1 #include <limits.h>
2 
3 extern void abort ();
4 
test1(int x)5 int test1(int x)
6 {
7   return (x ^ INT_MIN) ^ 0x1234;
8 }
9 
test1u(unsigned int x)10 unsigned int test1u(unsigned int x)
11 {
12   return (x ^ (unsigned int)INT_MIN) ^ 0x1234;
13 }
14 
test2(int x)15 int test2(int x)
16 {
17   return (x ^ 0x1234) ^ INT_MIN;
18 }
19 
test2u(unsigned int x)20 unsigned int test2u(unsigned int x)
21 {
22   return (x ^ 0x1234) ^ (unsigned int)INT_MIN;
23 }
24 
test3(int x)25 int test3(int x)
26 {
27   return (x + INT_MIN) ^ 0x1234;
28 }
29 
test3u(unsigned int x)30 unsigned int test3u(unsigned int x)
31 {
32   return (x + (unsigned int)INT_MIN) ^ 0x1234;
33 }
34 
test4(int x)35 int test4(int x)
36 {
37   return (x ^ 0x1234) + INT_MIN;
38 }
39 
test4u(unsigned int x)40 unsigned int test4u(unsigned int x)
41 {
42   return (x ^ 0x1234) + (unsigned int)INT_MIN;
43 }
44 
test5(int x)45 int test5(int x)
46 {
47   return (x - INT_MIN) ^ 0x1234;
48 }
49 
test5u(unsigned int x)50 unsigned int test5u(unsigned int x)
51 {
52   return (x - (unsigned int)INT_MIN) ^ 0x1234;
53 }
54 
test6(int x)55 int test6(int x)
56 {
57   return (x ^ 0x1234) - INT_MIN;
58 }
59 
test6u(unsigned int x)60 unsigned int test6u(unsigned int x)
61 {
62   return (x ^ 0x1234) - (unsigned int)INT_MIN;
63 }
64 
test7(int x)65 int test7(int x)
66 {
67   int y = INT_MIN;
68   int z = 0x1234;
69   return (x ^ y) ^ z;
70 }
71 
test7u(unsigned int x)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 
test8(int x)79 int test8(int x)
80 {
81   int y = 0x1234;
82   int z = INT_MIN;
83   return (x ^ y) ^ z;
84 }
85 
test8u(unsigned int x)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 
test9(int x)93 int test9(int x)
94 {
95   int y = INT_MIN;
96   int z = 0x1234;
97   return (x + y) ^ z;
98 }
99 
test9u(unsigned int x)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 
test10(int x)107 int test10(int x)
108 {
109   int y = 0x1234;
110   int z = INT_MIN;
111   return (x ^ y) + z;
112 }
113 
test10u(unsigned int x)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 
test11(int x)121 int test11(int x)
122 {
123   int y = INT_MIN;
124   int z = 0x1234;
125   return (x - y) ^ z;
126 }
127 
test11u(unsigned int x)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 
test12(int x)135 int test12(int x)
136 {
137   int y = 0x1234;
138   int z = INT_MIN;
139   return (x ^ y) - z;
140 }
141 
test12u(unsigned int x)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 
test(int a,int b)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 
testu(unsigned int a,unsigned int b)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 
main()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 
244