| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| extern void overflow_handler (); | |
| unsigned __int128 overflow_sub (unsigned __int128 x, unsigned __int128 y) | |
| { | |
| unsigned __int128 r; | |
| int ovr = __builtin_sub_overflow (x, y, &r); | |
| if (ovr) | |
| overflow_handler (); | |
| return r; | |
| } | |
| /* { dg-final { scan-assembler "subs" } } */ | |
| /* { dg-final { scan-assembler "sbcs" } } */ |