diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/add-mul-overflow-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/add-mul-overflow-1.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/add-mul-overflow-1.c b/gcc/testsuite/gcc.dg/add-mul-overflow-1.c new file mode 100644 index 0000000..b23cddd --- /dev/null +++ b/gcc/testsuite/gcc.dg/add-mul-overflow-1.c @@ -0,0 +1,28 @@ +/* { dg-options "-O -fdump-tree-optimized" } */ + +int res[4]; + +void +f1 (int x, int y) +{ + res[2] = __builtin_add_overflow (x, y, res + 0); + res[3] = __builtin_add_overflow (y, x, res + 1); +} + +void +f2 (int x, int y) +{ + res[2] = __builtin_sub_overflow (x, y, res + 0); + res[3] = __builtin_sub_overflow (y, x, res + 1); +} + +void +f3 (int x, int y) +{ + res[2] = __builtin_mul_overflow (x, y, res + 0); + res[3] = __builtin_mul_overflow (y, x, res + 1); +} + +/* { dg-final { scan-tree-dump-times {\.ADD_OVERFLOW} 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times {\.SUB_OVERFLOW} 2 "optimized" } } */ +/* { dg-final { scan-tree-dump-times {\.MUL_OVERFLOW} 1 "optimized" } } */ |