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111
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1 #include <limits.h>
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2
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3 extern void abort ();
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4
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5 int test1(int x)
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6 {
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7 return (x ^ INT_MIN) ^ 0x1234;
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8 }
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9
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10 unsigned int test1u(unsigned int x)
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11 {
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12 return (x ^ (unsigned int)INT_MIN) ^ 0x1234;
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13 }
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14
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15 int test2(int x)
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16 {
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17 return (x ^ 0x1234) ^ INT_MIN;
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18 }
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19
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20 unsigned int test2u(unsigned int x)
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21 {
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22 return (x ^ 0x1234) ^ (unsigned int)INT_MIN;
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23 }
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24
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25 unsigned int test3u(unsigned int x)
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26 {
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27 return (x + (unsigned int)INT_MIN) ^ 0x1234;
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28 }
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29
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30 unsigned int test4u(unsigned int x)
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31 {
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32 return (x ^ 0x1234) + (unsigned int)INT_MIN;
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33 }
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34
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35 unsigned int test5u(unsigned int x)
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36 {
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37 return (x - (unsigned int)INT_MIN) ^ 0x1234;
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38 }
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39
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40 unsigned int test6u(unsigned int x)
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41 {
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42 return (x ^ 0x1234) - (unsigned int)INT_MIN;
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43 }
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44
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45 int test7(int x)
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46 {
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47 int y = INT_MIN;
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48 int z = 0x1234;
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49 return (x ^ y) ^ z;
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50 }
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51
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52 unsigned int test7u(unsigned int x)
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53 {
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54 unsigned int y = (unsigned int)INT_MIN;
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55 unsigned int z = 0x1234;
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56 return (x ^ y) ^ z;
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57 }
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58
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59 int test8(int x)
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60 {
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61 int y = 0x1234;
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62 int z = INT_MIN;
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63 return (x ^ y) ^ z;
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64 }
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65
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66 unsigned int test8u(unsigned int x)
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67 {
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68 unsigned int y = 0x1234;
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69 unsigned int z = (unsigned int)INT_MIN;
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70 return (x ^ y) ^ z;
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71 }
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72
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73 unsigned int test9u(unsigned int x)
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74 {
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75 unsigned int y = (unsigned int)INT_MIN;
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76 unsigned int z = 0x1234;
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77 return (x + y) ^ z;
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78 }
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79
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80 unsigned int test10u(unsigned int x)
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81 {
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82 unsigned int y = 0x1234;
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83 unsigned int z = (unsigned int)INT_MIN;
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84 return (x ^ y) + z;
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85 }
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86
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87 unsigned int test11u(unsigned int x)
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88 {
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89 unsigned int y = (unsigned int)INT_MIN;
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90 unsigned int z = 0x1234;
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91 return (x - y) ^ z;
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92 }
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93
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94 unsigned int test12u(unsigned int x)
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95 {
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96 unsigned int y = 0x1234;
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97 unsigned int z = (unsigned int)INT_MIN;
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98 return (x ^ y) - z;
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99 }
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100
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101
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102 void test(int a, int b)
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103 {
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104 if (test1(a) != b)
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105 abort();
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106 if (test2(a) != b)
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107 abort();
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108 if (test7(a) != b)
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109 abort();
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110 if (test8(a) != b)
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111 abort();
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112 }
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113
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114 void testu(unsigned int a, unsigned int b)
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115 {
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116 if (test1u(a) != b)
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117 abort();
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118 if (test2u(a) != b)
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119 abort();
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120 if (test3u(a) != b)
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121 abort();
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122 if (test4u(a) != b)
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123 abort();
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124 if (test5u(a) != b)
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125 abort();
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126 if (test6u(a) != b)
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127 abort();
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128 if (test7u(a) != b)
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129 abort();
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130 if (test8u(a) != b)
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131 abort();
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132 if (test9u(a) != b)
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133 abort();
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134 if (test10u(a) != b)
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135 abort();
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136 if (test11u(a) != b)
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137 abort();
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138 if (test12u(a) != b)
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139 abort();
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140 }
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141
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142
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143 int main()
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144 {
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145 #if INT_MAX == 2147483647
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146 test(0x00000000,0x80001234);
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147 test(0x00001234,0x80000000);
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148 test(0x80000000,0x00001234);
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149 test(0x80001234,0x00000000);
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150 test(0x7fffffff,0xffffedcb);
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151 test(0xffffffff,0x7fffedcb);
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152
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153 testu(0x00000000,0x80001234);
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154 testu(0x00001234,0x80000000);
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155 testu(0x80000000,0x00001234);
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156 testu(0x80001234,0x00000000);
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157 testu(0x7fffffff,0xffffedcb);
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158 testu(0xffffffff,0x7fffedcb);
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159 #endif
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160
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161 #if INT_MAX == 32767
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162 test(0x0000,0x9234);
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163 test(0x1234,0x8000);
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164 test(0x8000,0x1234);
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165 test(0x9234,0x0000);
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166 test(0x7fff,0xedcb);
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167 test(0xffff,0x6dcb);
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168
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169 testu(0x0000,0x9234);
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170 testu(0x8000,0x1234);
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171 testu(0x1234,0x8000);
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172 testu(0x9234,0x0000);
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173 testu(0x7fff,0xedcb);
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174 testu(0xffff,0x6dcb);
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175 #endif
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176
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177 return 0;
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178 }
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179
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