Viewing file:  20040409-2w.c (1.32 KB) -rw-r--r--
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/* { dg-additional-options "-fwrapv" } */
#include <limits.h>
extern void abort ();
int test3(int x)
{
return (x + INT_MIN) ^ 0x1234;
}
int test4(int x)
{
return (x ^ 0x1234) + INT_MIN;
}
int test5(int x)
{
return (x - INT_MIN) ^ 0x1234;
}
int test6(int x)
{
return (x ^ 0x1234) - INT_MIN;
}
int test9(int x)
{
int y = INT_MIN;
int z = 0x1234;
return (x + y) ^ z;
}
int test10(int x)
{
int y = 0x1234;
int z = INT_MIN;
return (x ^ y) + z;
}
int test11(int x)
{
int y = INT_MIN;
int z = 0x1234;
return (x - y) ^ z;
}
int test12(int x)
{
int y = 0x1234;
int z = INT_MIN;
return (x ^ y) - z;
}
void test(int a, int b)
{
if (test3(a) != b)
abort();
if (test4(a) != b)
abort();
if (test5(a) != b)
abort();
if (test6(a) != b)
abort();
if (test9(a) != b)
abort();
if (test10(a) != b)
abort();
if (test11(a) != b)
abort();
if (test12(a) != b)
abort();
}
int main()
{
#if INT_MAX == 2147483647
test(0x00000000,0x80001234);
test(0x00001234,0x80000000);
test(0x80000000,0x00001234);
test(0x80001234,0x00000000);
test(0x7fffffff,0xffffedcb);
test(0xffffffff,0x7fffedcb);
#endif
#if INT_MAX == 32767
test(0x0000,0x9234);
test(0x1234,0x8000);
test(0x8000,0x1234);
test(0x9234,0x0000);
test(0x7fff,0xedcb);
test(0xffff,0x6dcb);
#endif
return 0;
}
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