Changeset 96094 in vbox

Timestamp:

Aug 7, 2022 6:46:04 PM (3 years ago)

Author:

vboxsync

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

152893

Message:

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

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllAImpl.asm (modified) (2 diffs)
• VMMAll/IEMAllAImplC.cpp (modified) (1 diff)
• VMMAll/IEMAllInstructionsTwoByte0f.cpp.h (modified) (1 diff)
• VMMAll/IEMAllInstructionsVexMap1.cpp.h (modified) (1 diff)
• include/IEMInternal.h (modified) (4 diffs)
• testcase/tstIEMCheckMc.cpp (modified) (2 diffs)

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

@@ -3716 +3716 @@
 IEMIMPL_MEDIA_OPT_F2 pavgb,    1
 IEMIMPL_MEDIA_OPT_F2 pavgw,    1
+IEMIMPL_MEDIA_OPT_F2 psadbw,   1
 
 
@@ -4207 +4208 @@
 IEMIMPL_MEDIA_OPT_F3 vpmaddubsw
 IEMIMPL_MEDIA_OPT_F3 vpmulhrsw
+IEMIMPL_MEDIA_OPT_F3 vpsadbw
 
 

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

@@ -13029 +13029 @@
 
 /*
+ * PSADBW / VPSADBW
+ */
+#ifdef IEM_WITHOUT_ASSEMBLY
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_psadbw_u64,(uint64_t *puDst, uint64_t const *puSrc))
+{
+    RTUINT64U uSrc1 = { *puDst };
+    RTUINT64U uSrc2 = { *puSrc };
+    RTUINT64U uDst;
+    uint16_t uSum = RT_ABS((int16_t)uSrc1.au8[0] - uSrc2.au8[0]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[1] - uSrc2.au8[1]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[2] - uSrc2.au8[2]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[3] - uSrc2.au8[3]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[4] - uSrc2.au8[4]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[5] - uSrc2.au8[5]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[6] - uSrc2.au8[6]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[7] - uSrc2.au8[7]);
+
+    uDst.au64[0] = 0;
+    uDst.au16[0] = uSum;
+    *puDst = uDst.u;
+}
+
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_psadbw_u128,(PRTUINT128U puDst, PCRTUINT128U puSrc))
+{
+    RTUINT128U uSrc1 = *puDst;
+
+    puDst->au64[0] = 0;
+    puDst->au64[1] = 0;
+
+    uint16_t uSum = RT_ABS((int16_t)uSrc1.ai8[0] - puSrc->ai8[0]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[1] - puSrc->au8[1]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[2] - puSrc->au8[2]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[3] - puSrc->au8[3]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[4] - puSrc->au8[4]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[5] - puSrc->au8[5]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[6] - puSrc->au8[6]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[7] - puSrc->au8[7]);
+    puDst->au16[0] = uSum;
+
+    uSum  = RT_ABS((int16_t)uSrc1.au8[ 8] - puSrc->au8[ 8]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[ 9] - puSrc->au8[ 9]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[10] - puSrc->au8[10]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[11] - puSrc->au8[11]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[12] - puSrc->au8[12]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[13] - puSrc->au8[13]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[14] - puSrc->au8[14]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[15] - puSrc->au8[15]);
+    puDst->au16[4] = uSum;
+}
+
+#endif
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpsadbw_u128_fallback,(PRTUINT128U puDst, PCRTUINT128U puSrc1, PCRTUINT128U puSrc2))
+{
+    RTUINT128U uSrc1 = *puSrc1;
+    RTUINT128U uSrc2 = *puSrc2;
+
+    puDst->au64[0] = 0;
+    puDst->au64[1] = 0;
+
+    uint16_t uSum = RT_ABS((int16_t)uSrc1.ai8[0] - uSrc2.ai8[0]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[1] - uSrc2.au8[1]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[2] - uSrc2.au8[2]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[3] - uSrc2.au8[3]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[4] - uSrc2.au8[4]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[5] - uSrc2.au8[5]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[6] - uSrc2.au8[6]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[7] - uSrc2.au8[7]);
+    puDst->au16[0] = uSum;
