Changeset 97785 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Dec 12, 2022 5:54:29 PM (2 years ago)

Author:

vboxsync

Message:

IEM: Fixed/added C implementation stubs for RSQRTxx/ROUNDxx.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp (modified) (3 diffs)

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

@@ -15573 +15573 @@
 
 
+#ifdef IEM_WITHOUT_ASSEMBLY
+/**
+ * RSQRTPS
+ */
+static uint32_t iemAImpl_rsqrt_worker(PRTFLOAT32U pr32Res, uint32_t fMxcsr, PCRTFLOAT32U pr32Val)
+{
+    RT_NOREF(pr32Res);
+    RT_NOREF(pr32Val);
+    AssertReleaseFailed();
+    return fMxcsr;
+}
+
+
+IEM_DECL_IMPL_DEF(void, iemAImpl_rsqrtps_u128,(PX86FXSTATE pFpuState, PIEMSSERESULT pResult, PCX86XMMREG puSrc1, PCX86XMMREG puSrc2))
+{
+    RT_NOREF(puSrc1);
+
+    pResult->MXCSR  = iemAImpl_rsqrt_worker(&pResult->uResult.ar32[0], pFpuState->MXCSR, &puSrc2->ar32[0]);
+    pResult->MXCSR |= iemAImpl_rsqrt_worker(&pResult->uResult.ar32[1], pFpuState->MXCSR, &puSrc2->ar32[1]);
+    pResult->MXCSR |= iemAImpl_rsqrt_worker(&pResult->uResult.ar32[2], pFpuState->MXCSR, &puSrc2->ar32[2]);
+    pResult->MXCSR |= iemAImpl_rsqrt_worker(&pResult->uResult.ar32[3], pFpuState->MXCSR, &puSrc2->ar32[3]);
+}
+
+
+/**
+ * RSQRTSS
+ */
+IEM_DECL_IMPL_DEF(void, iemAImpl_rsqrtss_u128_r32,(PX86FXSTATE pFpuState, PIEMSSERESULT pResult, PCX86XMMREG puSrc1, PCRTFLOAT32U pr32Src2))
+{
+    pResult->MXCSR = iemAImpl_rsqrt_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
@@ -17135 +17172 @@
 
 
-IEM_DECL_IMPL_DEF(void, iemAImpl_roundss_u128_fallback,(uint32_t *pfMxcsr, PX86XMMREG puDst, PCIEMMEDIAF2XMMSRC pSrc, uint8_t bImm))
+#ifdef IEM_WITHOUT_ASSEMBLY
+IEM_DECL_IMPL_DEF(void, iemAImpl_roundss_u128,(uint32_t *pfMxcsr, PX86XMMREG puDst, PCIEMMEDIAF2XMMSRC pSrc, uint8_t bImm))
 {
     puDst->ar32[0] = iemAImpl_round_worker_r32(pfMxcsr, &pSrc->uSrc2.ar32[0], bImm & 0x7);
@@ -17143 +17181 @@
 
 
-IEM_DECL_IMPL_DEF(void, iemAImpl_roundsd_u128_fallback,(uint32_t *pfMxcsr, PX86XMMREG puDst, PCIEMMEDIAF2XMMSRC pSrc, uint8_t bImm))
+IEM_DECL_IMPL_DEF(void, iemAImpl_roundsd_u128,(uint32_t *pfMxcsr, PX86XMMREG puDst, PCIEMMEDIAF2XMMSRC pSrc, uint8_t bImm))
 {
     puDst->ar64[0] = iemAImpl_round_worker_r64(pfMxcsr, &pSrc->uSrc2.ar64[0], bImm & 0x7);
     puDst->au64[1] = pSrc->uSrc1.au64[1];
 }
+#endif