diff options
| author | Rabin Vincent <rabin@rab.in> | 2011-01-12 13:38:52 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-12 14:22:25 (GMT) |
| commit | e163d529ad7ab449db36ee88dab16170de711f34 (patch) | |
| tree | d930e21edf1b5992066a9734524218eaa1f4bd24 /arch/arm | |
| parent | 22eeb8f6e0214a83ac6958a29a83572137f174bb (diff) | |
| download | linux-fsl-qoriq-e163d529ad7ab449db36ee88dab16170de711f34.tar.xz | |
ARM: 6621/1: bitops: remove condition code clobber for CLZ
The CLZ instruction does not alter the condition flags, so remove the
"cc" clobber from the inline asm for fls().
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/bitops.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h index 338ff19..7b1bb2b 100644 --- a/arch/arm/include/asm/bitops.h +++ b/arch/arm/include/asm/bitops.h @@ -285,7 +285,7 @@ static inline int fls(int x) if (__builtin_constant_p(x)) return constant_fls(x); - asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc"); + asm("clz\t%0, %1" : "=r" (ret) : "r" (x)); ret = 32 - ret; return ret; } |