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