1 /* This tests the rotate patterns that some machines support. */
2
3 #include <limits.h>
4
5 #ifndef CHAR_BIT
6 #define CHAR_BIT 8
7 #endif
8
9 #define ROR(a,b) (((a) >> (b)) | ((a) << ((sizeof (a) * CHAR_BIT) - (b))))
10 #define ROL(a,b) (((a) << (b)) | ((a) >> ((sizeof (a) * CHAR_BIT) - (b))))
11
12 #define CHAR_VALUE ((unsigned char)0xf234U)
13 #define SHORT_VALUE ((unsigned short)0xf234U)
14 #define INT_VALUE 0xf234U
15 #define LONG_VALUE 0xf2345678LU
16 #define LL_VALUE 0xf2345678abcdef0LLU
17
18 #define SHIFT1 4
19 #define SHIFT2 ((sizeof (long long) * CHAR_BIT) - SHIFT1)
20
21 unsigned char uc = CHAR_VALUE;
22 unsigned short us = SHORT_VALUE;
23 unsigned int ui = INT_VALUE;
24 unsigned long ul = LONG_VALUE;
25 unsigned long long ull = LL_VALUE;
26 int shift1 = SHIFT1;
27 int shift2 = SHIFT2;
28
main()29 main ()
30 {
31 if (ROR (uc, shift1) != ROR (CHAR_VALUE, SHIFT1))
32 abort ();
33
34 if (ROR (uc, SHIFT1) != ROR (CHAR_VALUE, SHIFT1))
35 abort ();
36
37 if (ROR (us, shift1) != ROR (SHORT_VALUE, SHIFT1))
38 abort ();
39
40 if (ROR (us, SHIFT1) != ROR (SHORT_VALUE, SHIFT1))
41 abort ();
42
43 if (ROR (ui, shift1) != ROR (INT_VALUE, SHIFT1))
44 abort ();
45
46 if (ROR (ui, SHIFT1) != ROR (INT_VALUE, SHIFT1))
47 abort ();
48
49 if (ROR (ul, shift1) != ROR (LONG_VALUE, SHIFT1))
50 abort ();
51
52 if (ROR (ul, SHIFT1) != ROR (LONG_VALUE, SHIFT1))
53 abort ();
54
55 if (ROR (ull, shift1) != ROR (LL_VALUE, SHIFT1))
56 abort ();
57
58 if (ROR (ull, SHIFT1) != ROR (LL_VALUE, SHIFT1))
59 abort ();
60
61 if (ROR (ull, shift2) != ROR (LL_VALUE, SHIFT2))
62 abort ();
63
64 if (ROR (ull, SHIFT2) != ROR (LL_VALUE, SHIFT2))
65 abort ();
66
67 if (ROL (uc, shift1) != ROL (CHAR_VALUE, SHIFT1))
68 abort ();
69
70 if (ROL (uc, SHIFT1) != ROL (CHAR_VALUE, SHIFT1))
71 abort ();
72
73 if (ROL (us, shift1) != ROL (SHORT_VALUE, SHIFT1))
74 abort ();
75
76 if (ROL (us, SHIFT1) != ROL (SHORT_VALUE, SHIFT1))
77 abort ();
78
79 if (ROL (ui, shift1) != ROL (INT_VALUE, SHIFT1))
80 abort ();
81
82 if (ROL (ui, SHIFT1) != ROL (INT_VALUE, SHIFT1))
83 abort ();
84
85 if (ROL (ul, shift1) != ROL (LONG_VALUE, SHIFT1))
86 abort ();
87
88 if (ROL (ul, SHIFT1) != ROL (LONG_VALUE, SHIFT1))
89 abort ();
90
91 if (ROL (ull, shift1) != ROL (LL_VALUE, SHIFT1))
92 abort ();
93
94 if (ROL (ull, SHIFT1) != ROL (LL_VALUE, SHIFT1))
95 abort ();
96
97 if (ROL (ull, shift2) != ROL (LL_VALUE, SHIFT2))
98 abort ();
99
100 if (ROL (ull, SHIFT2) != ROL (LL_VALUE, SHIFT2))
101 abort ();
102
103 exit (0);
104 }
105