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| author | Ulrich Drepper <drepper@redhat.com> | 2003-03-21 08:19:35 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-21 08:19:35 +0000 |
| commit | b97ccf3d1ee694dd5ab6d3e7ae40addff461fbaa (patch) | |
| tree | 002db085bf6ace5e35b3483f7a80ae3268a0dd71 | |
| parent | 9f07eae2988388ffd0c652a4ec6d740df5795cab (diff) | |
| download | glibc-b97ccf3d1ee694dd5ab6d3e7ae40addff461fbaa.tar.gz glibc-b97ccf3d1ee694dd5ab6d3e7ae40addff461fbaa.tar.xz glibc-b97ccf3d1ee694dd5ab6d3e7ae40addff461fbaa.zip | |
(__arch_compare_and_exchange_val_*_acq): Remove setne instruction.
| -rw-r--r-- | sysdeps/x86_64/bits/atomic.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h index 742f8b1773..b98c25f1fe 100644 --- a/sysdeps/x86_64/bits/atomic.h +++ b/sysdeps/x86_64/bits/atomic.h @@ -57,28 +57,28 @@ typedef uintmax_t uatomic_max_t; #define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ ({ __typeof (*mem) ret; \ - __asm __volatile (LOCK "cmpxchgb %b2, %1; setne %0" \ + __asm __volatile (LOCK "cmpxchgb %b2, %1" \ : "=a" (ret), "=m" (*mem) \ : "q" (newval), "1" (*mem), "0" (oldval)); \ ret; }) #define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ ({ __typeof (*mem) ret; \ - __asm __volatile (LOCK "cmpxchgw %w2, %1; setne %0" \ + __asm __volatile (LOCK "cmpxchgw %w2, %1" \ : "=a" (ret), "=m" (*mem) \ : "r" (newval), "1" (*mem), "0" (oldval)); \ ret; }) #define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ ({ __typeof (*mem) ret; \ - __asm __volatile (LOCK "cmpxchgl %2, %1; setne %0" \ + __asm __volatile (LOCK "cmpxchgl %2, %1" \ : "=a" (ret), "=m" (*mem) \ : "r" (newval), "1" (*mem), "0" (oldval)); \ ret; }) #define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ ({ __typeof (*mem) ret; \ - __asm __volatile (LOCK "cmpxchgq %q2, %1; setne %0" \ + __asm __volatile (LOCK "cmpxchgq %q2, %1" \ : "=a" (ret), "=m" (*mem) \ : "r" (newval), "1" (*mem), "0" (oldval)); \ ret; }) |