From 7dbdaf87da09ca1b3ff501d0a89ea28463b541bb Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gcc.gnu.org>
Date: Tue, 10 Sep 2013 18:08:57 +0930
Subject: [PATCH] re PR target/58330 (powerpc64 atomic store split in two)

PR target/58330
oops, missed from commit

From-SVN: r202428
---
 gcc/testsuite/gcc.target/powerpc/pr58330.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/powerpc/pr58330.c

diff --git a/gcc/testsuite/gcc.target/powerpc/pr58330.c b/gcc/testsuite/gcc.target/powerpc/pr58330.c
new file mode 100644
index 00000000000..76983dd55ab
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr58330.c
@@ -0,0 +1,11 @@
+/* { dg-do compile { target { powerpc*-*-* } } } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O -mno-popcntb" } */
+/* { dg-final { scan-assembler-not "stwbrx" } } */
+
+void
+write_reverse (unsigned long *addr, unsigned long val)
+{
+  unsigned long reverse = __builtin_bswap64 (val);
+  __atomic_store_n (addr, reverse, __ATOMIC_RELAXED);
+}
-- 
2.11.4.GIT