gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/20040409-2.c

   1 #include <limits.h>
   2
   3 extern void abort ();
   4
   5 int test1(int x)
   6 {
   7   return (x ^ INT_MIN) ^ 0x1234;
   8 }
   9
  10 unsigned int test1u(unsigned int x)
  11 {
  12   return (x ^ (unsigned int)INT_MIN) ^ 0x1234;
  13 }
  14
  15 int test2(int x)
  16 {
  17   return (x ^ 0x1234) ^ INT_MIN;
  18 }
  19
  20 unsigned int test2u(unsigned int x)
  21 {
  22   return (x ^ 0x1234) ^ (unsigned int)INT_MIN;
  23 }
  24
  25 int test3(int x)
  26 {
  27   return (x + INT_MIN) ^ 0x1234;
  28 }
  29
  30 unsigned int test3u(unsigned int x)
  31 {
  32   return (x + (unsigned int)INT_MIN) ^ 0x1234;
  33 }
  34
  35 int test4(int x)
  36 {
  37   return (x ^ 0x1234) + INT_MIN;
  38 }
  39
  40 unsigned int test4u(unsigned int x)
  41 {
  42   return (x ^ 0x1234) + (unsigned int)INT_MIN;
  43 }
  44
  45 int test5(int x)
  46 {
  47   return (x - INT_MIN) ^ 0x1234;
  48 }
  49
  50 unsigned int test5u(unsigned int x)
  51 {
  52   return (x - (unsigned int)INT_MIN) ^ 0x1234;
  53 }
  54
  55 int test6(int x)
  56 {
  57   return (x ^ 0x1234) - INT_MIN;
  58 }
  59
  60 unsigned int test6u(unsigned int x)
  61 {
  62   return (x ^ 0x1234) - (unsigned int)INT_MIN;
  63 }
  64
  65 int test7(int x)
  66 {
  67   int y = INT_MIN;
  68   int z = 0x1234;
  69   return (x ^ y) ^ z;
  70 }
  71
  72 unsigned int test7u(unsigned int x)
  73 {
  74   unsigned int y = (unsigned int)INT_MIN;
  75   unsigned int z = 0x1234;
  76   return (x ^ y) ^ z;
  77 }
  78
  79 int test8(int x)
  80 {
  81   int y = 0x1234;
  82   int z = INT_MIN;
  83   return (x ^ y) ^ z;
  84 }
  85
  86 unsigned int test8u(unsigned int x)
  87 {
  88   unsigned int y = 0x1234;
  89   unsigned int z = (unsigned int)INT_MIN;
  90   return (x ^ y) ^ z;
  91 }
  92
  93 int test9(int x)
  94 {
  95   int y = INT_MIN;
  96   int z = 0x1234;
  97   return (x + y) ^ z;
  98 }
  99
 100 unsigned int test9u(unsigned int x)
 101 {
 102   unsigned int y = (unsigned int)INT_MIN;
 103   unsigned int z = 0x1234;
 104   return (x + y) ^ z;
 105 }
 106
 107 int test10(int x)
 108 {
 109   int y = 0x1234;
 110   int z = INT_MIN;
 111   return (x ^ y) + z;
 112 }
 113
 114 unsigned int test10u(unsigned int x)
 115 {
 116   unsigned int y = 0x1234;
 117   unsigned int z = (unsigned int)INT_MIN;
 118   return (x ^ y) + z;
 119 }
 120
 121 int test11(int x)
 122 {
 123   int y = INT_MIN;
 124   int z = 0x1234;
 125   return (x - y) ^ z;
 126 }
 127
 128 unsigned int test11u(unsigned int x)
 129 {
 130   unsigned int y = (unsigned int)INT_MIN;
 131   unsigned int z = 0x1234;
 132   return (x - y) ^ z;
 133 }
 134
 135 int test12(int x)
 136 {
 137   int y = 0x1234;
 138   int z = INT_MIN;
 139   return (x ^ y) - z;
 140 }
 141
 142 unsigned int test12u(unsigned int x)
 143 {
 144   unsigned int y = 0x1234;
 145   unsigned int z = (unsigned int)INT_MIN;
 146   return (x ^ y) - z;
 147 }
 148
 149
 150 void test(int a, int b)
 151 {
 152   if (test1(a) != b)
 153     abort();
 154   if (test2(a) != b)
 155     abort();
 156   if (test3(a) != b)
 157     abort();
 158   if (test4(a) != b)
 159     abort();
 160   if (test5(a) != b)
 161     abort();
 162   if (test6(a) != b)
 163     abort();
 164   if (test7(a) != b)
 165     abort();
 166   if (test8(a) != b)
 167     abort();
 168   if (test9(a) != b)
 169     abort();
 170   if (test10(a) != b)
 171     abort();
 172   if (test11(a) != b)
 173     abort();
 174   if (test12(a) != b)
 175     abort();
 176 }
 177
 178 void testu(unsigned int a, unsigned int b)
 179 {
 180   if (test1u(a) != b)
 181     abort();
 182   if (test2u(a) != b)
 183     abort();
 184   if (test3u(a) != b)
 185     abort();
 186   if (test4u(a) != b)
 187     abort();
 188   if (test5u(a) != b)
 189     abort();
 190   if (test6u(a) != b)
 191     abort();
 192   if (test7u(a) != b)
 193     abort();
 194   if (test8u(a) != b)
 195     abort();
 196   if (test9u(a) != b)
 197     abort();
 198   if (test10u(a) != b)
 199     abort();
 200   if (test11u(a) != b)
 201     abort();
 202   if (test12u(a) != b)
 203     abort();
 204 }
 205
 206
 207 int main()
 208 {
 209 #if INT_MAX == 2147483647
 210   test(0x00000000,0x80001234);
 211   test(0x00001234,0x80000000);
 212   test(0x80000000,0x00001234);
 213   test(0x80001234,0x00000000);
 214   test(0x7fffffff,0xffffedcb);
 215   test(0xffffffff,0x7fffedcb);
 216
 217   testu(0x00000000,0x80001234);
 218   testu(0x00001234,0x80000000);
 219   testu(0x80000000,0x00001234);
 220   testu(0x80001234,0x00000000);
 221   testu(0x7fffffff,0xffffedcb);
 222   testu(0xffffffff,0x7fffedcb);
 223 #endif
 224
 225 #if INT_MAX == 32767
 226   test(0x0000,0x9234);
 227   test(0x1234,0x8000);
 228   test(0x8000,0x1234);
 229   test(0x9234,0x0000);
 230   test(0x7fff,0xedcb);
 231   test(0xffff,0x6dcb);
 232
 233   testu(0x0000,0x9234);
 234   testu(0x8000,0x1234);
 235   testu(0x1234,0x8000);
 236   testu(0x9234,0x0000);
 237   testu(0x7fff,0xedcb);
 238   testu(0xffff,0x6dcb);
 239 #endif
 240
 241   return 0;
 242 }
 243