From b97ccf3d1ee694dd5ab6d3e7ae40addff461fbaa Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 21 Mar 2003 08:19:35 +0000 Subject: [PATCH] (__arch_compare_and_exchange_val_*_acq): Remove setne instruction. --- sysdeps/x86_64/bits/atomic.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h index 742f8b1..b98c25f 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; }) -- 2.7.4