237 | : X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8238 | }
|
---|
8239 | #elif defined(RT_ARCH_ARM64)
|
---|
8240 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8241 | Assert(!(iVecRegDst & 0x1)); Assert(!(iVecRegSrc & 0x1));
|
---|
8242 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128(pReNative, off, iVecRegDst, iVecRegSrc );
|
---|
8243 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128(pReNative, off, iVecRegDst + 1, iVecRegSrc + 1);
|
---|
8244 | #else
|
---|
8245 | # error "port me"
|
---|
8246 | #endif
|
---|
8247 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8248 | return off;
|
---|
8249 | }
|
---|
8250 |
|
---|
8251 |
|
---|
8252 | /**
|
---|
8253 | * Emits a vecdst = vecsrc load.
|
---|
8254 | */
|
---|
8255 | DECL_FORCE_INLINE(uint32_t)
|
---|
8256 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8257 | {
|
---|
8258 | #ifdef RT_ARCH_AMD64
|
---|
8259 | /* vinserti128 dst, dst, src, 1. */ /* ASSUMES AVX2 support */
|
---|
8260 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8261 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
|
---|
8262 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8263 | pCodeBuf[off++] = 0x38;
|
---|
8264 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8265 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8266 |
|
---|
8267 | #elif defined(RT_ARCH_ARM64)
|
---|
8268 | Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
|
---|
8269 | /* mov dst, src; alias for: orr dst, src, src */
|
---|
8270 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst + 1, iVecRegSrc, iVecRegSrc);
|
---|
8271 |
|
---|
8272 | #else
|
---|
8273 | # error "port me"
|
---|
8274 | #endif
|
---|
8275 | return off;
|
---|
8276 | }
|
---|
8277 |
|
---|
8278 |
|
---|
8279 | /**
|
---|
8280 | * Emits a vecdst[128:255] = vecsrc[0:127] load, 128-bit.
|
---|
8281 | */
|
---|
8282 | DECL_INLINE_THROW(uint32_t)
|
---|
8283 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8284 | {
|
---|
8285 | #ifdef RT_ARCH_AMD64
|
---|
8286 | off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iVecRegSrc);
|
---|
8287 | #elif defined(RT_ARCH_ARM64)
|
---|
8288 | off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc);
|
---|
8289 | #else
|
---|
8290 | # error "port me"
|
---|
8291 | #endif
|
---|
8292 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8293 | return off;
|
---|
8294 | }
|
---|
8295 |
|
---|
8296 |
|
---|
8297 | /**
|
---|
8298 | * Emits a gprdst = vecsrc[x] load, 64-bit.
|
---|
8299 | */
|
---|
8300 | DECL_FORCE_INLINE(uint32_t)
|
---|
8301 | iemNativeEmitSimdLoadGprFromVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iQWord)
|
---|
8302 | {
|
---|
8303 | #ifdef RT_ARCH_AMD64
|
---|
8304 | if (iQWord >= 2)
|
---|
8305 | {
|
---|
8306 | /*
|
---|
8307 | * vpextrq doesn't work on the upper 128-bits.
|
---|
8308 | * So we use the following sequence:
|
---|
8309 | * vextracti128 vectmp0, vecsrc, 1
|
---|
8310 | * pextrd gpr, vectmp0, #(iQWord - 2)
|
---|
8311 | */
|
---|
8312 | /* vextracti128 */
|
---|
8313 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8314 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegSrc >= 8);
|
---|
8315 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8316 | pCodeBuf[off++] = 0x39;
|
---|
8317 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8318 | pCodeBuf[off++] = 0x1;
|
---|
8319 |
|
---|
8320 | /* pextrd gpr, vecsrc, #iDWord (ASSUMES SSE4.1). */
|
---|
8321 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8322 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8323 | | (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8324 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8325 | pCodeBuf[off++] = 0x0f;
|
---|
8326 | pCodeBuf[off++] = 0x3a;
|
---|
8327 | pCodeBuf[off++] = 0x16;
|
---|
8328 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprDst & 7);
|
---|
8329 | pCodeBuf[off++] = iQWord - 2;
|
---|
8330 | }
|
---|
8331 | else
|
---|
8332 | {
|
---|
8333 | /* pextrq gpr, vecsrc, #iQWord (ASSUMES SSE4.1). */
|
---|
8334 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8335 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8336 | | (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
|
---|
8337 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8338 | pCodeBuf[off++] = 0x0f;
|
---|
8339 | pCodeBuf[off++] = 0x3a;
|
---|
8340 | pCodeBuf[off++] = 0x16;
|
---|
8341 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
|
---|
8342 | pCodeBuf[off++] = iQWord;
|
---|
8343 | }
|
---|
8344 | #elif defined(RT_ARCH_ARM64)
|
---|
8345 | /* umov gprdst, vecsrc[iQWord] */
|
---|
8346 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iQWord, kArmv8InstrUmovInsSz_U64);
|
---|
8347 | #else
|
---|
8348 | # error "port me"
|
---|
8349 | #endif
|
---|
8350 | return off;
|
---|
8351 | }
|
---|
8352 |
|
---|
8353 |
|
---|
8354 | /**
|
---|
8355 | * Emits a gprdst = vecsrc[x] load, 64-bit.
|
---|
8356 | */
|
---|
8357 | DECL_INLINE_THROW(uint32_t)
|
---|
8358 | iemNativeEmitSimdLoadGprFromVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iQWord)
|
---|
8359 | {
|
---|
8360 | Assert(iQWord <= 3);
|
---|
8361 |
|
---|
8362 | #ifdef RT_ARCH_AMD64
|
---|
8363 | off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iVecRegSrc, iQWord);
|
---|
8364 | #elif defined(RT_ARCH_ARM64)
|
---|
8365 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8366 | Assert(!(iVecRegSrc & 0x1));
|
---|
8367 | /* Need to access the "high" 128-bit vector register. */
|
---|
8368 | if (iQWord >= 2)
|
---|
8369 | off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iQWord - 2);
|
---|
8370 | else
|
---|
8371 | off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iQWord);
|
---|
8372 | #else
|
---|
8373 | # error "port me"
|
---|
8374 | #endif
|
---|
8375 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8376 | return off;
|
---|
8377 | }
|
---|
8378 |
|
---|
8379 |
|
---|
8380 | /**
|
---|
8381 | * Emits a gprdst = vecsrc[x] load, 32-bit.
