diff options
author | Rabin Vincent <rabin@rab.in> | 2011-01-12 08:38:52 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-12 09:22:25 -0500 |
commit | e163d529ad7ab449db36ee88dab16170de711f34 (patch) | |
tree | d930e21edf1b5992066a9734524218eaa1f4bd24 | |
parent | 22eeb8f6e0214a83ac6958a29a83572137f174bb (diff) |
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>
-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 338ff19ae447..7b1bb2bbaf88 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) | |||
285 | if (__builtin_constant_p(x)) | 285 | if (__builtin_constant_p(x)) |
286 | return constant_fls(x); | 286 | return constant_fls(x); |
287 | 287 | ||
288 | asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc"); | 288 | asm("clz\t%0, %1" : "=r" (ret) : "r" (x)); |
289 | ret = 32 - ret; | 289 | ret = 32 - ret; |
290 | return ret; | 290 | return ret; |
291 | } | 291 | } |