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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-force-no-patching.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-force-no-patching.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c
new file mode 100644
index 0000000..cad6f2d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-mpatch-functions-for-instrumentation -mno-patch-functions-main-always" } */
+
+/* Even complicated functions shouldn't get patched if they have the
+ never_patch_for_instrumentation attribute. */
+
+/* { dg-final { scan-assembler-not ".byte\t0xeb,0x09(.*).byte\t0x90" } } */
+/* { dg-final { scan-assembler-not "ret(.*).byte\t0x90(.*).byte\t0x90" } } */
+
+__attribute__ ((never_patch_for_instrumentation))
+int foo () {
+ volatile unsigned x = 0;
+ volatile unsigned y = 1;
+ x += y;
+ x *= y;
+ while (++x)
+ foo ();
+ return y;
+}
+
+
+int main ()
+{
+ int x = 0;
+ return 0;
+}