|
---|
8382 | */
|
---|
8383 | DECL_FORCE_INLINE(uint32_t)
|
---|
8384 | iemNativeEmitSimdLoadGprFromVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iDWord)
|
---|
8385 | {
|
---|
8386 | #ifdef RT_ARCH_AMD64
|
---|
8387 | if (iDWord >= 4)
|
---|
8388 | {
|
---|
8389 | /*
|
---|
8390 | * vpextrd doesn't work on the upper 128-bits.
|
---|
8391 | * So we use the following sequence:
|
---|
8392 | * vextracti128 vectmp0, vecsrc, 1
|
---|
8393 | * pextrd gpr, vectmp0, #(iDWord - 4)
|
---|
8394 | */
|
---|
8395 | /* vextracti128 */
|
---|
8396 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8397 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegSrc >= 8);
|
---|
8398 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8399 | pCodeBuf[off++] = 0x39;
|
---|
8400 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8401 | pCodeBuf[off++] = 0x1;
|
---|
8402 |
|
---|
8403 | /* pextrd gpr, vecsrc, #iDWord (ASSUMES SSE4.1). */
|
---|
8404 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8405 | if (iGprDst >= 8 || IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8)
|
---|
8406 | pCodeBuf[off++] = (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8407 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8408 | pCodeBuf[off++] = 0x0f;
|
---|
8409 | pCodeBuf[off++] = 0x3a;
|
---|
8410 | pCodeBuf[off++] = 0x16;
|
---|
8411 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprDst & 7);
|
---|
8412 | pCodeBuf[off++] = iDWord - 4;
|
---|
8413 | }
|
---|
8414 | else
|
---|
8415 | {
|
---|
8416 | /* pextrd gpr, vecsrc, #iDWord (ASSUMES SSE4.1). */
|
---|
8417 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8418 | if (iGprDst >= 8 || iVecRegSrc >= 8)
|
---|
8419 | pCodeBuf[off++] = (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
|
---|
8420 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8421 | pCodeBuf[off++] = 0x0f;
|
---|
8422 | pCodeBuf[off++] = 0x3a;
|
---|
8423 | pCodeBuf[off++] = 0x16;
|
---|
8424 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
|
---|
8425 | pCodeBuf[off++] = iDWord;
|
---|
8426 | }
|
---|
8427 | #elif defined(RT_ARCH_ARM64)
|
---|
8428 | Assert(iDWord < 4);
|
---|
8429 |
|
---|
8430 | /* umov gprdst, vecsrc[iDWord] */
|
---|
8431 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iDWord, kArmv8InstrUmovInsSz_U32, false /*fDst64Bit*/);
|
---|
8432 | #else
|
---|
8433 | # error "port me"
|
---|
8434 | #endif
|
---|
8435 | return off;
|
---|
8436 | }
|
---|
8437 |
|
---|
8438 |
|
---|
8439 | /**
|
---|
8440 | * Emits a gprdst = vecsrc[x] load, 32-bit.
|
---|
8441 | */
|
---|
8442 | DECL_INLINE_THROW(uint32_t)
|
---|
8443 | iemNativeEmitSimdLoadGprFromVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iDWord)
|
---|
8444 | {
|
---|
8445 | Assert(iDWord <= 7);
|
---|
8446 |
|
---|
8447 | #ifdef RT_ARCH_AMD64
|
---|
8448 | off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 15), off, iGprDst, iVecRegSrc, iDWord);
|
---|
8449 | #elif defined(RT_ARCH_ARM64)
|
---|
8450 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8451 | Assert(!(iVecRegSrc & 0x1));
|
---|
8452 | /* Need to access the "high" 128-bit vector register. */
|
---|
8453 | if (iDWord >= 4)
|
---|
8454 | off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iDWord - 4);
|
---|
8455 | else
|
---|
8456 | off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iDWord);
|
---|
8457 | #else
|
---|
8458 | # error "port me"
|
---|
8459 | #endif
|
---|
8460 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8461 | return off;
|
---|
8462 | }
|
---|
8463 |
|
---|
8464 |
|
---|
8465 | /**
|
---|
8466 | * Emits a gprdst = vecsrc[x] load, 16-bit.
|
---|
8467 | */
|
---|
8468 | DECL_FORCE_INLINE(uint32_t)
|
---|
8469 | iemNativeEmitSimdLoadGprFromVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iWord)
|
---|
8470 | {
|
---|
8471 | #ifdef RT_ARCH_AMD64
|
---|
8472 | if (iWord >= 8)
|
---|
8473 | {
|
---|
8474 | /** @todo Currently not used. */
|
---|
8475 | AssertReleaseFailed();
|
---|
8476 | }
|
---|
8477 | else
|
---|
8478 | {
|
---|
8479 | /* pextrw gpr, vecsrc, #iWord */
|
---|
8480 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8481 | if (iGprDst >= 8 || iVecRegSrc >= 8)
|
---|
8482 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8483 | | (iVecRegSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8484 | pCodeBuf[off++] = 0x0f;
|
---|
8485 | pCodeBuf[off++] = 0xc5;
|
---|
8486 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iVecRegSrc & 7);
|
---|
8487 | pCodeBuf[off++] = iWord;
|
---|
8488 | }
|
---|
8489 | #elif defined(RT_ARCH_ARM64)
|
---|
8490 | /* umov gprdst, vecsrc[iWord] */
|
---|
8491 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iWord, kArmv8InstrUmovInsSz_U16, false /*fDst64Bit*/);
|
---|
8492 | #else
|
---|
8493 | # error "port me"
|
---|
8494 | #endif
|
---|
8495 | return off;
|
---|
8496 | }
|
---|
8497 |
|
---|
8498 |
|
---|
8499 | /**
|
---|
8500 | * Emits a gprdst = vecsrc[x] load, 16-bit.
