Fix a bug in InternalMathDivRemU64x64(). The bug is that the 64-bit divisor is designed to be loaded to ecx:ebx but the high 4 byte of the divisor is forgotten to be loaded to ecx

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1693 6f19259b-4bc3-4df7-8a09-765794883524
2006-10-09 10:09:26 +00:00 · 2006-10-09 10:09:26 +00:00 · 2f8df87003
parent aba23ad92e
commit 2f8df87003
1 changed files with 1 additions and 0 deletions
--- a/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.c
+++ b/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.c
@ -28,6 +28,7 @@ InternalMathDivRemU64x64 (
    mov     eax, dword ptr [Dividend + 0]   // edx:eax <- dividend
    mov     edi, edx
    mov     esi, eax                    // edi:esi <- dividend
+    mov     ecx, dword ptr [Divisor + 4]
    mov     ebx, dword ptr [Divisor + 0]   // ecx:ebx <- divisor
 BitLoop:
    shr     edx, 1