diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/atomic-op-optimize.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.dg/atomic-op-optimize.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/atomic-op-optimize.c b/gcc-4.8/gcc/testsuite/gcc.dg/atomic-op-optimize.c deleted file mode 100644 index d2e960a0c..000000000 --- a/gcc-4.8/gcc/testsuite/gcc.dg/atomic-op-optimize.c +++ /dev/null @@ -1,20 +0,0 @@ -/* Both these atomic operations should be optimized to an exchange operation. - Test that it at happens on x86 by making sure there are 2 xchg's and no - compare_exchange loop. */ - -/* { dg-require-effective-target sync_int_long } */ -/* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ -/* { dg-final { scan-assembler-times "cmpxchg" 0 } } */ -/* { dg-final { scan-assembler-times "xchg" 2 } } */ - -int x; - -int f() -{ - return __atomic_fetch_and (&x, 0, __ATOMIC_RELAXED); -} - -int g() -{ - return __atomic_fetch_or (&x, -1, __ATOMIC_RELAXED); -} |