gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-p-18.c

   1 /* Test __builtin_{add,sub,mul}_overflow_p.  */
   2 /* { dg-do run } */
   3 /* { dg-skip-if "" { ! run_expensive_tests }  { "*" } { "-O0" "-O2" } } */
   4
   5 #define OVFP
   6 #include "builtin-arith-overflow.h"
   7
   8 #ifdef __SIZEOF_INT128__
   9 #define WTYPE __int128
  10 #else
  11 #define WTYPE long long int
  12 #endif
  13
  14 #define TESTS \
  15 T (100, signed char, signed char, unsigned WTYPE, -1, 0, -1, add, 1) \
  16 T (101, unsigned char, unsigned char, unsigned WTYPE, 5, 5, 10, add, 0) \
  17 T (102, signed char, unsigned short, unsigned WTYPE, 5, 5, 0, sub, 0) \
  18 T (103, signed char, unsigned short, unsigned WTYPE, 5, 6, -1, sub, 1) \
  19 T (104, signed char, signed char, unsigned WTYPE, -1, -1, 1, mul, 0) \
  20 T (105, unsigned char, signed char, unsigned WTYPE, 17, -2, -34, mul, 1) \
  21 T (106, unsigned WTYPE, signed WTYPE, signed char, 5, -2, -10, mul, 0) \
  22 T (107, long long int, long long int, unsigned char, -3, 5, 2, add, 0) \
  23 T (108, long long int, int, unsigned char, -5, 3, -2, add, 1) \
  24 T (109, int, WTYPE, unsigned char, -3, 5, 2, add, 0) \
  25 T (110, unsigned char, unsigned char, unsigned WTYPE, SCHAR_MAX - 1, (unsigned char) SCHAR_MAX + 4, -5, sub, 1)
  26
  27 TESTS
  28
  29 #undef T
  30 #define T(n, t1, t2, tr, v1, v2, vr, b, o) t##n##b ();
  31
  32 int
  33 main ()
  34 {
  35   TESTS
  36   return 0;
  37 }