|
---|
8501 | */
|
---|
8502 | DECL_INLINE_THROW(uint32_t)
|
---|
8503 | iemNativeEmitSimdLoadGprFromVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iWord)
|
---|
8504 | {
|
---|
8505 | Assert(iWord <= 16);
|
---|
8506 |
|
---|
8507 | #ifdef RT_ARCH_AMD64
|
---|
8508 | off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iGprDst, iVecRegSrc, iWord);
|
---|
8509 | #elif defined(RT_ARCH_ARM64)
|
---|
8510 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8511 | Assert(!(iVecRegSrc & 0x1));
|
---|
8512 | /* Need to access the "high" 128-bit vector register. */
|
---|
8513 | if (iWord >= 8)
|
---|
8514 | off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iWord - 8);
|
---|
8515 | else
|
---|
8516 | off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iWord);
|
---|
8517 | #else
|
---|
8518 | # error "port me"
|
---|
8519 | #endif
|
---|
8520 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8521 | return off;
|
---|
8522 | }
|
---|
8523 |
|
---|
8524 |
|
---|
8525 | /**
|
---|
8526 | * Emits a gprdst = vecsrc[x] load, 8-bit.
|
---|
8527 | */
|
---|
8528 | DECL_FORCE_INLINE(uint32_t)
|
---|
8529 | iemNativeEmitSimdLoadGprFromVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iByte)
|
---|
8530 | {
|
---|
8531 | #ifdef RT_ARCH_AMD64
|
---|
8532 | if (iByte >= 16)
|
---|
8533 | {
|
---|
8534 | /** @todo Currently not used. */
|
---|
8535 | AssertReleaseFailed();
|
---|
8536 | }
|
---|
8537 | else
|
---|
8538 | {
|
---|
8539 | /* pextrb gpr, vecsrc, #iByte */
|
---|
8540 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8541 | if (iGprDst >= 8 || iVecRegSrc >= 8)
|
---|
8542 | pCodeBuf[off++] = (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
|
---|
8543 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8544 | pCodeBuf[off++] = 0x0f;
|
---|
8545 | pCodeBuf[off++] = 0x3a;
|
---|
8546 | pCodeBuf[off++] = 0x14;
|
---|
8547 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
|
---|
8548 | pCodeBuf[off++] = iByte;
|
---|
8549 | }
|
---|
8550 | #elif defined(RT_ARCH_ARM64)
|
---|
8551 | /* umov gprdst, vecsrc[iByte] */
|
---|
8552 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iByte, kArmv8InstrUmovInsSz_U8, false /*fDst64Bit*/);
|
---|
8553 | #else
|
---|
8554 | # error "port me"
|
---|
8555 | #endif
|
---|
8556 | return off;
|
---|
8557 | }
|
---|
8558 |
|
---|
8559 |
|
---|
8560 | /**
|
---|
8561 | * Emits a gprdst = vecsrc[x] load, 8-bit.
|
---|
8562 | */
|
---|
8563 | DECL_INLINE_THROW(uint32_t)
|
---|
8564 | iemNativeEmitSimdLoadGprFromVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iByte)
|
---|
8565 | {
|
---|
8566 | Assert(iByte <= 32);
|
---|
8567 |
|
---|
8568 | #ifdef RT_ARCH_AMD64
|
---|
8569 | off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iVecRegSrc, iByte);
|
---|
8570 | #elif defined(RT_ARCH_ARM64)
|
---|
8571 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8572 | Assert(!(iVecRegSrc & 0x1));
|
---|
8573 | /* Need to access the "high" 128-bit vector register. */
|
---|
8574 | if (iByte >= 16)
|
---|
8575 | off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iByte - 16);
|
---|
8576 | else
|
---|
8577 | off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iByte);
|
---|
8578 | #else
|
---|
8579 | # error "port me"
|
---|
8580 | #endif
|
---|
8581 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8582 | return off;
|
---|
8583 | }
|
---|
8584 |
|
---|
8585 |
|
---|
8586 | /**
|
---|
8587 | * Emits a vecdst[x] = gprsrc store, 64-bit.
|
---|
8588 | */
|
---|
8589 | DECL_FORCE_INLINE(uint32_t)
|
---|
8590 | iemNativeEmitSimdStoreGprToVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iQWord)
|
---|
8591 | {
|
---|
8592 | #ifdef RT_ARCH_AMD64
|
---|
8593 | if (iQWord >= 2)
|
---|
8594 | {
|
---|
8595 | /*
|
---|
8596 | * vpinsrq doesn't work on the upper 128-bits.
|
---|
8597 | * So we use the following sequence:
|
---|
8598 | * vextracti128 vectmp0, vecdst, 1
|
---|
8599 | * pinsrq vectmp0, gpr, #(iQWord - 2)
|
---|
8600 | * vinserti128 vecdst, vectmp0, 1
|
---|
8601 | */
|
---|
8602 | /* vextracti128 */
|
---|
8603 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8604 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8605 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8606 | pCodeBuf[off++] = 0x39;
|
---|
8607 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8608 | pCodeBuf[off++] = 0x1;
|
---|
8609 |
|
---|
8610 | /* pinsrq */
|
---|
8611 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8612 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8613 | | (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8614 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8615 | pCodeBuf[off++] = 0x0f;
|
---|
8616 | pCodeBuf[off++] = 0x3a;
|
---|
8617 | pCodeBuf[off++] = 0x22;
|
---|
8618 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprSrc & 7);
|
---|
8619 | pCodeBuf[off++] = iQWord - 2;
|
---|
8620 |
|
---|
8621 | /* vinserti128 */
|
---|
8622 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8623 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8624 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8625 | pCodeBuf[off++] = 0x38;
|
---|
8626 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8627 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8628 | }
|
---|
8629 | else
|
---|
8630 | {
|
---|
8631 | /* pinsrq vecsrc, gpr, #iQWord (ASSUMES SSE4.1). */
|
---|
8632 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8633 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8634 | | (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8635 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8636 | pCodeBuf[off++] = 0x0f;
|
---|
8637 | pCodeBuf[off++] = 0x3a;
|
---|
8638 | pCodeBuf[off++] = 0x22;
|
---|
8639 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8640 | pCodeBuf[off++] = iQWord;
|
---|
8641 | }
|
---|
8642 | #elif defined(RT_ARCH_ARM64)
|
---|
8643 | /* ins vecsrc[iQWord], gpr */
|
---|
8644 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iQWord, kArmv8InstrUmovInsSz_U64);
|
---|
8645 | #else
|
---|
8646 | # error "port me"
|
---|
8647 | #endif
|
---|
8648 | return off;
|
---|
8649 | }
|
---|
8650 |
|
---|
8651 |
|
---|
8652 | /**
|
---|
8653 | * Emits a vecdst[x] = gprsrc store, 64-bit.
