Changeset 104059 in vbox for trunk

Timestamp:

Mar 26, 2024 1:43:01 PM (12 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

162452

Message:

VMM/IEM: Implement vextracti128/vextractf128 instruction emulation, bugref:9898

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllInstVexMap3.cpp.h (modified) (2 diffs)
• include/IEMInternal.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllInstVexMap3.cpp.h

@@ -780 +780 @@
 
 /** Opcode VEX.66.0F3A 0x19 (vex only). */
-FNIEMOP_STUB(iemOp_vextractf128_Wdq_Vqq_Ib);
+FNIEMOP_DEF(iemOp_vextractf128_Wdq_Vqq_Ib)
+{
+    IEMOP_MNEMONIC3(VEX_MRI, VEXTRACTF128, vextractf128, Wdq, Vqq, Ib, DISOPTYPE_HARMLESS, 0);
+    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
+    if (IEM_IS_MODRM_REG_MODE(bRm))
+    {
+        /*
+         * Register, register.
+         */
+        IEM_MC_BEGIN(IEM_MC_F_NOT_286_OR_OLDER, 0);
+        uint8_t bImm; IEM_OPCODE_GET_NEXT_U8(&bImm);
+        IEMOP_HLP_DONE_VEX_DECODING_L1_AND_NO_VVVV_EX(fAvx2);
+
+        IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT();
+        IEM_MC_PREPARE_AVX_USAGE();
+
+        IEM_MC_LOCAL(RTUINT128U, uDst);
+        IEM_MC_FETCH_YREG_U128(uDst,   IEM_GET_MODRM_REG(pVCpu, bRm), bImm & 1);
+        IEM_MC_STORE_XREG_U128(        IEM_GET_MODRM_RM(pVCpu, bRm), uDst);
+
+        IEM_MC_ADVANCE_RIP_AND_FINISH();
+        IEM_MC_END();
+    }
+    else
+    {
+        /*
+         * Register, memory.
+         */
+        IEM_MC_BEGIN(IEM_MC_F_NOT_286_OR_OLDER, 0);
+        IEM_MC_LOCAL(RTGCPTR,               GCPtrEffSrc);
+
+        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
+        uint8_t bImm; IEM_OPCODE_GET_NEXT_U8(&bImm);
+        IEMOP_HLP_DONE_VEX_DECODING_L1_AND_NO_VVVV_EX(fAvx2);
+        IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT();
+        IEM_MC_PREPARE_AVX_USAGE();
+
+        IEM_MC_LOCAL(RTUINT128U, uDst);
+        IEM_MC_FETCH_YREG_U128(uDst,   IEM_GET_MODRM_REG(pVCpu, bRm), bImm & 1);
+        IEM_MC_STORE_MEM_U128_NO_AC(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uDst);
+
+        IEM_MC_ADVANCE_RIP_AND_FINISH();
+        IEM_MC_END();
+    }
+}
+
+
 /*  Opcode VEX.66.0F3A 0x1a - invalid */
 /*  Opcode VEX.66.0F3A 0x1b - invalid */
@@ -872 +918 @@
 
 /** Opcode VEX.66.0F3A 0x39 (vex only). */
-FNIEMOP_STUB(iemOp_vextracti128_Wdq_Vqq_Ib);
+FNIEMOP_DEF(iemOp_vextracti128_Wdq_Vqq_Ib)
+{
+    IEMOP_MNEMONIC3(VEX_MRI, VEXTRACTI128, vextracti128, Wdq, Vqq, Ib, DISOPTYPE_HARMLESS, 0);
+    uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
+    if (IEM_IS_MODRM_REG_MODE(bRm))
+    {
+        /*
+         * Register, register.
+         */
+        IEM_MC_BEGIN(IEM_MC_F_NOT_286_OR_OLDER, 0);
+        uint8_t bImm; IEM_OPCODE_GET_NEXT_U8(&bImm);
+        IEMOP_HLP_DONE_VEX_DECODING_L1_AND_NO_VVVV_EX(fAvx2);
+
+        IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT();
+        IEM_MC_PREPARE_AVX_USAGE();
+
+        IEM_MC_LOCAL(RTUINT128U, uDst);
+        IEM_MC_FETCH_YREG_U128(uDst,   IEM_GET_MODRM_REG(pVCpu, bRm), bImm & 1);
+        IEM_MC_STORE_XREG_U128(        IEM_GET_MODRM_RM(pVCpu, bRm), uDst);
+
+        IEM_MC_ADVANCE_RIP_AND_FINISH();
+        IEM_MC_END();
+    }
+    else
+    {
+        /*
+         * Register, memory.
+         */
+        IEM_MC_BEGIN(IEM_MC_F_NOT_286_OR_OLDER, 0);
+        IEM_MC_LOCAL(RTGCPTR,               GCPtrEffSrc);
+
+        IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
+        uint8_t bImm; IEM_OPCODE_GET_NEXT_U8(&bImm);
+        IEMOP_HLP_DONE_VEX_DECODING_L1_AND_NO_VVVV_EX(fAvx2);
+        IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT();
+        IEM_MC_PREPARE_AVX_USAGE();
+
+        IEM_MC_LOCAL(RTUINT128U, uDst);
+        IEM_MC_FETCH_YREG_U128(uDst,   IEM_GET_MODRM_REG(pVCpu, bRm), bImm & 1);
+        IEM_MC_STORE_MEM_U128_NO_AC(pVCpu->iem.s.iEffSeg, GCPtrEffSrc, uDst);
+
+        IEM_MC_ADVANCE_RIP_AND_FINISH();
+        IEM_MC_END();
+    }
+}
+
+
 /*  Opcode VEX.66.0F3A 0x3a - invalid */
 /*  Opcode VEX.66.0F3A 0x3b - invalid */

trunk/src/VBox/VMM/include/IEMInternal.h

@@ -1999 +1999 @@
     /** Statistics per threaded function call.
      * Updated by both the threaded and native recompilers. */
-    uint32_t                acThreadedFuncStats[0x5000 /*20480*/];
+    uint32_t                acThreadedFuncStats[0x5100 /*20736*/];
 # endif
 #endif