Changeset 107143 in vbox

Timestamp:

Nov 26, 2024 10:32:16 AM (4 months ago)

Author:

vboxsync

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

166125

Message:

VMM/IEM: fix IEM vpermd instruction emulation; bugref:9898; jiraref:VBP-1464

File:

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

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

@@ -20863 +20863 @@
 IEM_DECL_IMPL_DEF(void, iemAImpl_vpermd_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2))
 {
-    puDst->au32[0] = puSrc2->au32[puSrc1->au32[0] & 0x3];
-    puDst->au32[1] = puSrc2->au32[puSrc1->au32[1] & 0x3];
-    puDst->au32[2] = puSrc2->au32[puSrc1->au32[2] & 0x3];
-    puDst->au32[3] = puSrc2->au32[puSrc1->au32[3] & 0x3];
-    puDst->au32[4] = puSrc2->au32[puSrc1->au32[4] & 0x3];
-    puDst->au32[5] = puSrc2->au32[puSrc1->au32[5] & 0x3];
-    puDst->au32[6] = puSrc2->au32[puSrc1->au32[6] & 0x3];
-    puDst->au32[7] = puSrc2->au32[puSrc1->au32[7] & 0x3];
-}
-
-
-/**
- * VPERMPS
- */
-IEM_DECL_IMPL_DEF(void, iemAImpl_vpermps_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2))
-{
     puDst->au32[0] = puSrc2->au32[puSrc1->au32[0] & 0x7];
     puDst->au32[1] = puSrc2->au32[puSrc1->au32[1] & 0x7];
@@ -20888 +20872 @@
     puDst->au32[7] = puSrc2->au32[puSrc1->au32[7] & 0x7];
 }
+
+
+/**
+ * VPERMPS
+ */
+IEM_DECL_IMPL_DEF(void, iemAImpl_vpermps_u256_fallback,(PRTUINT256U puDst, PCRTUINT256U puSrc1, PCRTUINT256U puSrc2))
+{
+    puDst->au32[0] = puSrc2->au32[puSrc1->au32[0] & 0x7];
+    puDst->au32[1] = puSrc2->au32[puSrc1->au32[1] & 0x7];
+    puDst->au32[2] = puSrc2->au32[puSrc1->au32[2] & 0x7];
+    puDst->au32[3] = puSrc2->au32[puSrc1->au32[3] & 0x7];
+    puDst->au32[4] = puSrc2->au32[puSrc1->au32[4] & 0x7];
+    puDst->au32[5] = puSrc2->au32[puSrc1->au32[5] & 0x7];
+    puDst->au32[6] = puSrc2->au32[puSrc1->au32[6] & 0x7];
+    puDst->au32[7] = puSrc2->au32[puSrc1->au32[7] & 0x7];
+}