Changeset 99814 in vbox for trunk/include/VBox/vmm/cpum-x86-amd64.h

Timestamp:

May 16, 2023 4:32:30 PM (21 months ago)

Author:

vboxsync

Message:

IEM: Added a separate CPU flag to enable VEX decoding to allow BMI1/2 to be enabled without AVX (see bugref:5653).

File:

• trunk/include/VBox/vmm/cpum-x86-amd64.h (modified) (2 diffs)

trunk/include/VBox/vmm/cpum-x86-amd64.h

@@ -916 +916 @@
     uint32_t        fLeakyFxSR : 1;
 
+    /** Supports VEX instruction encoding (AVX, BMI, etc.). */
+    uint32_t        fVex : 1;
+
     /** AMD64: Supports AMD SVM. */
     uint32_t        fSvm : 1;
@@ -945 +948 @@
     /** Alignment padding / reserved for future use (96 bits total, plus 12 bytes
      *  prior to the bit fields -> total of 24 bytes) */
-    uint32_t        fPadding0 : 24;
+    uint32_t        fPadding0 : 23;