+
+    uSum  = RT_ABS((int16_t)uSrc1.au8[ 8] - uSrc2.au8[ 8]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[ 9] - uSrc2.au8[ 9]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[10] - uSrc2.au8[10]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[11] - uSrc2.au8[11]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[12] - uSrc2.au8[12]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[13] - uSrc2.au8[13]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[14] - uSrc2.au8[14]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[15] - uSrc2.au8[15]);
+    puDst->au16[4] = uSum;
+}
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpsadbw_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2))
+{
+    RTUINT256U uSrc1 = *puSrc1;
+    RTUINT256U uSrc2 = *puSrc2;
+
+    puDst->au64[0] = 0;
+    puDst->au64[1] = 0;
+    puDst->au64[2] = 0;
+    puDst->au64[3] = 0;
+
+    uint16_t uSum = RT_ABS((int16_t)uSrc1.au8[0] - uSrc2.au8[0]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[1] - uSrc2.au8[1]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[2] - uSrc2.au8[2]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[3] - uSrc2.au8[3]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[4] - uSrc2.au8[4]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[5] - uSrc2.au8[5]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[6] - uSrc2.au8[6]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[7] - uSrc2.au8[7]);
+    puDst->au16[0] = uSum;
+
+    uSum  = RT_ABS((int16_t)uSrc1.au8[ 8] - uSrc2.au8[ 8]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[ 9] - uSrc2.au8[ 9]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[10] - uSrc2.au8[10]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[11] - uSrc2.au8[11]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[12] - uSrc2.au8[12]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[13] - uSrc2.au8[13]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[14] - uSrc2.au8[14]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[15] - uSrc2.au8[15]);
+    puDst->au16[4] = uSum;
+
+    uSum  = RT_ABS((int16_t)uSrc1.au8[16] - uSrc2.au8[16]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[17] - uSrc2.au8[17]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[18] - uSrc2.au8[18]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[19] - uSrc2.au8[19]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[20] - uSrc2.au8[20]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[21] - uSrc2.au8[21]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[22] - uSrc2.au8[22]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[23] - uSrc2.au8[23]);
+    puDst->au16[8] = uSum;
+
+    uSum  = RT_ABS((int16_t)uSrc1.au8[24] - uSrc2.au8[24]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[25] - uSrc2.au8[25]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[26] - uSrc2.au8[26]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[27] - uSrc2.au8[27]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[28] - uSrc2.au8[28]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[29] - uSrc2.au8[29]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[30] - uSrc2.au8[30]);
+    uSum += RT_ABS((int16_t)uSrc1.au8[31] - uSrc2.au8[31]);
+    puDst->au16[12] = uSum;
+}
+
+
+/*
  * CRC32 (SEE 4.2).
  */

trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsTwoByte0f.cpp.h

@@ -10588 +10588 @@
 
 /** Opcode      0x0f 0xf6 - psadbw Pq, Qq */
-FNIEMOP_STUB(iemOp_psadbw_Pq_Qq);
+FNIEMOP_DEF(iemOp_psadbw_Pq_Qq)
+{
+    IEMOP_MNEMONIC2(RM, PSADBW, psadbw, Pq, Qq, DISOPTYPE_HARMLESS | DISOPTYPE_MMX, IEMOPHINT_IGNORES_OP_SIZES);
+    return FNIEMOP_CALL_1(iemOpCommonMmxSseOpt_FullFull_To_Full, iemAImpl_psadbw_u64);
+}
+
+
 /** Opcode 0x66 0x0f 0xf6 - psadbw Vx, Wx */
-FNIEMOP_STUB(iemOp_psadbw_Vx_Wx);
+FNIEMOP_DEF(iemOp_psadbw_Vx_Wx)
+{
+    IEMOP_MNEMONIC2(RM, PSADBW, psaddw, Vx, Wx, DISOPTYPE_HARMLESS | DISOPTYPE_SSE, IEMOPHINT_IGNORES_OP_SIZES);
+    return FNIEMOP_CALL_1(iemOpCommonSse2Opt_FullFull_To_Full, iemAImpl_psadbw_u128);
+}
+
+
 /*  Opcode 0xf2 0x0f 0xf6 - invalid */
 

