Changeset 107103 in vbox

Timestamp:

Nov 22, 2024 7:57:24 AM (8 weeks ago)

Author:

vboxsync

Message:

VMM/IEM: fix IEM vpermps instruction emulation; bugref:9898; jiraref:VBP-1207

File:

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

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

@@ -20879 +20879 @@
 IEM_DECL_IMPL_DEF(void, iemAImpl_vpermps_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];
-}
+    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];
+}