diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/LRotU64.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/LRotU64.asm | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/LRotU64.asm b/MdePkg/Library/BaseLib/Ia32/LRotU64.asm index 1d5562a799..a6437d868f 100644 --- a/MdePkg/Library/BaseLib/Ia32/LRotU64.asm +++ b/MdePkg/Library/BaseLib/Ia32/LRotU64.asm @@ -23,6 +23,14 @@ .model flat,C
.code
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathLRotU64 (
+; IN UINT64 Operand,
+; IN UINTN Count
+; );
+;------------------------------------------------------------------------------
InternalMathLRotU64 PROC USES ebx
mov cl, [esp + 16]
mov edx, [esp + 12]
@@ -31,7 +39,7 @@ InternalMathLRotU64 PROC USES ebx shld edx, eax, cl
ror ebx, cl
shld eax, ebx, cl
- test cl, 32
+ test cl, 32 ; Count >= 32?
cmovnz ecx, eax
cmovnz eax, edx
cmovnz edx, ecx
|