Commit e163d529 authored by Rabin Vincent's avatar Rabin Vincent Committed by Russell King

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: default avatarNicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: default avatarRabin Vincent <rabin@rab.in>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 22eeb8f6
......@@ -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;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment