Changeset 105252 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Jul 10, 2024 8:23:04 AM (7 months ago)

Author:

vboxsync

Message:

VMM/IEM: Implement instruction emulation for vrsqrtps, vrsqrtss, bugref:9898

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• IEMAllAImplC.cpp (modified) (5 diffs)
• IEMAllInstVexMap1.cpp.h (modified) (1 diff)

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

@@ -17134 +17134 @@
 
 
-#ifdef IEM_WITHOUT_ASSEMBLY
 /**
- * RSQRTPS
+ * [V]RSQRTPS
  */
 static uint32_t iemAImpl_rsqrt_worker(PRTFLOAT32U pr32Res, uint32_t fMxcsr, PCRTFLOAT32U pr32Val)
@@ -17162 +17161 @@
 
 
+#ifdef IEM_WITHOUT_ASSEMBLY
 IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_rsqrtps_u128,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc1, PCX86XMMREG puSrc2))
 {
@@ -17171 +17171 @@
            | iemAImpl_rsqrt_worker(&pResult->ar32[3], uMxCsrIn, &puSrc2->ar32[3]);
 }
+#endif
+
+
+IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_vrsqrtps_u128_fallback,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc))
+{
+    return   iemAImpl_rsqrt_worker(&pResult->ar32[0], uMxCsrIn, &puSrc->ar32[0])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[1], uMxCsrIn, &puSrc->ar32[1])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[2], uMxCsrIn, &puSrc->ar32[2])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[3], uMxCsrIn, &puSrc->ar32[3]);
+}
+
+
+IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_vrsqrtps_u256_fallback,(uint32_t uMxCsrIn, PX86YMMREG pResult, PCX86YMMREG puSrc))
+{
+    return   iemAImpl_rsqrt_worker(&pResult->ar32[0], uMxCsrIn, &puSrc->ar32[0])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[1], uMxCsrIn, &puSrc->ar32[1])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[2], uMxCsrIn, &puSrc->ar32[2])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[3], uMxCsrIn, &puSrc->ar32[3])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[4], uMxCsrIn, &puSrc->ar32[4])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[5], uMxCsrIn, &puSrc->ar32[5])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[6], uMxCsrIn, &puSrc->ar32[6])
+           | iemAImpl_rsqrt_worker(&pResult->ar32[7], uMxCsrIn, &puSrc->ar32[7]);
+}
 
 
@@ -17176 +17199 @@
  * RSQRTSS
  */
+#ifdef IEM_WITHOUT_ASSEMBLY
 IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_rsqrtss_u128_r32,(uint32_t uMxCsrIn, PX86XMMREG pResult, PCX86XMMREG puSrc1, PCRTFLOAT32U pr32Src2))
 {
@@ -17184 +17208 @@
 }
 #endif
+
+
+IEM_DECL_IMPL_DEF(uint32_t, iemAImpl_vrsqrtss_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_rsqrt_worker(&pResult->ar32[0], uMxCsrIn, pr32Src2);
+}
 
 

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

@@ -2987 +2987 @@
 
 /** Opcode VEX.0F 0x52 - vrsqrtps Vps, Wps */
-FNIEMOP_STUB(iemOp_vrsqrtps_Vps_Wps);
+FNIEMOP_DEF(iemOp_vrsqrtps_Vps_Wps)
+{
+    IEMOP_MNEMONIC2(VEX_RM, VRSQRTPS, vrsqrtps, Vps, Wps, DISOPTYPE_HARMLESS | DISOPTYPE_X86_AVX, 0);
+    IEMOPMEDIAF2_INIT_VARS(           vrsqrtps);
+    return FNIEMOP_CALL_1(iemOpCommonAvxAvx2_Vx_Wx, IEM_SELECT_HOST_OR_FALLBACK(fAvx, &s_Host, &s_Fallback));
+}
+
+
 /*  Opcode VEX.66.0F 0x52 - invalid */
+
+
 /** Opcode VEX.F3.0F 0x52 - vrsqrtss Vss, Hss, Wss */
-FNIEMOP_STUB(iemOp_vrsqrtss_Vss_Hss_Wss);
+FNIEMOP_DEF(iemOp_vrsqrtss_Vss_Hss_Wss)
+{
+    IEMOP_MNEMONIC3(VEX_RVM, VRSQRTSS, vrsqrtss, Vps, Hps, Wss, DISOPTYPE_HARMLESS | DISOPTYPE_X86_AVX, 0);
+    return FNIEMOP_CALL_1(iemOpCommonAvx_Vx_Hx_R32,
+                          IEM_SELECT_HOST_OR_FALLBACK(fAvx, iemAImpl_vrsqrtss_u128_r32, iemAImpl_vrsqrtss_u128_r32_fallback));
+}
+
+
 /*  Opcode VEX.F2.0F 0x52 - invalid */