|
---|
8654 | */
|
---|
8655 | DECL_INLINE_THROW(uint32_t)
|
---|
8656 | iemNativeEmitSimdStoreGprToVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iQWord)
|
---|
8657 | {
|
---|
8658 | Assert(iQWord <= 3);
|
---|
8659 |
|
---|
8660 | #ifdef RT_ARCH_AMD64
|
---|
8661 | off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 19), off, iVecRegDst, iGprSrc, iQWord);
|
---|
8662 | #elif defined(RT_ARCH_ARM64)
|
---|
8663 | Assert(!(iVecRegDst & 0x1));
|
---|
8664 | if (iQWord >= 2)
|
---|
8665 | off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iGprSrc, iQWord - 2);
|
---|
8666 | else
|
---|
8667 | off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iQWord);
|
---|
8668 | #else
|
---|
8669 | # error "port me"
|
---|
8670 | #endif
|
---|
8671 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8672 | return off;
|
---|
8673 | }
|
---|
8674 |
|
---|
8675 |
|
---|
8676 | /**
|
---|
8677 | * Emits a vecdst[x] = gprsrc store, 32-bit.
|
---|
8678 | */
|
---|
8679 | DECL_FORCE_INLINE(uint32_t)
|
---|
8680 | iemNativeEmitSimdStoreGprToVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iDWord)
|
---|
8681 | {
|
---|
8682 | #ifdef RT_ARCH_AMD64
|
---|
8683 | if (iDWord >= 4)
|
---|
8684 | {
|
---|
8685 | /*
|
---|
8686 | * vpinsrq doesn't work on the upper 128-bits.
|
---|
8687 | * So we use the following sequence:
|
---|
8688 | * vextracti128 vectmp0, vecdst, 1
|
---|
8689 | * pinsrd vectmp0, gpr, #(iDword - 4)
|
---|
8690 | * vinserti128 vecdst, vectmp0, 1
|
---|
8691 | */
|
---|
8692 | /* vextracti128 */
|
---|
8693 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8694 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8695 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8696 | pCodeBuf[off++] = 0x39;
|
---|
8697 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8698 | pCodeBuf[off++] = 0x1;
|
---|
8699 |
|
---|
8700 | /* pinsrd */
|
---|
8701 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8702 | if (IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8 || iGprSrc >= 8)
|
---|
8703 | pCodeBuf[off++] = (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8704 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8705 | pCodeBuf[off++] = 0x0f;
|
---|
8706 | pCodeBuf[off++] = 0x3a;
|
---|
8707 | pCodeBuf[off++] = 0x22;
|
---|
8708 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprSrc & 7);
|
---|
8709 | pCodeBuf[off++] = iDWord - 4;
|
---|
8710 |
|
---|
8711 | /* vinserti128 */
|
---|
8712 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8713 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8714 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8715 | pCodeBuf[off++] = 0x38;
|
---|
8716 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8717 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8718 | }
|
---|
8719 | else
|
---|
8720 | {
|
---|
8721 | /* pinsrd vecsrc, gpr, #iDWord (ASSUMES SSE4.1). */
|
---|
8722 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8723 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
8724 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8725 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8726 | pCodeBuf[off++] = 0x0f;
|
---|
8727 | pCodeBuf[off++] = 0x3a;
|
---|
8728 | pCodeBuf[off++] = 0x22;
|
---|
8729 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8730 | pCodeBuf[off++] = iDWord;
|
---|
8731 | }
|
---|
8732 | #elif defined(RT_ARCH_ARM64)
|
---|
8733 | /* ins vecsrc[iDWord], gpr */
|
---|
8734 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iDWord, kArmv8InstrUmovInsSz_U32);
|
---|
8735 | #else
|
---|
8736 | # error "port me"
|
---|
8737 | #endif
|
---|
8738 | return off;
|
---|
8739 | }
|
---|
8740 |
|
---|
8741 |
|
---|
8742 | /**
|
---|
8743 | * Emits a vecdst[x] = gprsrc store, 64-bit.
|
---|
8744 | */
|
---|
8745 | DECL_INLINE_THROW(uint32_t)
|
---|
8746 | iemNativeEmitSimdStoreGprToVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iDWord)
|
---|
8747 | {
|
---|
8748 | Assert(iDWord <= 7);
|
---|
8749 |
|
---|
8750 | #ifdef RT_ARCH_AMD64
|
---|
8751 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 19), off, iVecRegDst, iGprSrc, iDWord);
|
---|
8752 | #elif defined(RT_ARCH_ARM64)
|
---|
8753 | Assert(!(iVecRegDst & 0x1));
|
---|
8754 | if (iDWord >= 4)
|
---|
8755 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iGprSrc, iDWord - 4);
|
---|
8756 | else
|
---|
8757 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iDWord);
|
---|
8758 | #else
|
---|
8759 | # error "port me"
|
---|
8760 | #endif
|
---|
8761 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8762 | return off;
|
---|
8763 | }
|
---|
8764 |
|
---|
8765 |
|
---|
8766 | /**
|
---|
8767 | * Emits a vecdst[x] = gprsrc store, 16-bit.
|
---|
8768 | */
|
---|
8769 | DECL_FORCE_INLINE(uint32_t)
|
---|
8770 | iemNativeEmitSimdStoreGprToVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iWord)
|
---|
8771 | {
|
---|
8772 | #ifdef RT_ARCH_AMD64
|
---|
8773 | /* pinsrw vecsrc, gpr, #iWord. */
|
---|
8774 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8775 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
8776 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8777 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8778 | pCodeBuf[off++] = 0x0f;
|
---|
8779 | pCodeBuf[off++] = 0xc4;
|
---|
8780 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8781 | pCodeBuf[off++] = iWord;
|
---|
8782 | #elif defined(RT_ARCH_ARM64)
|
---|
8783 | /* ins vecsrc[iWord], gpr */
|
---|
8784 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iWord, kArmv8InstrUmovInsSz_U16);
|
---|
8785 | #else
|
---|
8786 | # error "port me"
|
---|
8787 | #endif
|
---|
8788 | return off;
|
---|
8789 | }
|
---|
8790 |
|
---|
8791 |
|
---|
8792 | /**
|
---|
8793 | * Emits a vecdst[x] = gprsrc store, 16-bit.
