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| author | Tanner Gooding <tagoo@outlook.com> | 2018-09-17 15:15:43 -0700 |
|---|---|---|
| committer | Tanner Gooding <tagoo@outlook.com> | 2018-09-20 13:12:46 -0700 |
| commit | cee8cc77e91f5a2c249da29b95f3ee0d10bbed7a (patch) | |
| tree | 026981caaf5445c6e132f622907dbdc300d98e39 | |
| parent | 77daa1a1b3aab5dba05893b7e3c216ff266823e2 (diff) | |
| download | coreclr-cee8cc77e91f5a2c249da29b95f3ee0d10bbed7a.tar.gz coreclr-cee8cc77e91f5a2c249da29b95f3ee0d10bbed7a.tar.bz2 coreclr-cee8cc77e91f5a2c249da29b95f3ee0d10bbed7a.zip | |
Removing BitScanReverse from pal.h
| -rw-r--r-- | src/pal/inc/pal.h | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src/pal/inc/pal.h b/src/pal/inc/pal.h index 2d0c47177b..075f58a9eb 100644 --- a/src/pal/inc/pal.h +++ b/src/pal/inc/pal.h @@ -3303,52 +3303,6 @@ BitScanForward64( return bRet; } -// Define BitScanReverse64 and BitScanReverse -// Per MSDN, BitScanReverse64 or BitScanReverse will search the mask data from most significant bit (MSB) -// to least significant bit (LSB) for a set bit (1). -// If one is found, its bit position is returned in the out PDWORD argument and 1 is returned. -// Otherwise, 0 is returned. -// -// On GCC, the equivalent function is __builtin_clzll or __builtin_clz. It returns 1+index of the most -// significant set bit, or undefined result if mask is zero. -EXTERN_C -PALIMPORT -inline -unsigned char -PALAPI -BitScanReverse( - IN OUT PDWORD Index, - IN UINT qwMask) -{ - unsigned char bRet = FALSE; - if (qwMask != 0) - { - *Index = (UINT) (8 * sizeof (UINT) - __builtin_clz(qwMask) - 1); - bRet = TRUE; - } - - return bRet; -} - -EXTERN_C -PALIMPORT -inline -unsigned char -PALAPI -BitScanReverse64( - IN OUT PDWORD Index, - IN UINT64 qwMask) -{ - unsigned char bRet = FALSE; - if (qwMask != 0) - { - *Index = (UINT) (8 * sizeof (UINT64) - __builtin_clzll(qwMask) - 1); - bRet = TRUE; - } - - return bRet; -} - FORCEINLINE void PAL_ArmInterlockedOperationBarrier() { #ifdef _ARM64_ |