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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-03-26 15:24:35 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-03-26 15:24:23 +0100 |
| commit | e13ed9b2704487e98d9241282765869fbd9a2dda (patch) | |
| tree | 31a3ec36abace250cb23bce0fce70ae6ec7d256b /arch/s390/include | |
| parent | [S390] remove duplicate nul-termination of string (diff) | |
| download | linux-e13ed9b2704487e98d9241282765869fbd9a2dda.tar.xz linux-e13ed9b2704487e98d9241282765869fbd9a2dda.zip | |
[S390] bitops: remove likely annotations
likely/unlikely profiling revealed that none of the branches in bitops
is taken likely or unlikely. So remove the annotations.
In addition the generated code is shorter.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/bitops.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index 334964a0fb14..b30606f6d523 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -525,16 +525,16 @@ static inline unsigned long __ffs_word_loop(const unsigned long *addr, static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) { #ifdef __s390x__ - if (likely((word & 0xffffffff) == 0xffffffff)) { + if ((word & 0xffffffff) == 0xffffffff) { word >>= 32; nr += 32; } #endif - if (likely((word & 0xffff) == 0xffff)) { + if ((word & 0xffff) == 0xffff) { word >>= 16; nr += 16; } - if (likely((word & 0xff) == 0xff)) { + if ((word & 0xff) == 0xff) { word >>= 8; nr += 8; } @@ -549,16 +549,16 @@ static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) static inline unsigned long __ffs_word(unsigned long nr, unsigned long word) { #ifdef __s390x__ - if (likely((word & 0xffffffff) == 0)) { + if ((word & 0xffffffff) == 0) { word >>= 32; nr += 32; } #endif - if (likely((word & 0xffff) == 0)) { + if ((word & 0xffff) == 0) { word >>= 16; nr += 16; } - if (likely((word & 0xff) == 0)) { + if ((word & 0xff) == 0) { word >>= 8; nr += 8; } |