diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S index 8248b3b415..1a3a3485da 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S @@ -41,13 +41,13 @@ __pthread_cond_signal: mov r4, r8 /* Get internal lock. */ - mov #1, r3 + mov #0, r3 + mov #1, r4 #if cond_lock != 0 - XADD (r3, @(cond_lock,r8), r2) + CMPXCHG (r3, @(cond_lock,r8), r4, r2) #else - XADD (r3, @r8, r2) + CMPXCHG (r3, @r8, r4, r2) #endif - tst r2, r2 bf 1f 2: mov.l @(total_seq+4,r8),r0 @@ -73,28 +73,15 @@ __pthread_cond_signal: mov.l r0,@(wakeup_seq,r8) mov.l r1,@(wakeup_seq+4,r8) + /* Wake up one thread by moving it to the internal lock futex. */ mov r8, r4 add #wakeup_seq, r4 -#ifdef __ASSUME_FUTEX_REQUEUE - /* Wake up one thread by moving it to the internal lock futex. */ - mov #FUTEX_REQUEUE, r5 - mov #0, r6 - mov #1, r7 - mov r8, r0 -# if cond_lock != 0 - add #cond_lock, r0 -# endif - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x15 -#else mov #FUTEX_WAKE, r5 mov #1, r6 mov #0, r7 mov #SYS_futex, r3 extu.b r3, r3 trapa #0x14 -#endif SYSCALL_INST_PAD 4: |