/* { dg-do compile } */ /* { dg-options "-O2" } */ /* { dg-require-effective-target arm32 } */ extern void overflow_handler (); unsigned long overflow_add (unsigned long x, unsigned long y) { unsigned long r; int ovr = __builtin_uaddl_overflow (x, y, &r); if (ovr) overflow_handler (); return r; } /* { dg-final { scan-assembler "adds" } } */