gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-6.c

   1 /* Test __builtin_{add,sub,mul}_overflow.  */
   2 /* { dg-do run { target int128 } } */
   3 /* { dg-skip-if "" { ! run_expensive_tests }  { "*" } { "-O0" "-O2" } } */
   4
   5 #include "builtin-arith-overflow-1.h"
   6
   7 #define INT128_MAX ((signed __int128) (((unsigned __int128) 1 << (__SIZEOF_INT128__ * __CHAR_BIT__ - 1)) - 1))
   8 #define INT128_MIN (-INT128_MAX - 1)
   9
  10 #define U(s, op) op
  11 TESTS (__int128, INT128_MIN, INT128_MAX)
  12
  13 #undef T
  14 #define T(n, t1, t2, tr, v1, v2, vr, b, o) t##n##b ();
  15
  16 int
  17 main ()
  18 {
  19   TESTS (__int128, INT128_MIN, INT128_MAX)
  20   return 0;
  21 }