1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* This test is similar to 2003-05-26-Shorts.c except that it stores all
* short values in a structure to test load and store operations on those
* values. It stresses masking and sign-extension for such load/stores.
*/
#include <stdio.h>
#include <stdlib.h>
typedef struct ShortsSet_struct {
unsigned int ui;
int i;
unsigned short us;
short s;
unsigned char ub;
signed char b;
} ShortsSet;
/* Move the value here to prevent constant folding */
unsigned long long getL()
{
return 0xafafafafc5c5b8a3ull;
}
int
main(int argc, char** argv)
{
unsigned long long UL = getL(); /* 0xafafafafc5c5b8a3 */
long long L = (long long) UL;
ShortsSet* S = (ShortsSet*) malloc(sizeof(ShortsSet));
S->ui = (unsigned int) UL; /* 0xc5c5b8a3 = 3318069411 */
S-> i = (int) UL; /* 0xc5c5b8a3 = -976897885 */
S->us = (unsigned short) UL; /* 0xb8a3 = 47267 */
S-> s = (short) UL; /* 0xb8a3 = -18269 */
S->ub = (unsigned char) UL; /* 0xa3 = 163 */
S-> b = ( signed char) UL; /* 0xa3 = -93 */
printf(" ui = %u (0x%x)\t\tUL-ui = %lld (0x%llx)\n",
S->ui, S->ui, UL - S->ui, UL - S->ui);
printf("ui*ui = %u (0x%x)\t UL/ui = %lld (0x%llx)\n\n",
(unsigned int) S->ui * S->ui, (unsigned int) S->ui * S->ui,
UL/S->ui, UL/S->ui);
printf(" i = %d (0x%x)\tL-i = %lld (0x%llx)\n",
S->i, S->i, L - S->i, L - S->i);
printf(" i* i = %d (0x%x)\tL/ i = %lld (0x%llx)\n\n",
(int) S->i * S->i, (int) S->i * S->i, L/S->i, L/S->i);
printf("us = %u (0x%x)\t\tUL-us = %lld (0x%llx)\n",
S->us, S->us, UL - S->us, UL - S->us);
printf("us*us = %u (0x%x)\t UL/us = %lld (0x%llx)\n\n",
(unsigned short) S->us * S->us, (unsigned short) S->us * S->us,
UL/S->us, UL/S->us);
printf(" s = %d (0x%x)\tL-s = %lld (0x%llx)\n",
S->s, S->s, L - S->s, L - S->s);
printf(" s* s = %d (0x%x)\tL/ s = %lld (0x%llx)\n\n",
(short) S->s * S->s, (short) S->s * S->s, L/S->s, L/S->s);
printf("ub = %u (0x%x)\t\tUL-ub = %lld (0x%llx)\n",
S->ub, S->ub, UL - S->ub, UL - S->ub);
printf("ub*ub = %u (0x%x)\t\tUL/ub = %lld (0x%llx)\n\n",
(unsigned char) S->ub * S->ub, (unsigned char) S->ub * S->ub,
UL/S->ub, UL/S->ub);
printf(" b = %d (0x%x)\t\tL-b = %lld (0x%llx)\n",
S->b, S->b, L - S->b, L - S->b);
printf(" b* b = %d (0x%x)\t\t\tL/b = %lld (0x%llx)\n\n",
(signed char) S->b * S->b, (signed char) S->b * S->b, L/S->b, L/S->b);
return 0;
}
|
