Changeset 105253 in vbox

Timestamp:

Jul 10, 2024 8:29:28 AM (5 months ago)

Author:

vboxsync

Message:

VMM/IEM: Implement instruction emulation for vrcpps, vrcpss, bugref:9898

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllAImplC.cpp (modified) (4 diffs)
• VMMAll/IEMAllInstVexMap1.cpp.h (modified) (1 diff)
• include/IEMInternal.h (modified) (3 diffs)

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

@@ -17220 +17220 @@
 
 /**
- * RCPPS
- */
-#ifdef IEM_WITHOUT_ASSEMBLY
+ * [V]RCPPS
+ */
 static uint32_t iemAImpl_rcp_worker(PRTFLOAT32U pr32Res, uint32_t fMxcsr, PCRTFLOAT32U pr32Val)
 {
@@ -17242 +17241 @@
 
 
+#ifdef IEM_WITHOUT_ASSEMBLY
 IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_rcpps_u128,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc1, PCX86XMMREG puSrc2))
 {
@@ -17251 +17251 @@
            | iemAImpl_rcp_worker(&pResult->ar32[3], uMxCsrIn, &puSrc2->ar32[3]);
 }
+#endif
+
+
+IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_vrcpps_u128_fallback,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc))
+{
+    return   iemAImpl_rcp_worker(&pResult->ar32[0], uMxCsrIn, &puSrc->ar32[0])
+           | iemAImpl_rcp_worker(&pResult->ar32[1], uMxCsrIn, &puSrc->ar32[1])
+           | iemAImpl_rcp_worker(&pResult->ar32[2], uMxCsrIn, &puSrc->ar32[2])
+           | iemAImpl_rcp_worker(&pResult->ar32[3], uMxCsrIn, &puSrc->ar32[3]);
+}
+
+
+IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_vrcpps_u256_fallback,(uint32_t uMxCsrIn, PX86YMMREG pResult, PCX86YMMREG puSrc))
+{
+    return   iemAImpl_rcp_worker(&pResult->ar32[0], uMxCsrIn, &puSrc->ar32[0])
+           | iemAImpl_rcp_worker(&pResult->ar32[1], uMxCsrIn, &puSrc->ar32[1])
+           | iemAImpl_rcp_worker(&pResult->ar32[2], uMxCsrIn, &puSrc->ar32[2])
+           | iemAImpl_rcp_worker(&pResult->ar32[3], uMxCsrIn, &puSrc->ar32[3])
+           | iemAImpl_rcp_worker(&pResult->ar32[4], uMxCsrIn, &puSrc->ar32[4])
+           | iemAImpl_rcp_worker(&pResult->ar32[5], uMxCsrIn, &puSrc->ar32[5])
+           | iemAImpl_rcp_worker(&pResult->ar32[6], uMxCsrIn, &puSrc->ar32[6])
+           | iemAImpl_rcp_worker(&pResult->ar32[7], uMxCsrIn, &puSrc->ar32[7]);
+}
 
 
 /**
- * RCPSS
- */
+ * [V]RCPSS
+ */
+#ifdef IEM_WITHOUT_ASSEMBLY
 IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_rcpss_u128_r32,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc1, PCRTFLOAT32U pr32Src2))
 {
@@ -17264 +17288 @@
 }
 #endif
+
+
+IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_vrcpss_u128_r32_fallback,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc1, PCRTFLOAT32U pr32Src2))
+{
+    pResult->ar32[1] = puSrc1->ar32[1];
+    pResult->ar32[2] = puSrc1->ar32[2];
+    pResult->ar32[3] = puSrc1->ar32[3];
+    return iemAImpl_rcp_worker(&pResult->ar32[0], uMxCsrIn, pr32Src2);
+}
 
 

trunk/src/VBox/VMM/VMMAll/IEMAllInstVexMap1.cpp.h

@@ -3009 +3009 @@
 /*  Opcode VEX.F2.0F 0x52 - invalid */
 
+
 /** Opcode VEX.0F 0x53 - vrcpps Vps, Wps */
-FNIEMOP_STUB(iemOp_vrcpps_Vps_Wps);
+FNIEMOP_DEF(iemOp_vrcpps_Vps_Wps)
+{
+    IEMOP_MNEMONIC2(VEX_RM, VRCPPS, vrcpps, Vps, Wps, DISOPTYPE_HARMLESS | DISOPTYPE_X86_AVX, 0);
+    IEMOPMEDIAF2_INIT_VARS(         vrcpps);
+    return FNIEMOP_CALL_1(iemOpCommonAvxAvx2_Vx_Wx, IEM_SELECT_HOST_OR_FALLBACK(fAvx, &s_Host, &s_Fallback));
+}
+
+
 /*  Opcode VEX.66.0F 0x53 - invalid */
+
+
 /** Opcode VEX.F3.0F 0x53 - vrcpss Vss, Hss, Wss */
-FNIEMOP_STUB(iemOp_vrcpss_Vss_Hss_Wss);
+FNIEMOP_DEF(iemOp_vrcpss_Vss_Hss_Wss)
+{
+    IEMOP_MNEMONIC3(VEX_RVM, VRCPSS, vrcpss, Vps, Hps, Wss, DISOPTYPE_HARMLESS | DISOPTYPE_X86_AVX, 0);
+    return FNIEMOP_CALL_1(iemOpCommonAvx_Vx_Hx_R32,
+                          IEM_SELECT_HOST_OR_FALLBACK(fAvx, iemAImpl_vrcpss_u128_r32, iemAImpl_vrcpss_u128_r32_fallback));
+}
+
+
 /*  Opcode VEX.F2.0F 0x53 - invalid */
 

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

@@ -4613 +4613 @@
 FNIEMAIMPLMEDIAF2U128 iemAImpl_vsqrtpd_u128, iemAImpl_vsqrtpd_u128_fallback;
 FNIEMAIMPLMEDIAF2U128 iemAImpl_vrsqrtps_u128,  iemAImpl_vrsqrtps_u128_fallback;
+FNIEMAIMPLMEDIAF2U128 iemAImpl_vrcpps_u128,    iemAImpl_vrcpps_u128_fallback;
 FNIEMAIMPLMEDIAF3U128 iemAImpl_vaddsubps_u128, iemAImpl_vaddsubps_u128_fallback;
 FNIEMAIMPLMEDIAF3U128 iemAImpl_vaddsubpd_u128, iemAImpl_vaddsubpd_u128_fallback;
@@ -4633 +4634 @@
 FNIEMAIMPLFPAVXF3U128R64 iemAImpl_vsqrtsd_u128_r64, iemAImpl_vsqrtsd_u128_r64_fallback;
 FNIEMAIMPLFPAVXF3U128R32 iemAImpl_vrsqrtss_u128_r32, iemAImpl_vrsqrtss_u128_r32_fallback;
+FNIEMAIMPLFPAVXF3U128R32 iemAImpl_vrcpss_u128_r32,   iemAImpl_vrcpss_u128_r32_fallback;
 
 FNIEMAIMPLFPAVXF3U256 iemAImpl_vaddps_u256, iemAImpl_vaddps_u256_fallback;
@@ -4657 +4659 @@
 FNIEMAIMPLMEDIAF2U256 iemAImpl_vsqrtpd_u256, iemAImpl_vsqrtpd_u256_fallback;
 FNIEMAIMPLMEDIAF2U256 iemAImpl_vrsqrtps_u256,  iemAImpl_vrsqrtps_u256_fallback;
+FNIEMAIMPLMEDIAF2U256 iemAImpl_vrcpps_u256,    iemAImpl_vrcpps_u256_fallback;
 /** @} */