IEMN8veRecompilerEmit.h@ 104058

Last change on this file since 104058 was 104058, checked in by vboxsync, 10 months ago
VMM/IEM: Make IEM_MC_FETCH_YREG_U128() take a iDQWord parameter to select the whether to fetch the low or high half of the 256-bit register, bugref:9898
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1	/* $Id: IEMN8veRecompilerEmit.h 104058 2024-03-26 13:41:59Z vboxsync $ */
2	/** @file
3	* IEM - Interpreted Execution Manager - Native Recompiler Inlined Emitters.
4	*/
5
6	/*
7	* Copyright (C) 2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	#ifndef VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h
29	#define VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h
30	#ifndef RT_WITHOUT_PRAGMA_ONCE
31	# pragma once
32	#endif
33
34	#include "IEMN8veRecompiler.h"
35
36
37	/** @defgroup grp_iem_n8ve_re_inline Native Recompiler Inlined Emitters
38	* @ingroup grp_iem_n8ve_re
39	* @{
40	*/
41
42	/**
43	* Emit a simple marker instruction to more easily tell where something starts
44	* in the disassembly.
45	*/
46	DECL_INLINE_THROW(uint32_t)
47	iemNativeEmitMarker(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uInfo)
48	{
49	#ifdef RT_ARCH_AMD64
50	uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
51	if (uInfo == 0)
52	{
53	/* nop */
54	pbCodeBuf[off++] = 0x90;
55	}
56	else
57	{
58	/* nop [disp32] */
59	pbCodeBuf[off++] = 0x0f;
60	pbCodeBuf[off++] = 0x1f;
61	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM0, 0, 5);
62	pbCodeBuf[off++] = RT_BYTE1(uInfo);
63	pbCodeBuf[off++] = RT_BYTE2(uInfo);
64	pbCodeBuf[off++] = RT_BYTE3(uInfo);
65	pbCodeBuf[off++] = RT_BYTE4(uInfo);
66	}
67	#elif defined(RT_ARCH_ARM64)
68	/* nop */
69	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
70	pu32CodeBuf[off++] = 0xd503201f;
71
72	RT_NOREF(uInfo);
73	#else
74	# error "port me"
75	#endif
76	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
77	return off;
78	}
79
80
81	/**
82	* Emit a breakpoint instruction.
83	*/
84	DECL_FORCE_INLINE(uint32_t) iemNativeEmitBrkEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t uInfo)
85	{
86	#ifdef RT_ARCH_AMD64
87	pCodeBuf[off++] = 0xcc;
88	RT_NOREF(uInfo); /** @todo use multibyte nop for info? */
89
90	#elif defined(RT_ARCH_ARM64)
91	pCodeBuf[off++] = Armv8A64MkInstrBrk(uInfo & UINT32_C(0xffff));
92
93	#else
94	# error "error"
95	#endif
96	return off;
97	}
98
99
100	/**
101	* Emit a breakpoint instruction.
102	*/
103	DECL_INLINE_THROW(uint32_t) iemNativeEmitBrk(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uInfo)
104	{
105	#ifdef RT_ARCH_AMD64
106	off = iemNativeEmitBrkEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, uInfo);
107	#elif defined(RT_ARCH_ARM64)
108	off = iemNativeEmitBrkEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, uInfo);
109	#else
110	# error "error"
111	#endif
112	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
113	return off;
114	}
115
116
117	/*********************************************************************************************************************************
118	* Loads, Stores and Related Stuff. *
119	*********************************************************************************************************************************/
120
121	#ifdef RT_ARCH_AMD64
122	/**
123	* Common bit of iemNativeEmitLoadGprByGpr and friends.
124	*/
125	DECL_FORCE_INLINE(uint32_t)
126	iemNativeEmitGprByGprDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, uint8_t iGprBase, int32_t offDisp)
127	{
128	if (offDisp == 0 && (iGprBase & 7) != X86_GREG_xBP) /* Can use encoding w/o displacement field. */
129	{
130	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM0, iGprReg & 7, iGprBase & 7);
131	if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
132	pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
133	}
134	else if (offDisp == (int8_t)offDisp)
135	{
136	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, iGprBase & 7);
137	if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
138	pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
139	pbCodeBuf[off++] = (uint8_t)offDisp;
140	}
141	else
142	{
143	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, iGprBase & 7);
144	if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
145	pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
146	pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
147	pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
148	pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
149	pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
150	}
151	return off;
152	}
153	#endif /* RT_ARCH_AMD64 */
154
155	/**
156	* Emits setting a GPR to zero.
157	*/
158	DECL_INLINE_THROW(uint32_t)
159	iemNativeEmitGprZero(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
160	{
161	#ifdef RT_ARCH_AMD64
162	/* xor gpr32, gpr32 */
163	uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
164	if (iGpr >= 8)
165	pbCodeBuf[off++] = X86_OP_REX_R \| X86_OP_REX_B;
166	pbCodeBuf[off++] = 0x33;
167	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
168
169	#elif defined(RT_ARCH_ARM64)
170	/* mov gpr, #0x0 */
171	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
172	pu32CodeBuf[off++] = UINT32_C(0xd2800000) \| iGpr;
173
174	#else
175	# error "port me"
176	#endif
177	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
178	return off;
179	}
180
181
182	/**
183	* Variant of iemNativeEmitLoadGprImm64 where the caller ensures sufficent
184	* buffer space.
185	*
186	* Max buffer consumption:
187	* - AMD64: 10 instruction bytes.
188	* - ARM64: 4 instruction words (16 bytes).
189	*/
190	DECL_FORCE_INLINE(uint32_t)
191	iemNativeEmitLoadGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint64_t uImm64)
192	{
193	#ifdef RT_ARCH_AMD64
194	if (uImm64 == 0)
195	{
196	/* xor gpr, gpr */
197	if (iGpr >= 8)
198	pCodeBuf[off++] = X86_OP_REX_R \| X86_OP_REX_B;
199	pCodeBuf[off++] = 0x33;
200	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
201	}
202	else if (uImm64 <= UINT32_MAX)
203	{
204	/* mov gpr, imm32 */
205	if (iGpr >= 8)
206	pCodeBuf[off++] = X86_OP_REX_B;
207	pCodeBuf[off++] = 0xb8 + (iGpr & 7);
208	pCodeBuf[off++] = RT_BYTE1(uImm64);
209	pCodeBuf[off++] = RT_BYTE2(uImm64);
210	pCodeBuf[off++] = RT_BYTE3(uImm64);
211	pCodeBuf[off++] = RT_BYTE4(uImm64);
212	}
213	else if (uImm64 == (uint64_t)(int32_t)uImm64)
214	{
215	/* mov gpr, sx(imm32) */
216	if (iGpr < 8)
217	pCodeBuf[off++] = X86_OP_REX_W;
218	else
219	pCodeBuf[off++] = X86_OP_REX_W \| X86_OP_REX_B;
220	pCodeBuf[off++] = 0xc7;
221	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGpr & 7);
222	pCodeBuf[off++] = RT_BYTE1(uImm64);
223	pCodeBuf[off++] = RT_BYTE2(uImm64);
224	pCodeBuf[off++] = RT_BYTE3(uImm64);
225	pCodeBuf[off++] = RT_BYTE4(uImm64);
226	}
227	else
228	{
229	/* mov gpr, imm64 */
230	if (iGpr < 8)
231	pCodeBuf[off++] = X86_OP_REX_W;
232	else
233	pCodeBuf[off++] = X86_OP_REX_W \| X86_OP_REX_B;
234	pCodeBuf[off++] = 0xb8 + (iGpr & 7);
235	pCodeBuf[off++] = RT_BYTE1(uImm64);
236	pCodeBuf[off++] = RT_BYTE2(uImm64);
237	pCodeBuf[off++] = RT_BYTE3(uImm64);
238	pCodeBuf[off++] = RT_BYTE4(uImm64);
239	pCodeBuf[off++] = RT_BYTE5(uImm64);
240	pCodeBuf[off++] = RT_BYTE6(uImm64);
241	pCodeBuf[off++] = RT_BYTE7(uImm64);
242	pCodeBuf[off++] = RT_BYTE8(uImm64);
243	}
244
245	#elif defined(RT_ARCH_ARM64)
246	/*
247	* We need to start this sequence with a 'mov grp, imm16, lsl #x' and
248	* supply remaining bits using 'movk grp, imm16, lsl #x'.
249	*
250	* The mov instruction is encoded 0xd2800000 + shift + imm16 + grp,
251	* while the movk is 0xf2800000 + shift + imm16 + grp, meaning the diff
252	* is 0x20000000 (bit 29). So, we keep this bit in a variable and set it
253	* after the first non-zero immediate component so we switch to movk for
254	* the remainder.
255	*/
256	unsigned cZeroHalfWords = !( uImm64 & UINT16_MAX)
257	+ !((uImm64 >> 16) & UINT16_MAX)
258	+ !((uImm64 >> 32) & UINT16_MAX)
259	+ !((uImm64 >> 48) & UINT16_MAX);
260	unsigned cFfffHalfWords = cZeroHalfWords >= 2 ? 0 /* skip */
261	: ( (uImm64 & UINT16_MAX) == UINT16_MAX)
262	+ (((uImm64 >> 16) & UINT16_MAX) == UINT16_MAX)
263	+ (((uImm64 >> 32) & UINT16_MAX) == UINT16_MAX)
264	+ (((uImm64 >> 48) & UINT16_MAX) == UINT16_MAX);
265	if (cFfffHalfWords <= cZeroHalfWords)
266	{
267	uint32_t fMovBase = UINT32_C(0xd2800000) \| iGpr;
268
269	/* movz gpr, imm16 */
270	uint32_t uImmPart = (uint32_t)((uImm64 >> 0) & UINT32_C(0xffff));
271	if (uImmPart \|\| cZeroHalfWords == 4)
272	{
273	pCodeBuf[off++] = fMovBase \| (UINT32_C(0) << 21) \| (uImmPart << 5);
274	fMovBase \|= RT_BIT_32(29);
275	}
276	/* mov[z/k] gpr, imm16, lsl #16 */
277	uImmPart = (uint32_t)((uImm64 >> 16) & UINT32_C(0xffff));
278	if (uImmPart)
279	{
280	pCodeBuf[off++] = fMovBase \| (UINT32_C(1) << 21) \| (uImmPart << 5);
281	fMovBase \|= RT_BIT_32(29);
282	}
283	/* mov[z/k] gpr, imm16, lsl #32 */
284	uImmPart = (uint32_t)((uImm64 >> 32) & UINT32_C(0xffff));
285	if (uImmPart)
286	{
287	pCodeBuf[off++] = fMovBase \| (UINT32_C(2) << 21) \| (uImmPart << 5);
288	fMovBase \|= RT_BIT_32(29);
289	}
290	/* mov[z/k] gpr, imm16, lsl #48 */
291	uImmPart = (uint32_t)((uImm64 >> 48) & UINT32_C(0xffff));
292	if (uImmPart)
293	pCodeBuf[off++] = fMovBase \| (UINT32_C(3) << 21) \| (uImmPart << 5);
294	}
295	else
296	{
297	uint32_t fMovBase = UINT32_C(0x92800000) \| iGpr;
298
299	/* find the first half-word that isn't UINT16_MAX. */
300	uint32_t const iHwNotFfff = (uImm64 & UINT16_MAX) != UINT16_MAX ? 0
301	: ((uImm64 >> 16) & UINT16_MAX) != UINT16_MAX ? 1
302	: ((uImm64 >> 32) & UINT16_MAX) != UINT16_MAX ? 2 : 3;
303
304	/* movn gpr, imm16, lsl #iHwNotFfff16 /
305	uint32_t uImmPart = (uint32_t)(~(uImm64 >> (iHwNotFfff * 16)) & UINT32_C(0xffff)) << 5;
306	pCodeBuf[off++] = fMovBase \| (iHwNotFfff << 21) \| uImmPart;
307	fMovBase \|= RT_BIT_32(30) \| RT_BIT_32(29); /* -> movk */
308	/* movk gpr, imm16 */
309	if (iHwNotFfff != 0)
310	{
311	uImmPart = (uint32_t)((uImm64 >> 0) & UINT32_C(0xffff));
312	if (uImmPart != UINT32_C(0xffff))
313	pCodeBuf[off++] = fMovBase \| (UINT32_C(0) << 21) \| (uImmPart << 5);
314	}
315	/* movk gpr, imm16, lsl #16 */
316	if (iHwNotFfff != 1)
317	{
318	uImmPart = (uint32_t)((uImm64 >> 16) & UINT32_C(0xffff));
319	if (uImmPart != UINT32_C(0xffff))
320	pCodeBuf[off++] = fMovBase \| (UINT32_C(1) << 21) \| (uImmPart << 5);
321	}
322	/* movk gpr, imm16, lsl #32 */
323	if (iHwNotFfff != 2)
324	{
325	uImmPart = (uint32_t)((uImm64 >> 32) & UINT32_C(0xffff));
326	if (uImmPart != UINT32_C(0xffff))
327	pCodeBuf[off++] = fMovBase \| (UINT32_C(2) << 21) \| (uImmPart << 5);
328	}
329	/* movk gpr, imm16, lsl #48 */
330	if (iHwNotFfff != 3)
331	{
332	uImmPart = (uint32_t)((uImm64 >> 48) & UINT32_C(0xffff));
333	if (uImmPart != UINT32_C(0xffff))
334	pCodeBuf[off++] = fMovBase \| (UINT32_C(3) << 21) \| (uImmPart << 5);
335	}
336	}
337
338	/** @todo load into 'w' register instead of 'x' when imm64 <= UINT32_MAX?
339	* clang 12.x does that, only to use the 'x' version for the
340	* addressing in the following ldr). */
341
342	#else
343	# error "port me"
344	#endif
345	return off;
346	}
347
348
349	/**
350	* Emits loading a constant into a 64-bit GPR
351	*/
352	DECL_INLINE_THROW(uint32_t)
353	iemNativeEmitLoadGprImm64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint64_t uImm64)
354	{
355	#ifdef RT_ARCH_AMD64
356	off = iemNativeEmitLoadGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 10), off, iGpr, uImm64);
357	#elif defined(RT_ARCH_ARM64)
358	off = iemNativeEmitLoadGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGpr, uImm64);
359	#else
360	# error "port me"
361	#endif
362	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
363	return off;
364	}
365
366
367	/**
368	* Variant of iemNativeEmitLoadGpr32Imm where the caller ensures sufficent
369	* buffer space.
370	*
371	* Max buffer consumption:
372	* - AMD64: 6 instruction bytes.
373	* - ARM64: 2 instruction words (8 bytes).
374	*
375	* @note The top 32 bits will be cleared.
376	*/
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	* Shifting *
5439	*********************************************************************************************************************************/
5440
5441	/**
5442	* Emits code for shifting a GPR a fixed number of bits to the left.
5443	*/
5444	DECL_FORCE_INLINE(uint32_t)
5445	iemNativeEmitShiftGprLeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5446	{
5447	Assert(cShift > 0 && cShift < 64);
5448
5449	#if defined(RT_ARCH_AMD64)
5450	/* shl dst, cShift */
5451	pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W \| X86_OP_REX_B;
5452	if (cShift != 1)
5453	{
5454	pCodeBuf[off++] = 0xc1;
5455	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
5456	pCodeBuf[off++] = cShift;
5457	}
5458	else
5459	{
5460	pCodeBuf[off++] = 0xd1;
5461	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
5462	}
5463
5464	#elif defined(RT_ARCH_ARM64)
5465	pCodeBuf[off++] = Armv8A64MkInstrLslImm(iGprDst, iGprDst, cShift);
5466
5467	#else
5468	# error "Port me"
5469	#endif
5470	return off;
5471	}
5472
5473
5474	/**
5475	* Emits code for shifting a GPR a fixed number of bits to the left.
5476	*/
5477	DECL_INLINE_THROW(uint32_t)
5478	iemNativeEmitShiftGprLeft(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5479	{
5480	#if defined(RT_ARCH_AMD64)
5481	off = iemNativeEmitShiftGprLeftEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
5482	#elif defined(RT_ARCH_ARM64)
5483	off = iemNativeEmitShiftGprLeftEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
5484	#else
5485	# error "Port me"
5486	#endif
5487	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5488	return off;
5489	}
5490
5491
5492	/**
5493	* Emits code for shifting a 32-bit GPR a fixed number of bits to the left.
5494	*/
5495	DECL_FORCE_INLINE(uint32_t)
5496	iemNativeEmitShiftGpr32LeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5497	{
5498	Assert(cShift > 0 && cShift < 32);
5499
5500	#if defined(RT_ARCH_AMD64)
5501	/* shl dst, cShift */
5502	if (iGprDst >= 8)
5503	pCodeBuf[off++] = X86_OP_REX_B;
5504	if (cShift != 1)
5505	{
5506	pCodeBuf[off++] = 0xc1;
5507	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
5508	pCodeBuf[off++] = cShift;
5509	}
5510	else
5511	{
5512	pCodeBuf[off++] = 0xd1;
5513	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
5514	}
5515
5516	#elif defined(RT_ARCH_ARM64)
5517	pCodeBuf[off++] = Armv8A64MkInstrLslImm(iGprDst, iGprDst, cShift, false /64Bit/);
5518
5519	#else
5520	# error "Port me"
5521	#endif
5522	return off;
5523	}
5524
5525
5526	/**
5527	* Emits code for shifting a 32-bit GPR a fixed number of bits to the left.
5528	*/
5529	DECL_INLINE_THROW(uint32_t)
5530	iemNativeEmitShiftGpr32Left(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5531	{
5532	#if defined(RT_ARCH_AMD64)
5533	off = iemNativeEmitShiftGpr32LeftEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
5534	#elif defined(RT_ARCH_ARM64)
5535	off = iemNativeEmitShiftGpr32LeftEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
5536	#else
5537	# error "Port me"
5538	#endif
5539	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5540	return off;
5541	}
5542
5543
5544	/**
5545	* Emits code for (unsigned) shifting a GPR a fixed number of bits to the right.
