Changeset 103700 in vbox

Timestamp:

Mar 6, 2024 1:32:01 PM (7 months ago)

Author:

vboxsync

Message:

VMM/IEM: Implement vpblendd instruction dispatch & emulation, bugref:9898

Location:

trunk/src/VBox/VMM

Files:

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

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

@@ -5501 +5501 @@
 IEMIMPL_MEDIA_AVX_INSN_IMM8_6 vblendpd,   1, 1
 IEMIMPL_MEDIA_AVX_INSN_IMM8_6 vpblendw,   1, 1
+IEMIMPL_MEDIA_AVX_INSN_IMM8_6 vpblendd,   1, 1
 IEMIMPL_MEDIA_AVX_INSN_IMM8_6 vpalignr,   1, 1
 IEMIMPL_MEDIA_AVX_INSN_IMM8_6 vpclmulqdq, 1, 0

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

@@ -17451 +17451 @@
 
 /**
+ * [V]PBLENDD
+ */
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpblendd_u128_fallback,(PRTUINT128U puDst, PCRTUINT128U puSrc1, PCRTUINT128U puSrc2, uint8_t bEvil))
+{
+    for (uint8_t i = 0; i < RT_ELEMENTS(puDst->au32); i++)
+        if (bEvil & RT_BIT(i))
+            puDst->au32[i] = puSrc2->au32[i];
+        else
+            puDst->au32[i] = puSrc1->au32[i];
+}
+
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpblendd_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2, uint8_t bEvil))
+{
+    for (uint8_t i = 0; i < RT_ELEMENTS(puDst->au32); i++)
+        if (bEvil & RT_BIT(i))
+            puDst->au32[i] = puSrc2->au32[i];
+        else
+            puDst->au32[i] = puSrc1->au32[i];
+}
+
+
+/**
  * [V]BLENDPS
  */

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

@@ -380 +380 @@
 /** Opcode VEX.66.0F3A 0x01. */
 FNIEMOP_STUB(iemOp_vpermqd_Vqq_Wqq_Ib);
-/** Opcode VEX.66.0F3A 0x02. */
-FNIEMOP_STUB(iemOp_vpblendd_Vx_Wx_Ib);
+
+
+/** Opcode VEX.66.0F3A 0x02.
+ * AVX2,AVX2  */
+FNIEMOP_DEF(iemOp_vpblendd_Vx_Hx_Wx_Ib)
+{
+    IEMOP_MNEMONIC3(VEX_RVM, VPBLENDD, vpblendd, Vx, Hx, Wx, DISOPTYPE_HARMLESS, 0); /* @todo */
+    IEMOPMEDIAOPTF3IMM8_INIT_VARS(vpblendd);
+    return FNIEMOP_CALL_1(iemOpCommonAvxAvx2_Vx_Hx_Wx_Ib_Opt, IEM_SELECT_HOST_OR_FALLBACK(fAvx2, &s_Host, &s_Fallback));
+}
+
+
 /*  Opcode VEX.66.0F3A 0x03 - invalid */
 
@@ -1336 +1346 @@
     /* 0x00 */  iemOp_InvalidNeedRMImm8,    iemOp_vpermq_Vqq_Wqq_Ib,    iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
     /* 0x01 */  iemOp_InvalidNeedRMImm8,    iemOp_vpermqd_Vqq_Wqq_Ib,   iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
-    /* 0x02 */  iemOp_InvalidNeedRMImm8,    iemOp_vpblendd_Vx_Wx_Ib,    iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
+    /* 0x02 */  iemOp_InvalidNeedRMImm8,    iemOp_vpblendd_Vx_Hx_Wx_Ib, iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,
     /* 0x03 */  IEMOP_X4(iemOp_InvalidNeedRMImm8),
     /* 0x04 */  iemOp_InvalidNeedRMImm8,    iemOp_vpermilps_Vx_Wx_Ib,   iemOp_InvalidNeedRMImm8,    iemOp_InvalidNeedRMImm8,

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

@@ -3584 +3584 @@
 FNIEMAIMPLMEDIAOPTF3U128IMM8 iemAImpl_vpalignr_u128, iemAImpl_vpalignr_u128_fallback;
 FNIEMAIMPLMEDIAOPTF3U128IMM8 iemAImpl_vpblendw_u128, iemAImpl_vpblendw_u128_fallback;
+FNIEMAIMPLMEDIAOPTF3U128IMM8 iemAImpl_vpblendd_u128, iemAImpl_vpblendd_u128_fallback;
 FNIEMAIMPLMEDIAOPTF3U128IMM8 iemAImpl_vblendps_u128, iemAImpl_vblendps_u128_fallback;
 FNIEMAIMPLMEDIAOPTF3U128IMM8 iemAImpl_vblendpd_u128, iemAImpl_vblendpd_u128_fallback;
@@ -3589 +3590 @@
 FNIEMAIMPLMEDIAOPTF3U256IMM8 iemAImpl_vpalignr_u256, iemAImpl_vpalignr_u256_fallback;
 FNIEMAIMPLMEDIAOPTF3U256IMM8 iemAImpl_vpblendw_u256, iemAImpl_vpblendw_u256_fallback;
+FNIEMAIMPLMEDIAOPTF3U256IMM8 iemAImpl_vpblendd_u256, iemAImpl_vpblendd_u256_fallback;
 FNIEMAIMPLMEDIAOPTF3U256IMM8 iemAImpl_vblendps_u256, iemAImpl_vblendps_u256_fallback;
 FNIEMAIMPLMEDIAOPTF3U256IMM8 iemAImpl_vblendpd_u256, iemAImpl_vblendpd_u256_fallback;