Changeset 7208 in vbox for trunk/src/VBox

Timestamp:

Feb 29, 2008 1:25:30 AM (17 years ago)

Author:

vboxsync

Message:

Initialize xAX to zero, was broken in the 64-bit success path.

File:

• trunk/src/VBox/Runtime/common/string/memcmp.asm (modified) (3 diffs)

trunk/src/VBox/Runtime/common/string/memcmp.asm

@@ -38 +38 @@
         ; Do the bulk of the work.
 %ifdef RT_ARCH_AMD64
+        xor     eax, eax
  %ifdef ASM_CALL64_MSC
         mov     r10, rdi                ; save
@@ -48 +49 @@
         mov     rcx, rdx
  %endif
-        mov     rax, rdi                ; save the return value
         shr     rcx, 3
         repe cmpsq
@@ -60 +60 @@
         mov     esi, [esp + 08h + 8]
         mov     edx, ecx
-        xor     eax, eax
         jecxz   .done
         shr     ecx, 2