5546	*/
5547	DECL_FORCE_INLINE(uint32_t)
5548	iemNativeEmitShiftGprRightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5549	{
5550	Assert(cShift > 0 && cShift < 64);
5551
5552	#if defined(RT_ARCH_AMD64)
5553	/* shr dst, cShift */
5554	pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W \| X86_OP_REX_B;
5555	if (cShift != 1)
5556	{
5557	pCodeBuf[off++] = 0xc1;
5558	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
5559	pCodeBuf[off++] = cShift;
5560	}
5561	else
5562	{
5563	pCodeBuf[off++] = 0xd1;
5564	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
5565	}
5566
5567	#elif defined(RT_ARCH_ARM64)
5568	pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprDst, cShift);
5569
5570	#else
5571	# error "Port me"
5572	#endif
5573	return off;
5574	}
5575
5576
5577	/**
5578	* Emits code for (unsigned) shifting a GPR a fixed number of bits to the right.
5579	*/
5580	DECL_INLINE_THROW(uint32_t)
5581	iemNativeEmitShiftGprRight(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5582	{
5583	#if defined(RT_ARCH_AMD64)
5584	off = iemNativeEmitShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
5585	#elif defined(RT_ARCH_ARM64)
5586	off = iemNativeEmitShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
5587	#else
5588	# error "Port me"
5589	#endif
5590	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5591	return off;
5592	}
5593
5594
5595	/**
5596	* Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
5597	* right.
5598	*/
5599	DECL_FORCE_INLINE(uint32_t)
5600	iemNativeEmitShiftGpr32RightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5601	{
5602	Assert(cShift > 0 && cShift < 32);
5603
5604	#if defined(RT_ARCH_AMD64)
5605	/* shr dst, cShift */
5606	if (iGprDst >= 8)
5607	pCodeBuf[off++] = X86_OP_REX_B;
5608	if (cShift != 1)
5609	{
5610	pCodeBuf[off++] = 0xc1;
5611	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
5612	pCodeBuf[off++] = cShift;
5613	}
5614	else
5615	{
5616	pCodeBuf[off++] = 0xd1;
5617	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
5618	}
5619
5620	#elif defined(RT_ARCH_ARM64)
5621	pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprDst, cShift, false /64Bit/);
5622
5623	#else
5624	# error "Port me"
5625	#endif
5626	return off;
5627	}
5628
5629
5630	/**
5631	* Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
5632	* right.
5633	*/
5634	DECL_INLINE_THROW(uint32_t)
5635	iemNativeEmitShiftGpr32Right(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5636	{
5637	#if defined(RT_ARCH_AMD64)
5638	off = iemNativeEmitShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
5639	#elif defined(RT_ARCH_ARM64)
5640	off = iemNativeEmitShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
5641	#else
5642	# error "Port me"
5643	#endif
5644	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5645	return off;
5646	}
5647
5648
5649	/**
5650	* Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
5651	* right and assigning it to a different GPR.
5652	*/
5653	DECL_INLINE_THROW(uint32_t)
5654	iemNativeEmitGpr32EqGprShiftRightImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint8_t cShift)
5655	{
5656	Assert(cShift > 0); Assert(cShift < 32);
5657	#if defined(RT_ARCH_AMD64)
5658	off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc);
5659	off = iemNativeEmitShiftGpr32RightEx(pCodeBuf, off, iGprDst, cShift);
5660
5661	#elif defined(RT_ARCH_ARM64)
5662	pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprSrc, cShift, false /64Bit/);
5663
5664	#else
5665	# error "Port me"
5666	#endif
5667	return off;
5668	}
5669
5670
5671	/**
5672	* Emits code for (signed) shifting a GPR a fixed number of bits to the right.
5673	*/
5674	DECL_FORCE_INLINE(uint32_t)
5675	iemNativeEmitArithShiftGprRightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5676	{
5677	Assert(cShift > 0 && cShift < 64);
5678
5679	#if defined(RT_ARCH_AMD64)
5680	/* sar dst, cShift */
5681	pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W \| X86_OP_REX_B;
5682	if (cShift != 1)
5683	{
5684	pCodeBuf[off++] = 0xc1;
5685	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
5686	pCodeBuf[off++] = cShift;
5687	}
5688	else
5689	{
5690	pCodeBuf[off++] = 0xd1;
5691	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
5692	}
5693
5694	#elif defined(RT_ARCH_ARM64)
5695	pCodeBuf[off++] = Armv8A64MkInstrAsrImm(iGprDst, iGprDst, cShift);
5696
5697	#else
5698	# error "Port me"
5699	#endif
5700	return off;
5701	}
5702
5703
5704	/**
5705	* Emits code for (signed) shifting a GPR a fixed number of bits to the right.
5706	*/
5707	DECL_INLINE_THROW(uint32_t)
5708	iemNativeEmitArithShiftGprRight(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5709	{
5710	#if defined(RT_ARCH_AMD64)
5711	off = iemNativeEmitArithShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
5712	#elif defined(RT_ARCH_ARM64)
5713	off = iemNativeEmitArithShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
5714	#else
5715	# error "Port me"
5716	#endif
5717	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5718	return off;
5719	}
5720
5721
5722	/**
5723	* Emits code for (signed) shifting a 32-bit GPR a fixed number of bits to the right.
5724	*/
5725	DECL_FORCE_INLINE(uint32_t)
5726	iemNativeEmitArithShiftGpr32RightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5727	{
5728	Assert(cShift > 0 && cShift < 64);
5729
5730	#if defined(RT_ARCH_AMD64)
5731	/* sar dst, cShift */
5732	if (iGprDst >= 8)
5733	pCodeBuf[off++] = X86_OP_REX_B;
5734	if (cShift != 1)
5735	{
5736	pCodeBuf[off++] = 0xc1;
5737	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
5738	pCodeBuf[off++] = cShift;
5739	}
5740	else
5741	{
5742	pCodeBuf[off++] = 0xd1;
5743	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
5744	}
5745
5746	#elif defined(RT_ARCH_ARM64)
5747	pCodeBuf[off++] = Armv8A64MkInstrAsrImm(iGprDst, iGprDst, cShift, false /f64Bit/);
5748
5749	#else
5750	# error "Port me"
5751	#endif
5752	return off;
5753	}
5754
5755
5756	/**
5757	* Emits code for (signed) shifting a GPR a fixed number of bits to the right.
5758	*/
5759	DECL_INLINE_THROW(uint32_t)
5760	iemNativeEmitArithShiftGpr32Right(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5761	{
5762	#if defined(RT_ARCH_AMD64)
5763	off = iemNativeEmitArithShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
5764	#elif defined(RT_ARCH_ARM64)
5765	off = iemNativeEmitArithShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
5766	#else
5767	# error "Port me"
5768	#endif
5769	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5770	return off;
5771	}
5772
5773
5774	/**
5775	* Emits code for rotating a GPR a fixed number of bits to the left.
5776	*/
5777	DECL_FORCE_INLINE(uint32_t)
5778	iemNativeEmitRotateGprLeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5779	{
5780	Assert(cShift > 0 && cShift < 64);
5781
5782	#if defined(RT_ARCH_AMD64)
5783	/* rol dst, cShift */
5784	pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W \| X86_OP_REX_B;
5785	if (cShift != 1)
5786	{
5787	pCodeBuf[off++] = 0xc1;
5788	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
5789	pCodeBuf[off++] = cShift;
5790	}
5791	else
5792	{
5793	pCodeBuf[off++] = 0xd1;
5794	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
5795	}
5796
5797	#elif defined(RT_ARCH_ARM64)
5798	pCodeBuf[off++] = Armv8A64MkInstrRorImm(iGprDst, iGprDst, cShift);
5799
5800	#else
5801	# error "Port me"
5802	#endif
5803	return off;
5804	}
5805
5806
5807	#if defined(RT_ARCH_AMD64)
5808	/**
5809	* Emits code for rotating a 32-bit GPR a fixed number of bits to the left via carry.
5810	*/
5811	DECL_FORCE_INLINE(uint32_t)
5812	iemNativeEmitAmd64RotateGpr32LeftViaCarryEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
5813	{
5814	Assert(cShift > 0 && cShift < 32);
5815
5816	/* rcl dst, cShift */
5817	if (iGprDst >= 8)
5818	pCodeBuf[off++] = X86_OP_REX_B;
5819	if (cShift != 1)
5820	{
5821	pCodeBuf[off++] = 0xc1;
5822	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
5823	pCodeBuf[off++] = cShift;
5824	}
5825	else
5826	{
5827	pCodeBuf[off++] = 0xd1;
5828	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
5829	}
5830
5831	return off;
5832	}
5833	#endif /* RT_ARCH_AMD64 */
5834
5835
5836
5837	/**
5838	* Emits code for reversing the byte order for a 16-bit value in a 32-bit GPR.
5839	* @note Bits 63:32 of the destination GPR will be cleared.
5840	*/
5841	DECL_FORCE_INLINE(uint32_t)
5842	iemNativeEmitBswapGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
5843	{
5844	#if defined(RT_ARCH_AMD64)
5845	/*
5846	* There is no bswap r16 on x86 (the encoding exists but does not work).
5847	* So just use a rol (gcc -O2 is doing that).
5848	*
5849	* rol r16, 0x8
5850	*/
5851	uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
5852	pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
5853	if (iGpr >= 8)
5854	pbCodeBuf[off++] = X86_OP_REX_B;
5855	pbCodeBuf[off++] = 0xc1;
5856	pbCodeBuf[off++] = 0xc0 \| (iGpr & 7);
5857	pbCodeBuf[off++] = 0x08;
5858	#elif defined(RT_ARCH_ARM64)
5859	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
5860
5861	pu32CodeBuf[off++] = Armv8A64MkInstrRev16(iGpr, iGpr, false /f64Bit/);
5862	#else
5863	# error "Port me"
5864	#endif
5865
5866	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5867	return off;
5868	}
5869
5870
5871	/**
5872	* Emits code for reversing the byte order in a 32-bit GPR.
5873	* @note Bits 63:32 of the destination GPR will be cleared.
5874	*/
5875	DECL_FORCE_INLINE(uint32_t)
5876	iemNativeEmitBswapGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
5877	{
5878	#if defined(RT_ARCH_AMD64)
5879	/* bswap r32 */
5880	uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
5881
5882	if (iGpr >= 8)
5883	pbCodeBuf[off++] = X86_OP_REX_B;
5884	pbCodeBuf[off++] = 0x0f;
5885	pbCodeBuf[off++] = 0xc8 \| (iGpr & 7);
5886	#elif defined(RT_ARCH_ARM64)
5887	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
5888
5889	pu32CodeBuf[off++] = Armv8A64MkInstrRev(iGpr, iGpr, false /f64Bit/);
5890	#else
5891	# error "Port me"
5892	#endif
5893
5894	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5895	return off;
5896	}
5897
5898
5899	/**
5900	* Emits code for reversing the byte order in a 64-bit GPR.
5901	*/
5902	DECL_FORCE_INLINE(uint32_t)
5903	iemNativeEmitBswapGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
5904	{
5905	#if defined(RT_ARCH_AMD64)
5906	/* bswap r64 */
5907	uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
5908
5909	if (iGpr >= 8)
5910	pbCodeBuf[off++] = X86_OP_REX_W \| X86_OP_REX_B;
5911	else
5912	pbCodeBuf[off++] = X86_OP_REX_W;
5913	pbCodeBuf[off++] = 0x0f;
5914	pbCodeBuf[off++] = 0xc8 \| (iGpr & 7);
5915	#elif defined(RT_ARCH_ARM64)
5916	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
5917
5918	pu32CodeBuf[off++] = Armv8A64MkInstrRev(iGpr, iGpr, true /f64Bit/);
5919	#else
5920	# error "Port me"
5921	#endif
5922
5923	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5924	return off;
5925	}
5926
5927
5928	/*********************************************************************************************************************************
5929	* Compare and Testing *
5930	*********************************************************************************************************************************/
5931
5932
5933	#ifdef RT_ARCH_ARM64
5934	/**
5935	* Emits an ARM64 compare instruction.
5936	*/
5937	DECL_INLINE_THROW(uint32_t)
5938	iemNativeEmitCmpArm64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight,
5939	bool f64Bit = true, uint32_t cShift = 0, ARMV8A64INSTRSHIFT enmShift = kArmv8A64InstrShift_Lsr)
5940	{
5941	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
5942	pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(true /fSub/, ARMV8_A64_REG_XZR /iRegResult/, iGprLeft, iGprRight,
5943	f64Bit, true /fSetFlags/, cShift, enmShift);
5944	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5945	return off;
5946	}
5947	#endif
5948
5949
5950	/**
5951	* Emits a compare of two 64-bit GPRs, settings status flags/whatever for use
5952	* with conditional instruction.
5953	*/
5954	DECL_FORCE_INLINE(uint32_t)
5955	iemNativeEmitCmpGprWithGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
5956	{
5957	#ifdef RT_ARCH_AMD64
5958	/* cmp Gv, Ev */
5959	pCodeBuf[off++] = X86_OP_REX_W \| (iGprLeft >= 8 ? X86_OP_REX_R : 0) \| (iGprRight >= 8 ? X86_OP_REX_B : 0);
5960	pCodeBuf[off++] = 0x3b;
5961	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprLeft & 7, iGprRight & 7);
5962
5963	#elif defined(RT_ARCH_ARM64)
5964	pCodeBuf[off++] = Armv8A64MkInstrCmpReg(iGprLeft, iGprRight);
5965
5966	#else
5967	# error "Port me!"
5968	#endif
5969	return off;
5970	}
5971
5972
5973	/**
5974	* Emits a compare of two 64-bit GPRs, settings status flags/whatever for use
5975	* with conditional instruction.
5976	*/
5977	DECL_INLINE_THROW(uint32_t)
5978	iemNativeEmitCmpGprWithGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
5979	{
5980	#ifdef RT_ARCH_AMD64
5981	off = iemNativeEmitCmpGprWithGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprLeft, iGprRight);
5982	#elif defined(RT_ARCH_ARM64)
5983	off = iemNativeEmitCmpGprWithGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprLeft, iGprRight);
5984	#else
5985	# error "Port me!"
5986	#endif
5987	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
5988	return off;
5989	}
5990
5991
5992	/**
5993	* Emits a compare of two 32-bit GPRs, settings status flags/whatever for use
5994	* with conditional instruction.
5995	*/
5996	DECL_FORCE_INLINE(uint32_t)
5997	iemNativeEmitCmpGpr32WithGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
5998	{
5999	#ifdef RT_ARCH_AMD64
6000	/* cmp Gv, Ev */
6001	if (iGprLeft >= 8 \|\| iGprRight >= 8)
6002	pCodeBuf[off++] = (iGprLeft >= 8 ? X86_OP_REX_R : 0) \| (iGprRight >= 8 ? X86_OP_REX_B : 0);
6003	pCodeBuf[off++] = 0x3b;
6004	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprLeft & 7, iGprRight & 7);
6005
6006	#elif defined(RT_ARCH_ARM64)
6007	pCodeBuf[off++] = Armv8A64MkInstrCmpReg(iGprLeft, iGprRight, false /f64Bit/);
6008
6009	#else
6010	# error "Port me!"
6011	#endif
6012	return off;
6013	}
6014
6015
6016	/**
6017	* Emits a compare of two 32-bit GPRs, settings status flags/whatever for use
6018	* with conditional instruction.
6019	*/
6020	DECL_INLINE_THROW(uint32_t)
6021	iemNativeEmitCmpGpr32WithGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
6022	{
6023	#ifdef RT_ARCH_AMD64
6024	off = iemNativeEmitCmpGpr32WithGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprLeft, iGprRight);
6025	#elif defined(RT_ARCH_ARM64)
6026	off = iemNativeEmitCmpGpr32WithGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprLeft, iGprRight);
6027	#else
6028	# error "Port me!"
6029	#endif
6030	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6031	return off;
6032	}
6033
6034
6035	/**
6036	* Emits a compare of a 64-bit GPR with a constant value, settings status
6037	* flags/whatever for use with conditional instruction.
6038	*/
6039	DECL_INLINE_THROW(uint32_t)
6040	iemNativeEmitCmpGprWithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint64_t uImm)
6041	{
6042	#ifdef RT_ARCH_AMD64
6043	if (uImm <= UINT32_C(0xff))
6044	{
6045	/* cmp Ev, Ib */
6046	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
6047	pbCodeBuf[off++] = X86_OP_REX_W \| (iGprLeft >= 8 ? X86_OP_REX_B : 0);
6048	pbCodeBuf[off++] = 0x83;
6049	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
6050	pbCodeBuf[off++] = (uint8_t)uImm;
6051	}
6052	else if ((int64_t)uImm == (int32_t)uImm)
6053	{
6054	/* cmp Ev, imm */
6055	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
6056	pbCodeBuf[off++] = X86_OP_REX_W \| (iGprLeft >= 8 ? X86_OP_REX_B : 0);
6057	pbCodeBuf[off++] = 0x81;
6058	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
6059	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6060	pbCodeBuf[off++] = RT_BYTE1(uImm);
6061	pbCodeBuf[off++] = RT_BYTE2(uImm);
6062	pbCodeBuf[off++] = RT_BYTE3(uImm);
6063	pbCodeBuf[off++] = RT_BYTE4(uImm);
6064	}
6065	else
6066	{
6067	/* Use temporary register for the immediate. */
6068	uint8_t const iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
6069	off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iTmpReg);
6070	iemNativeRegFreeTmpImm(pReNative, iTmpReg);
6071	}
6072
6073	#elif defined(RT_ARCH_ARM64)
6074	/** @todo guess there are clevere things we can do here... */
6075	if (uImm < _4K)
6076	{
6077	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
6078	pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /fSub/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
6079	true /64Bit/, true /fSetFlags/);
6080	}
6081	else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
6082	{
6083	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
6084	pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /fSub/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm >> 12,
6085	true /64Bit/, true /fSetFlags/, true /fShift12/);
6086	}
6087	else
6088	{
6089	/* Use temporary register for the immediate. */
6090	uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
6091	off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iTmpReg);
6092	iemNativeRegFreeTmpImm(pReNative, iTmpReg);
6093	}
6094
6095	#else
6096	# error "Port me!"
