Changeset 96099 in vbox

Timestamp:

Aug 7, 2022 7:22:43 PM (3 years ago)

Author:

vboxsync

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

152898

Message:

VMM/IEM: Implement [v]pmuldq instructions, bugref:9898

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllAImpl.asm (modified) (2 diffs)
• VMMAll/IEMAllAImplC.cpp (modified) (1 diff)
• VMMAll/IEMAllInstructionsThree0f38.cpp.h (modified) (1 diff)
• VMMAll/IEMAllInstructionsVexMap2.cpp.h (modified) (1 diff)
• include/IEMInternal.h (modified) (3 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllAImpl.asm

@@ -3717 +3717 @@
 IEMIMPL_MEDIA_OPT_F2 pavgw,    1
 IEMIMPL_MEDIA_OPT_F2 psadbw,   1
+IEMIMPL_MEDIA_OPT_F2 pmuldq,   0
 
 
@@ -4209 +4210 @@
 IEMIMPL_MEDIA_OPT_F3 vpmulhrsw
 IEMIMPL_MEDIA_OPT_F3 vpsadbw
+IEMIMPL_MEDIA_OPT_F3 vpmuldq
 
 

trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp

@@ -13165 +13165 @@
 
 /*
+ * PMULDQ / VPMULDQ
+ */
+IEM_DECL_IMPL_DEF(void, iemAImpl_pmuldq_u128_fallback,(PRTUINT128U puDst, PCRTUINT128U puSrc))
+{
+    RTUINT128U uSrc1 = *puDst;
+
+    puDst->au64[0] = (int64_t)uSrc1.ai32[0] * puSrc->ai32[0];
+    puDst->au64[1] = (int64_t)uSrc1.ai32[2] * puSrc->ai32[2];
+}
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpmuldq_u128_fallback,(PRTUINT128U puDst, PCRTUINT128U puSrc1, PCRTUINT128U puSrc2))
+{
+    RTUINT128U uSrc1 = *puSrc1;
+    RTUINT128U uSrc2 = *puSrc2;
+
+    puDst->au64[0] = (int64_t)uSrc1.ai32[0] * uSrc2.ai32[0];
+    puDst->au64[1] = (int64_t)uSrc1.ai32[2] * uSrc2.ai32[2];
+}
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpmuldq_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2))
+{
+    RTUINT256U uSrc1 = *puSrc1;
+    RTUINT256U uSrc2 = *puSrc2;
+
+    puDst->au64[0] = (int64_t)uSrc1.ai32[0] * uSrc2.ai32[0];
+    puDst->au64[1] = (int64_t)uSrc1.ai32[2] * uSrc2.ai32[2];
+    puDst->au64[2] = (int64_t)uSrc1.ai32[4] * uSrc2.ai32[4];
+    puDst->au64[3] = (int64_t)uSrc1.ai32[6] * uSrc2.ai32[6];
+}
+
+
+/*
  * CRC32 (SEE 4.2).
  */

trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsThree0f38.cpp.h

@@ -669 +669 @@
 /*  Opcode 0x66 0x0f 0x38 0x26 - invalid */
 /*  Opcode 0x66 0x0f 0x38 0x27 - invalid */
+
+
 /** Opcode 0x66 0x0f 0x38 0x28. */
-FNIEMOP_STUB(iemOp_pmuldq_Vx_Wx);
+FNIEMOP_DEF(iemOp_pmuldq_Vx_Wx)
+{
+    IEMOP_MNEMONIC2(RM, PMULDQ, pmuldq, Vx, Wx, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZES);
+    return FNIEMOP_CALL_1(iemOpCommonSse41Opt_FullFull_To_Full,
+                          IEM_SELECT_HOST_OR_FALLBACK(fSse41, iemAImpl_pmuldq_u128, iemAImpl_pmuldq_u128_fallback));
+}
 
 

trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsVexMap2.cpp.h

@@ -366 +366 @@
 /*  Opcode VEX.66.0F38 0x26 - invalid */
 /*  Opcode VEX.66.0F38 0x27 - invalid */
+
+
 /** Opcode VEX.66.0F38 0x28. */
-FNIEMOP_STUB(iemOp_vpmuldq_Vx_Hx_Wx);
+FNIEMOP_DEF(iemOp_vpmuldq_Vx_Hx_Wx)
+{
+    IEMOP_MNEMONIC3(VEX_RVM, VPMULDQ, vpmuldq, Vx, Hx, Wx, DISOPTYPE_HARMLESS, 0);
+    IEMOPMEDIAOPTF3_INIT_VARS(vpmuldq);
+    return FNIEMOP_CALL_1(iemOpCommonAvxAvx2_Vx_Hx_Wx_Opt, IEM_SELECT_HOST_OR_FALLBACK(fAvx2, &s_Host, &s_Fallback));
+}
 
 

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

@@ -1856 +1856 @@
 FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_pavgb_u128, iemAImpl_pavgw_u128;
 FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_psadbw_u128;
+FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_pmuldq_u128, iemAImpl_pmuldq_u128_fallback;
 
 FNIEMAIMPLMEDIAF3U128    iemAImpl_vpshufb_u128,    iemAImpl_vpshufb_u128_fallback;
@@ -1912 +1913 @@
 FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmulhrsw_u128,  iemAImpl_vpmulhrsw_u128_fallback;
 FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpsadbw_u128,    iemAImpl_vpsadbw_u128_fallback;
+FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmuldq_u128,    iemAImpl_vpmuldq_u128_fallback;
 
 FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_vpabsb_u128,     iemAImpl_vpabsb_u128_fallback;
@@ -1972 +1974 @@
 FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmulhrsw_u256,  iemAImpl_vpmulhrsw_u256_fallback;
 FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpsadbw_u256,    iemAImpl_vpsadbw_u256_fallback;
+FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmuldq_u256,    iemAImpl_vpmuldq_u256_fallback;
 
 FNIEMAIMPLMEDIAOPTF2U256 iemAImpl_vpabsb_u256,     iemAImpl_vpabsb_u256_fallback;