diff options
Diffstat (limited to 'sysdeps/powerpc/nptl/pthread_spin_trylock.c')
| -rw-r--r-- | sysdeps/powerpc/nptl/pthread_spin_trylock.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sysdeps/powerpc/nptl/pthread_spin_trylock.c b/sysdeps/powerpc/nptl/pthread_spin_trylock.c index 77a46152ef..da31220725 100644 --- a/sysdeps/powerpc/nptl/pthread_spin_trylock.c +++ b/sysdeps/powerpc/nptl/pthread_spin_trylock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003-2015 Free Software Foundation, Inc. +/* Copyright (C) 2003-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. @@ -20,19 +20,18 @@ #include "pthreadP.h" int -pthread_spin_trylock (lock) - pthread_spinlock_t *lock; +pthread_spin_trylock (pthread_spinlock_t *lock) { unsigned int old; int err = EBUSY; - asm ("1: lwarx %0,0,%2\n" + asm ("1: lwarx %0,0,%2" MUTEX_HINT_ACQ "\n" " cmpwi 0,%0,0\n" " bne 2f\n" " stwcx. %3,0,%2\n" " bne- 1b\n" " li %1,0\n" - " isync\n" + __ARCH_ACQ_INSTR "\n" "2: " : "=&r" (old), "=&r" (err) : "r" (lock), "r" (1), "1" (err) |