6097	#endif
6098
6099	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6100	return off;
6101	}
6102
6103
6104	/**
6105	* Emits a compare of a 32-bit GPR with a constant value, settings status
6106	* flags/whatever for use with conditional instruction.
6107	*
6108	* @note On ARM64 the @a uImm value must be in the range 0x000..0xfff or that
6109	* shifted 12 bits to the left (e.g. 0x1000..0xfff0000 with the lower 12
6110	* bits all zero). Will release assert or throw exception if the caller
6111	* violates this restriction.
6112	*/
6113	DECL_FORCE_INLINE_THROW(uint32_t)
6114	iemNativeEmitCmpGpr32WithImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint32_t uImm)
6115	{
6116	#ifdef RT_ARCH_AMD64
6117	if (iGprLeft >= 8)
6118	pCodeBuf[off++] = X86_OP_REX_B;
6119	if (uImm <= UINT32_C(0x7f))
6120	{
6121	/* cmp Ev, Ib */
6122	pCodeBuf[off++] = 0x83;
6123	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
6124	pCodeBuf[off++] = (uint8_t)uImm;
6125	}
6126	else
6127	{
6128	/* cmp Ev, imm */
6129	pCodeBuf[off++] = 0x81;
6130	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
6131	pCodeBuf[off++] = RT_BYTE1(uImm);
6132	pCodeBuf[off++] = RT_BYTE2(uImm);
6133	pCodeBuf[off++] = RT_BYTE3(uImm);
6134	pCodeBuf[off++] = RT_BYTE4(uImm);
6135	}
6136
6137	#elif defined(RT_ARCH_ARM64)
6138	/** @todo guess there are clevere things we can do here... */
6139	if (uImm < _4K)
6140	pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /fSub/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
6141	false /64Bit/, true /fSetFlags/);
6142	else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
6143	pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /fSub/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
6144	false /64Bit/, true /fSetFlags/, true /fShift12/);
6145	else
6146	# ifdef IEM_WITH_THROW_CATCH
6147	AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
6148	# else
6149	AssertReleaseFailedStmt(off = UINT32_MAX);
6150	# endif
6151
6152	#else
6153	# error "Port me!"
6154	#endif
6155	return off;
6156	}
6157
6158
6159	/**
6160	* Emits a compare of a 32-bit GPR with a constant value, settings status
6161	* flags/whatever for use with conditional instruction.
6162	*/
6163	DECL_INLINE_THROW(uint32_t)
6164	iemNativeEmitCmpGpr32WithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint32_t uImm)
6165	{
6166	#ifdef RT_ARCH_AMD64
6167	off = iemNativeEmitCmpGpr32WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprLeft, uImm);
6168
6169	#elif defined(RT_ARCH_ARM64)
6170	/** @todo guess there are clevere things we can do here... */
6171	if (uImm < _4K)
6172	{
6173	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
6174	pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /fSub/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
6175	false /64Bit/, true /fSetFlags/);
6176	}
6177	else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
6178	{
6179	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
6180	pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /fSub/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
6181	false /64Bit/, true /fSetFlags/, true /fShift12/);
6182	}
6183	else
6184	{
6185	/* Use temporary register for the immediate. */
6186	uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
6187	off = iemNativeEmitCmpGpr32WithGpr(pReNative, off, iGprLeft, iTmpReg);
6188	iemNativeRegFreeTmpImm(pReNative, iTmpReg);
6189	}
6190
6191	#else
6192	# error "Port me!"
6193	#endif
6194
6195	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6196	return off;
6197	}
6198
6199
6200	/**
6201	* Emits a compare of a 32-bit GPR with a constant value, settings status
6202	* flags/whatever for use with conditional instruction.
6203	*
6204	* @note ARM64: Helper register is required (@a idxTmpReg) for isolating the
6205	* 16-bit value from @a iGrpLeft.
6206	* @note On ARM64 the @a uImm value must be in the range 0x000..0xfff or that
6207	* shifted 12 bits to the left (e.g. 0x1000..0xfff0000 with the lower 12
6208	* bits all zero). Will release assert or throw exception if the caller
6209	* violates this restriction.
6210	*/
6211	DECL_FORCE_INLINE_THROW(uint32_t)
6212	iemNativeEmitCmpGpr16WithImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint16_t uImm,
6213	uint8_t idxTmpReg = UINT8_MAX)
6214	{
6215	#ifdef RT_ARCH_AMD64
6216	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
6217	if (iGprLeft >= 8)
6218	pCodeBuf[off++] = X86_OP_REX_B;
6219	if (uImm <= UINT32_C(0x7f))
6220	{
6221	/* cmp Ev, Ib */
6222	pCodeBuf[off++] = 0x83;
6223	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
6224	pCodeBuf[off++] = (uint8_t)uImm;
6225	}
6226	else
6227	{
6228	/* cmp Ev, imm */
6229	pCodeBuf[off++] = 0x81;
6230	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
6231	pCodeBuf[off++] = RT_BYTE1(uImm);
6232	pCodeBuf[off++] = RT_BYTE2(uImm);
6233	}
6234	RT_NOREF(idxTmpReg);
6235
6236	#elif defined(RT_ARCH_ARM64)
6237	# ifdef IEM_WITH_THROW_CATCH
6238	AssertStmt(idxTmpReg < 32, IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
6239	# else
6240	AssertReleaseStmt(idxTmpReg < 32, off = UINT32_MAX);
6241	# endif
6242	Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
6243	pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpReg, iGprLeft, 15, 0, false /f64Bit/);
6244	off = iemNativeEmitCmpGpr32WithImmEx(pCodeBuf, off, idxTmpReg, uImm);
6245
6246	#else
6247	# error "Port me!"
6248	#endif
6249	return off;
6250	}
6251
6252
6253	/**
6254	* Emits a compare of a 16-bit GPR with a constant value, settings status
6255	* flags/whatever for use with conditional instruction.
6256	*
6257	* @note ARM64: Helper register is required (idxTmpReg).
6258	*/
6259	DECL_INLINE_THROW(uint32_t)
6260	iemNativeEmitCmpGpr16WithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint16_t uImm,
6261	uint8_t idxTmpReg = UINT8_MAX)
6262	{
6263	#ifdef RT_ARCH_AMD64
6264	off = iemNativeEmitCmpGpr16WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprLeft, uImm, idxTmpReg);
6265	#elif defined(RT_ARCH_ARM64)
6266	off = iemNativeEmitCmpGpr16WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iGprLeft, uImm, idxTmpReg);
6267	#else
6268	# error "Port me!"
6269	#endif
6270	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6271	return off;
6272	}
6273
6274
6275
6276	/*********************************************************************************************************************************
6277	* Branching *
6278	*********************************************************************************************************************************/
6279
6280	/**
6281	* Emits a JMP rel32 / B imm19 to the given label.
6282	*/
6283	DECL_FORCE_INLINE_THROW(uint32_t)
6284	iemNativeEmitJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t idxLabel)
6285	{
6286	Assert(idxLabel < pReNative->cLabels);
6287
6288	#ifdef RT_ARCH_AMD64
6289	if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
6290	{
6291	uint32_t offRel = pReNative->paLabels[idxLabel].off - (off + 2);
6292	if ((int32_t)offRel < 128 && (int32_t)offRel >= -128)
6293	{
6294	pCodeBuf[off++] = 0xeb; /* jmp rel8 */
6295	pCodeBuf[off++] = (uint8_t)offRel;
6296	}
6297	else
6298	{
6299	offRel -= 3;
6300	pCodeBuf[off++] = 0xe9; /* jmp rel32 */
6301	pCodeBuf[off++] = RT_BYTE1(offRel);
6302	pCodeBuf[off++] = RT_BYTE2(offRel);
6303	pCodeBuf[off++] = RT_BYTE3(offRel);
6304	pCodeBuf[off++] = RT_BYTE4(offRel);
6305	}
6306	}
6307	else
6308	{
6309	pCodeBuf[off++] = 0xe9; /* jmp rel32 */
6310	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_Rel32, -4);
6311	pCodeBuf[off++] = 0xfe;
6312	pCodeBuf[off++] = 0xff;
6313	pCodeBuf[off++] = 0xff;
6314	pCodeBuf[off++] = 0xff;
6315	}
6316	pCodeBuf[off++] = 0xcc; /* int3 poison */
6317
6318	#elif defined(RT_ARCH_ARM64)
6319	if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
6320	{
6321	pCodeBuf[off] = Armv8A64MkInstrB(pReNative->paLabels[idxLabel].off - off);
6322	off++;
6323	}
6324	else
6325	{
6326	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm26At0);
6327	pCodeBuf[off++] = Armv8A64MkInstrB(-1);
6328	}
6329
6330	#else
6331	# error "Port me!"
6332	#endif
6333	return off;
6334	}
6335
6336
6337	/**
6338	* Emits a JMP rel32 / B imm19 to the given label.
6339	*/
6340	DECL_INLINE_THROW(uint32_t)
6341	iemNativeEmitJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
6342	{
6343	#ifdef RT_ARCH_AMD64
6344	off = iemNativeEmitJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 6), off, idxLabel);
6345	#elif defined(RT_ARCH_ARM64)
6346	off = iemNativeEmitJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1), off, idxLabel);
6347	#else
6348	# error "Port me!"
6349	#endif
6350	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6351	return off;
6352	}
6353
6354
6355	/**
6356	* Emits a JMP rel32 / B imm19 to a new undefined label.
6357	*/
6358	DECL_INLINE_THROW(uint32_t)
6359	iemNativeEmitJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
6360	{
6361	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
6362	return iemNativeEmitJmpToLabel(pReNative, off, idxLabel);
6363	}
6364
6365	/** Condition type. */
6366	#ifdef RT_ARCH_AMD64
6367	typedef enum IEMNATIVEINSTRCOND : uint8_t
6368	{
6369	kIemNativeInstrCond_o = 0,
6370	kIemNativeInstrCond_no,
6371	kIemNativeInstrCond_c,
6372	kIemNativeInstrCond_nc,
6373	kIemNativeInstrCond_e,
6374	kIemNativeInstrCond_ne,
6375	kIemNativeInstrCond_be,
6376	kIemNativeInstrCond_nbe,
6377	kIemNativeInstrCond_s,
6378	kIemNativeInstrCond_ns,
6379	kIemNativeInstrCond_p,
6380	kIemNativeInstrCond_np,
6381	kIemNativeInstrCond_l,
6382	kIemNativeInstrCond_nl,
6383	kIemNativeInstrCond_le,
6384	kIemNativeInstrCond_nle
6385	} IEMNATIVEINSTRCOND;
6386	#elif defined(RT_ARCH_ARM64)
6387	typedef ARMV8INSTRCOND IEMNATIVEINSTRCOND;
6388	# define kIemNativeInstrCond_o todo_conditional_codes
6389	# define kIemNativeInstrCond_no todo_conditional_codes
6390	# define kIemNativeInstrCond_c todo_conditional_codes
6391	# define kIemNativeInstrCond_nc todo_conditional_codes
6392	# define kIemNativeInstrCond_e kArmv8InstrCond_Eq
6393	# define kIemNativeInstrCond_ne kArmv8InstrCond_Ne
6394	# define kIemNativeInstrCond_be kArmv8InstrCond_Ls
6395	# define kIemNativeInstrCond_nbe kArmv8InstrCond_Hi
6396	# define kIemNativeInstrCond_s todo_conditional_codes
6397	# define kIemNativeInstrCond_ns todo_conditional_codes
6398	# define kIemNativeInstrCond_p todo_conditional_codes
6399	# define kIemNativeInstrCond_np todo_conditional_codes
6400	# define kIemNativeInstrCond_l kArmv8InstrCond_Lt
6401	# define kIemNativeInstrCond_nl kArmv8InstrCond_Ge
6402	# define kIemNativeInstrCond_le kArmv8InstrCond_Le
6403	# define kIemNativeInstrCond_nle kArmv8InstrCond_Gt
6404	#else
6405	# error "Port me!"
6406	#endif
6407
6408
6409	/**
6410	* Emits a Jcc rel32 / B.cc imm19 to the given label (ASSUMED requiring fixup).
6411	*/
6412	DECL_FORCE_INLINE_THROW(uint32_t)
6413	iemNativeEmitJccToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
6414	uint32_t idxLabel, IEMNATIVEINSTRCOND enmCond)
6415	{
6416	Assert(idxLabel < pReNative->cLabels);
6417
6418	uint32_t const offLabel = pReNative->paLabels[idxLabel].off;
6419	#ifdef RT_ARCH_AMD64
6420	if (offLabel >= off)
6421	{
6422	/* jcc rel32 */
6423	pCodeBuf[off++] = 0x0f;
6424	pCodeBuf[off++] = (uint8_t)enmCond \| 0x80;
6425	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_Rel32, -4);
6426	pCodeBuf[off++] = 0x00;
6427	pCodeBuf[off++] = 0x00;
6428	pCodeBuf[off++] = 0x00;
6429	pCodeBuf[off++] = 0x00;
6430	}
6431	else
6432	{
6433	int32_t offDisp = offLabel - (off + 2);
6434	if ((int8_t)offDisp == offDisp)
6435	{
6436	/* jcc rel8 */
6437	pCodeBuf[off++] = (uint8_t)enmCond \| 0x70;
6438	pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
6439	}
6440	else
6441	{
6442	/* jcc rel32 */
6443	offDisp -= 4;
6444	pCodeBuf[off++] = 0x0f;
6445	pCodeBuf[off++] = (uint8_t)enmCond \| 0x80;
6446	pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
6447	pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
6448	pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
6449	pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
6450	}
6451	}
6452
6453	#elif defined(RT_ARCH_ARM64)
6454	if (offLabel >= off)
6455	{
6456	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
6457	pCodeBuf[off++] = Armv8A64MkInstrBCond(enmCond, -1);
6458	}
6459	else
6460	{
6461	Assert(off - offLabel <= 0x3ffffU);
6462	pCodeBuf[off] = Armv8A64MkInstrBCond(enmCond, offLabel - off);
6463	off++;
6464	}
6465
6466	#else
6467	# error "Port me!"
6468	#endif
6469	return off;
6470	}
6471
6472
6473	/**
6474	* Emits a Jcc rel32 / B.cc imm19 to the given label (ASSUMED requiring fixup).
6475	*/
6476	DECL_INLINE_THROW(uint32_t)
6477	iemNativeEmitJccToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel, IEMNATIVEINSTRCOND enmCond)
6478	{
6479	#ifdef RT_ARCH_AMD64
6480	off = iemNativeEmitJccToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 6), off, idxLabel, enmCond);
6481	#elif defined(RT_ARCH_ARM64)
6482	off = iemNativeEmitJccToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1), off, idxLabel, enmCond);
6483	#else
6484	# error "Port me!"
6485	#endif
6486	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6487	return off;
6488	}
6489
6490
6491	/**
6492	* Emits a Jcc rel32 / B.cc imm19 to a new label.
6493	*/
6494	DECL_INLINE_THROW(uint32_t)
6495	iemNativeEmitJccToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
6496	IEMNATIVELABELTYPE enmLabelType, uint16_t uData, IEMNATIVEINSTRCOND enmCond)
6497	{
6498	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
6499	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, enmCond);
6500	}
6501
6502
6503	/**
6504	* Emits a JZ/JE rel32 / B.EQ imm19 to the given label.
6505	*/
6506	DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
6507	{
6508	#ifdef RT_ARCH_AMD64
6509	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_e);
6510	#elif defined(RT_ARCH_ARM64)
6511	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Eq);
6512	#else
6513	# error "Port me!"
6514	#endif
6515	}
6516
6517	/**
6518	* Emits a JZ/JE rel32 / B.EQ imm19 to a new label.
6519	*/
6520	DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
6521	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
6522	{
6523	#ifdef RT_ARCH_AMD64
6524	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_e);
6525	#elif defined(RT_ARCH_ARM64)
6526	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Eq);
6527	#else
6528	# error "Port me!"
6529	#endif
6530	}
6531
6532
6533	/**
6534	* Emits a JNZ/JNE rel32 / B.NE imm19 to the given label.
6535	*/
6536	DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
6537	{
6538	#ifdef RT_ARCH_AMD64
6539	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_ne);
6540	#elif defined(RT_ARCH_ARM64)
6541	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Ne);
6542	#else
6543	# error "Port me!"
6544	#endif
6545	}
6546
6547	/**
6548	* Emits a JNZ/JNE rel32 / B.NE imm19 to a new label.
6549	*/
6550	DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
6551	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
6552	{
6553	#ifdef RT_ARCH_AMD64
6554	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_ne);
6555	#elif defined(RT_ARCH_ARM64)
6556	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Ne);
6557	#else
6558	# error "Port me!"
6559	#endif
6560	}
6561
6562
6563	/**
6564	* Emits a JBE/JNA rel32 / B.LS imm19 to the given label.
6565	*/
6566	DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
6567	{
6568	#ifdef RT_ARCH_AMD64
6569	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_be);
6570	#elif defined(RT_ARCH_ARM64)
6571	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Ls);
6572	#else
6573	# error "Port me!"
6574	#endif
6575	}
6576
6577	/**
6578	* Emits a JBE/JNA rel32 / B.LS imm19 to a new label.
6579	*/
6580	DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
6581	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
6582	{
6583	#ifdef RT_ARCH_AMD64
6584	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_be);
6585	#elif defined(RT_ARCH_ARM64)
6586	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Ls);
6587	#else
6588	# error "Port me!"
6589	#endif
6590	}
6591
6592
6593	/**
6594	* Emits a JA/JNBE rel32 / B.HI imm19 to the given label.
6595	*/
6596	DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
6597	{
6598	#ifdef RT_ARCH_AMD64
6599	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_nbe);
6600	#elif defined(RT_ARCH_ARM64)
6601	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Hi);
6602	#else
6603	# error "Port me!"
6604	#endif
6605	}
6606
6607	/**
6608	* Emits a JA/JNBE rel32 / B.HI imm19 to a new label.
