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 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203
|
/* This file tests shifts in various integral modes. */
#include <limits.h>
#define CAT(A, B) A ## B
#define REPEAT_8 \
REPEAT_FN ( 0) \
REPEAT_FN ( 1) \
REPEAT_FN ( 2) \
REPEAT_FN ( 3) \
REPEAT_FN ( 4) \
REPEAT_FN ( 5) \
REPEAT_FN ( 6) \
REPEAT_FN ( 7)
#define REPEAT_16 \
REPEAT_8 \
REPEAT_FN ( 8) \
REPEAT_FN ( 9) \
REPEAT_FN (10) \
REPEAT_FN (11) \
REPEAT_FN (12) \
REPEAT_FN (13) \
REPEAT_FN (14) \
REPEAT_FN (15)
#define REPEAT_32 \
REPEAT_16 \
REPEAT_FN (16) \
REPEAT_FN (17) \
REPEAT_FN (18) \
REPEAT_FN (19) \
REPEAT_FN (20) \
REPEAT_FN (21) \
REPEAT_FN (22) \
REPEAT_FN (23) \
REPEAT_FN (24) \
REPEAT_FN (25) \
REPEAT_FN (26) \
REPEAT_FN (27) \
REPEAT_FN (28) \
REPEAT_FN (29) \
REPEAT_FN (30) \
REPEAT_FN (31)
/* Define 8-bit shifts. */
#if CHAR_BIT == 8
typedef unsigned int u8 __attribute__((mode(QI)));
typedef signed int s8 __attribute__((mode(QI)));
#define REPEAT_FN(COUNT) \
u8 CAT (ashift_qi_, COUNT) (u8 n) { return n << COUNT; }
REPEAT_8
#undef REPEAT_FN
#define REPEAT_FN(COUNT) \
u8 CAT (lshiftrt_qi_, COUNT) (u8 n) { return n >> COUNT; }
REPEAT_8
#undef REPEAT_FN
#define REPEAT_FN(COUNT) \
s8 CAT (ashiftrt_qi_, COUNT) (s8 n) { return n >> COUNT; }
REPEAT_8
#undef REPEAT_FN
#endif /* CHAR_BIT == 8 */
/* Define 16-bit shifts. */
#if CHAR_BIT == 8 || CHAR_BIT == 16
#if CHAR_BIT == 8
typedef unsigned int u16 __attribute__((mode(HI)));
typedef signed int s16 __attribute__((mode(HI)));
#elif CHAR_BIT == 16
typedef unsigned int u16 __attribute__((mode(QI)));
typedef signed int s16 __attribute__((mode(QI)));
#endif
#define REPEAT_FN(COUNT) \
u16 CAT (ashift_hi_, COUNT) (u16 n) { return n << COUNT; }
REPEAT_16
#undef REPEAT_FN
#define REPEAT_FN(COUNT) \
u16 CAT (lshiftrt_hi_, COUNT) (u16 n) { return n >> COUNT; }
REPEAT_16
#undef REPEAT_FN
#define REPEAT_FN(COUNT) \
s16 CAT (ashiftrt_hi_, COUNT) (s16 n) { return n >> COUNT; }
REPEAT_16
#undef REPEAT_FN
#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 */
/* Define 32-bit shifts. */
#if CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32
#if CHAR_BIT == 8
typedef unsigned int u32 __attribute__((mode(SI)));
typedef signed int s32 __attribute__((mode(SI)));
#elif CHAR_BIT == 16
typedef unsigned int u32 __attribute__((mode(HI)));
typedef signed int s32 __attribute__((mode(HI)));
#elif CHAR_BIT == 32
typedef unsigned int u32 __attribute__((mode(QI)));
typedef signed int s32 __attribute__((mode(QI)));
#endif
#define REPEAT_FN(COUNT) \
u32 CAT (ashift_si_, COUNT) (u32 n) { return n << COUNT; }
REPEAT_32
#undef REPEAT_FN
#define REPEAT_FN(COUNT) \
u32 CAT (lshiftrt_si_, COUNT) (u32 n) { return n >> COUNT; }
REPEAT_32
#undef REPEAT_FN
#define REPEAT_FN(COUNT) \
s32 CAT (ashiftrt_si_, COUNT) (s32 n) { return n >> COUNT; }
REPEAT_32
#undef REPEAT_FN
#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32 */
extern void abort (void);
extern void exit (int);
int
main ()
{
/* Test 8-bit shifts. */
#if CHAR_BIT == 8
# define REPEAT_FN(COUNT) \
if (CAT (ashift_qi_, COUNT) (0xff) != (u8) ((u8)0xff << COUNT)) abort ();
REPEAT_8;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (lshiftrt_qi_, COUNT) (0xff) != (u8) ((u8)0xff >> COUNT)) abort ();
REPEAT_8;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (ashiftrt_qi_, COUNT) (-1) != -1) abort ();
REPEAT_8;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (ashiftrt_qi_, COUNT) (0) != 0) abort ();
REPEAT_8;
# undef REPEAT_FN
#endif /* CHAR_BIT == 8 */
/* Test 16-bit shifts. */
#if CHAR_BIT == 8 || CHAR_BIT == 16
# define REPEAT_FN(COUNT) \
if (CAT (ashift_hi_, COUNT) (0xffff) \
!= (u16) ((u16) 0xffff << COUNT)) abort ();
REPEAT_16;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (lshiftrt_hi_, COUNT) (0xffff) \
!= (u16) ((u16) 0xffff >> COUNT)) abort ();
REPEAT_16;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (ashiftrt_hi_, COUNT) (-1) != -1) abort ();
REPEAT_16;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (ashiftrt_hi_, COUNT) (0) != 0) abort ();
REPEAT_16;
# undef REPEAT_FN
#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 */
/* Test 32-bit shifts. */
#if CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32
# define REPEAT_FN(COUNT) \
if (CAT (ashift_si_, COUNT) (0xffffffff) \
!= (u32) ((u32) 0xffffffff << COUNT)) abort ();
REPEAT_32;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (lshiftrt_si_, COUNT) (0xffffffff) \
!= (u32) ((u32) 0xffffffff >> COUNT)) abort ();
REPEAT_32;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (ashiftrt_si_, COUNT) (-1) != -1) abort ();
REPEAT_32;
# undef REPEAT_FN
# define REPEAT_FN(COUNT) \
if (CAT (ashiftrt_si_, COUNT) (0) != 0) abort ();
REPEAT_32;
# undef REPEAT_FN
#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32 */
exit (0);
}
|