diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-4.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-4.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-4.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-4.c new file mode 100644 index 000000000..7a031d796 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-4.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target lp64 } */ +/* { dg-options "-mpatch-functions-for-instrumentation -mpatch-functions-ignore-loops -mno-patch-functions-main-always" } */ + +/* Function is too small to be patched when ignoring the loop. + Check there aren't any nop-bytes at beginning and end of function. */ + +/* { dg-final { scan-assembler-not ".byte\t0xeb,0x09(.*).byte\t0x90" } } */ +/* { dg-final { scan-assembler-not "ret(.*).byte\t0x90(.*).byte\t0x90" } } */ + +__attribute__ ((noinline)) +void foo() +{ + int x = 0; + while (++x); +} + +int main() +{ + foo(); + return 0; +} |