6609	*/
6610	DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
6611	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
6612	{
6613	#ifdef RT_ARCH_AMD64
6614	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_nbe);
6615	#elif defined(RT_ARCH_ARM64)
6616	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Hi);
6617	#else
6618	# error "Port me!"
6619	#endif
6620	}
6621
6622
6623	/**
6624	* Emits a JL/JNGE rel32 / B.LT imm19 to the given label.
6625	*/
6626	DECL_INLINE_THROW(uint32_t) iemNativeEmitJlToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
6627	{
6628	#ifdef RT_ARCH_AMD64
6629	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_l);
6630	#elif defined(RT_ARCH_ARM64)
6631	return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Lt);
6632	#else
6633	# error "Port me!"
6634	#endif
6635	}
6636
6637	/**
6638	* Emits a JA/JNGE rel32 / B.HI imm19 to a new label.
6639	*/
6640	DECL_INLINE_THROW(uint32_t) iemNativeEmitJlToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
6641	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
6642	{
6643	#ifdef RT_ARCH_AMD64
6644	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_l);
6645	#elif defined(RT_ARCH_ARM64)
6646	return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Lt);
6647	#else
6648	# error "Port me!"
6649	#endif
6650	}
6651
6652
6653	/**
6654	* Emits a Jcc rel32 / B.cc imm19 with a fixed displacement.
6655	*
6656	* @note The @a offTarget is the absolute jump target (unit is IEMNATIVEINSTR).
6657	*
6658	* Only use hardcoded jumps forward when emitting for exactly one
6659	* platform, otherwise apply iemNativeFixupFixedJump() to ensure hitting
6660	* the right target address on all platforms!
6661	*
6662	* Please also note that on x86 it is necessary pass off + 256 or higher
6663	* for @a offTarget one believe the intervening code is more than 127
6664	* bytes long.
6665	*/
6666	DECL_FORCE_INLINE(uint32_t)
6667	iemNativeEmitJccToFixedEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t offTarget, IEMNATIVEINSTRCOND enmCond)
6668	{
6669	#ifdef RT_ARCH_AMD64
6670	/* jcc rel8 / rel32 */
6671	int32_t offDisp = (int32_t)(offTarget - (off + 2));
6672	if (offDisp < 128 && offDisp >= -128)
6673	{
6674	pCodeBuf[off++] = (uint8_t)enmCond \| 0x70;
6675	pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
6676	}
6677	else
6678	{
6679	offDisp -= 4;
6680	pCodeBuf[off++] = 0x0f;
6681	pCodeBuf[off++] = (uint8_t)enmCond \| 0x80;
6682	pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
6683	pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
6684	pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
6685	pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
6686	}
6687
6688	#elif defined(RT_ARCH_ARM64)
6689	pCodeBuf[off] = Armv8A64MkInstrBCond(enmCond, (int32_t)(offTarget - off));
6690	off++;
6691	#else
6692	# error "Port me!"
6693	#endif
6694	return off;
6695	}
6696
6697
6698	/**
6699	* Emits a Jcc rel32 / B.cc imm19 with a fixed displacement.
6700	*
6701	* @note The @a offTarget is the absolute jump target (unit is IEMNATIVEINSTR).
6702	*
6703	* Only use hardcoded jumps forward when emitting for exactly one
6704	* platform, otherwise apply iemNativeFixupFixedJump() to ensure hitting
6705	* the right target address on all platforms!
6706	*
6707	* Please also note that on x86 it is necessary pass off + 256 or higher
6708	* for @a offTarget if one believe the intervening code is more than 127
6709	* bytes long.
6710	*/
6711	DECL_INLINE_THROW(uint32_t)
6712	iemNativeEmitJccToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget, IEMNATIVEINSTRCOND enmCond)
6713	{
6714	#ifdef RT_ARCH_AMD64
6715	off = iemNativeEmitJccToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, offTarget, enmCond);
6716	#elif defined(RT_ARCH_ARM64)
6717	off = iemNativeEmitJccToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, offTarget, enmCond);
6718	#else
6719	# error "Port me!"
6720	#endif
6721	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6722	return off;
6723	}
6724
6725
6726	/**
6727	* Emits a JZ/JE rel32 / B.EQ imm19 with a fixed displacement.
6728	*
6729	* See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
6730	*/
6731	DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
6732	{
6733	#ifdef RT_ARCH_AMD64
6734	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_e);
6735	#elif defined(RT_ARCH_ARM64)
6736	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Eq);
6737	#else
6738	# error "Port me!"
6739	#endif
6740	}
6741
6742
6743	/**
6744	* Emits a JNZ/JNE rel32 / B.NE imm19 with a fixed displacement.
6745	*
6746	* See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
6747	*/
6748	DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
6749	{
6750	#ifdef RT_ARCH_AMD64
6751	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_ne);
6752	#elif defined(RT_ARCH_ARM64)
6753	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Ne);
6754	#else
6755	# error "Port me!"
6756	#endif
6757	}
6758
6759
6760	/**
6761	* Emits a JBE/JNA rel32 / B.LS imm19 with a fixed displacement.
6762	*
6763	* See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
6764	*/
6765	DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
6766	{
6767	#ifdef RT_ARCH_AMD64
6768	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_be);
6769	#elif defined(RT_ARCH_ARM64)
6770	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Ls);
6771	#else
6772	# error "Port me!"
6773	#endif
6774	}
6775
6776
6777	/**
6778	* Emits a JA/JNBE rel32 / B.HI imm19 with a fixed displacement.
6779	*
6780	* See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
6781	*/
6782	DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
6783	{
6784	#ifdef RT_ARCH_AMD64
6785	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_nbe);
6786	#elif defined(RT_ARCH_ARM64)
6787	return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Hi);
6788	#else
6789	# error "Port me!"
6790	#endif
6791	}
6792
6793
6794	/**
6795	* Emits a JMP rel32/rel8 / B imm26 with a fixed displacement.
6796	*
6797	* See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
6798	*/
6799	DECL_FORCE_INLINE(uint32_t) iemNativeEmitJmpToFixedEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t offTarget)
6800	{
6801	#ifdef RT_ARCH_AMD64
6802	/* jmp rel8 or rel32 */
6803	int32_t offDisp = offTarget - (off + 2);
6804	if (offDisp < 128 && offDisp >= -128)
6805	{
6806	pCodeBuf[off++] = 0xeb;
6807	pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
6808	}
6809	else
6810	{
6811	offDisp -= 3;
6812	pCodeBuf[off++] = 0xe9;
6813	pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
6814	pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
6815	pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
6816	pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
6817	}
6818
6819	#elif defined(RT_ARCH_ARM64)
6820	pCodeBuf[off] = Armv8A64MkInstrB((int32_t)(offTarget - off));
6821	off++;
6822
6823	#else
6824	# error "Port me!"
6825	#endif
6826	return off;
6827	}
6828
6829
6830	/**
6831	* Emits a JMP rel32/rel8 / B imm26 with a fixed displacement.
6832	*
6833	* See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
6834	*/
6835	DECL_INLINE_THROW(uint32_t) iemNativeEmitJmpToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
6836	{
6837	#ifdef RT_ARCH_AMD64
6838	off = iemNativeEmitJmpToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 5), off, offTarget);
6839	#elif defined(RT_ARCH_ARM64)
6840	off = iemNativeEmitJmpToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, offTarget);
6841	#else
6842	# error "Port me!"
6843	#endif
6844	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6845	return off;
6846	}
6847
6848
6849	/**
6850	* Fixes up a conditional jump to a fixed label.
6851	* @see iemNativeEmitJmpToFixed, iemNativeEmitJnzToFixed,
6852	* iemNativeEmitJzToFixed, ...
6853	*/
6854	DECL_INLINE_THROW(void) iemNativeFixupFixedJump(PIEMRECOMPILERSTATE pReNative, uint32_t offFixup, uint32_t offTarget)
6855	{
6856	#ifdef RT_ARCH_AMD64
6857	uint8_t * const pbCodeBuf = pReNative->pInstrBuf;
6858	uint8_t const bOpcode = pbCodeBuf[offFixup];
6859	if ((uint8_t)(bOpcode - 0x70) < (uint8_t)0x10 \|\| bOpcode == 0xeb)
6860	{
6861	pbCodeBuf[offFixup + 1] = (uint8_t)(offTarget - (offFixup + 2));
6862	AssertStmt(pbCodeBuf[offFixup + 1] == offTarget - (offFixup + 2),
6863	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_EMIT_FIXED_JUMP_OUT_OF_RANGE));
6864	}
6865	else
6866	{
6867	if (bOpcode != 0x0f)
6868	Assert(bOpcode == 0xe9);
6869	else
6870	{
6871	offFixup += 1;
6872	Assert((uint8_t)(pbCodeBuf[offFixup] - 0x80) <= 0x10);
6873	}
6874	uint32_t const offRel32 = offTarget - (offFixup + 5);
6875	pbCodeBuf[offFixup + 1] = RT_BYTE1(offRel32);
6876	pbCodeBuf[offFixup + 2] = RT_BYTE2(offRel32);
6877	pbCodeBuf[offFixup + 3] = RT_BYTE3(offRel32);
6878	pbCodeBuf[offFixup + 4] = RT_BYTE4(offRel32);
6879	}
6880
6881	#elif defined(RT_ARCH_ARM64)
6882	uint32_t * const pu32CodeBuf = pReNative->pInstrBuf;
6883	if ((pu32CodeBuf[offFixup] & UINT32_C(0xff000000)) == UINT32_C(0x54000000))
6884	{
6885	/* B.COND + BC.COND */
6886	int32_t const offDisp = offTarget - offFixup;
6887	Assert(offDisp >= -262144 && offDisp < 262144);
6888	pu32CodeBuf[offFixup] = (pu32CodeBuf[offFixup] & UINT32_C(0xff00001f))
6889	\| (((uint32_t)offDisp & UINT32_C(0x0007ffff)) << 5);
6890	}
6891	else
6892	{
6893	/* B imm26 */
6894	Assert((pu32CodeBuf[offFixup] & UINT32_C(0xfc000000)) == UINT32_C(0x14000000));
6895	int32_t const offDisp = offTarget - offFixup;
6896	Assert(offDisp >= -33554432 && offDisp < 33554432);
6897	pu32CodeBuf[offFixup] = (pu32CodeBuf[offFixup] & UINT32_C(0xfc000000))
6898	\| ((uint32_t)offDisp & UINT32_C(0x03ffffff));
6899	}
6900
6901	#else
6902	# error "Port me!"
6903	#endif
6904	}
6905
6906
6907	#ifdef RT_ARCH_AMD64
6908	/**
6909	* For doing bt on a register.
6910	*/
6911	DECL_INLINE_THROW(uint32_t)
6912	iemNativeEmitAmd64TestBitInGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iBitNo)
6913	{
6914	Assert(iBitNo < 64);
6915	/* bt Ev, imm8 */
6916	if (iBitNo >= 32)
6917	pCodeBuf[off++] = X86_OP_REX_W \| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
6918	else if (iGprSrc >= 8)
6919	pCodeBuf[off++] = X86_OP_REX_B;
6920	pCodeBuf[off++] = 0x0f;
6921	pCodeBuf[off++] = 0xba;
6922	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprSrc & 7);
6923	pCodeBuf[off++] = iBitNo;
6924	return off;
6925	}
6926	#endif /* RT_ARCH_AMD64 */
6927
6928
6929	/**
6930	* Internal helper, don't call directly.
6931	*/
6932	DECL_INLINE_THROW(uint32_t)
6933	iemNativeEmitTestBitInGprAndJmpToLabelIfCc(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc,
6934	uint8_t iBitNo, uint32_t idxLabel, bool fJmpIfSet)
6935	{
6936	Assert(iBitNo < 64);
6937	#ifdef RT_ARCH_AMD64
6938	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
6939	if (iBitNo < 8)
6940	{
6941	/* test Eb, imm8 */
6942	if (iGprSrc >= 4)
6943	pbCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
6944	pbCodeBuf[off++] = 0xf6;
6945	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
6946	pbCodeBuf[off++] = (uint8_t)1 << iBitNo;
6947	off = iemNativeEmitJccToLabel(pReNative, off, idxLabel, fJmpIfSet ? kIemNativeInstrCond_ne : kIemNativeInstrCond_e);
6948	}
6949	else
6950	{
6951	/* bt Ev, imm8 */
6952	if (iBitNo >= 32)
6953	pbCodeBuf[off++] = X86_OP_REX_W \| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
6954	else if (iGprSrc >= 8)
6955	pbCodeBuf[off++] = X86_OP_REX_B;
6956	pbCodeBuf[off++] = 0x0f;
6957	pbCodeBuf[off++] = 0xba;
6958	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprSrc & 7);
6959	pbCodeBuf[off++] = iBitNo;
6960	off = iemNativeEmitJccToLabel(pReNative, off, idxLabel, fJmpIfSet ? kIemNativeInstrCond_c : kIemNativeInstrCond_nc);
6961	}
6962
6963	#elif defined(RT_ARCH_ARM64)
6964	/* Use the TBNZ instruction here. */
6965	uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
6966	if (pReNative->paLabels[idxLabel].enmType > kIemNativeLabelType_LastWholeTbBranch)
6967	{
6968	AssertMsg(pReNative->paLabels[idxLabel].off == UINT32_MAX,
6969	("TODO: Please enable & test commented out code for jumping back to a predefined label.\n"));
6970	//uint32_t offLabel = pReNative->paLabels[idxLabel].off;
6971	//if (offLabel == UINT32_MAX)
6972	{
6973	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm14At5);
6974	pu32CodeBuf[off++] = Armv8A64MkInstrTbzTbnz(fJmpIfSet, 0, iGprSrc, iBitNo);
6975	}
6976	//else
6977	//{
6978	// RT_BREAKPOINT();
6979	// Assert(off - offLabel <= 0x1fffU);
6980	// pu32CodeBuf[off++] = Armv8A64MkInstrTbzTbnz(fJmpIfSet, offLabel - off, iGprSrc, iBitNo);
6981	//
6982	//}
6983	}
6984	else
6985	{
6986	Assert(Armv8A64ConvertImmRImmS2Mask64(0x40, (64U - iBitNo) & 63U) == RT_BIT_64(iBitNo));
6987	pu32CodeBuf[off++] = Armv8A64MkInstrTstImm(iGprSrc, 0x40, (64U - iBitNo) & 63U);
6988	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
6989	pu32CodeBuf[off++] = Armv8A64MkInstrBCond(fJmpIfSet ? kArmv8InstrCond_Ne : kArmv8InstrCond_Eq, 0);
6990	}
6991
6992	#else
6993	# error "Port me!"
6994	#endif
6995	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
6996	return off;
6997	}
6998
6999
7000	/**
7001	* Emits a jump to @a idxLabel on the condition that bit @a iBitNo _is_ _set_ in
7002	* @a iGprSrc.
7003	*
7004	* @note On ARM64 the range is only +/-8191 instructions.
7005	*/
7006	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestBitInGprAndJmpToLabelIfSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7007	uint8_t iGprSrc, uint8_t iBitNo, uint32_t idxLabel)
7008	{
7009	return iemNativeEmitTestBitInGprAndJmpToLabelIfCc(pReNative, off, iGprSrc, iBitNo, idxLabel, true /fJmpIfSet/);
7010	}
7011
7012
7013	/**
7014	* Emits a jump to @a idxLabel on the condition that bit @a iBitNo _is_ _not_
7015	* _set_ in @a iGprSrc.
7016	*
7017	* @note On ARM64 the range is only +/-8191 instructions.
7018	*/
7019	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestBitInGprAndJmpToLabelIfNotSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7020	uint8_t iGprSrc, uint8_t iBitNo, uint32_t idxLabel)
7021	{
7022	return iemNativeEmitTestBitInGprAndJmpToLabelIfCc(pReNative, off, iGprSrc, iBitNo, idxLabel, false /fJmpIfSet/);
7023	}
7024
7025
7026	/**
7027	* Emits a test for any of the bits from @a fBits in @a iGprSrc, setting CPU
7028	* flags accordingly.
7029	*/
7030	DECL_INLINE_THROW(uint32_t)
7031	iemNativeEmitTestAnyBitsInGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint64_t fBits)
7032	{
7033	Assert(fBits != 0);
7034	#ifdef RT_ARCH_AMD64
7035
7036	if (fBits >= UINT32_MAX)
7037	{
7038	uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
7039
7040	/* test Ev,Gv */
7041	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
7042	pbCodeBuf[off++] = X86_OP_REX_W \| (iGprSrc < 8 ? 0 : X86_OP_REX_R) \| (iTmpReg < 8 ? 0 : X86_OP_REX_B);
7043	pbCodeBuf[off++] = 0x85;
7044	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprSrc & 8, iTmpReg & 7);
7045
7046	iemNativeRegFreeTmpImm(pReNative, iTmpReg);
7047	}
7048	else if (fBits <= UINT32_MAX)
7049	{
7050	/* test Eb, imm8 or test Ev, imm32 */
7051	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
7052	if (fBits <= UINT8_MAX)
7053	{
7054	if (iGprSrc >= 4)
7055	pbCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
7056	pbCodeBuf[off++] = 0xf6;
7057	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
7058	pbCodeBuf[off++] = (uint8_t)fBits;
7059	}
7060	else
7061	{
7062	if (iGprSrc >= 8)
7063	pbCodeBuf[off++] = X86_OP_REX_B;
7064	pbCodeBuf[off++] = 0xf7;
7065	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
7066	pbCodeBuf[off++] = RT_BYTE1(fBits);
7067	pbCodeBuf[off++] = RT_BYTE2(fBits);
7068	pbCodeBuf[off++] = RT_BYTE3(fBits);
7069	pbCodeBuf[off++] = RT_BYTE4(fBits);
7070	}
7071	}
7072	/** @todo implement me. */
7073	else
7074	AssertFailedStmt(IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_EMIT_CASE_NOT_IMPLEMENTED_1));
7075
7076	#elif defined(RT_ARCH_ARM64)
7077	uint32_t uImmR = 0;
7078	uint32_t uImmNandS = 0;
7079	if (Armv8A64ConvertMask64ToImmRImmS(fBits, &uImmNandS, &uImmR))
7080	{
7081	/* ands xzr, iGprSrc, #fBits */
7082	uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
7083	pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR);
7084	}
7085	else
7086	{
7087	/* ands xzr, iGprSrc, iTmpReg */
7088	uint8_t const iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
7089	uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
7090	pu32CodeBuf[off++] = Armv8A64MkInstrAnds(ARMV8_A64_REG_XZR, iGprSrc, iTmpReg);
7091	iemNativeRegFreeTmpImm(pReNative, iTmpReg);
7092	}
7093
7094	#else
7095	# error "Port me!"
