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authorRong Xu <xur@google.com>2014-07-21 23:47:22 (GMT)
committerRong Xu <xur@google.com>2014-07-29 22:31:03 (GMT)
commit38a8aecfb882072900434499696b5c32a2274515 (patch)
tree2aac97f0ae24b03cd98c1a06e989c031c173f889 /gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-1.c
parentc231900e5dcc14d8296bd9f62b45997a49d4d5e7 (diff)
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[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.
This source drop uses svn version r212828 of google/gcc-4.9 branch. We also cherry-picked r213062, r213063 and r213064 to fix windows build issues. All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9. The following prior commits has not been merged to google branch yet. (They are included in this commit). e7af147f979e657fe2df00808e5b4319b0e088c6, baf87df3cb2683649ba7e9872362a7e721117c23, and c231900e5dcc14d8296bd9f62b45997a49d4d5e7. Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-1.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-1.c
new file mode 100644
index 0000000..aa1f424
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-1.c
@@ -0,0 +1,23 @@
+/* Verify -mpatch-functions-for-instrumentation works. */
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-mpatch-functions-for-instrumentation" } */
+
+/* Check nop-bytes at beginning. */
+/* { dg-final { scan-assembler ".byte\t0xeb,0x09(.*).byte\t0x90" } } */
+/* Check nop-bytes at end. */
+/* { dg-final { scan-assembler "ret(.*).byte\t0x90(.*).byte\t0x90" } } */
+
+__attribute__ ((noinline))
+void foo()
+{
+ /* Dummy loop. */
+ int x = 0;
+ while (++x);
+}
+
+int main()
+{
+ foo();
+ return 0;
+}