Changeset 96022 in vbox

Timestamp:

Aug 4, 2022 9:12:54 AM (3 years ago)

Author:

vboxsync

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

152817

Message:

VMM/IEM: Implement missing vpmulhw instructions, bugref:9898

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllAImpl.asm (modified) (1 diff)
• VMMAll/IEMAllAImplC.cpp (modified) (1 diff)
• VMMAll/IEMAllInstructionsVexMap1.cpp.h (modified) (1 diff)
• include/IEMInternal.h (modified) (2 diffs)

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

@@ -4174 +4174 @@
 IEMIMPL_MEDIA_OPT_F3 vpmullw
 IEMIMPL_MEDIA_OPT_F3 vpmulld
+IEMIMPL_MEDIA_OPT_F3 vpmulhw
 
 

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

@@ -8812 +8812 @@
 #endif
 
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpmulhw_u128_fallback,(PRTUINT128U puDst, PCRTUINT128U puSrc1, PCRTUINT128U puSrc2))
+{
+    puDst->ai16[0] = RT_HIWORD(puSrc1->ai16[0] * puSrc2->ai16[0]);
+    puDst->ai16[1] = RT_HIWORD(puSrc1->ai16[1] * puSrc2->ai16[1]);
+    puDst->ai16[2] = RT_HIWORD(puSrc1->ai16[2] * puSrc2->ai16[2]);
+    puDst->ai16[3] = RT_HIWORD(puSrc1->ai16[3] * puSrc2->ai16[3]);
+    puDst->ai16[4] = RT_HIWORD(puSrc1->ai16[4] * puSrc2->ai16[4]);
+    puDst->ai16[5] = RT_HIWORD(puSrc1->ai16[5] * puSrc2->ai16[5]);
+    puDst->ai16[6] = RT_HIWORD(puSrc1->ai16[6] * puSrc2->ai16[6]);
+    puDst->ai16[7] = RT_HIWORD(puSrc1->ai16[7] * puSrc2->ai16[7]);
+}
+
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpmulhw_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2))
+{
+    puDst->ai16[ 0] = RT_HIWORD(puSrc1->ai16[ 0] * puSrc2->ai16[ 0]);
+    puDst->ai16[ 1] = RT_HIWORD(puSrc1->ai16[ 1] * puSrc2->ai16[ 1]);
+    puDst->ai16[ 2] = RT_HIWORD(puSrc1->ai16[ 2] * puSrc2->ai16[ 2]);
+    puDst->ai16[ 3] = RT_HIWORD(puSrc1->ai16[ 3] * puSrc2->ai16[ 3]);
+    puDst->ai16[ 4] = RT_HIWORD(puSrc1->ai16[ 4] * puSrc2->ai16[ 4]);
+    puDst->ai16[ 5] = RT_HIWORD(puSrc1->ai16[ 5] * puSrc2->ai16[ 5]);
+    puDst->ai16[ 6] = RT_HIWORD(puSrc1->ai16[ 6] * puSrc2->ai16[ 6]);
+    puDst->ai16[ 7] = RT_HIWORD(puSrc1->ai16[ 7] * puSrc2->ai16[ 7]);
+    puDst->ai16[ 8] = RT_HIWORD(puSrc1->ai16[ 8] * puSrc2->ai16[ 8]);
+    puDst->ai16[ 9] = RT_HIWORD(puSrc1->ai16[ 9] * puSrc2->ai16[ 9]);
+    puDst->ai16[10] = RT_HIWORD(puSrc1->ai16[10] * puSrc2->ai16[10]);
+    puDst->ai16[11] = RT_HIWORD(puSrc1->ai16[11] * puSrc2->ai16[11]);
+    puDst->ai16[12] = RT_HIWORD(puSrc1->ai16[12] * puSrc2->ai16[12]);
+    puDst->ai16[13] = RT_HIWORD(puSrc1->ai16[13] * puSrc2->ai16[13]);
+    puDst->ai16[14] = RT_HIWORD(puSrc1->ai16[14] * puSrc2->ai16[14]);
+    puDst->ai16[15] = RT_HIWORD(puSrc1->ai16[15] * puSrc2->ai16[15]);
+}
+
 
 /*

trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsVexMap1.cpp.h

@@ -4140 +4140 @@
 
 /*  Opcode VEX.0F 0xe5 - invalid */
+
+
 /** Opcode VEX.66.0F 0xe5 - vpmulhw Vx, Hx, Wx */
-FNIEMOP_STUB(iemOp_vpmulhw_Vx_Hx_Wx);
+FNIEMOP_DEF(iemOp_vpmulhw_Vx_Hx_Wx)
+{
+    IEMOP_MNEMONIC3(VEX_RVM, VPMULHW, vpmulhw, Vx, Hx, Wx, DISOPTYPE_HARMLESS | DISOPTYPE_AVX, 0);
+    IEMOPMEDIAOPTF3_INIT_VARS(vpmulhw);
+    return FNIEMOP_CALL_1(iemOpCommonAvxAvx2_Vx_Hx_Wx_Opt, IEM_SELECT_HOST_OR_FALLBACK(fAvx2, &s_Host, &s_Fallback));
+}
+
+
 /*  Opcode VEX.F3.0F 0xe5 - invalid */
 /*  Opcode VEX.F2.0F 0xe5 - invalid */

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

@@ -1860 +1860 @@
 FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmullw_u128,    iemAImpl_vpmullw_u128_fallback;
 FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmulld_u128,    iemAImpl_vpmulld_u128_fallback;
+FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmulhw_u128,    iemAImpl_vpmulhw_u128_fallback;
 
 FNIEMAIMPLMEDIAF3U256    iemAImpl_vpshufb_u256,    iemAImpl_vpshufb_u256_fallback;
@@ -1900 +1901 @@
 FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmullw_u256,    iemAImpl_vpmullw_u256_fallback;
 FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmulld_u256,    iemAImpl_vpmulld_u256_fallback;
+FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmulhw_u256,    iemAImpl_vpmulhw_u256_fallback;
 /** @} */