diff options
| author | Will Deacon <will.deacon@arm.com> | 2014-02-04 12:29:13 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-02-07 16:46:07 +0000 |
| commit | 95c4189689f92fba7ecf9097173404d4928c6e9b (patch) | |
| tree | a2abbb0b084fab81afc4f87ebe809bf03ffade12 /arch/arm64/include/asm/futex.h | |
| parent | 8e86f0b409a44193f1587e87b69c5dcf8f65be67 (diff) | |
| download | linux-95c4189689f92fba7ecf9097173404d4928c6e9b.tar.bz2 | |
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>
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 572193d0005d..5f750dc96e0f 100644 --- a/arch/arm64/include/asm/futex.h +++ b/arch/arm64/include/asm/futex.h @@ -41,7 +41,7 @@ " .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) @@ -129,7 +129,7 @@ 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; |