diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/GetPowerOfTwo64.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/GetPowerOfTwo64.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseLib/GetPowerOfTwo64.c b/MdePkg/Library/BaseLib/GetPowerOfTwo64.c index 8372a7f136..52d148c924 100644 --- a/MdePkg/Library/BaseLib/GetPowerOfTwo64.c +++ b/MdePkg/Library/BaseLib/GetPowerOfTwo64.c @@ -33,8 +33,9 @@ GetPowerOfTwo64 ( IN UINT64 Operand
)
{
- INTN BitPos;
+ if (Operand == 0) {
+ return 0;
+ }
- BitPos = HighBitSet64 (Operand);
- return BitPos >= 0 ? LShiftU64 (1, BitPos) : 0;
+ return LShiftU64 (1, HighBitSet64 (Operand));
}
|