Changeset 107278 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Dec 10, 2024 12:54:07 PM (3 months ago)

Author:

vboxsync

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

166299

Message:

VMM/IEM: fix SSE cvtdq2pd raising spurious #GP; bugref:10816; jiraref:VBP-1476

• improperly fixed with a cast; proper fix caused far too much cascading trouble
• improve internal doc of various TODO_XXX_BUG stuff

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstTwoByte0f.cpp.h (modified) (1 diff)

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

@@ -13436 +13436 @@
 {
     IEMOP_MNEMONIC2(RM, CVTDQ2PD, cvtdq2pd, Vx, Wpd, DISOPTYPE_HARMLESS | DISOPTYPE_X86_SSE, 0);
-    return FNIEMOP_CALL_1(iemOpCommonSse2Fp_FullFull_To_Full, iemAImpl_cvtdq2pd_u128);
+    /** @todo changing iemAImpl_cvtdq2pd_u128's type provokes a cascade of other changes */
+    return FNIEMOP_CALL_1(iemOpCommonSse2Fp_FullR64_To_Full, (PFNIEMAIMPLFPSSEF2U128R64)iemAImpl_cvtdq2pd_u128);
 }