|
---|
8794 | */
|
---|
8795 | DECL_INLINE_THROW(uint32_t)
|
---|
8796 | iemNativeEmitSimdStoreGprToVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iWord)
|
---|
8797 | {
|
---|
8798 | Assert(iWord <= 15);
|
---|
8799 |
|
---|
8800 | #ifdef RT_ARCH_AMD64
|
---|
8801 | off = iemNativeEmitSimdStoreGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iGprSrc, iWord);
|
---|
8802 | #elif defined(RT_ARCH_ARM64)
|
---|
8803 | off = iemNativeEmitSimdStoreGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iWord);
|
---|
8804 | #else
|
---|
8805 | # error "port me"
|
---|
8806 | #endif
|
---|
8807 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8808 | return off;
|
---|
8809 | }
|
---|
8810 |
|
---|
8811 |
|
---|
8812 | /**
|
---|
8813 | * Emits a vecdst[x] = gprsrc store, 8-bit.
|
---|
8814 | */
|
---|
8815 | DECL_FORCE_INLINE(uint32_t)
|
---|
8816 | iemNativeEmitSimdStoreGprToVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iByte)
|
---|
8817 | {
|
---|
8818 | #ifdef RT_ARCH_AMD64
|
---|
8819 | /* pinsrb vecsrc, gpr, #iByte (ASSUMES SSE4.1). */
|
---|
8820 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8821 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
8822 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8823 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8824 | pCodeBuf[off++] = 0x0f;
|
---|
8825 | pCodeBuf[off++] = 0x3a;
|
---|
8826 | pCodeBuf[off++] = 0x20;
|
---|
8827 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8828 | pCodeBuf[off++] = iByte;
|
---|
8829 | #elif defined(RT_ARCH_ARM64)
|
---|
8830 | /* ins vecsrc[iByte], gpr */
|
---|
8831 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iByte, kArmv8InstrUmovInsSz_U8);
|
---|
8832 | #else
|
---|
8833 | # error "port me"
|
---|
8834 | #endif
|
---|
8835 | return off;
|
---|
8836 | }
|
---|
8837 |
|
---|
8838 |
|
---|
8839 | /**
|
---|
8840 | * Emits a vecdst[x] = gprsrc store, 8-bit.
|
---|
8841 | */
|
---|
8842 | DECL_INLINE_THROW(uint32_t)
|
---|
8843 | iemNativeEmitSimdStoreGprToVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iByte)
|
---|
8844 | {
|
---|
8845 | Assert(iByte <= 15);
|
---|
8846 |
|
---|
8847 | #ifdef RT_ARCH_AMD64
|
---|
8848 | off = iemNativeEmitSimdStoreGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecRegDst, iGprSrc, iByte);
|
---|
8849 | #elif defined(RT_ARCH_ARM64)
|
---|
8850 | off = iemNativeEmitSimdStoreGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iByte);
|
---|
8851 | #else
|
---|
8852 | # error "port me"
|
---|
8853 | #endif
|
---|
8854 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8855 | return off;
|
---|
8856 | }
|
---|
8857 |
|
---|
8858 |
|
---|
8859 | /**
|
---|
8860 | * Emits a vecdst.au32[iDWord] = 0 store.
|
---|
8861 | */
|
---|
8862 | DECL_FORCE_INLINE(uint32_t)
|
---|
8863 | iemNativeEmitSimdZeroVecRegElemU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint8_t iDWord)
|
---|
8864 | {
|
---|
8865 | Assert(iDWord <= 7);
|
---|
8866 |
|
---|
8867 | #ifdef RT_ARCH_AMD64
|
---|
8868 | /*
|
---|
8869 | * xor tmp0, tmp0
|
---|
8870 | * pinsrd xmm, tmp0, iDword
|
---|
8871 | */
|
---|
8872 | if (IEMNATIVE_REG_FIXED_TMP0 >= 8)
|
---|
8873 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
8874 | pCodeBuf[off++] = 0x33;
|
---|
8875 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_REG_FIXED_TMP0 & 7, IEMNATIVE_REG_FIXED_TMP0 & 7);
|
---|
8876 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(&pCodeBuf[off], off, iVecReg, IEMNATIVE_REG_FIXED_TMP0, iDWord);
|
---|
8877 | #elif defined(RT_ARCH_ARM64)
|
---|
8878 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8879 | Assert(!(iVecReg & 0x1));
|
---|
8880 | /* ins vecsrc[iDWord], wzr */
|
---|
8881 | if (iDWord >= 4)
|
---|
8882 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecReg + 1, ARMV8_A64_REG_WZR, iDWord - 4, kArmv8InstrUmovInsSz_U32);
|
---|
8883 | else
|
---|
8884 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecReg, ARMV8_A64_REG_WZR, iDWord, kArmv8InstrUmovInsSz_U32);
|
---|
8885 | #else
|
---|
8886 | # error "port me"
|
---|
8887 | #endif
|
---|
8888 | return off;
|
---|
8889 | }
|
---|
8890 |
|
---|
8891 |
|
---|
8892 | /**
|
---|
8893 | * Emits a vecdst.au32[iDWord] = 0 store.
|
---|
8894 | */
|
---|
8895 | DECL_INLINE_THROW(uint32_t)
|
---|
8896 | iemNativeEmitSimdZeroVecRegElemU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint8_t iDWord)
|
---|
8897 | {
|
---|
8898 |
|
---|
8899 | #ifdef RT_ARCH_AMD64
|
---|
8900 | off = iemNativeEmitSimdZeroVecRegElemU32Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, iDWord);
|
---|
8901 | #elif defined(RT_ARCH_ARM64)
|
---|
8902 | off = iemNativeEmitSimdZeroVecRegElemU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, iDWord);
|
---|
8903 | #else
|
---|
8904 | # error "port me"
|
---|
8905 | #endif
|
---|
8906 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8907 | return off;
|
---|
8908 | }
|
---|
8909 |
|
---|
8910 |
|
---|
8911 | /**
|
---|
8912 | * Emits a vecdst[0:127] = 0 store.
