Changeset 61660 in vbox for trunk

Timestamp:

Jun 10, 2016 3:19:48 PM (9 years ago)

Author:

vboxsync

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

108014

Message:

iemOp_movups_Wps_Vpsmovupd_Wpd_Vpdmovss_Wss_Vssmovsd_Vsd_Wsd: ignore irrelevant prefixes like REX*.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h (modified) (2 diffs)

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

@@ -1511 +1511 @@
 {
     /* Quick hack. Need to restructure all of this later some time. */
-    if (pIemCpu->fPrefixes == 0)
+    uint8_t const fRelevantPrefix = pIemCpu->fPrefixes & (IEM_OP_PRF_SIZE_OP | IEM_OP_PRF_REPNZ | IEM_OP_PRF_REPZ);
+    if (fRelevantPrefix == 0)
     {
         IEMOP_MNEMONIC("movups Wps,Vps");
@@ -1550 +1551 @@
         }
     }
-    else if (pIemCpu->fPrefixes == IEM_OP_PRF_REPNZ)
+    else if (fRelevantPrefix == IEM_OP_PRF_REPNZ)
     {
         IEMOP_MNEMONIC("movsd Wsd,Vsd");