1 files changed, 9 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/hle-cmpxchg-acq-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/hle-cmpxchg-acq-1.c
new file mode 100644
index 000000000..cea7c09ae
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/hle-cmpxchg-acq-1.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-march=x86-64 -mhle" } */
+/* { dg-final { scan-assembler "lock;?\[ \n\t\]+\(xacquire\|\.byte\[ \t\]+0xf2\)\[ \t\n\]+cmpxchg" } } */
+
+int
+hle_cmpxchg (int *p, int oldv, int newv)
+{
+  return __atomic_compare_exchange_n (p, &oldv, newv, 0, __ATOMIC_ACQUIRE | __ATOMIC_HLE_ACQUIRE, __ATOMIC_ACQUIRE);
+}