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authorBen Cheng <bccheng@google.com>2012-10-01 10:30:31 -0700
committerBen Cheng <bccheng@google.com>2012-10-01 10:30:31 -0700
commit82bcbebce43f0227f506d75a5b764b6847041bae (patch)
treefe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/gcc/testsuite/gcc.target/i386/pr39431.c
parent3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff)
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Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/gcc/testsuite/gcc.target/i386/pr39431.c')
-rw-r--r--gcc-4.7/gcc/testsuite/gcc.target/i386/pr39431.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.7/gcc/testsuite/gcc.target/i386/pr39431.c b/gcc-4.7/gcc/testsuite/gcc.target/i386/pr39431.c
new file mode 100644
index 000000000..0db7d5643
--- /dev/null
+++ b/gcc-4.7/gcc/testsuite/gcc.target/i386/pr39431.c
@@ -0,0 +1,15 @@
+/* PR target/39431 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -march=i686 -fpic" { target { ia32 && fpic } } } */
+
+extern void bar (char *, int);
+
+int
+foo (long long *p, long long oldv, long long *q, int n)
+{
+ char buf[n];
+ bar (buf, n);
+ p[256 + n] = __sync_val_compare_and_swap (p + n, oldv, oldv + 6);
+ return __sync_bool_compare_and_swap (q + n, oldv, oldv + 8);
+}