gcc/testsuite/gcc.dg/torture/bitint-59.c

   1 /* PR tree-optimization/114038 */
   2 /* { dg-do run { target bitint } } */
   3 /* { dg-options "-std=c23 -pedantic-errors" } */
   4 /* { dg-skip-if "" { ! run_expensive_tests }  { "*" } { "-O0" "-O2" } } */
   5 /* { dg-skip-if "" { ! run_expensive_tests } { "-flto" } { "" } } */
   6
   7 #if __BITINT_MAXWIDTH__ >= 129
   8 int
   9 foo (unsigned _BitInt(63) x, unsigned _BitInt(129) y)
  10 {
  11   return __builtin_mul_overflow_p (y, x, 0);
  12 }
  13 #endif
  14
  15 int
  16 main ()
  17 {
  18 #if __BITINT_MAXWIDTH__ >= 129
  19   if (!foo (90, 0x80000000000000000000000000000000uwb))
  20     __builtin_abort ();
  21 #endif
  22 }