|
---|
8913 | */
|
---|
8914 | DECL_FORCE_INLINE(uint32_t)
|
---|
8915 | iemNativeEmitSimdZeroVecRegLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
|
---|
8916 | {
|
---|
8917 | #ifdef RT_ARCH_AMD64
|
---|
8918 | /* pxor xmm, xmm */
|
---|
8919 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8920 | if (iVecReg >= 8)
|
---|
8921 | pCodeBuf[off++] = X86_OP_REX_B | X86_OP_REX_R;
|
---|
8922 | pCodeBuf[off++] = 0x0f;
|
---|
8923 | pCodeBuf[off++] = 0xef;
|
---|
8924 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
|
---|
8925 | #elif defined(RT_ARCH_ARM64)
|
---|
8926 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8927 | Assert(!(iVecReg & 0x1));
|
---|
8928 | /* eor vecreg, vecreg, vecreg */
|
---|
8929 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg, iVecReg, iVecReg);
|
---|
8930 | #else
|
---|
8931 | # error "port me"
|
---|
8932 | #endif
|
---|
8933 | return off;
|
---|
8934 | }
|
---|
8935 |
|
---|
8936 |
|
---|
8937 | /**
|
---|
8938 | * Emits a vecdst[0:127] = 0 store.
|
---|
8939 | */
|
---|
8940 | DECL_INLINE_THROW(uint32_t)
|
---|
8941 | iemNativeEmitSimdZeroVecRegLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
|
---|
8942 | {
|
---|
8943 | #ifdef RT_ARCH_AMD64
|
---|
8944 | off = iemNativeEmitSimdZeroVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecReg);
|
---|
8945 | #elif defined(RT_ARCH_ARM64)
|
---|
8946 | off = iemNativeEmitSimdZeroVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg);
|
---|
8947 | #else
|
---|
8948 | # error "port me"
|
---|
8949 | #endif
|
---|
8950 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8951 | return off;
|
---|
8952 | }
|
---|
8953 |
|
---|
8954 |
|
---|
8955 | /**
|
---|
8956 | * Emits a vecdst[128:255] = 0 store.
|
---|
8957 | */
|
---|
8958 | DECL_FORCE_INLINE(uint32_t)
|
---|
8959 | iemNativeEmitSimdZeroVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
|
---|
8960 | {
|
---|
8961 | #ifdef RT_ARCH_AMD64
|
---|
8962 | /* vmovdqa xmm, xmm. This will clear the upper half of ymm */
|
---|
8963 | if (iVecReg < 8)
|
---|
8964 | {
|
---|
8965 | pCodeBuf[off++] = X86_OP_VEX2;
|
---|
8966 | pCodeBuf[off++] = 0xf9;
|
---|
8967 | }
|
---|
8968 | else
|
---|
8969 | {
|
---|
8970 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8971 | pCodeBuf[off++] = 0x41;
|
---|
8972 | pCodeBuf[off++] = 0x79;
|
---|
8973 | }
|
---|
8974 | pCodeBuf[off++] = 0x6f;
|
---|
8975 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
|
---|
8976 | #elif defined(RT_ARCH_ARM64)
|
---|
8977 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8978 | Assert(!(iVecReg & 0x1));
|
---|
8979 | /* eor vecreg, vecreg, vecreg */
|
---|
8980 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg + 1, iVecReg + 1, iVecReg + 1);
|
---|
8981 | #else
|
---|
8982 | # error "port me"
|
---|
8983 | #endif
|
---|
8984 | return off;
|
---|
8985 | }
|
---|
8986 |
|
---|
8987 |
|
---|
8988 | /**
|
---|
8989 | * Emits a vecdst[128:255] = 0 store.
|
---|
8990 | */
|
---|
8991 | DECL_INLINE_THROW(uint32_t)
|
---|
8992 | iemNativeEmitSimdZeroVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
|
---|
8993 | {
|
---|
8994 | #ifdef RT_ARCH_AMD64
|
---|
8995 | off = iemNativeEmitSimdZeroVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecReg);
|
---|
8996 | #elif defined(RT_ARCH_ARM64)
|
---|
8997 | off = iemNativeEmitSimdZeroVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg);
|
---|
8998 | #else
|
---|
8999 | # error "port me"
|
---|
9000 | #endif
|
---|
9001 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9002 | return off;
|
---|
9003 | }
|
---|
9004 |
|
---|
9005 |
|
---|
9006 | /**
|
---|
9007 | * Emits a vecdst[0:255] = 0 store.
|
---|
9008 | */
|
---|
9009 | DECL_FORCE_INLINE(uint32_t)
|
---|
9010 | iemNativeEmitSimdZeroVecRegU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
|
---|
9011 | {
|
---|
9012 | #ifdef RT_ARCH_AMD64
|
---|
9013 | /* vpxor ymm, ymm, ymm */
|
---|
9014 | if (iVecReg < 8)
|
---|
9015 | {
|
---|
9016 | pCodeBuf[off++] = X86_OP_VEX2;
|
---|
9017 | pCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9018 | }
|
---|
9019 | else
|
---|
9020 | {
|
---|
9021 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9022 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X | 0x01;
|
---|
9023 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9024 | }
|
---|
9025 | pCodeBuf[off++] = 0xef;
|
---|
9026 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
|
---|
9027 | #elif defined(RT_ARCH_ARM64)
|
---|
9028 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9029 | Assert(!(iVecReg & 0x1));
|
---|
9030 | /* eor vecreg, vecreg, vecreg */
|
---|
9031 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg, iVecReg, iVecReg);
|
---|
9032 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg + 1, iVecReg + 1, iVecReg + 1);
|
---|
9033 | #else
|
---|
9034 | # error "port me"
|
---|
9035 | #endif
|
---|
9036 | return off;
|
---|
9037 | }
|
---|
9038 |
|
---|
9039 |
|
---|
9040 | /**
|
---|
9041 | * Emits a vecdst[0:255] = 0 store.
|
---|
9042 | */
|
---|
9043 | DECL_INLINE_THROW(uint32_t)
|
---|
9044 | iemNativeEmitSimdZeroVecRegU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
|
---|
9045 | {
|
---|
9046 | #ifdef RT_ARCH_AMD64
|
---|
9047 | off = iemNativeEmitSimdZeroVecRegU256Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecReg);
|
---|
9048 | #elif defined(RT_ARCH_ARM64)
|
---|
9049 | off = iemNativeEmitSimdZeroVecRegU256Ex(iemNativeInstrBufEnsure(pReNative, off, 2), off, iVecReg);
|
---|
9050 | #else
|
---|
9051 | # error "port me"
|
---|
9052 | #endif
|
---|
9053 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9054 | return off;
|
---|
9055 | }
|
---|
9056 |
|
---|
9057 |
|
---|
9058 | /**
|
---|
9059 | * Emits a vecdst = gprsrc broadcast, 8-bit.
