gcc/testsuite/gcc.dg/bitint-108.c

   1 /* PR middle-end/115887 */
   2 /* { dg-do compile { target { bitint && int128 } } } */
   3 /* { dg-options "-O -fnon-call-exceptions -finstrument-functions -w" } */
   4
   5 float f;
   6 #if __BITINT_MAXWIDTH__ >= 1024
   7 #define N1024 1024
   8 #define N127 127
   9 #define N256 256
  10 #else
  11 #define N1024 64
  12 #define N127 64
  13 #define N256 64
  14 #endif
  15
  16 _BitInt(N1024) a;
  17
  18 static inline void
  19 bar (_BitInt(N127) b, _BitInt(N256) c, int,
  20      int, int, int, int, int, int, int, int,
  21      int, int, int, int, int, int, int, int,
  22      int *)
  23 {
  24   b %= 0;
  25   do
  26     c -= *(short *) 0;
  27   while (__builtin_add_overflow_p (a, 0, 0));
  28   __int128 d = b + c + f;
  29 }
  30
  31 void
  32 foo (void)
  33 {
  34   int x;
  35   bar (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &x);
  36   while (x)
  37     ;
  38 }