gcc/testsuite/gcc.c-torture/execute/int-compare.c

   1 #include <limits.h>
   2
   3 gt (a, b)
   4 {
   5   return a > b;
   6 }
   7
   8 ge (a, b)
   9 {
  10   return a >= b;
  11 }
  12
  13 lt (a, b)
  14 {
  15   return a < b;
  16 }
  17
  18 le (a, b)
  19 {
  20   return a <= b;
  21 }
  22
  23 void
  24 true (c)
  25 {
  26   if (!c)
  27     abort();
  28 }
  29
  30 void
  31 false (c)
  32 {
  33   if (c)
  34     abort();
  35 }
  36
  37 f ()
  38 {
  39   true (gt (2, 1));
  40   false (gt (1, 2));
  41
  42   true (gt (INT_MAX, 0));
  43   false (gt (0, INT_MAX));
  44   true (gt (INT_MAX, 1));
  45   false (gt (1, INT_MAX));
  46
  47   false (gt (INT_MIN, 0));
  48   true (gt (0, INT_MIN));
  49   false (gt (INT_MIN, 1));
  50   true (gt (1, INT_MIN));
  51
  52   true (gt (INT_MAX, INT_MIN));
  53   false (gt (INT_MIN, INT_MAX));
  54
  55   true (ge (2, 1));
  56   false (ge (1, 2));
  57
  58   true (ge (INT_MAX, 0));
  59   false (ge (0, INT_MAX));
  60   true (ge (INT_MAX, 1));
  61   false (ge (1, INT_MAX));
  62
  63   false (ge (INT_MIN, 0));
  64   true (ge (0, INT_MIN));
  65   false (ge (INT_MIN, 1));
  66   true (ge (1, INT_MIN));
  67
  68   true (ge (INT_MAX, INT_MIN));
  69   false (ge (INT_MIN, INT_MAX));
  70
  71   false (lt (2, 1));
  72   true (lt (1, 2));
  73
  74   false (lt (INT_MAX, 0));
  75   true (lt (0, INT_MAX));
  76   false (lt (INT_MAX, 1));
  77   true (lt (1, INT_MAX));
  78
  79   true (lt (INT_MIN, 0));
  80   false (lt (0, INT_MIN));
  81   true (lt (INT_MIN, 1));
  82   false (lt (1, INT_MIN));
  83
  84   false (lt (INT_MAX, INT_MIN));
  85   true (lt (INT_MIN, INT_MAX));
  86
  87   false (le (2, 1));
  88   true (le (1, 2));
  89
  90   false (le (INT_MAX, 0));
  91   true (le (0, INT_MAX));
  92   false (le (INT_MAX, 1));
  93   true (le (1, INT_MAX));
  94
  95   true (le (INT_MIN, 0));
  96   false (le (0, INT_MIN));
  97   true (le (INT_MIN, 1));
  98   false (le (1, INT_MIN));
  99
 100   false (le (INT_MAX, INT_MIN));
 101   true (le (INT_MIN, INT_MAX));
 102 }
 103
 104 main ()
 105 {
 106   f ();
 107   exit (0);
 108 }