Changeset 107219 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Dec 3, 2024 9:33:38 AM (4 months ago)

Author:

vboxsync

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

166223

Message:

ValidationKit/bootsectors: partially fix IEM implementation of vdpp[sd]; bugref: 10658; jiraref:VBP-1208

This fixes alignment check issues; [v]dpp[sd] are still broken in other ways:

• returns wrong set of exceptions for many situations
• NaN handling differs from test HW (i7-10700); may be same as some other HW model

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstVexMap3.cpp.h (modified) (3 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllInstVexMap3.cpp.h

@@ -1612 +1612 @@
             IEM_MC_ARG_LOCAL_REF(PCIEMMEDIAF2YMMSRC,    puSrc,         uSrc,    1);
             IEM_MC_ARG_CONST(uint8_t,                   bImmArg, /*=*/ bImm,    2);
-            IEM_MC_FETCH_MEM_YMM_ALIGN_AVX_AND_YREG_YMM(uSrc, IEM_GET_EFFECTIVE_VVVV(pVCpu),
+            IEM_MC_FETCH_MEM_YMM_NO_AC_AND_YREG_YMM(uSrc, IEM_GET_EFFECTIVE_VVVV(pVCpu),
                                                         pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
             IEM_MC_LOCAL(X86YMMREG,                     uDst);
@@ -1634 +1634 @@
             IEM_MC_ARG_LOCAL_REF(PCIEMMEDIAF2XMMSRC,    puSrc,         uSrc,    1);
             IEM_MC_ARG_CONST(uint8_t,                   bImmArg, /*=*/ bImm,    2);
-            IEM_MC_FETCH_MEM_XMM_ALIGN_SSE_AND_XREG_XMM(uSrc, IEM_GET_EFFECTIVE_VVVV(pVCpu),
+            IEM_MC_FETCH_MEM_XMM_NO_AC_AND_XREG_XMM(uSrc, IEM_GET_EFFECTIVE_VVVV(pVCpu),
                                                         pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
             IEM_MC_LOCAL(X86XMMREG,                     uDst);
@@ -1692 +1692 @@
         IEM_MC_ARG_LOCAL_REF(PCIEMMEDIAF2XMMSRC,    puSrc,         uSrc,    1);
         IEM_MC_ARG_CONST(uint8_t,                   bImmArg, /*=*/ bImm,    2);
-        IEM_MC_FETCH_MEM_XMM_ALIGN_SSE_AND_XREG_XMM(uSrc, IEM_GET_EFFECTIVE_VVVV(pVCpu),
+        IEM_MC_FETCH_MEM_XMM_NO_AC_AND_XREG_XMM(uSrc, IEM_GET_EFFECTIVE_VVVV(pVCpu),
                                                     pVCpu->iem.s.iEffSeg, GCPtrEffSrc);
         IEM_MC_LOCAL(X86XMMREG,                     uDst);