diff options
| author | Will Deacon <will.deacon@arm.com> | 2014-02-04 12:29:13 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-05-21 15:58:44 +0100 |
| commit | 8d0390d596f62f74c324aa627f4df56c2481f757 (patch) | |
| tree | d6b6d1ca68a9d8b7ec6029b9d705f7e8338e22e6 /arch/arm64/include/asm/futex.h | |
| parent | a268cb19ce04497bd27da6e8e8fd02ebc5d4c347 (diff) | |
arm64: asm: remove redundant "cc" clobbers
cbnz/tbnz don't update the condition flags, so remove the "cc" clobbers
from inline asm blocks that only use these instructions to implement
conditional branches.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 95c4189689f92fba7ecf9097173404d4928c6e9b)
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'arch/arm64/include/asm/futex.h')
| -rw-r--r-- | arch/arm64/include/asm/futex.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h index 78cc3aba5d69..6230baba7869 100644 --- a/arch/arm64/include/asm/futex.h +++ b/arch/arm64/include/asm/futex.h @@ -40,7 +40,7 @@ " .popsection\n" \ : "=&r" (ret), "=&r" (oldval), "+Q" (*uaddr), "=&r" (tmp) \ : "r" (oparg), "Ir" (-EFAULT) \ - : "cc", "memory") + : "memory") static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) @@ -127,7 +127,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, " .popsection\n" : "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp) : "r" (oldval), "r" (newval), "Ir" (-EFAULT) - : "cc", "memory"); + : "memory"); *uval = val; return ret; |