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 21unsigned char uc = CHAR_VALUE; 22unsigned short us = SHORT_VALUE; 23unsigned int ui = INT_VALUE; 24unsigned long ul = LONG_VALUE; 25unsigned long long ull = LL_VALUE; 26int shift1 = SHIFT1; 27int shift2 = SHIFT2; 28 29main () 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