| /* { dg-do compile } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* { dg-options "-O -fno-pie -mno-vis3 -mno-vis4" } */ |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| bool my_uadd_overflow (uint64_t a, uint64_t b, uint64_t *res) |
| { |
| return __builtin_add_overflow (a, b, res); |
| } |
| |
| bool my_usub_overflow (uint64_t a, uint64_t b, uint64_t *res) |
| { |
| return __builtin_sub_overflow (a, b, res); |
| } |
| |
| bool my_uneg_overflow (uint64_t a, uint64_t *res) |
| { |
| return __builtin_sub_overflow (0, a, res); |
| } |
| |
| bool my_add_overflow (int64_t a, int64_t b, int64_t *res) |
| { |
| return __builtin_add_overflow (a, b, res); |
| } |
| |
| bool my_sub_overflow (int64_t a, int64_t b, int64_t *res) |
| { |
| return __builtin_sub_overflow (a, b, res); |
| } |
| |
| bool my_neg_overflow (int64_t a, int64_t *res) |
| { |
| return __builtin_sub_overflow (0, a, res); |
| } |
| |
| /* { dg-final { scan-assembler-times "addcc\t%" 2 } } */ |
| /* { dg-final { scan-assembler-times "subcc\t%" 4 } } */ |
| /* { dg-final { scan-assembler-times "movlu\t%" 1 } } */ |
| /* { dg-final { scan-assembler-times "blu" 2 } } */ |
| /* { dg-final { scan-assembler-times "bvs" 3 } } */ |
| /* { dg-final { scan-assembler-not "cmp\t%" } } */ |
| /* { dg-final { scan-assembler-not "save\t%" } } */ |
