Changeset 102741 in vbox

Timestamp:

Jan 1, 2024 2:14:58 AM (11 months ago)

Author:

vboxsync

Message:

VMM/IEM: Corrected two more 8-bit host register messups on x86, also triggered by r160825. bugref:10371

File:

• trunk/src/VBox/VMM/include/IEMN8veRecompilerEmit.h (modified) (2 diffs)

trunk/src/VBox/VMM/include/IEMN8veRecompilerEmit.h

@@ -1219 +1219 @@
     if (iGprDst >= 8 || iGprSrc >= 8)
         pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
+    else if (iGprSrc >= 4)
+        pbCodeBuf[off++] = X86_OP_REX;
     pbCodeBuf[off++] = 0x0f;
     pbCodeBuf[off++] = 0xbe;
@@ -1249 +1251 @@
     if (iGprDst >= 8 || iGprSrc >= 8)
         pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
+    else if (iGprSrc >= 4)
+        pbCodeBuf[off++] = X86_OP_REX;
     pbCodeBuf[off++] = 0x0f;
     pbCodeBuf[off++] = 0xbe;