diff options
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.c | 23 |
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 000000000..aa1f424c8 --- /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; +} |