diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S index 3942faf1ad..d8681ebe6b 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S @@ -44,14 +44,14 @@ __condvar_cleanup: movq %rdi, %r8 movq 8(%rdi), %rdi movl $1, %esi + xorl %eax, %eax LOCK #if cond_lock == 0 - xaddl %esi, (%rdi) + cmpxchgl %esi, (%rdi) #else - xaddl %esi, cond_lock(%rdi) + cmpxchgl %esi, cond_lock(%rdi) #endif - testl %esi, %esi - je 1f + jz 1f #if cond_lock != 0 addq $cond_lock, %rdi @@ -125,13 +125,13 @@ __pthread_cond_wait: /* Get internal lock. */ movl $1, %esi + xorl %eax, %eax LOCK #if cond_lock == 0 - xaddl %esi, (%rdi) + cmpxchgl %esi, (%rdi) #else - xaddl %esi, cond_lock(%rdi) + cmpxchgl %esi, cond_lock(%rdi) #endif - testl %esi, %esi jne 1f /* Unlock the mutex. */ @@ -186,14 +186,14 @@ __pthread_cond_wait: /* Lock. */ movq 8(%rsp), %rdi movl $1, %esi + xorl %eax, %eax LOCK #if cond_lock == 0 - xaddl %esi, (%rdi) + cmpxchgl %esi, (%rdi) #else - xaddl %esi, cond_lock(%rdi) + cmpxchgl %esi, cond_lock(%rdi) #endif - testl %esi, %esi - jne 5f + jnz 5f 6: movq woken_seq(%rdi), %rax |