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-rw-r--r--sysdeps/powerpc/nptl/pthread_spin_lock.c4
-rw-r--r--sysdeps/powerpc/nptl/pthread_spin_trylock.c4
-rw-r--r--sysdeps/powerpc/nptl/pthread_spin_unlock.c (renamed from sysdeps/unix/sysv/linux/powerpc/pthread_spin_unlock.c)3
3 files changed, 5 insertions, 6 deletions
diff --git a/sysdeps/powerpc/nptl/pthread_spin_lock.c b/sysdeps/powerpc/nptl/pthread_spin_lock.c
index d7d4cae6fa..fae7f7e0b9 100644
--- a/sysdeps/powerpc/nptl/pthread_spin_lock.c
+++ b/sysdeps/powerpc/nptl/pthread_spin_lock.c
@@ -24,12 +24,12 @@ pthread_spin_lock (pthread_spinlock_t *lock)
unsigned int __tmp;
asm volatile (
- "1: lwarx %0,0,%1\n"
+ "1: lwarx %0,0,%1" MUTEX_HINT_ACQ "\n"
" cmpwi 0,%0,0\n"
" bne- 2f\n"
" stwcx. %2,0,%1\n"
" bne- 2f\n"
- " isync\n"
+ __ARCH_ACQ_INSTR "\n"
" .subsection 1\n"
"2: lwzx %0,0,%1\n"
" cmpwi 0,%0,0\n"
diff --git a/sysdeps/powerpc/nptl/pthread_spin_trylock.c b/sysdeps/powerpc/nptl/pthread_spin_trylock.c
index c485aa4bf9..09791c36a8 100644
--- a/sysdeps/powerpc/nptl/pthread_spin_trylock.c
+++ b/sysdeps/powerpc/nptl/pthread_spin_trylock.c
@@ -25,13 +25,13 @@ 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)
diff --git a/sysdeps/unix/sysv/linux/powerpc/pthread_spin_unlock.c b/sysdeps/powerpc/nptl/pthread_spin_unlock.c
index 7af694f4ab..f830ad2880 100644
--- a/sysdeps/unix/sysv/linux/powerpc/pthread_spin_unlock.c
+++ b/sysdeps/powerpc/nptl/pthread_spin_unlock.c
@@ -22,7 +22,6 @@
int
pthread_spin_unlock (pthread_spinlock_t *lock)
{
- __asm __volatile (__ARCH_REL_INSTR ::: "memory");
- *lock = 0;
+ atomic_store_release (lock, 0);
return 0;
}