7096	#endif
7097	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7098	return off;
7099	}
7100
7101
7102	/**
7103	* Emits a test for any of the bits from @a fBits in the lower 32 bits of
7104	* @a iGprSrc, setting CPU flags accordingly.
7105	*
7106	* @note For ARM64 this only supports @a fBits values that can be expressed
7107	* using the two 6-bit immediates of the ANDS instruction. The caller
7108	* must make sure this is possible!
7109	*/
7110	DECL_FORCE_INLINE_THROW(uint32_t)
7111	iemNativeEmitTestAnyBitsInGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint32_t fBits)
7112	{
7113	Assert(fBits != 0);
7114
7115	#ifdef RT_ARCH_AMD64
7116	if (fBits <= UINT8_MAX)
7117	{
7118	/* test Eb, imm8 */
7119	if (iGprSrc >= 4)
7120	pCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
7121	pCodeBuf[off++] = 0xf6;
7122	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
7123	pCodeBuf[off++] = (uint8_t)fBits;
7124	}
7125	else
7126	{
7127	/* test Ev, imm32 */
7128	if (iGprSrc >= 8)
7129	pCodeBuf[off++] = X86_OP_REX_B;
7130	pCodeBuf[off++] = 0xf7;
7131	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
7132	pCodeBuf[off++] = RT_BYTE1(fBits);
7133	pCodeBuf[off++] = RT_BYTE2(fBits);
7134	pCodeBuf[off++] = RT_BYTE3(fBits);
7135	pCodeBuf[off++] = RT_BYTE4(fBits);
7136	}
7137
7138	#elif defined(RT_ARCH_ARM64)
7139	/* ands xzr, src, #fBits */
7140	uint32_t uImmR = 0;
7141	uint32_t uImmNandS = 0;
7142	if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
7143	pCodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /f64Bit/);
7144	else
7145	# ifdef IEM_WITH_THROW_CATCH
7146	AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
7147	# else
7148	AssertReleaseFailedStmt(off = UINT32_MAX);
7149	# endif
7150
7151	#else
7152	# error "Port me!"
7153	#endif
7154	return off;
7155	}
7156
7157
7158
7159	/**
7160	* Emits a test for any of the bits from @a fBits in the lower 8 bits of
7161	* @a iGprSrc, setting CPU flags accordingly.
7162	*
7163	* @note For ARM64 this only supports @a fBits values that can be expressed
7164	* using the two 6-bit immediates of the ANDS instruction. The caller
7165	* must make sure this is possible!
7166	*/
7167	DECL_FORCE_INLINE_THROW(uint32_t)
7168	iemNativeEmitTestAnyBitsInGpr8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t fBits)
7169	{
7170	Assert(fBits != 0);
7171
7172	#ifdef RT_ARCH_AMD64
7173	/* test Eb, imm8 */
7174	if (iGprSrc >= 4)
7175	pCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
7176	pCodeBuf[off++] = 0xf6;
7177	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
7178	pCodeBuf[off++] = fBits;
7179
7180	#elif defined(RT_ARCH_ARM64)
7181	/* ands xzr, src, #fBits */
7182	uint32_t uImmR = 0;
7183	uint32_t uImmNandS = 0;
7184	if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
7185	pCodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /f64Bit/);
7186	else
7187	# ifdef IEM_WITH_THROW_CATCH
7188	AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
7189	# else
7190	AssertReleaseFailedStmt(off = UINT32_MAX);
7191	# endif
7192
7193	#else
7194	# error "Port me!"
7195	#endif
7196	return off;
7197	}
7198
7199
7200	/**
7201	* Emits a test for any of the bits from @a fBits in the lower 8 bits of
7202	* @a iGprSrc, setting CPU flags accordingly.
7203	*/
7204	DECL_INLINE_THROW(uint32_t)
7205	iemNativeEmitTestAnyBitsInGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint8_t fBits)
7206	{
7207	Assert(fBits != 0);
7208
7209	#ifdef RT_ARCH_AMD64
7210	off = iemNativeEmitTestAnyBitsInGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprSrc, fBits);
7211
7212	#elif defined(RT_ARCH_ARM64)
7213	/* ands xzr, src, [tmp\|#imm] */
7214	uint32_t uImmR = 0;
7215	uint32_t uImmNandS = 0;
7216	if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
7217	{
7218	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
7219	pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /f64Bit/);
7220	}
7221	else
7222	{
7223	/* Use temporary register for the 64-bit immediate. */
7224	uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
7225	uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
7226	pu32CodeBuf[off++] = Armv8A64MkInstrAnds(ARMV8_A64_REG_XZR, iGprSrc, iTmpReg, false /f64Bit/);
7227	iemNativeRegFreeTmpImm(pReNative, iTmpReg);
7228	}
7229
7230	#else
7231	# error "Port me!"
7232	#endif
7233	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7234	return off;
7235	}
7236
7237
7238	/**
7239	* Emits a jump to @a idxLabel on the condition _any_ of the bits in @a fBits
7240	* are set in @a iGprSrc.
7241	*/
7242	DECL_INLINE_THROW(uint32_t)
7243	iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfAnySet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7244	uint8_t iGprSrc, uint64_t fBits, uint32_t idxLabel)
7245	{
7246	Assert(fBits); Assert(!RT_IS_POWER_OF_TWO(fBits));
7247
7248	off = iemNativeEmitTestAnyBitsInGpr(pReNative, off, iGprSrc, fBits);
7249	off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
7250
7251	return off;
7252	}
7253
7254
7255	/**
7256	* Emits a jump to @a idxLabel on the condition _none_ of the bits in @a fBits
7257	* are set in @a iGprSrc.
7258	*/
7259	DECL_INLINE_THROW(uint32_t)
7260	iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfNoneSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7261	uint8_t iGprSrc, uint64_t fBits, uint32_t idxLabel)
7262	{
7263	Assert(fBits); Assert(!RT_IS_POWER_OF_TWO(fBits));
7264
7265	off = iemNativeEmitTestAnyBitsInGpr(pReNative, off, iGprSrc, fBits);
7266	off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
7267
7268	return off;
7269	}
7270
7271
7272	/**
7273	* Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
7274	*
7275	* The operand size is given by @a f64Bit.
7276	*/
7277	DECL_FORCE_INLINE_THROW(uint32_t)
7278	iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
7279	uint8_t iGprSrc, bool f64Bit, bool fJmpIfNotZero, uint32_t idxLabel)
7280	{
7281	Assert(idxLabel < pReNative->cLabels);
7282
7283	#ifdef RT_ARCH_AMD64
7284	/* test reg32,reg32 / test reg64,reg64 */
7285	if (f64Bit)
7286	pCodeBuf[off++] = X86_OP_REX_W \| (iGprSrc < 8 ? 0 : X86_OP_REX_R \| X86_OP_REX_B);
7287	else if (iGprSrc >= 8)
7288	pCodeBuf[off++] = X86_OP_REX_R \| X86_OP_REX_B;
7289	pCodeBuf[off++] = 0x85;
7290	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprSrc & 7, iGprSrc & 7);
7291
7292	/* jnz idxLabel */
7293	off = iemNativeEmitJccToLabelEx(pReNative, pCodeBuf, off, idxLabel,
7294	fJmpIfNotZero ? kIemNativeInstrCond_ne : kIemNativeInstrCond_e);
7295
7296	#elif defined(RT_ARCH_ARM64)
7297	if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
7298	{
7299	pCodeBuf[off] = Armv8A64MkInstrCbzCbnz(fJmpIfNotZero, (int32_t)(pReNative->paLabels[idxLabel].off - off),
7300	iGprSrc, f64Bit);
7301	off++;
7302	}
7303	else
7304	{
7305	iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
7306	pCodeBuf[off++] = Armv8A64MkInstrCbzCbnz(fJmpIfNotZero, 0, iGprSrc, f64Bit);
7307	}
7308
7309	#else
7310	# error "Port me!"
7311	#endif
7312	return off;
7313	}
7314
7315
7316	/**
7317	* Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
7318	*
7319	* The operand size is given by @a f64Bit.
7320	*/
7321	DECL_FORCE_INLINE_THROW(uint32_t)
7322	iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc,
7323	bool f64Bit, bool fJmpIfNotZero, uint32_t idxLabel)
7324	{
7325	#ifdef RT_ARCH_AMD64
7326	off = iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 3 + 6),
7327	off, iGprSrc, f64Bit, fJmpIfNotZero, idxLabel);
7328	#elif defined(RT_ARCH_ARM64)
7329	off = iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1),
7330	off, iGprSrc, f64Bit, fJmpIfNotZero, idxLabel);
7331	#else
7332	# error "Port me!"
7333	#endif
7334	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7335	return off;
7336	}
7337
7338
7339	/* if (Grp1 == 0) Jmp idxLabel; */
7340
7341	/**
7342	* Emits code that jumps to @a idxLabel if @a iGprSrc is zero.
7343	*
7344	* The operand size is given by @a f64Bit.
7345	*/
7346	DECL_FORCE_INLINE_THROW(uint32_t)
7347	iemNativeEmitTestIfGprIsZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
7348	uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
7349	{
7350	return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, pCodeBuf, off, iGprSrc,
7351	f64Bit, false /fJmpIfNotZero/, idxLabel);
7352	}
7353
7354
7355	/**
7356	* Emits code that jumps to @a idxLabel if @a iGprSrc is zero.
7357	*
7358	* The operand size is given by @a f64Bit.
7359	*/
7360	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGprIsZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7361	uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
7362	{
7363	return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, false /fJmpIfNotZero/, idxLabel);
7364	}
7365
7366
7367	/**
7368	* Emits code that jumps to a new label if @a iGprSrc is zero.
7369	*
7370	* The operand size is given by @a f64Bit.
7371	*/
7372	DECL_INLINE_THROW(uint32_t)
7373	iemNativeEmitTestIfGprIsZeroAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, bool f64Bit,
7374	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7375	{
7376	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7377	return iemNativeEmitTestIfGprIsZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, idxLabel);
7378	}
7379
7380
7381	/* if (Grp1 != 0) Jmp idxLabel; */
7382
7383	/**
7384	* Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
7385	*
7386	* The operand size is given by @a f64Bit.
7387	*/
7388	DECL_FORCE_INLINE_THROW(uint32_t)
7389	iemNativeEmitTestIfGprIsNotZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
7390	uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
7391	{
7392	return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, pCodeBuf, off, iGprSrc,
7393	f64Bit, true /fJmpIfNotZero/, idxLabel);
7394	}
7395
7396
7397	/**
7398	* Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
7399	*
7400	* The operand size is given by @a f64Bit.
7401	*/
7402	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGprIsNotZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7403	uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
7404	{
7405	return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, true /fJmpIfNotZero/, idxLabel);
7406	}
7407
7408
7409	/**
7410	* Emits code that jumps to a new label if @a iGprSrc is not zero.
7411	*
7412	* The operand size is given by @a f64Bit.
7413	*/
7414	DECL_INLINE_THROW(uint32_t)
7415	iemNativeEmitTestIfGprIsNotZeroAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, bool f64Bit,
7416	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7417	{
7418	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7419	return iemNativeEmitTestIfGprIsNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, idxLabel);
7420	}
7421
7422
7423	/* if (Grp1 != Gpr2) Jmp idxLabel; */
7424
7425	/**
7426	* Emits code that jumps to the given label if @a iGprLeft and @a iGprRight
7427	* differs.
7428	*/
7429	DECL_INLINE_THROW(uint32_t)
7430	iemNativeEmitTestIfGprNotEqualGprAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7431	uint8_t iGprLeft, uint8_t iGprRight, uint32_t idxLabel)
7432	{
7433	off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iGprRight);
7434	off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
7435	return off;
7436	}
7437
7438
7439	/**
7440	* Emits code that jumps to a new label if @a iGprLeft and @a iGprRight differs.
7441	*/
7442	DECL_INLINE_THROW(uint32_t)
7443	iemNativeEmitTestIfGprNotEqualGprAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7444	uint8_t iGprLeft, uint8_t iGprRight,
7445	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7446	{
7447	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7448	return iemNativeEmitTestIfGprNotEqualGprAndJmpToLabel(pReNative, off, iGprLeft, iGprRight, idxLabel);
7449	}
7450
7451
7452	/* if (Grp != Imm) Jmp idxLabel; */
7453
7454	/**
7455	* Emits code that jumps to the given label if @a iGprSrc differs from @a uImm.
7456	*/
7457	DECL_INLINE_THROW(uint32_t)
7458	iemNativeEmitTestIfGprNotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7459	uint8_t iGprSrc, uint64_t uImm, uint32_t idxLabel)
7460	{
7461	off = iemNativeEmitCmpGprWithImm(pReNative, off, iGprSrc, uImm);
7462	off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
7463	return off;
7464	}
7465
7466
7467	/**
7468	* Emits code that jumps to a new label if @a iGprSrc differs from @a uImm.
7469	*/
7470	DECL_INLINE_THROW(uint32_t)
7471	iemNativeEmitTestIfGprNotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7472	uint8_t iGprSrc, uint64_t uImm,
7473	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7474	{
7475	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7476	return iemNativeEmitTestIfGprNotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
7477	}
7478
7479
7480	/**
7481	* Emits code that jumps to the given label if 32-bit @a iGprSrc differs from
7482	* @a uImm.
7483	*/
7484	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr32NotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7485	uint8_t iGprSrc, uint32_t uImm, uint32_t idxLabel)
7486	{
7487	off = iemNativeEmitCmpGpr32WithImm(pReNative, off, iGprSrc, uImm);
7488	off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
7489	return off;
7490	}
7491
7492
7493	/**
7494	* Emits code that jumps to a new label if 32-bit @a iGprSrc differs from
7495	* @a uImm.
7496	*/
7497	DECL_INLINE_THROW(uint32_t)
7498	iemNativeEmitTestIfGpr32NotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7499	uint8_t iGprSrc, uint32_t uImm,
7500	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7501	{
7502	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7503	return iemNativeEmitTestIfGpr32NotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
7504	}
7505
7506
7507	/**
7508	* Emits code that jumps to the given label if 16-bit @a iGprSrc differs from
7509	* @a uImm.
7510	*/
7511	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr16NotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7512	uint8_t iGprSrc, uint16_t uImm, uint32_t idxLabel)
7513	{
7514	off = iemNativeEmitCmpGpr16WithImm(pReNative, off, iGprSrc, uImm);
7515	off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
7516	return off;
7517	}
7518
7519
7520	/**
7521	* Emits code that jumps to a new label if 16-bit @a iGprSrc differs from
7522	* @a uImm.
7523	*/
7524	DECL_INLINE_THROW(uint32_t)
7525	iemNativeEmitTestIfGpr16NotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7526	uint8_t iGprSrc, uint16_t uImm,
7527	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7528	{
7529	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7530	return iemNativeEmitTestIfGpr16NotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
7531	}
7532
7533
7534	/* if (Grp == Imm) Jmp idxLabel; */
7535
7536	/**
7537	* Emits code that jumps to the given label if @a iGprSrc equals @a uImm.
7538	*/
7539	DECL_INLINE_THROW(uint32_t)
7540	iemNativeEmitTestIfGprEqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7541	uint8_t iGprSrc, uint64_t uImm, uint32_t idxLabel)
7542	{
7543	off = iemNativeEmitCmpGprWithImm(pReNative, off, iGprSrc, uImm);
7544	off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
7545	return off;
7546	}
7547
7548
7549	/**
7550	* Emits code that jumps to a new label if @a iGprSrc equals from @a uImm.
7551	*/
7552	DECL_INLINE_THROW(uint32_t)
7553	iemNativeEmitTestIfGprEqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint64_t uImm,
7554	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7555	{
7556	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7557	return iemNativeEmitTestIfGprEqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
7558	}
7559
7560
7561	/**
7562	* Emits code that jumps to the given label if 32-bit @a iGprSrc equals @a uImm.
7563	*/
7564	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr32EqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7565	uint8_t iGprSrc, uint32_t uImm, uint32_t idxLabel)
7566	{
7567	off = iemNativeEmitCmpGpr32WithImm(pReNative, off, iGprSrc, uImm);
7568	off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
7569	return off;
7570	}
7571
7572
7573	/**
7574	* Emits code that jumps to a new label if 32-bit @a iGprSrc equals @a uImm.
7575	*/
7576	DECL_INLINE_THROW(uint32_t)
7577	iemNativeEmitTestIfGpr32EqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint32_t uImm,
7578	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
7579	{
7580	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7581	return iemNativeEmitTestIfGpr32EqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
7582	}
7583
7584
7585	/**
7586	* Emits code that jumps to the given label if 16-bit @a iGprSrc equals @a uImm.
7587	*
7588	* @note ARM64: Helper register is required (idxTmpReg).
7589	*/
7590	DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr16EqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
7591	uint8_t iGprSrc, uint16_t uImm, uint32_t idxLabel,
7592	uint8_t idxTmpReg = UINT8_MAX)
7593	{
7594	off = iemNativeEmitCmpGpr16WithImm(pReNative, off, iGprSrc, uImm, idxTmpReg);
7595	off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
7596	return off;
7597	}
7598
7599
7600	/**
7601	* Emits code that jumps to a new label if 16-bit @a iGprSrc equals @a uImm.
7602	*
7603	* @note ARM64: Helper register is required (idxTmpReg).
