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| #include <stdio.h>
int main()
{
/* test normal << */
int i = 1;
int j = i << 5;
long k;
printf("test normal <<\n");
printf("j = i << 5 --> i: %x, j: %x\n", i, j);
printf("\n");
/* test normal <<, shift > type size */
i = 1;
/* this is not right in gcc, j will be 1, not 0x100000000 */
j = i << 32;
printf("test normal <<, shift > type size\n");
printf("j = i << 32 --> i: %lx, j: %lx\n", i, j);
printf("\n");
/* test normal <<, shift > type size */
i = 1;
/* this is right in gcc */
k = (long)i << 32;
printf("test normal <<, shift > type size\n");
printf("size of long %d\n", sizeof(long));
printf("k = i << 32 --> i: %lx, k: %lx\n", i, k);
printf("\n");
/* test normal >> */
i = 0xffe00000;
/* as i is a int, it will remove to right with bit 1 in top bit */
j = i >> 1;
printf("test normal <<\n");
printf("j = i >> 1 --> i: %x, j: %x\n", i, j);
printf("\n");
/* test |, type of two operands is different */
int l = 0x10000000;
long m = 0;
long g = l | m;
printf("test |, type of two operands is different\n");
printf("g = l | m --> l: %lx, m: %llx, g: %llx\n", l, m, g);
printf("\n");
printf("0x%08x\n", 2);
return 0;
}
|
