| /* { dg-do compile } */ |
| /* { dg-options "-O2" } */ |
| |
| #include <stdbool.h> |
| |
| bool my_uadd_overflow (unsigned short a, unsigned short b, unsigned short *res) |
| { |
| return __builtin_add_overflow (a, b, res); |
| } |
| |
| bool my_usub_overflow (unsigned short a, unsigned short b, unsigned short *res) |
| { |
| return __builtin_sub_overflow (a, b, res); |
| } |
| |
| bool my_uneg_overflow (unsigned short a, unsigned short *res) |
| { |
| return __builtin_sub_overflow (0, a, res); |
| } |
| |
| bool my_add_overflow (short a, short b, short *res) |
| { |
| return __builtin_add_overflow (a, b, res); |
| } |
| |
| bool my_sub_overflow (short a, short b, short *res) |
| { |
| return __builtin_sub_overflow (a, b, res); |
| } |
| |
| bool my_neg_overflow (short a, short *res) |
| { |
| return __builtin_sub_overflow (0, a, res); |
| } |
| |
| /* { dg-final { scan-assembler-times "add.w" 2 } } */ |
| /* { dg-final { scan-assembler-times "sub.w" 4 } } */ |
| /* { dg-final { scan-assembler-not "cmp.w" } } */ |
