Fix bug in backward copy for x64

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3913 6f19259b-4bc3-4df7-8a09-765794883524
2007-09-22 16:55:58 +00:00 · 2007-09-22 16:55:58 +00:00 · a0b4ea2aec
parent 679efe0afa
commit a0b4ea2aec
1 changed files with 1 additions and 1 deletions
--- a/MdePkg/Library/BaseMemoryLibRepStr/x64/CopyMem.asm
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/CopyMem.asm
@ -39,7 +39,7 @@ InternalMemCopyMem  PROC    USES    rsi rdi
    cmp     rsi, rdi
    mov     rax, rdi                    ; rax <- Destination as return value
    jae     @F
-    cmp     r9, rsi
+    cmp     r9, rdi
    jae     @CopyBackward               ; Copy backward if overlapped
@@:
    mov     rcx, r8