Changeset 102891 in vbox for trunk/src/VBox/VMM/VMMAll/IEMAllInstTwoByte0f.cpp.h

Timestamp:

Jan 16, 2024 11:53:15 AM (11 months ago)

Author:

vboxsync

Message:

VMM/IEM: Test for ABM not BMI1 on the LZCNT instruction. Seek wiki and bs3-cpu-instr-2.

File:

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

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

@@ -11386 +11386 @@
 FNIEMOP_DEF(iemOp_lzcnt_Gv_Ev)
 {
-    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fBmi1)
+    if (!IEM_GET_GUEST_CPU_FEATURES(pVCpu)->fAbm)
         return FNIEMOP_CALL(iemOp_bsr_Gv_Ev);
     IEMOP_MNEMONIC2(RM, LZCNT, lzcnt, Gv, Ev, DISOPTYPE_HARMLESS, 0);