|
---|
9060 | */
|
---|
9061 | DECL_FORCE_INLINE(uint32_t)
|
---|
9062 | iemNativeEmitSimdBroadcastGprToVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9063 | {
|
---|
9064 | #ifdef RT_ARCH_AMD64
|
---|
9065 | /* pinsrb vecdst, gpr, #0 (ASSUMES SSE 4.1) */
|
---|
9066 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9067 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
9068 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9069 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9070 | pCodeBuf[off++] = 0x0f;
|
---|
9071 | pCodeBuf[off++] = 0x3a;
|
---|
9072 | pCodeBuf[off++] = 0x20;
|
---|
9073 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9074 | pCodeBuf[off++] = 0x00;
|
---|
9075 |
|
---|
9076 | /* vpbroadcastb {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9077 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9078 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9079 | | 0x02 /* opcode map. */
|
---|
9080 | | ( iVecRegDst >= 8
|
---|
9081 | ? 0
|
---|
9082 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9083 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9084 | pCodeBuf[off++] = 0x78;
|
---|
9085 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9086 | #elif defined(RT_ARCH_ARM64)
|
---|
9087 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9088 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9089 |
|
---|
9090 | /* dup vecsrc, gpr */
|
---|
9091 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U8);
|
---|
9092 | if (f256Bit)
|
---|
9093 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U8);
|
---|
9094 | #else
|
---|
9095 | # error "port me"
|
---|
9096 | #endif
|
---|
9097 | return off;
|
---|
9098 | }
|
---|
9099 |
|
---|
9100 |
|
---|
9101 | /**
|
---|
9102 | * Emits a vecdst[x] = gprsrc broadcast, 8-bit.
|
---|
9103 | */
|
---|
9104 | DECL_INLINE_THROW(uint32_t)
|
---|
9105 | iemNativeEmitSimdBroadcastGprToVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9106 | {
|
---|
9107 | #ifdef RT_ARCH_AMD64
|
---|
9108 | off = iemNativeEmitSimdBroadcastGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9109 | #elif defined(RT_ARCH_ARM64)
|
---|
9110 | off = iemNativeEmitSimdBroadcastGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9111 | #else
|
---|
9112 | # error "port me"
|
---|
9113 | #endif
|
---|
9114 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9115 | return off;
|
---|
9116 | }
|
---|
9117 |
|
---|
9118 |
|
---|
9119 | /**
|
---|
9120 | * Emits a vecdst = gprsrc broadcast, 16-bit.
|
---|
9121 | */
|
---|
9122 | DECL_FORCE_INLINE(uint32_t)
|
---|
9123 | iemNativeEmitSimdBroadcastGprToVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9124 | {
|
---|
9125 | #ifdef RT_ARCH_AMD64
|
---|
9126 | /* pinsrw vecdst, gpr, #0 */
|
---|
9127 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9128 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
9129 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9130 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9131 | pCodeBuf[off++] = 0x0f;
|
---|
9132 | pCodeBuf[off++] = 0xc4;
|
---|
9133 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9134 | pCodeBuf[off++] = 0x00;
|
---|
9135 |
|
---|
9136 | /* vpbroadcastd {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9137 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9138 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9139 | | 0x02 /* opcode map. */
|
---|
9140 | | ( iVecRegDst >= 8
|
---|
9141 | ? 0
|
---|
9142 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9143 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9144 | pCodeBuf[off++] = 0x79;
|
---|
9145 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9146 | #elif defined(RT_ARCH_ARM64)
|
---|
9147 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9148 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9149 |
|
---|
9150 | /* dup vecsrc, gpr */
|
---|
9151 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U16);
|
---|
9152 | if (f256Bit)
|
---|
9153 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U16);
|
---|
9154 | #else
|
---|
9155 | # error "port me"
|
---|
9156 | #endif
|
---|
9157 | return off;
|
---|
9158 | }
|
---|
9159 |
|
---|
9160 |
|
---|
9161 | /**
|
---|
9162 | * Emits a vecdst[x] = gprsrc broadcast, 16-bit.
|
---|
9163 | */
|
---|
9164 | DECL_INLINE_THROW(uint32_t)
|
---|
9165 | iemNativeEmitSimdBroadcastGprToVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9166 | {
|
---|
9167 | #ifdef RT_ARCH_AMD64
|
---|
9168 | off = iemNativeEmitSimdBroadcastGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9169 | #elif defined(RT_ARCH_ARM64)
|
---|
9170 | off = iemNativeEmitSimdBroadcastGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9171 | #else
|
---|
9172 | # error "port me"
|
---|
9173 | #endif
|
---|
9174 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9175 | return off;
|
---|
9176 | }
|
---|
9177 |
|
---|
9178 |
|
---|
9179 | /**
|
---|
9180 | * Emits a vecdst = gprsrc broadcast, 32-bit.
|
---|
9181 | */
|
---|
9182 | DECL_FORCE_INLINE(uint32_t)
|
---|
9183 | iemNativeEmitSimdBroadcastGprToVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9184 | {
|
---|
9185 | #ifdef RT_ARCH_AMD64
|
---|
9186 | /** @todo If anyone has a better idea on how to do this more efficiently I'm all ears,
|
---|
9187 | * vbroadcast needs a memory operand or another xmm register to work... */
|
---|
9188 |
|
---|
9189 | /* pinsrd vecdst, gpr, #0 (ASSUMES SSE4.1). */
|
---|
9190 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9191 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
9192 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9193 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9194 | pCodeBuf[off++] = 0x0f;
|
---|
9195 | pCodeBuf[off++] = 0x3a;
|
---|
9196 | pCodeBuf[off++] = 0x22;
|
---|
9197 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9198 | pCodeBuf[off++] = 0x00;
|
---|
9199 |
|
---|
9200 | /* vpbroadcastd {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9201 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9202 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9203 | | 0x02 /* opcode map. */
|
---|
9204 | | ( iVecRegDst >= 8
|
---|
9205 | ? 0
|
---|
9206 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9207 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9208 | pCodeBuf[off++] = 0x58;
|
---|
9209 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9210 | #elif defined(RT_ARCH_ARM64)
|
---|
9211 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9212 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9213 |
|
---|
9214 | /* dup vecsrc, gpr */
|
---|
9215 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U32);
|
---|
9216 | if (f256Bit)
|
---|
9217 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U32);
|
---|
9218 | #else
|
---|
9219 | # error "port me"
|
---|
9220 | #endif
|
---|
9221 | return off;
|
---|
9222 | }
|
---|
9223 |
|
---|
9224 |
|
---|
9225 | /**
|
---|
9226 | * Emits a vecdst[x] = gprsrc broadcast, 32-bit.
