gcc/testsuite/gcc.dg/bitint-54.c

   1 /* PR tree-optimization/113003 */
   2 /* { dg-do compile { target bitint } } */
   3 /* { dg-options "-std=c23 -O2" } */
   4
   5 #if __BITINT_MAXWIDTH__ >= 131
   6 int
   7 foo (_BitInt(7) x)
   8 {
   9   return __builtin_mul_overflow_p (x, 1046555807606105294475452482332716433408wb, 0);
  10 }
  11
  12 #ifdef __SIZEOF_INT128__
  13 int
  14 bar (unsigned __int128 x)
  15 {
  16   return __builtin_sub_overflow_p (340282366920938463463374607431768211457uwb, x, 0);
  17 }
  18 #endif
  19 #else
  20 int i;
  21 #endif