From 38a8aecfb882072900434499696b5c32a2274515 Mon Sep 17 00:00:00 2001 From: Rong Xu Date: Mon, 21 Jul 2014 16:47:22 -0700 Subject: [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 --- .../i386/patch-functions-force-no-patching.c | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c') 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 000000000..cad6f2da6 --- /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; +} -- cgit v1.2.3