7604	*/
7605	DECL_INLINE_THROW(uint32_t)
7606	iemNativeEmitTestIfGpr16EqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint16_t uImm,
7607	IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0,
7608	uint8_t idxTmpReg = UINT8_MAX)
7609	{
7610	uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /offWhere/, uData);
7611	return iemNativeEmitTestIfGpr16EqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel, idxTmpReg);
7612	}
7613
7614
7615	/*********************************************************************************************************************************
7616	* Calls. *
7617	*********************************************************************************************************************************/
7618
7619	/**
7620	* Emits a call to a 64-bit address.
7621	*/
7622	DECL_INLINE_THROW(uint32_t) iemNativeEmitCallImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uintptr_t uPfn)
7623	{
7624	#ifdef RT_ARCH_AMD64
7625	off = iemNativeEmitLoadGprImm64(pReNative, off, X86_GREG_xAX, uPfn);
7626
7627	/* call rax */
7628	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
7629	pbCodeBuf[off++] = 0xff;
7630	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, X86_GREG_xAX);
7631
7632	#elif defined(RT_ARCH_ARM64)
7633	off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, uPfn);
7634
7635	uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
7636	pu32CodeBuf[off++] = Armv8A64MkInstrBlr(IEMNATIVE_REG_FIXED_TMP0);
7637
7638	#else
7639	# error "port me"
7640	#endif
7641	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7642	return off;
7643	}
7644
7645
7646	/**
7647	* Emits code to load a stack variable into an argument GPR.
7648	* @throws VERR_IEM_VAR_NOT_INITIALIZED, VERR_IEM_VAR_UNEXPECTED_KIND
7649	*/
7650	DECL_FORCE_INLINE_THROW(uint32_t)
7651	iemNativeEmitLoadArgGregFromStackVar(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
7652	int32_t offAddend = 0, uint32_t fHstVolatileRegsAllowed = UINT32_MAX,
7653	bool fSpilledVarsInVolatileRegs = false)
7654	{
7655	IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
7656	PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
7657	AssertStmt(pVar->enmKind == kIemNativeVarKind_Stack, IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7658
7659	uint8_t const idxRegVar = pVar->idxReg;
7660	if ( idxRegVar < RT_ELEMENTS(pReNative->Core.aHstRegs)
7661	&& ( (RT_BIT_32(idxRegVar) & (~IEMNATIVE_CALL_VOLATILE_GREG_MASK \| fHstVolatileRegsAllowed))
7662	\|\| !fSpilledVarsInVolatileRegs ))
7663	{
7664	AssertStmt( !(RT_BIT_32(idxRegVar) & IEMNATIVE_CALL_VOLATILE_GREG_MASK)
7665	\|\| (RT_BIT_32(idxRegVar) & fHstVolatileRegsAllowed),
7666	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_REG_IPE_13));
7667	if (!offAddend)
7668	{
7669	if (idxRegArg != idxRegVar)
7670	off = iemNativeEmitLoadGprFromGpr(pReNative, off, idxRegArg, idxRegVar);
7671	}
7672	else
7673	off = iemNativeEmitLoadGprFromGprWithAddend(pReNative, off, idxRegArg, idxRegVar, offAddend);
7674	}
7675	else
7676	{
7677	uint8_t const idxStackSlot = pVar->idxStackSlot;
7678	AssertStmt(idxStackSlot != UINT8_MAX, IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_NOT_INITIALIZED));
7679	off = iemNativeEmitLoadGprByBp(pReNative, off, idxRegArg, iemNativeStackCalcBpDisp(idxStackSlot));
7680	if (offAddend)
7681	off = iemNativeEmitAddGprImm(pReNative, off, idxRegArg, offAddend);
7682	}
7683	return off;
7684	}
7685
7686
7687	/**
7688	* Emits code to load a stack or immediate variable value into an argument GPR,
7689	* optional with a addend.
7690	* @throws VERR_IEM_VAR_NOT_INITIALIZED, VERR_IEM_VAR_UNEXPECTED_KIND
7691	*/
7692	DECL_FORCE_INLINE_THROW(uint32_t)
7693	iemNativeEmitLoadArgGregFromImmOrStackVar(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
7694	int32_t offAddend = 0, uint32_t fHstVolatileRegsAllowed = 0,
7695	bool fSpilledVarsInVolatileRegs = false)
7696	{
7697	IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
7698	PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
7699	if (pVar->enmKind == kIemNativeVarKind_Immediate)
7700	off = iemNativeEmitLoadGprImm64(pReNative, off, idxRegArg, pVar->u.uValue + offAddend);
7701	else
7702	off = iemNativeEmitLoadArgGregFromStackVar(pReNative, off, idxRegArg, idxVar, offAddend,
7703	fHstVolatileRegsAllowed, fSpilledVarsInVolatileRegs);
7704	return off;
7705	}
7706
7707
7708	/**
7709	* Emits code to load the variable address into an argument GPR.
7710	*
7711	* This only works for uninitialized and stack variables.
7712	*/
7713	DECL_FORCE_INLINE_THROW(uint32_t)
7714	iemNativeEmitLoadArgGregWithVarAddr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
7715	bool fFlushShadows)
7716	{
7717	IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
7718	PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
7719	AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
7720	\|\| pVar->enmKind == kIemNativeVarKind_Stack,
7721	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7722	AssertStmt(!pVar->fSimdReg,
7723	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7724
7725	uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
7726	int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
7727
7728	uint8_t const idxRegVar = pVar->idxReg;
7729	if (idxRegVar < RT_ELEMENTS(pReNative->Core.aHstRegs))
7730	{
7731	off = iemNativeEmitStoreGprByBp(pReNative, off, offBpDisp, idxRegVar);
7732	iemNativeRegFreeVar(pReNative, idxRegVar, fFlushShadows);
7733	Assert(pVar->idxReg == UINT8_MAX);
7734	}
7735	Assert( pVar->idxStackSlot != UINT8_MAX
7736	&& pVar->idxReg == UINT8_MAX);
7737
7738	return iemNativeEmitLeaGprByBp(pReNative, off, idxRegArg, offBpDisp);
7739	}
7740
7741
7742	#ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
7743	/**
7744	* Emits code to load the variable address into an argument GPR.
7745	*
7746	* This is a special variant intended for SIMD variables only and only called
7747	* by the TLB miss path in the memory fetch/store code because there we pass
7748	* the value by reference and need both the register and stack depending on which
7749	* path is taken (TLB hit vs. miss).
7750	*/
7751	DECL_FORCE_INLINE_THROW(uint32_t)
7752	iemNativeEmitLoadArgGregWithSimdVarAddrForMemAccess(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
7753	bool fSyncRegWithStack = true)
7754	{
7755	IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
7756	PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
7757	AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
7758	\|\| pVar->enmKind == kIemNativeVarKind_Stack,
7759	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7760	AssertStmt(pVar->fSimdReg,
7761	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7762	Assert( pVar->idxStackSlot != UINT8_MAX
7763	&& pVar->idxReg != UINT8_MAX);
7764
7765	uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
7766	int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
7767
7768	uint8_t const idxRegVar = pVar->idxReg;
7769	Assert(idxRegVar < RT_ELEMENTS(pReNative->Core.aHstSimdRegs));
7770	Assert(pVar->cbVar == sizeof(RTUINT128U) \|\| pVar->cbVar == sizeof(RTUINT256U));
7771
7772	if (fSyncRegWithStack)
7773	{
7774	if (pVar->cbVar == sizeof(RTUINT128U))
7775	off = iemNativeEmitStoreVecRegByBpU128(pReNative, off, offBpDisp, idxRegVar);
7776	else
7777	off = iemNativeEmitStoreVecRegByBpU256(pReNative, off, offBpDisp, idxRegVar);
7778	}
7779
7780	return iemNativeEmitLeaGprByBp(pReNative, off, idxRegArg, offBpDisp);
7781	}
7782
7783
7784	/**
7785	* Emits code to sync the host SIMD register assigned to the given SIMD variable.
7786	*
7787	* This is a special helper and only called
7788	* by the TLB miss path in the memory fetch/store code because there we pass
7789	* the value by reference and need to sync the value on the stack with the assigned host register
7790	* after a TLB miss where the value ends up on the stack.
7791	*/
7792	DECL_FORCE_INLINE_THROW(uint32_t)
7793	iemNativeEmitSimdVarSyncStackToRegister(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxVar)
7794	{
7795	IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
7796	PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
7797	AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
7798	\|\| pVar->enmKind == kIemNativeVarKind_Stack,
7799	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7800	AssertStmt(pVar->fSimdReg,
7801	IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
7802	Assert( pVar->idxStackSlot != UINT8_MAX
7803	&& pVar->idxReg != UINT8_MAX);
7804
7805	uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
7806	int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
7807
7808	uint8_t const idxRegVar = pVar->idxReg;
7809	Assert(idxRegVar < RT_ELEMENTS(pReNative->Core.aHstSimdRegs));
7810	Assert(pVar->cbVar == sizeof(RTUINT128U) \|\| pVar->cbVar == sizeof(RTUINT256U));
7811
7812	if (pVar->cbVar == sizeof(RTUINT128U))
7813	off = iemNativeEmitLoadVecRegByBpU128(pReNative, off, idxRegVar, offBpDisp);
7814	else
7815	off = iemNativeEmitLoadVecRegByBpU256(pReNative, off, idxRegVar, offBpDisp);
7816
7817	return off;
7818	}
7819
7820
7821	/**
7822	* Emits a gprdst = ~gprsrc store.
7823	*/
7824	DECL_FORCE_INLINE_THROW(uint32_t)
7825	iemNativeEmitInvBitsGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool f64Bit = true)
7826	{
7827	#ifdef RT_ARCH_AMD64
7828	if (iGprDst != iGprSrc)
7829	{
7830	/* mov gprdst, gprsrc. */
7831	if (f64Bit)
7832	off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprSrc);
7833	else
7834	off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc); /* Bits 32:63 are cleared. */
7835	}
7836
7837	/* not gprdst */
7838	if (f64Bit \|\| iGprDst >= 8)
7839	pCodeBuf[off++] = (f64Bit ? X86_OP_REX_W : 0)
7840	\| (iGprDst >= 8 ? X86_OP_REX_B : 0);
7841	pCodeBuf[off++] = 0xf7;
7842	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
7843	#elif defined(RT_ARCH_ARM64)
7844	pCodeBuf[off++] = Armv8A64MkInstrOrn(iGprDst, ARMV8_A64_REG_XZR, iGprSrc, f64Bit);
7845	#else
7846	# error "port me"
7847	#endif
7848	return off;
7849	}
7850
7851
7852	/**
7853	* Emits a gprdst = ~gprsrc store.
7854	*/
7855	DECL_INLINE_THROW(uint32_t)
7856	iemNativeEmitInvBitsGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool f64Bit = true)
7857	{
7858	#ifdef RT_ARCH_AMD64
7859	off = iemNativeEmitInvBitsGprEx(iemNativeInstrBufEnsure(pReNative, off, 9), off, iGprDst, iGprSrc, f64Bit);
7860	#elif defined(RT_ARCH_ARM64)
7861	off = iemNativeEmitInvBitsGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, f64Bit);
7862	#else
7863	# error "port me"
7864	#endif
7865	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7866	return off;
7867	}
7868
7869
7870	/**
7871	* Emits a 128-bit vector register store to a VCpu value.
7872	*/
7873	DECL_FORCE_INLINE_THROW(uint32_t)
7874	iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
7875	{
7876	#ifdef RT_ARCH_AMD64
7877	/* movdqa mem128, reg128 / / ASSUMING an aligned location here. */
7878	pCodeBuf[off++] = 0x66;
7879	if (iVecReg >= 8)
7880	pCodeBuf[off++] = X86_OP_REX_R;
7881	pCodeBuf[off++] = 0x0f;
7882	pCodeBuf[off++] = 0x7f;
7883	off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
7884	#elif defined(RT_ARCH_ARM64)
7885	off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
7886
7887	#else
7888	# error "port me"
7889	#endif
7890	return off;
7891	}
7892
7893
7894	/**
7895	* Emits a 128-bit vector register load of a VCpu value.
7896	*/
7897	DECL_INLINE_THROW(uint32_t)
7898	iemNativeEmitSimdStoreVecRegToVCpuLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
7899	{
7900	#ifdef RT_ARCH_AMD64
7901	off = iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 9), off, iVecReg, offVCpu);
7902	#elif defined(RT_ARCH_ARM64)
7903	off = iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, offVCpu);
7904	#else
7905	# error "port me"
7906	#endif
7907	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7908	return off;
7909	}
7910
7911
7912	/**
7913	* Emits a high 128-bit vector register store to a VCpu value.
7914	*/
7915	DECL_FORCE_INLINE_THROW(uint32_t)
7916	iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
7917	{
7918	#ifdef RT_ARCH_AMD64
7919	/* vextracti128 mem128, reg128, 1 / / ASSUMES AVX2 support. */
7920	pCodeBuf[off++] = X86_OP_VEX3;
7921	if (iVecReg >= 8)
7922	pCodeBuf[off++] = 0x63;
7923	else
7924	pCodeBuf[off++] = 0xe3;
7925	pCodeBuf[off++] = 0x7d;
7926	pCodeBuf[off++] = 0x39;
7927	off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
7928	pCodeBuf[off++] = 0x01; /* Immediate */
7929	#elif defined(RT_ARCH_ARM64)
7930	off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
7931	#else
7932	# error "port me"
7933	#endif
7934	return off;
7935	}
7936
7937
7938	/**
7939	* Emits a high 128-bit vector register load of a VCpu value.
7940	*/
7941	DECL_INLINE_THROW(uint32_t)
7942	iemNativeEmitSimdStoreVecRegToVCpuHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
7943	{
7944	#ifdef RT_ARCH_AMD64
7945	off = iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, offVCpu);
7946	#elif defined(RT_ARCH_ARM64)
7947	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
7948	Assert(!(iVecReg & 0x1));
7949	off = iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg + 1, offVCpu);
7950	#else
7951	# error "port me"
7952	#endif
7953	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7954	return off;
7955	}
7956
7957
7958	/**
7959	* Emits a 128-bit vector register load of a VCpu value.
7960	*/
7961	DECL_FORCE_INLINE_THROW(uint32_t)
7962	iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
7963	{
7964	#ifdef RT_ARCH_AMD64
7965	/* movdqa reg128, mem128 / / ASSUMING an aligned location here. */
7966	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
7967	if (iVecReg >= 8)
7968	pCodeBuf[off++] = X86_OP_REX_R;
7969	pCodeBuf[off++] = 0x0f;
7970	pCodeBuf[off++] = 0x6f;
7971	off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
7972	#elif defined(RT_ARCH_ARM64)
7973	off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
7974
7975	#else
7976	# error "port me"
7977	#endif
7978	return off;
7979	}
7980
7981
7982	/**
7983	* Emits a 128-bit vector register load of a VCpu value.
7984	*/
7985	DECL_INLINE_THROW(uint32_t)
7986	iemNativeEmitSimdLoadVecRegFromVCpuLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
7987	{
7988	#ifdef RT_ARCH_AMD64
7989	off = iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 9), off, iVecReg, offVCpu);
7990	#elif defined(RT_ARCH_ARM64)
7991	off = iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, offVCpu);
7992	#else
7993	# error "port me"
7994	#endif
7995	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
7996	return off;
7997	}
7998
7999
8000	/**
8001	* Emits a 128-bit vector register load of a VCpu value.
8002	*/
8003	DECL_FORCE_INLINE_THROW(uint32_t)
8004	iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
8005	{
8006	#ifdef RT_ARCH_AMD64
8007	/* vinserti128 ymm, ymm, mem128, 1. / / ASSUMES AVX2 support */
8008	pCodeBuf[off++] = X86_OP_VEX3;
8009	if (iVecReg >= 8)
8010	pCodeBuf[off++] = 0x63;
8011	else
8012	pCodeBuf[off++] = 0xe3;
8013	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
8014	pCodeBuf[off++] = 0x38;
8015	off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
8016	pCodeBuf[off++] = 0x01; /* Immediate */
8017	#elif defined(RT_ARCH_ARM64)
8018	off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
8019	#else
8020	# error "port me"
8021	#endif
8022	return off;
8023	}
8024
8025
8026	/**
8027	* Emits a 128-bit vector register load of a VCpu value.
8028	*/
8029	DECL_INLINE_THROW(uint32_t)
8030	iemNativeEmitSimdLoadVecRegFromVCpuHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
8031	{
8032	#ifdef RT_ARCH_AMD64
8033	off = iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, offVCpu);
8034	#elif defined(RT_ARCH_ARM64)
8035	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8036	Assert(!(iVecReg & 0x1));
8037	off = iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg + 1, offVCpu);
8038	#else
8039	# error "port me"
8040	#endif
8041	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8042	return off;
8043	}
8044
8045
8046	/**
8047	* Emits a vecdst = vecsrc load.
8048	*/
8049	DECL_FORCE_INLINE(uint32_t)
8050	iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8051	{
8052	#ifdef RT_ARCH_AMD64
8053	/* movdqu vecdst, vecsrc */
8054	pCodeBuf[off++] = 0xf3;
8055
8056	if ((iVecRegDst \| iVecRegSrc) >= 8)
8057	pCodeBuf[off++] = iVecRegDst < 8 ? X86_OP_REX_B
8058	: iVecRegSrc >= 8 ? X86_OP_REX_R \| X86_OP_REX_B
8059	: X86_OP_REX_R;
8060	pCodeBuf[off++] = 0x0f;
8061	pCodeBuf[off++] = 0x6f;
8062	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
8063
8064	#elif defined(RT_ARCH_ARM64)
8065	/* mov dst, src; alias for: orr dst, src, src */
8066	pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst, iVecRegSrc, iVecRegSrc);
8067
8068	#else
8069	# error "port me"
8070	#endif
8071	return off;
8072	}
8073
8074
8075	/**
8076	* Emits a vecdst = vecsrc load, 128-bit.
8077	*/
8078	DECL_INLINE_THROW(uint32_t)
8079	iemNativeEmitSimdLoadVecRegFromVecRegU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8080	{
8081	#ifdef RT_ARCH_AMD64
8082	off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
8083	#elif defined(RT_ARCH_ARM64)
8084	off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc);
8085	#else
8086	# error "port me"
8087	#endif
8088	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8089	return off;
8090	}
8091
8092
8093	/**
8094	* Emits a vecdst[128:255] = vecsrc[128:255] load.
