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