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

@@ -4485 +4485 @@
 
 /*  Opcode VEX.0F 0xf6 - invalid */
+
+
 /** Opcode VEX.66.0F 0xf6 - vpsadbw Vx, Hx, Wx */
-FNIEMOP_STUB(iemOp_vpsadbw_Vx_Hx_Wx);
+FNIEMOP_DEF(iemOp_vpsadbw_Vx_Hx_Wx)
+{
+    IEMOP_MNEMONIC3(VEX_RVM, VPSADBW, vpsadbw, Vx, Hx, Wx, DISOPTYPE_HARMLESS, 0);
+    IEMOPMEDIAOPTF3_INIT_VARS(vpsadbw);
+    return FNIEMOP_CALL_1(iemOpCommonAvxAvx2_Vx_Hx_Wx_Opt, IEM_SELECT_HOST_OR_FALLBACK(fAvx2, &s_Host, &s_Fallback));
+}
+
+
 /*  Opcode VEX.F2.0F 0xf6 - invalid */
 

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

@@ -1802 +1802 @@
 FNIEMAIMPLMEDIAOPTF2U64  iemAImpl_pmulhuw_u64;
 FNIEMAIMPLMEDIAOPTF2U64  iemAImpl_pavgb_u64, iemAImpl_pavgw_u64;
+FNIEMAIMPLMEDIAOPTF2U64  iemAImpl_psadbw_u64;
 
 FNIEMAIMPLMEDIAF2U128    iemAImpl_pshufb_u128, iemAImpl_pshufb_u128_fallback;
@@ -1854 +1855 @@
 FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_pmulhuw_u128;
 FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_pavgb_u128, iemAImpl_pavgw_u128;
+FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_psadbw_u128;
 
 FNIEMAIMPLMEDIAF3U128    iemAImpl_vpshufb_u128,    iemAImpl_vpshufb_u128_fallback;
@@ -1909 +1911 @@
 FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmaddubsw_u128, iemAImpl_vpmaddubsw_u128_fallback;
 FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpmulhrsw_u128,  iemAImpl_vpmulhrsw_u128_fallback;
+FNIEMAIMPLMEDIAOPTF3U128 iemAImpl_vpsadbw_u128,    iemAImpl_vpsadbw_u128_fallback;
 
 FNIEMAIMPLMEDIAOPTF2U128 iemAImpl_vpabsb_u128,     iemAImpl_vpabsb_u128_fallback;
@@ -1968 +1971 @@
 FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmaddubsw_u256, iemAImpl_vpmaddubsw_u256_fallback;
 FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpmulhrsw_u256,  iemAImpl_vpmulhrsw_u256_fallback;
+FNIEMAIMPLMEDIAOPTF3U256 iemAImpl_vpsadbw_u256,    iemAImpl_vpsadbw_u256_fallback;
 
 FNIEMAIMPLMEDIAOPTF2U256 iemAImpl_vpabsb_u256,     iemAImpl_vpabsb_u256_fallback;

trunk/src/VBox/VMM/testcase/tstIEMCheckMc.cpp

@@ -446 +446 @@
 #define iemAImpl_pavgb_u64              NULL
 #define iemAImpl_pavgw_u64              NULL
+#define iemAImpl_psadbw_u64             NULL
 
 #define iemAImpl_pmaxub_u128            NULL
@@ -453 +454 @@
 #define iemAImpl_pavgb_u128             NULL
 #define iemAImpl_pavgw_u128             NULL
+#define iemAImpl_psadbw_u128            NULL
 
 /** @}  */