8095	*/
8096	DECL_FORCE_INLINE_THROW(uint32_t)
8097	iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8098	{
8099	#ifdef RT_ARCH_AMD64
8100	/* vperm2i128 dst, dst, src, 0x30. / / ASSUMES AVX2 support */
8101	pCodeBuf[off++] = X86_OP_VEX3;
8102	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
8103	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
8104	pCodeBuf[off++] = 0x46;
8105	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
8106	pCodeBuf[off++] = 0x30; /* Immediate, this will leave the low 128 bits of dst untouched and move the high 128 bits from src to dst. */
8107
8108	#elif defined(RT_ARCH_ARM64)
8109	RT_NOREF(pCodeBuf, iVecRegDst, iVecRegSrc);
8110
8111	/* Should never be called because we can just use iemNativeEmitSimdLoadVecRegFromVecRegU128(). */
8112	# ifdef IEM_WITH_THROW_CATCH
8113	AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
8114	# else
8115	AssertReleaseFailedStmt(off = UINT32_MAX);
8116	# endif
8117	#else
8118	# error "port me"
8119	#endif
8120	return off;
8121	}
8122
8123
8124	/**
8125	* Emits a vecdst[128:255] = vecsrc[128:255] load, high 128-bit.
8126	*/
8127	DECL_INLINE_THROW(uint32_t)
8128	iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8129	{
8130	#ifdef RT_ARCH_AMD64
8131	off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
8132	#elif defined(RT_ARCH_ARM64)
8133	Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
8134	off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iVecRegSrc + 1);
8135	#else
8136	# error "port me"
8137	#endif
8138	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8139	return off;
8140	}
8141
8142
8143	/**
8144	* Emits a vecdst[0:127] = vecsrc[128:255] load.
8145	*/
8146	DECL_FORCE_INLINE_THROW(uint32_t)
8147	iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8148	{
8149	#ifdef RT_ARCH_AMD64
8150	/* vextracti128 dst, src, 1. / / ASSUMES AVX2 support */
8151	pCodeBuf[off++] = X86_OP_VEX3;
8152	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegDst >= 8, false, iVecRegSrc >= 8);
8153	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
8154	pCodeBuf[off++] = 0x39;
8155	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iVecRegDst & 7);
8156	pCodeBuf[off++] = 0x1;
8157
8158	#elif defined(RT_ARCH_ARM64)
8159	RT_NOREF(pCodeBuf, iVecRegDst, iVecRegSrc);
8160
8161	/* Should never be called because we can just use iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(). */
8162	# ifdef IEM_WITH_THROW_CATCH
8163	AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
8164	# else
8165	AssertReleaseFailedStmt(off = UINT32_MAX);
8166	# endif
8167	#else
8168	# error "port me"
8169	#endif
8170	return off;
8171	}
8172
8173
8174	/**
8175	* Emits a vecdst[0:127] = vecsrc[128:255] load, high 128-bit.
8176	*/
8177	DECL_INLINE_THROW(uint32_t)
8178	iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8179	{
8180	#ifdef RT_ARCH_AMD64
8181	off = iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
8182	#elif defined(RT_ARCH_ARM64)
8183	Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
8184	off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc + 1);
8185	#else
8186	# error "port me"
8187	#endif
8188	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8189	return off;
8190	}
8191
8192
8193	/**
8194	* Emits a vecdst = vecsrc load, 256-bit.
8195	*/
8196	DECL_INLINE_THROW(uint32_t)
8197	iemNativeEmitSimdLoadVecRegFromVecRegU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8198	{
8199	#ifdef RT_ARCH_AMD64
8200	/* vmovdqa ymm, ymm */
8201	uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
8202	if (iVecRegDst >= 8 && iVecRegSrc >= 8)
8203	{
8204	pbCodeBuf[off++] = X86_OP_VEX3;
8205	pbCodeBuf[off++] = 0x41;
8206	pbCodeBuf[off++] = 0x7d;
8207	pbCodeBuf[off++] = 0x6f;
8208	pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
8209	}
8210	else
8211	{
8212	pbCodeBuf[off++] = X86_OP_VEX2;
8213	pbCodeBuf[off++] = (iVecRegSrc >= 8 \|\| iVecRegDst >= 8) ? 0x7d : 0xfd;
8214	pbCodeBuf[off++] = iVecRegSrc >= 8 ? 0x7f : 0x6f;
8215	pbCodeBuf[off++] = iVecRegSrc >= 8
8216	? X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iVecRegDst & 7)
8217	: X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
8218	}
8219	#elif defined(RT_ARCH_ARM64)
8220	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8221	Assert(!(iVecRegDst & 0x1)); Assert(!(iVecRegSrc & 0x1));
8222	off = iemNativeEmitSimdLoadVecRegFromVecRegU128(pReNative, off, iVecRegDst, iVecRegSrc );
8223	off = iemNativeEmitSimdLoadVecRegFromVecRegU128(pReNative, off, iVecRegDst + 1, iVecRegSrc + 1);
8224	#else
8225	# error "port me"
8226	#endif
8227	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8228	return off;
8229	}
8230
8231
8232	/**
8233	* Emits a vecdst = vecsrc load.
8234	*/
8235	DECL_FORCE_INLINE(uint32_t)
8236	iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8237	{
8238	#ifdef RT_ARCH_AMD64
8239	/* vinserti128 dst, dst, src, 1. / / ASSUMES AVX2 support */
8240	pCodeBuf[off++] = X86_OP_VEX3;
8241	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
8242	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
8243	pCodeBuf[off++] = 0x38;
8244	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
8245	pCodeBuf[off++] = 0x01; /* Immediate */
8246
8247	#elif defined(RT_ARCH_ARM64)
8248	Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
8249	/* mov dst, src; alias for: orr dst, src, src */
8250	pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst + 1, iVecRegSrc, iVecRegSrc);
8251
8252	#else
8253	# error "port me"
8254	#endif
8255	return off;
8256	}
8257
8258
8259	/**
8260	* Emits a vecdst[128:255] = vecsrc[0:127] load, 128-bit.
8261	*/
8262	DECL_INLINE_THROW(uint32_t)
8263	iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
8264	{
8265	#ifdef RT_ARCH_AMD64
8266	off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iVecRegSrc);
8267	#elif defined(RT_ARCH_ARM64)
8268	off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc);
8269	#else
8270	# error "port me"
8271	#endif
8272	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8273	return off;
8274	}
8275
8276
8277	/**
8278	* Emits a gprdst = vecsrc[x] load, 64-bit.
8279	*/
8280	DECL_FORCE_INLINE(uint32_t)
8281	iemNativeEmitSimdLoadGprFromVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iQWord)
8282	{
8283	#ifdef RT_ARCH_AMD64
8284	if (iQWord >= 2)
8285	{
8286	/** @todo Currently not used. */
8287	AssertReleaseFailed();
8288	}
8289	else
8290	{
8291	/* pextrq gpr, vecsrc, #iQWord (ASSUMES SSE4.1). */
8292	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8293	pCodeBuf[off++] = X86_OP_REX_W
8294	\| (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
8295	\| (iGprDst < 8 ? 0 : X86_OP_REX_B);
8296	pCodeBuf[off++] = 0x0f;
8297	pCodeBuf[off++] = 0x3a;
8298	pCodeBuf[off++] = 0x16;
8299	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
8300	pCodeBuf[off++] = iQWord;
8301	}
8302	#elif defined(RT_ARCH_ARM64)
8303	/* umov gprdst, vecsrc[iQWord] */
8304	pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iQWord, kArmv8InstrUmovInsSz_U64);
8305	#else
8306	# error "port me"
8307	#endif
8308	return off;
8309	}
8310
8311
8312	/**
8313	* Emits a gprdst = vecsrc[x] load, 64-bit.
8314	*/
8315	DECL_INLINE_THROW(uint32_t)
8316	iemNativeEmitSimdLoadGprFromVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iQWord)
8317	{
8318	Assert(iQWord <= 3);
8319
8320	#ifdef RT_ARCH_AMD64
8321	off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iVecRegSrc, iQWord);
8322	#elif defined(RT_ARCH_ARM64)
8323	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8324	Assert(!(iVecRegSrc & 0x1));
8325	/* Need to access the "high" 128-bit vector register. */
8326	if (iQWord >= 2)
8327	off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iQWord - 2);
8328	else
8329	off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iQWord);
8330	#else
8331	# error "port me"
8332	#endif
8333	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8334	return off;
8335	}
8336
8337
8338	/**
8339	* Emits a gprdst = vecsrc[x] load, 32-bit.
8340	*/
8341	DECL_FORCE_INLINE(uint32_t)
8342	iemNativeEmitSimdLoadGprFromVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iDWord)
8343	{
8344	#ifdef RT_ARCH_AMD64
8345	if (iDWord >= 4)
8346	{
8347	/** @todo Currently not used. */
8348	AssertReleaseFailed();
8349	}
8350	else
8351	{
8352	/* pextrd gpr, vecsrc, #iDWord (ASSUMES SSE4.1). */
8353	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8354	if (iGprDst >= 8 \|\| iVecRegSrc >= 8)
8355	pCodeBuf[off++] = (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
8356	\| (iGprDst < 8 ? 0 : X86_OP_REX_B);
8357	pCodeBuf[off++] = 0x0f;
8358	pCodeBuf[off++] = 0x3a;
8359	pCodeBuf[off++] = 0x16;
8360	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
8361	pCodeBuf[off++] = iDWord;
8362	}
8363	#elif defined(RT_ARCH_ARM64)
8364	/* umov gprdst, vecsrc[iDWord] */
8365	pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iDWord, kArmv8InstrUmovInsSz_U32, false /fDst64Bit/);
8366	#else
8367	# error "port me"
8368	#endif
8369	return off;
8370	}
8371
8372
8373	/**
8374	* Emits a gprdst = vecsrc[x] load, 32-bit.
8375	*/
8376	DECL_INLINE_THROW(uint32_t)
8377	iemNativeEmitSimdLoadGprFromVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iDWord)
8378	{
8379	Assert(iDWord <= 7);
8380
8381	#ifdef RT_ARCH_AMD64
8382	off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iVecRegSrc, iDWord);
8383	#elif defined(RT_ARCH_ARM64)
8384	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8385	Assert(!(iVecRegSrc & 0x1));
8386	/* Need to access the "high" 128-bit vector register. */
8387	if (iDWord >= 4)
8388	off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iDWord - 4);
8389	else
8390	off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iDWord);
8391	#else
8392	# error "port me"
8393	#endif
8394	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8395	return off;
8396	}
8397
8398
8399	/**
8400	* Emits a gprdst = vecsrc[x] load, 16-bit.
8401	*/
8402	DECL_FORCE_INLINE(uint32_t)
8403	iemNativeEmitSimdLoadGprFromVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iWord)
8404	{
8405	#ifdef RT_ARCH_AMD64
8406	if (iWord >= 8)
8407	{
8408	/** @todo Currently not used. */
8409	AssertReleaseFailed();
8410	}
8411	else
8412	{
8413	/* pextrw gpr, vecsrc, #iWord */
8414	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8415	if (iGprDst >= 8 \|\| iVecRegSrc >= 8)
8416	pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R)
8417	\| (iVecRegSrc < 8 ? 0 : X86_OP_REX_B);
8418	pCodeBuf[off++] = 0x0f;
8419	pCodeBuf[off++] = 0xc5;
8420	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iVecRegSrc & 7);
8421	pCodeBuf[off++] = iWord;
8422	}
8423	#elif defined(RT_ARCH_ARM64)
8424	/* umov gprdst, vecsrc[iWord] */
8425	pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iWord, kArmv8InstrUmovInsSz_U16, false /fDst64Bit/);
8426	#else
8427	# error "port me"
8428	#endif
8429	return off;
8430	}
8431
8432
8433	/**
8434	* Emits a gprdst = vecsrc[x] load, 16-bit.
8435	*/
8436	DECL_INLINE_THROW(uint32_t)
8437	iemNativeEmitSimdLoadGprFromVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iWord)
8438	{
8439	Assert(iWord <= 16);
8440
8441	#ifdef RT_ARCH_AMD64
8442	off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iGprDst, iVecRegSrc, iWord);
8443	#elif defined(RT_ARCH_ARM64)
8444	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8445	Assert(!(iVecRegSrc & 0x1));
8446	/* Need to access the "high" 128-bit vector register. */
8447	if (iWord >= 8)
8448	off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iWord - 8);
8449	else
8450	off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iWord);
8451	#else
8452	# error "port me"
8453	#endif
8454	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8455	return off;
8456	}
8457
8458
8459	/**
8460	* Emits a gprdst = vecsrc[x] load, 8-bit.
8461	*/
8462	DECL_FORCE_INLINE(uint32_t)
8463	iemNativeEmitSimdLoadGprFromVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iByte)
8464	{
8465	#ifdef RT_ARCH_AMD64
8466	if (iByte >= 16)
8467	{
8468	/** @todo Currently not used. */
8469	AssertReleaseFailed();
8470	}
8471	else
8472	{
8473	/* pextrb gpr, vecsrc, #iByte */
8474	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8475	if (iGprDst >= 8 \|\| iVecRegSrc >= 8)
8476	pCodeBuf[off++] = (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
8477	\| (iGprDst < 8 ? 0 : X86_OP_REX_B);
8478	pCodeBuf[off++] = 0x0f;
8479	pCodeBuf[off++] = 0x3a;
8480	pCodeBuf[off++] = 0x14;
8481	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
8482	pCodeBuf[off++] = iByte;
8483	}
8484	#elif defined(RT_ARCH_ARM64)
8485	/* umov gprdst, vecsrc[iByte] */
8486	pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iByte, kArmv8InstrUmovInsSz_U8, false /fDst64Bit/);
8487	#else
8488	# error "port me"
8489	#endif
8490	return off;
8491	}
8492
8493
8494	/**
8495	* Emits a gprdst = vecsrc[x] load, 8-bit.
8496	*/
8497	DECL_INLINE_THROW(uint32_t)
8498	iemNativeEmitSimdLoadGprFromVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iByte)
8499	{
8500	Assert(iByte <= 32);
8501
8502	#ifdef RT_ARCH_AMD64
8503	off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iVecRegSrc, iByte);
8504	#elif defined(RT_ARCH_ARM64)
8505	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8506	Assert(!(iVecRegSrc & 0x1));
8507	/* Need to access the "high" 128-bit vector register. */
8508	if (iByte >= 16)
8509	off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iByte - 16);
8510	else
8511	off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iByte);
8512	#else
8513	# error "port me"
8514	#endif
8515	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8516	return off;
8517	}
8518
8519
8520	/**
8521	* Emits a vecdst[x] = gprsrc store, 64-bit.
8522	*/
8523	DECL_FORCE_INLINE(uint32_t)
8524	iemNativeEmitSimdStoreGprToVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iQWord)
8525	{
8526	#ifdef RT_ARCH_AMD64
8527	/* pinsrq vecsrc, gpr, #iQWord (ASSUMES SSE4.1). */
8528	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8529	pCodeBuf[off++] = X86_OP_REX_W
8530	\| (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
8531	\| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
8532	pCodeBuf[off++] = 0x0f;
8533	pCodeBuf[off++] = 0x3a;
8534	pCodeBuf[off++] = 0x22;
8535	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
8536	pCodeBuf[off++] = iQWord;
8537	#elif defined(RT_ARCH_ARM64)
8538	/* ins vecsrc[iQWord], gpr */
8539	pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iQWord, kArmv8InstrUmovInsSz_U64);
8540	#else
8541	# error "port me"
8542	#endif
8543	return off;
8544	}
8545
8546
8547	/**
8548	* Emits a vecdst[x] = gprsrc store, 64-bit.
8549	*/
8550	DECL_INLINE_THROW(uint32_t)
8551	iemNativeEmitSimdStoreGprToVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iQWord)
8552	{
8553	Assert(iQWord <= 1);
8554
8555	#ifdef RT_ARCH_AMD64
8556	off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecRegDst, iGprSrc, iQWord);
8557	#elif defined(RT_ARCH_ARM64)
8558	off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iQWord);
8559	#else
8560	# error "port me"
8561	#endif
8562	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8563	return off;
8564	}
8565
8566
8567	/**
8568	* Emits a vecdst[x] = gprsrc store, 32-bit.
8569	*/
8570	DECL_FORCE_INLINE(uint32_t)
8571	iemNativeEmitSimdStoreGprToVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iDWord)
8572	{
8573	#ifdef RT_ARCH_AMD64
8574	/* pinsrd vecsrc, gpr, #iDWord (ASSUMES SSE4.1). */
8575	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8576	if (iVecRegDst >= 8 \|\| iGprSrc >= 8)
8577	pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
8578	\| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
8579	pCodeBuf[off++] = 0x0f;
8580	pCodeBuf[off++] = 0x3a;
8581	pCodeBuf[off++] = 0x22;
8582	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
8583	pCodeBuf[off++] = iDWord;
8584	#elif defined(RT_ARCH_ARM64)
8585	/* ins vecsrc[iDWord], gpr */
8586	pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iDWord, kArmv8InstrUmovInsSz_U32);
8587	#else
8588	# error "port me"
8589	#endif
8590	return off;
8591	}
8592
8593
8594	/**
8595	* Emits a vecdst[x] = gprsrc store, 64-bit.
8596	*/
8597	DECL_INLINE_THROW(uint32_t)
8598	iemNativeEmitSimdStoreGprToVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iDWord)
8599	{
8600	Assert(iDWord <= 3);
8601
8602	#ifdef RT_ARCH_AMD64
8603	off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecRegDst, iGprSrc, iDWord);
8604	#elif defined(RT_ARCH_ARM64)
8605	off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iDWord);
8606	#else
8607	# error "port me"
8608	#endif
8609	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8610	return off;
8611	}
8612
8613
8614	/**
8615	* Emits a vecdst.au32[iDWord] = 0 store.
