aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/include/storage/barrier.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/include/storage/barrier.h b/src/include/storage/barrier.h
index 5df3ab1a841..16a9a0c3cfb 100644
--- a/src/include/storage/barrier.h
+++ b/src/include/storage/barrier.h
@@ -55,7 +55,7 @@ extern slock_t dummy_spinlock;
*/
#if defined(__ia64__) || defined(__ia64)
#define pg_memory_barrier() __mf()
-#else if defined(__i386__) || defined(__x86_64__)
+#elif defined(__i386__) || defined(__x86_64__)
#define pg_memory_barrier() _mm_mfence()
#endif
@@ -119,6 +119,10 @@ extern slock_t dummy_spinlock;
#define pg_memory_barrier() __asm__ __volatile__ ("mb" : : : "memory")
#define pg_read_barrier() __asm__ __volatile__ ("rmb" : : : "memory")
#define pg_write_barrier() __asm__ __volatile__ ("wmb" : : : "memory")
+#elif defined(__hppa) || defined(__hppa__) /* HP PA-RISC */
+
+/* HPPA doesn't do either read or write reordering */
+#define pg_memory_barrier() pg_compiler_barrier()
#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
/*
@@ -153,7 +157,7 @@ extern slock_t dummy_spinlock;
* fence. But all of our actual implementations seem OK in this regard.
*/
#if !defined(pg_memory_barrier)
-#define pg_memory_barrier(x) \
+#define pg_memory_barrier() \
do { S_LOCK(&dummy_spinlock); S_UNLOCK(&dummy_spinlock); } while (0)
#endif