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authorBen Cheng <bccheng@google.com>2013-03-28 11:14:20 -0700
committerBen Cheng <bccheng@google.com>2013-03-28 12:40:33 -0700
commitaf0c51ac87ab2a87caa03fa108f0d164987a2764 (patch)
tree4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/gcc.dg/pr50078.c
parentd87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff)
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[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/pr50078.c')
-rw-r--r--gcc-4.8/gcc/testsuite/gcc.dg/pr50078.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/pr50078.c b/gcc-4.8/gcc/testsuite/gcc.dg/pr50078.c
new file mode 100644
index 000000000..a8aee43fb
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.dg/pr50078.c
@@ -0,0 +1,14 @@
+/* PR tree-optimization/50078 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+unsigned nonvolvar[2];
+
+void
+test (int arg)
+{
+ unsigned v = *(volatile unsigned *) (&nonvolvar[arg]);
+ *(volatile unsigned *) (&nonvolvar[arg]) = v;
+}
+
+/* { dg-final { scan-assembler-times "movl\[^\n\r\]*nonvolvar" 2 { target { { i?86-*-* x86_64-*-* } && nonpic } } } } */