about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-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;
 }