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comparison test/offset.c @ 373:a9bc85fe6702

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author kono
date Sun, 11 Jul 2004 13:31:52 +0900
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children 91849fdeea60
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372:81345636387d 373:a9bc85fe6702
1
2 #define BIT8 260
3 #define BIT10 1030
4 #define BIT12 5000
5 #define BIT16 (65536*2)
6
7 int midium[BIT12];
8 int large[BIT16];
9
10 main()
11 {
12 int *p;
13 int local_midium[BIT12];
14 int local_large[BIT16];
15
16 midium[0]=0x55;
17 large[0]=0x55;
18 local_midium[0]=0x55;
19 local_large[0]=0x55;
20
21 midium[BIT8]=0x50;
22 large[BIT8]=0x50;
23 local_midium[BIT8]=0x50;
24 local_large[BIT8]=0x50;
25
26 midium[BIT10]=0xa0;
27 large[BIT10]=0xa0;
28 local_midium[BIT10]=0xa0;
29 local_large[BIT10]=0xa0;
30
31 midium[BIT12-1]=0xaa;
32 large[BIT16-1]=0xaa;
33 local_midium[BIT12-1]=0xaa;
34 local_large[BIT16-1]=0xaa;
35
36 printf("%x\n", midium[0]);
37 printf("%x\n", large[0]);
38 printf("%x\n", local_midium[0]);
39 printf("%x\n", local_large[0]);
40
41 printf("%x\n", midium[BIT8]);
42 printf("%x\n", large[BIT8]);
43 printf("%x\n", local_midium[BIT8]);
44 printf("%x\n", local_large[BIT8]);
45
46 printf("%x\n", midium[BIT10]);
47 printf("%x\n", large[BIT10]);
48 printf("%x\n", local_midium[BIT10]);
49 printf("%x\n", local_large[BIT10]);
50
51 printf("%x\n", midium[BIT12-1]);
52 printf("%x\n", large[BIT16-1]);
53 printf("%x\n", local_midium[BIT12-1]);
54 printf("%x\n", local_large[BIT16-1]);
55
56 p = local_large+BIT16;
57
58 p[-1] = 0xaa;
59 p[-BIT8] = 0xbb;
60 p[-BIT10] = 0xcc;
61 p[-(BIT12-1)] = 0xdd;
62 p[-(BIT16-1)] = 0xee;
63
64 printf("%x\n", p[-1]);
65 printf("%x\n", p[-BIT8]);
66 printf("%x\n", p[-BIT10]);
67 printf("%x\n", p[BIT12-1]);
68 printf("%x\n", p[BIT16-1]);
69
70 }