aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/gcc.dg/ia64-sync-4.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ia64-sync-4.c b/gcc/testsuite/gcc.dg/ia64-sync-4.c
new file mode 100644
index 0000000..98dfdac
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ia64-sync-4.c
@@ -0,0 +1,21 @@
+/* { dg-do compile { target ia64-*-* } } */
+/* { dg-options "-O2 -finline-functions" } */
+
+/* Test inlining __sync_bool_compare_and_swap_di. */
+
+#include <stdbool.h>
+#include <ia64intrin.h>
+
+static bool
+compare_and_swap(long *addr, long old, long new_val)
+{
+ return __sync_bool_compare_and_swap_di(addr, old, new_val);
+}
+
+void
+foo (long *address)
+{
+ long he_address = *address & ~1;
+ while (!compare_and_swap(address, he_address, he_address | 1))
+ he_address = *address & ~1;
+}