gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-8.c

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