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

   1 /* { dg-additional-options "-std=gnu89" } */
   2
   3 #include <limits.h>
   4
   5 gt (a, b)
   6 {
   7   return a > b;
   8 }
   9
  10 ge (a, b)
  11 {
  12   return a >= b;
  13 }
  14
  15 lt (a, b)
  16 {
  17   return a < b;
  18 }
  19
  20 le (a, b)
  21 {
  22   return a <= b;
  23 }
  24
  25 void
  26 true (c)
  27 {
  28   if (!c)
  29     abort();
  30 }
  31
  32 void
  33 false (c)
  34 {
  35   if (c)
  36     abort();
  37 }
  38
  39 f ()
  40 {
  41   true (gt (2, 1));
  42   false (gt (1, 2));
  43
  44   true (gt (INT_MAX, 0));
  45   false (gt (0, INT_MAX));
  46   true (gt (INT_MAX, 1));
  47   false (gt (1, INT_MAX));
  48
  49   false (gt (INT_MIN, 0));
  50   true (gt (0, INT_MIN));
  51   false (gt (INT_MIN, 1));
  52   true (gt (1, INT_MIN));
  53
  54   true (gt (INT_MAX, INT_MIN));
  55   false (gt (INT_MIN, INT_MAX));
  56
  57   true (ge (2, 1));
  58   false (ge (1, 2));
  59
  60   true (ge (INT_MAX, 0));
  61   false (ge (0, INT_MAX));
  62   true (ge (INT_MAX, 1));
  63   false (ge (1, INT_MAX));
  64
  65   false (ge (INT_MIN, 0));
  66   true (ge (0, INT_MIN));
  67   false (ge (INT_MIN, 1));
  68   true (ge (1, INT_MIN));
  69
  70   true (ge (INT_MAX, INT_MIN));
  71   false (ge (INT_MIN, INT_MAX));
  72
  73   false (lt (2, 1));
  74   true (lt (1, 2));
  75
  76   false (lt (INT_MAX, 0));
  77   true (lt (0, INT_MAX));
  78   false (lt (INT_MAX, 1));
  79   true (lt (1, INT_MAX));
  80
  81   true (lt (INT_MIN, 0));
  82   false (lt (0, INT_MIN));
  83   true (lt (INT_MIN, 1));
  84   false (lt (1, INT_MIN));
  85
  86   false (lt (INT_MAX, INT_MIN));
  87   true (lt (INT_MIN, INT_MAX));
  88
  89   false (le (2, 1));
  90   true (le (1, 2));
  91
  92   false (le (INT_MAX, 0));
  93   true (le (0, INT_MAX));
  94   false (le (INT_MAX, 1));
  95   true (le (1, INT_MAX));
  96
  97   true (le (INT_MIN, 0));
  98   false (le (0, INT_MIN));
  99   true (le (INT_MIN, 1));
 100   false (le (1, INT_MIN));
 101
 102   false (le (INT_MAX, INT_MIN));
 103   true (le (INT_MIN, INT_MAX));
 104 }
 105
 106 main ()
 107 {
 108   f ();
 109   exit (0);
 110 }