gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-9.c

   1 /* Test __builtin_{add,sub}_overflow on {,un}signed int.  */
   2 /* { dg-do run } */
   3 /* { dg-skip-if "" { ! run_expensive_tests }  { "*" } { "-O0" "-O2" } } */
   4
   5 typedef signed int S;
   6 typedef unsigned int U;
   7 #define COND 1
   8 #define SHIFT ((__SIZEOF_INT__ - 1) * __CHAR_BIT__)
   9 #define S_MAX __INT_MAX__
  10 #define S_MIN (-__INT_MAX__ - 1)
  11 #if __SIZEOF_LONG__ > __SIZEOF_INT__
  12 typedef long int W;
  13 #elif __SIZEOF_LONG_LONG__ > __SIZEOF_INT__
  14 typedef long long int W;
  15 #elif __SIZEOF_INT128__ > __SIZEOF_INT__
  16 typedef __int128 W;
  17 #else
  18 #undef COND
  19 #define COND 0
  20 #endif
  21 #include "builtin-arith-overflow-7.c"