diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/atomic-load-5.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/atomic-load-5.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/atomic-load-5.c b/gcc-4.9/gcc/testsuite/gcc.dg/atomic-load-5.c new file mode 100644 index 000000000..d37d64248 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/atomic-load-5.c @@ -0,0 +1,66 @@ +/* Test __atomic routines for existence and proper execution on 16 byte + values with each valid memory model. */ +/* { dg-do run } */ +/* { dg-require-effective-target sync_int_128_runtime } */ +/* { dg-options "-mcx16" { target { i?86-*-* x86_64-*-* } } } */ + +extern void abort(void); + +__int128_t v, count; + +int +main () +{ + v = 0; + count = 0; + + if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++) + abort(); + else + v++; + + if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++) + abort(); + else + v++; + + if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++) + abort(); + else + v++; + + if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++) + abort(); + else + v++; + + /* Now test the generic variants. */ + + __atomic_load (&v, &count, __ATOMIC_RELAXED); + if (count != v) + abort(); + else + v++; + + __atomic_load (&v, &count, __ATOMIC_ACQUIRE); + if (count != v) + abort(); + else + v++; + + __atomic_load (&v, &count, __ATOMIC_CONSUME); + if (count != v) + abort(); + else + v++; + + __atomic_load (&v, &count, __ATOMIC_SEQ_CST); + if (count != v) + abort(); + else + v++; + + + return 0; +} + |