8616	*/
8617	DECL_FORCE_INLINE(uint32_t)
8618	iemNativeEmitSimdZeroVecRegElemU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint8_t iDWord)
8619	{
8620	Assert(iDWord <= 7);
8621
8622	#ifdef RT_ARCH_AMD64
8623	/*
8624	* xor tmp0, tmp0
8625	* pinsrd xmm, tmp0, iDword
8626	*/
8627	if (IEMNATIVE_REG_FIXED_TMP0 >= 8)
8628	pCodeBuf[off++] = X86_OP_REX_R \| X86_OP_REX_B;
8629	pCodeBuf[off++] = 0x33;
8630	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_REG_FIXED_TMP0 & 7, IEMNATIVE_REG_FIXED_TMP0 & 7);
8631	off = iemNativeEmitSimdStoreGprToVecRegU32Ex(&pCodeBuf[off], off, iVecReg, IEMNATIVE_REG_FIXED_TMP0, iDWord);
8632	#elif defined(RT_ARCH_ARM64)
8633	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8634	Assert(!(iVecReg & 0x1));
8635	/* ins vecsrc[iDWord], wzr */
8636	if (iDWord >= 4)
8637	pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecReg + 1, ARMV8_A64_REG_WZR, iDWord - 4, kArmv8InstrUmovInsSz_U32);
8638	else
8639	pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecReg, ARMV8_A64_REG_WZR, iDWord, kArmv8InstrUmovInsSz_U32);
8640	#else
8641	# error "port me"
8642	#endif
8643	return off;
8644	}
8645
8646
8647	/**
8648	* Emits a vecdst.au32[iDWord] = 0 store.
8649	*/
8650	DECL_INLINE_THROW(uint32_t)
8651	iemNativeEmitSimdZeroVecRegElemU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint8_t iDWord)
8652	{
8653
8654	#ifdef RT_ARCH_AMD64
8655	off = iemNativeEmitSimdZeroVecRegElemU32Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, iDWord);
8656	#elif defined(RT_ARCH_ARM64)
8657	off = iemNativeEmitSimdZeroVecRegElemU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, iDWord);
8658	#else
8659	# error "port me"
8660	#endif
8661	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8662	return off;
8663	}
8664
8665
8666	/**
8667	* Emits a vecdst[0:127] = 0 store.
8668	*/
8669	DECL_FORCE_INLINE(uint32_t)
8670	iemNativeEmitSimdZeroVecRegLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
8671	{
8672	#ifdef RT_ARCH_AMD64
8673	/* pxor xmm, xmm */
8674	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8675	if (iVecReg >= 8)
8676	pCodeBuf[off++] = X86_OP_REX_B \| X86_OP_REX_R;
8677	pCodeBuf[off++] = 0x0f;
8678	pCodeBuf[off++] = 0xef;
8679	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
8680	#elif defined(RT_ARCH_ARM64)
8681	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8682	Assert(!(iVecReg & 0x1));
8683	/* eor vecreg, vecreg, vecreg */
8684	pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg, iVecReg, iVecReg);
8685	#else
8686	# error "port me"
8687	#endif
8688	return off;
8689	}
8690
8691
8692	/**
8693	* Emits a vecdst[0:127] = 0 store.
8694	*/
8695	DECL_INLINE_THROW(uint32_t)
8696	iemNativeEmitSimdZeroVecRegLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
8697	{
8698	#ifdef RT_ARCH_AMD64
8699	off = iemNativeEmitSimdZeroVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecReg);
8700	#elif defined(RT_ARCH_ARM64)
8701	off = iemNativeEmitSimdZeroVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg);
8702	#else
8703	# error "port me"
8704	#endif
8705	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8706	return off;
8707	}
8708
8709
8710	/**
8711	* Emits a vecdst[128:255] = 0 store.
8712	*/
8713	DECL_FORCE_INLINE(uint32_t)
8714	iemNativeEmitSimdZeroVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
8715	{
8716	#ifdef RT_ARCH_AMD64
8717	/* vmovdqa xmm, xmm. This will clear the upper half of ymm */
8718	if (iVecReg < 8)
8719	{
8720	pCodeBuf[off++] = X86_OP_VEX2;
8721	pCodeBuf[off++] = 0xf9;
8722	}
8723	else
8724	{
8725	pCodeBuf[off++] = X86_OP_VEX3;
8726	pCodeBuf[off++] = 0x41;
8727	pCodeBuf[off++] = 0x79;
8728	}
8729	pCodeBuf[off++] = 0x6f;
8730	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
8731	#elif defined(RT_ARCH_ARM64)
8732	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8733	Assert(!(iVecReg & 0x1));
8734	/* eor vecreg, vecreg, vecreg */
8735	pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg + 1, iVecReg + 1, iVecReg + 1);
8736	#else
8737	# error "port me"
8738	#endif
8739	return off;
8740	}
8741
8742
8743	/**
8744	* Emits a vecdst[128:255] = 0 store.
8745	*/
8746	DECL_INLINE_THROW(uint32_t)
8747	iemNativeEmitSimdZeroVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
8748	{
8749	#ifdef RT_ARCH_AMD64
8750	off = iemNativeEmitSimdZeroVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecReg);
8751	#elif defined(RT_ARCH_ARM64)
8752	off = iemNativeEmitSimdZeroVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg);
8753	#else
8754	# error "port me"
8755	#endif
8756	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8757	return off;
8758	}
8759
8760
8761	/**
8762	* Emits a vecdst[0:255] = 0 store.
8763	*/
8764	DECL_FORCE_INLINE(uint32_t)
8765	iemNativeEmitSimdZeroVecRegU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
8766	{
8767	#ifdef RT_ARCH_AMD64
8768	/* vpxor ymm, ymm, ymm */
8769	if (iVecReg < 8)
8770	{
8771	pCodeBuf[off++] = X86_OP_VEX2;
8772	pCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
8773	}
8774	else
8775	{
8776	pCodeBuf[off++] = X86_OP_VEX3;
8777	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X \| 0x01;
8778	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
8779	}
8780	pCodeBuf[off++] = 0xef;
8781	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
8782	#elif defined(RT_ARCH_ARM64)
8783	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8784	Assert(!(iVecReg & 0x1));
8785	/* eor vecreg, vecreg, vecreg */
8786	pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg, iVecReg, iVecReg);
8787	pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg + 1, iVecReg + 1, iVecReg + 1);
8788	#else
8789	# error "port me"
8790	#endif
8791	return off;
8792	}
8793
8794
8795	/**
8796	* Emits a vecdst[0:255] = 0 store.
8797	*/
8798	DECL_INLINE_THROW(uint32_t)
8799	iemNativeEmitSimdZeroVecRegU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
8800	{
8801	#ifdef RT_ARCH_AMD64
8802	off = iemNativeEmitSimdZeroVecRegU256Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecReg);
8803	#elif defined(RT_ARCH_ARM64)
8804	off = iemNativeEmitSimdZeroVecRegU256Ex(iemNativeInstrBufEnsure(pReNative, off, 2), off, iVecReg);
8805	#else
8806	# error "port me"
8807	#endif
8808	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8809	return off;
8810	}
8811
8812
8813	/**
8814	* Emits a vecdst = gprsrc broadcast, 8-bit.
8815	*/
8816	DECL_FORCE_INLINE(uint32_t)
8817	iemNativeEmitSimdBroadcastGprToVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
8818	{
8819	#ifdef RT_ARCH_AMD64
8820	/* pinsrb vecdst, gpr, #0 (ASSUMES SSE 4.1) */
8821	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8822	if (iVecRegDst >= 8 \|\| iGprSrc >= 8)
8823	pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
8824	\| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
8825	pCodeBuf[off++] = 0x0f;
8826	pCodeBuf[off++] = 0x3a;
8827	pCodeBuf[off++] = 0x20;
8828	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
8829	pCodeBuf[off++] = 0x00;
8830
8831	/* vpbroadcastb {y,x}mm, xmm (ASSUMES AVX2). */
8832	pCodeBuf[off++] = X86_OP_VEX3;
8833	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
8834	\| 0x02 /* opcode map. */
8835	\| ( iVecRegDst >= 8
8836	? 0
8837	: X86_OP_VEX3_BYTE1_B \| X86_OP_VEX3_BYTE1_R);
8838	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
8839	pCodeBuf[off++] = 0x78;
8840	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
8841	#elif defined(RT_ARCH_ARM64)
8842	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8843	Assert(!(iVecRegDst & 0x1) \|\| !f256Bit);
8844
8845	/* dup vecsrc, gpr */
8846	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U8);
8847	if (f256Bit)
8848	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U8);
8849	#else
8850	# error "port me"
8851	#endif
8852	return off;
8853	}
8854
8855
8856	/**
8857	* Emits a vecdst[x] = gprsrc broadcast, 8-bit.
8858	*/
8859	DECL_INLINE_THROW(uint32_t)
8860	iemNativeEmitSimdBroadcastGprToVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
8861	{
8862	#ifdef RT_ARCH_AMD64
8863	off = iemNativeEmitSimdBroadcastGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
8864	#elif defined(RT_ARCH_ARM64)
8865	off = iemNativeEmitSimdBroadcastGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
8866	#else
8867	# error "port me"
8868	#endif
8869	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8870	return off;
8871	}
8872
8873
8874	/**
8875	* Emits a vecdst = gprsrc broadcast, 16-bit.
8876	*/
8877	DECL_FORCE_INLINE(uint32_t)
8878	iemNativeEmitSimdBroadcastGprToVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
8879	{
8880	#ifdef RT_ARCH_AMD64
8881	/* pinsrw vecdst, gpr, #0 */
8882	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8883	if (iVecRegDst >= 8 \|\| iGprSrc >= 8)
8884	pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
8885	\| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
8886	pCodeBuf[off++] = 0x0f;
8887	pCodeBuf[off++] = 0xc4;
8888	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
8889	pCodeBuf[off++] = 0x00;
8890
8891	/* vpbroadcastd {y,x}mm, xmm (ASSUMES AVX2). */
8892	pCodeBuf[off++] = X86_OP_VEX3;
8893	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
8894	\| 0x02 /* opcode map. */
8895	\| ( iVecRegDst >= 8
8896	? 0
8897	: X86_OP_VEX3_BYTE1_B \| X86_OP_VEX3_BYTE1_R);
8898	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
8899	pCodeBuf[off++] = 0x79;
8900	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
8901	#elif defined(RT_ARCH_ARM64)
8902	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8903	Assert(!(iVecRegDst & 0x1) \|\| !f256Bit);
8904
8905	/* dup vecsrc, gpr */
8906	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U16);
8907	if (f256Bit)
8908	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U16);
8909	#else
8910	# error "port me"
8911	#endif
8912	return off;
8913	}
8914
8915
8916	/**
8917	* Emits a vecdst[x] = gprsrc broadcast, 16-bit.
8918	*/
8919	DECL_INLINE_THROW(uint32_t)
8920	iemNativeEmitSimdBroadcastGprToVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
8921	{
8922	#ifdef RT_ARCH_AMD64
8923	off = iemNativeEmitSimdBroadcastGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
8924	#elif defined(RT_ARCH_ARM64)
8925	off = iemNativeEmitSimdBroadcastGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
8926	#else
8927	# error "port me"
8928	#endif
8929	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8930	return off;
8931	}
8932
8933
8934	/**
8935	* Emits a vecdst = gprsrc broadcast, 32-bit.
8936	*/
8937	DECL_FORCE_INLINE(uint32_t)
8938	iemNativeEmitSimdBroadcastGprToVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
8939	{
8940	#ifdef RT_ARCH_AMD64
8941	/** @todo If anyone has a better idea on how to do this more efficiently I'm all ears,
8942	* vbroadcast needs a memory operand or another xmm register to work... */
8943
8944	/* pinsrd vecdst, gpr, #0 (ASSUMES SSE4.1). */
8945	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
8946	if (iVecRegDst >= 8 \|\| iGprSrc >= 8)
8947	pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
8948	\| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
8949	pCodeBuf[off++] = 0x0f;
8950	pCodeBuf[off++] = 0x3a;
8951	pCodeBuf[off++] = 0x22;
8952	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
8953	pCodeBuf[off++] = 0x00;
8954
8955	/* vpbroadcastd {y,x}mm, xmm (ASSUMES AVX2). */
8956	pCodeBuf[off++] = X86_OP_VEX3;
8957	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
8958	\| 0x02 /* opcode map. */
8959	\| ( iVecRegDst >= 8
8960	? 0
8961	: X86_OP_VEX3_BYTE1_B \| X86_OP_VEX3_BYTE1_R);
8962	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
8963	pCodeBuf[off++] = 0x58;
8964	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
8965	#elif defined(RT_ARCH_ARM64)
8966	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
8967	Assert(!(iVecRegDst & 0x1) \|\| !f256Bit);
8968
8969	/* dup vecsrc, gpr */
8970	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U32);
8971	if (f256Bit)
8972	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U32);
8973	#else
8974	# error "port me"
8975	#endif
8976	return off;
8977	}
8978
8979
8980	/**
8981	* Emits a vecdst[x] = gprsrc broadcast, 32-bit.
8982	*/
8983	DECL_INLINE_THROW(uint32_t)
8984	iemNativeEmitSimdBroadcastGprToVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
8985	{
8986	#ifdef RT_ARCH_AMD64
8987	off = iemNativeEmitSimdBroadcastGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
8988	#elif defined(RT_ARCH_ARM64)
8989	off = iemNativeEmitSimdBroadcastGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
8990	#else
8991	# error "port me"
8992	#endif
8993	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
8994	return off;
8995	}
8996
8997
8998	/**
8999	* Emits a vecdst = gprsrc broadcast, 64-bit.
9000	*/
9001	DECL_FORCE_INLINE(uint32_t)
9002	iemNativeEmitSimdBroadcastGprToVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
9003	{
9004	#ifdef RT_ARCH_AMD64
9005	/** @todo If anyone has a better idea on how to do this more efficiently I'm all ears,
9006	* vbroadcast needs a memory operand or another xmm register to work... */
9007
9008	/* pinsrq vecdst, gpr, #0 (ASSUMES SSE4.1). */
9009	pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
9010	pCodeBuf[off++] = X86_OP_REX_W
9011	\| (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
9012	\| (iGprSrc < 8 ? 0 : X86_OP_REX_B);
9013	pCodeBuf[off++] = 0x0f;
9014	pCodeBuf[off++] = 0x3a;
9015	pCodeBuf[off++] = 0x22;
9016	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
9017	pCodeBuf[off++] = 0x00;
9018
9019	/* vpbroadcastq {y,x}mm, xmm (ASSUMES AVX2). */
9020	pCodeBuf[off++] = X86_OP_VEX3;
9021	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
9022	\| 0x02 /* opcode map. */
9023	\| ( iVecRegDst >= 8
9024	? 0
9025	: X86_OP_VEX3_BYTE1_B \| X86_OP_VEX3_BYTE1_R);
9026	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
9027	pCodeBuf[off++] = 0x59;
9028	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
9029	#elif defined(RT_ARCH_ARM64)
9030	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
9031	Assert(!(iVecRegDst & 0x1) \|\| !f256Bit);
9032
9033	/* dup vecsrc, gpr */
9034	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U64);
9035	if (f256Bit)
9036	pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U64);
9037	#else
9038	# error "port me"
9039	#endif
9040	return off;
9041	}
9042
9043
9044	/**
9045	* Emits a vecdst[x] = gprsrc broadcast, 64-bit.
9046	*/
9047	DECL_INLINE_THROW(uint32_t)
9048	iemNativeEmitSimdBroadcastGprToVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
9049	{
9050	#ifdef RT_ARCH_AMD64
9051	off = iemNativeEmitSimdBroadcastGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 14), off, iVecRegDst, iGprSrc, f256Bit);
9052	#elif defined(RT_ARCH_ARM64)
9053	off = iemNativeEmitSimdBroadcastGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
9054	#else
9055	# error "port me"
9056	#endif
9057	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
9058	return off;
9059	}
9060
9061
9062	/**
9063	* Emits a vecdst[0:127] = vecdst[128:255] = vecsrc[0:127] broadcast, 128-bit.
9064	*/
9065	DECL_FORCE_INLINE(uint32_t)
9066	iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
9067	{
9068	#ifdef RT_ARCH_AMD64
9069	off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(pCodeBuf, off, iVecRegDst, iVecRegSrc);
9070
9071	/* vinserti128 ymm, ymm, xmm, 1. / / ASSUMES AVX2 support */
9072	pCodeBuf[off++] = X86_OP_VEX3;
9073	pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
9074	pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
9075	pCodeBuf[off++] = 0x38;
9076	pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
9077	pCodeBuf[off++] = 0x01; /* Immediate */
9078	#elif defined(RT_ARCH_ARM64)
9079	/* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
9080	Assert(!(iVecRegDst & 0x1));
9081
9082	/* mov dst, src; alias for: orr dst, src, src */
9083	pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst, iVecRegSrc, iVecRegSrc);
9084	pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst + 1, iVecRegSrc, iVecRegSrc);
9085	#else
9086	# error "port me"
9087	#endif
9088	return off;
9089	}
9090
9091
9092	/**
9093	* Emits a vecdst[0:127] = vecdst[128:255] = vecsrc[0:127] broadcast, 128-bit.
9094	*/
9095	DECL_INLINE_THROW(uint32_t)
9096	iemNativeEmitSimdBroadcastVecRegU128ToVecReg(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
9097	{
9098	#ifdef RT_ARCH_AMD64
9099	off = iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(iemNativeInstrBufEnsure(pReNative, off, 11), off, iVecRegDst, iVecRegSrc);
9100	#elif defined(RT_ARCH_ARM64)
9101	off = iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iVecRegDst, iVecRegSrc);
9102	#else
9103	# error "port me"
9104	#endif
9105	IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
9106	return off;
9107	}
9108
9109	#endif /* IEMNATIVE_WITH_SIMD_REG_ALLOCATOR */
9110
9111	/** @} */
9112
9113	#endif /* !VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h */
9114

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source: vbox/trunk/src/VBox/VMM/include/IEMN8veRecompilerEmit.h@ 104058

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