diff options
| author | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-01-10 06:57:04 +0000 |
|---|---|---|
| committer | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-01-10 06:57:04 +0000 |
| commit | a9a812a0ed4ab3d83941fdc6da281aebdb9bb296 (patch) | |
| tree | 869ad144d2c1dcd96d859a9ac4c40617dfc96588 /MdePkg/Library/BaseLib/Ia32/RShiftU64.asm | |
| parent | 741fb364170375f89aa9c29488cc402db07a3776 (diff) | |
| download | edk2-platforms-a9a812a0ed4ab3d83941fdc6da281aebdb9bb296.tar.xz | |
1. Added comments to ASM files
2. Fixed a bug in 64-bit AsmDisablePaging64(), which may cause a #GP exception.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2206 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/RShiftU64.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/RShiftU64.asm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/RShiftU64.asm b/MdePkg/Library/BaseLib/Ia32/RShiftU64.asm index 793a8f988f..faa4e96771 100644 --- a/MdePkg/Library/BaseLib/Ia32/RShiftU64.asm +++ b/MdePkg/Library/BaseLib/Ia32/RShiftU64.asm @@ -32,10 +32,10 @@ ; );
;------------------------------------------------------------------------------
InternalMathRShiftU64 PROC
- mov cl, [esp + 12]
+ mov cl, [esp + 12] ; cl <- Count
xor edx, edx
mov eax, [esp + 8]
- test cl, 32
+ test cl, 32 ; Count >= 32?
cmovz edx, eax
cmovz eax, [esp + 4]
shrd eax, edx, cl
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