|
---|
9227 | */
|
---|
9228 | DECL_INLINE_THROW(uint32_t)
|
---|
9229 | iemNativeEmitSimdBroadcastGprToVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9230 | {
|
---|
9231 | #ifdef RT_ARCH_AMD64
|
---|
9232 | off = iemNativeEmitSimdBroadcastGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9233 | #elif defined(RT_ARCH_ARM64)
|
---|
9234 | off = iemNativeEmitSimdBroadcastGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9235 | #else
|
---|
9236 | # error "port me"
|
---|
9237 | #endif
|
---|
9238 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9239 | return off;
|
---|
9240 | }
|
---|
9241 |
|
---|
9242 |
|
---|
9243 | /**
|
---|
9244 | * Emits a vecdst = gprsrc broadcast, 64-bit.
|
---|
9245 | */
|
---|
9246 | DECL_FORCE_INLINE(uint32_t)
|
---|
9247 | iemNativeEmitSimdBroadcastGprToVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9248 | {
|
---|
9249 | #ifdef RT_ARCH_AMD64
|
---|
9250 | /** @todo If anyone has a better idea on how to do this more efficiently I'm all ears,
|
---|
9251 | * vbroadcast needs a memory operand or another xmm register to work... */
|
---|
9252 |
|
---|
9253 | /* pinsrq vecdst, gpr, #0 (ASSUMES SSE4.1). */
|
---|
9254 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9255 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
9256 | | (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9257 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9258 | pCodeBuf[off++] = 0x0f;
|
---|
9259 | pCodeBuf[off++] = 0x3a;
|
---|
9260 | pCodeBuf[off++] = 0x22;
|
---|
9261 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9262 | pCodeBuf[off++] = 0x00;
|
---|
9263 |
|
---|
9264 | /* vpbroadcastq {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9265 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9266 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9267 | | 0x02 /* opcode map. */
|
---|
9268 | | ( iVecRegDst >= 8
|
---|
9269 | ? 0
|
---|
9270 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9271 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9272 | pCodeBuf[off++] = 0x59;
|
---|
9273 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9274 | #elif defined(RT_ARCH_ARM64)
|
---|
9275 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9276 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9277 |
|
---|
9278 | /* dup vecsrc, gpr */
|
---|
9279 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U64);
|
---|
9280 | if (f256Bit)
|
---|
9281 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U64);
|
---|
9282 | #else
|
---|
9283 | # error "port me"
|
---|
9284 | #endif
|
---|
9285 | return off;
|
---|
9286 | }
|
---|
9287 |
|
---|
9288 |
|
---|
9289 | /**
|
---|
9290 | * Emits a vecdst[x] = gprsrc broadcast, 64-bit.
|
---|
9291 | */
|
---|
9292 | DECL_INLINE_THROW(uint32_t)
|
---|
9293 | iemNativeEmitSimdBroadcastGprToVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9294 | {
|
---|
9295 | #ifdef RT_ARCH_AMD64
|
---|
9296 | off = iemNativeEmitSimdBroadcastGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 14), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9297 | #elif defined(RT_ARCH_ARM64)
|
---|
9298 | off = iemNativeEmitSimdBroadcastGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9299 | #else
|
---|
9300 | # error "port me"
|
---|
9301 | #endif
|
---|
9302 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9303 | return off;
|
---|
9304 | }
|
---|
9305 |
|
---|
9306 |
|
---|
9307 | /**
|
---|
9308 | * Emits a vecdst[0:127] = vecdst[128:255] = vecsrc[0:127] broadcast, 128-bit.
|
---|
9309 | */
|
---|
9310 | DECL_FORCE_INLINE(uint32_t)
|
---|
9311 | iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
9312 | {
|
---|
9313 | #ifdef RT_ARCH_AMD64
|
---|
9314 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(pCodeBuf, off, iVecRegDst, iVecRegSrc);
|
---|
9315 |
|
---|
9316 | /* vinserti128 ymm, ymm, xmm, 1. */ /* ASSUMES AVX2 support */
|
---|
9317 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9318 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
|
---|
9319 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9320 | pCodeBuf[off++] = 0x38;
|
---|
9321 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
9322 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
9323 | #elif defined(RT_ARCH_ARM64)
|
---|
9324 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9325 | Assert(!(iVecRegDst & 0x1));
|
---|
9326 |
|
---|
9327 | /* mov dst, src; alias for: orr dst, src, src */
|
---|
9328 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst, iVecRegSrc, iVecRegSrc);
|
---|
9329 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst + 1, iVecRegSrc, iVecRegSrc);
|
---|
9330 | #else
|
---|
9331 | # error "port me"
|
---|
9332 | #endif
|
---|
9333 | return off;
|
---|
9334 | }
|
---|
9335 |
|
---|
9336 |
|
---|
9337 | /**
|
---|
9338 | * Emits a vecdst[0:127] = vecdst[128:255] = vecsrc[0:127] broadcast, 128-bit.
|
---|
9339 | */
|
---|
9340 | DECL_INLINE_THROW(uint32_t)
|
---|
9341 | iemNativeEmitSimdBroadcastVecRegU128ToVecReg(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
9342 | {
|
---|
9343 | #ifdef RT_ARCH_AMD64
|
---|
9344 | off = iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(iemNativeInstrBufEnsure(pReNative, off, 11), off, iVecRegDst, iVecRegSrc);
|
---|
9345 | #elif defined(RT_ARCH_ARM64)
|
---|
9346 | off = iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iVecRegDst, iVecRegSrc);
|
---|
9347 | #else
|
---|
9348 | # error "port me"
|
---|
9349 | #endif
|
---|
9350 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9351 | return off;
|
---|
9352 | }
|
---|
9353 |
|
---|
9354 | #endif /* IEMNATIVE_WITH_SIMD_REG_ALLOCATOR */
|
---|
9355 |
|
---|
9356 | /** @} */
|
---|
9357 |
|
---|
9358 | #endif /* !VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h */
|
---|
9359 |
|
---|