Changeset 102817 in vbox for trunk/src

Timestamp:

Jan 10, 2024 1:56:06 PM (13 months ago)

Author:

vboxsync

Message:

IEM: Added RCPSS/RCPPS assembly imlementation and C stubs.

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllAImpl.asm (modified) (2 diffs)
• VMMAll/IEMAllAImplC.cpp (modified) (1 diff)
• VMMAll/IEMAllInstTwoByte0f.cpp.h (modified) (1 diff)
• include/IEMInternal.h (modified) (2 diffs)
• testcase/tstIEMCheckMc.cpp (modified) (2 diffs)

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

@@ -4842 +4842 @@
 IEMIMPL_FP_F2 rsqrtps,   2
 IEMIMPL_FP_F2 sqrtpd,    2
+IEMIMPL_FP_F2 rcpps,     2
 IEMIMPL_FP_F2 cvtdq2ps,  2
 IEMIMPL_FP_F2 cvtps2dq,  2
@@ -4901 +4902 @@
 IEMIMPL_FP_F2_R32 sqrtss
 IEMIMPL_FP_F2_R32 rsqrtss
+IEMIMPL_FP_F2_R32 rcpss
 
 

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

@@ -16137 +16137 @@
 
 /**
+ * RCPPS
+ */
+#ifdef IEM_WITHOUT_ASSEMBLY
+static uint32_t iemAImpl_rcp_worker(PRTFLOAT32U pr32Res, uint32_t fMxcsr, PCRTFLOAT32U pr32Val)
+{
+    RT_NOREF(pr32Res); RT_NOREF(fMxcsr); RT_NOREF(pr32Val);
+    /** @todo implement using softfloat! */
+    Assert(0);
+    return 0;
+}
+
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_rcpps_u128,(PX86FXSTATE pFpuState, PIEMSSERESULT pResult, PCX86XMMREG puSrc1, PCX86XMMREG puSrc2))
+{
+    RT_NOREF(puSrc1);
+
+    pResult->MXCSR  = iemAImpl_rcp_worker(&pResult->uResult.ar32[0], pFpuState->MXCSR, &puSrc2->ar32[0]);
+    pResult->MXCSR |= iemAImpl_rcp_worker(&pResult->uResult.ar32[1], pFpuState->MXCSR, &puSrc2->ar32[1]);
+    pResult->MXCSR |= iemAImpl_rcp_worker(&pResult->uResult.ar32[2], pFpuState->MXCSR, &puSrc2->ar32[2]);
+    pResult->MXCSR |= iemAImpl_rcp_worker(&pResult->uResult.ar32[3], pFpuState->MXCSR, &puSrc2->ar32[3]);
+}
+
+
+/**
+ * RCPSS
+ */
+IEM_DECL_IMPL_DEF(void, iemAImpl_rcpss_u128_r32,(PX86FXSTATE pFpuState, PIEMSSERESULT pResult, PCX86XMMREG puSrc1, PCRTFLOAT32U pr32Src2))
+{
+    pResult->MXCSR = iemAImpl_rcp_worker(&pResult->uResult.ar32[0], pFpuState->MXCSR, pr32Src2);
+    pResult->uResult.ar32[1] = puSrc1->ar32[1];
+    pResult->uResult.ar32[2] = puSrc1->ar32[2];
+    pResult->uResult.ar32[3] = puSrc1->ar32[3];
+}
+#endif
+
+
+/**
  * ADDSUBPS
  */

trunk/src/VBox/VMM/VMMAll/IEMAllInstTwoByte0f.cpp.h

@@ -5600 +5600 @@
 /*  Opcode 0xf2 0x0f 0x52 - invalid */
 
+
 /** Opcode      0x0f 0x53 - rcpps Vps, Wps */
-FNIEMOP_STUB(iemOp_rcpps_Vps_Wps);
+FNIEMOP_DEF(iemOp_rcpps_Vps_Wps)
+{
+    IEMOP_MNEMONIC2(RM, RCPPS, rcpps, Vps, Wps, DISOPTYPE_HARMLESS, 0);
+    return FNIEMOP_CALL_1(iemOpCommonSseFp_FullFull_To_Full, iemAImpl_rcpps_u128);
+}
+
+
 /*  Opcode 0x66 0x0f 0x53 - invalid */
+
+
 /** Opcode 0xf3 0x0f 0x53 - rcpss Vss, Wss */
-FNIEMOP_STUB(iemOp_rcpss_Vss_Wss);
+FNIEMOP_DEF(iemOp_rcpss_Vss_Wss)
+{
+    IEMOP_MNEMONIC2(RM, RCPSS, rcpss, Vss, Wss, DISOPTYPE_HARMLESS, 0);
+    return FNIEMOP_CALL_1(iemOpCommonSseFp_FullR32_To_Full, iemAImpl_rcpss_u128_r32);
+}
+
+
 /*  Opcode 0xf2 0x0f 0x53 - invalid */
 

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

@@ -3940 +3940 @@
 FNIEMAIMPLFPSSEF2U128 iemAImpl_rsqrtps_u128;
 FNIEMAIMPLFPSSEF2U128 iemAImpl_sqrtpd_u128;
+FNIEMAIMPLFPSSEF2U128 iemAImpl_rcpps_u128;
 FNIEMAIMPLFPSSEF2U128 iemAImpl_addsubps_u128;
 FNIEMAIMPLFPSSEF2U128 iemAImpl_addsubpd_u128;
@@ -3969 +3970 @@
 FNIEMAIMPLFPSSEF2U128R64 iemAImpl_sqrtsd_u128_r64;
 FNIEMAIMPLFPSSEF2U128R32 iemAImpl_rsqrtss_u128_r32;
+FNIEMAIMPLFPSSEF2U128R32 iemAImpl_rcpss_u128_r32;
 
 FNIEMAIMPLFPAVXF3U128 iemAImpl_vaddps_u128, iemAImpl_vaddps_u128_fallback;

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

@@ -505 +505 @@
 #define iemAImpl_sqrtpd_u128            NULL
 #define iemAImpl_rsqrtps_u128           NULL
+#define iemAImpl_rcpps_u128             NULL
 #define iemAImpl_addsubps_u128          NULL
 #define iemAImpl_addsubpd_u128          NULL
@@ -538 +539 @@
 #define iemAImpl_roundsd_u128_r64       NULL
 #define iemAImpl_rsqrtss_u128_r32       NULL
+#define iemAImpl_rcpss_u128_r32         NULL
 
 #define iemAImpl_cvtss2sd_u128_r32      NULL