diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Math64.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/Math64.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/MdePkg/Library/BaseLib/Math64.c b/MdePkg/Library/BaseLib/Math64.c index 3312d789ac..514ae99020 100644 --- a/MdePkg/Library/BaseLib/Math64.c +++ b/MdePkg/Library/BaseLib/Math64.c @@ -85,10 +85,13 @@ InternalMathARShiftU64 ( IN UINTN Count
)
{
+ INTN TestValue;
+
//
// Test if this compiler supports arithmetic shift
//
- if ((((-1) << (sizeof (-1) * 8 - 1)) >> (sizeof (-1) * 8 - 1)) == -1) {
+ TestValue = (((-1) << (sizeof (-1) * 8 - 1)) >> (sizeof (-1) * 8 - 1));
+ if (TestValue == -1) {
//
// Arithmetic shift is supported
//
@@ -169,10 +172,13 @@ InternalMathSwapBytes64 ( IN UINT64 Operand
)
{
- return (UINT64)(
- ((UINT64)SwapBytes32 ((UINT32)Operand) << 32) |
- ((UINT64)SwapBytes32 ((UINT32)(Operand >> 32)))
- );
+ UINT64 LowerBytes;
+ UINT64 HigherBytes;
+
+ LowerBytes = (UINT64) SwapBytes32 ((UINT32) Operand);
+ HigherBytes = (UINT64) SwapBytes32 ((UINT32) (Operand >> 32));
+
+ return (LowerBytes << 32 | HigherBytes);
}
/**
|