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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: bits.h,v 1.8 2000/10/08 11:06:30 mdw Exp $ |
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4 | * |
5 | * Portable bit-level manipulation macros |
6 | * |
7 | * (c) 1998 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the mLib utilities library. |
13 | * |
14 | * mLib is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * mLib is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with mLib; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: bits.h,v $ |
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33 | * Revision 1.8 2000/10/08 11:06:30 mdw |
34 | * Shut later versions of GCC up about use of @long long@. |
35 | * |
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36 | * Revision 1.7 2000/07/22 09:48:26 mdw |
37 | * Added macros for reading 64-bit values. |
38 | * |
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39 | * Revision 1.6 2000/07/16 12:28:28 mdw |
40 | * Add 64-bit support, with faked arithmetic on 32-bit hosts. |
41 | * |
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42 | * Revision 1.5 2000/06/17 10:36:06 mdw |
43 | * Support for 24-bit types. |
44 | * |
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45 | * Revision 1.4 1999/12/10 23:42:04 mdw |
46 | * Change header file guard names. |
47 | * |
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48 | * Revision 1.3 1999/06/20 23:31:52 mdw |
49 | * More portability enhancements. |
50 | * |
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51 | * Revision 1.2 1999/06/17 00:12:46 mdw |
52 | * Improve portability for shift and rotate macros. |
53 | * |
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54 | * Revision 1.1 1999/06/01 09:46:19 mdw |
55 | * New addition: bit manipulation macros. |
56 | * |
57 | */ |
58 | |
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59 | #ifndef MLIB_BITS_H |
60 | #define MLIB_BITS_H |
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61 | |
62 | #ifdef __cplusplus |
63 | extern "C" { |
64 | #endif |
65 | |
66 | /*----- Header files ------------------------------------------------------*/ |
67 | |
68 | #include <limits.h> |
69 | #include <stddef.h> |
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70 | #if __STDC_VERSION__ >= 199900l |
71 | # include <stdint.h> |
72 | #endif |
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73 | |
74 | /*----- Decide on some types ----------------------------------------------*/ |
75 | |
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76 | /* --- Make GNU C shut up --- */ |
77 | |
78 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 91) |
79 | # define MLIB_BITS_EXTENSION __extension__ |
80 | #else |
81 | # define MLIB_BITS_EXTENSION |
82 | #endif |
83 | |
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84 | /* --- Decide on a 32-bit type --- * |
85 | * |
86 | * I want a type which is capable of expressing 32-bit numbers. Because some |
87 | * implementations have 64-bit @long@s (infinitely preferable to the abortion |
88 | * that is @long long@), using @unsigned long@ regardless is wasteful. So, |
89 | * if @int@ appears to be good enough, then I'll go with that. |
90 | */ |
91 | |
92 | #if UINT_MAX >= 0xffffffffu |
93 | typedef unsigned int uint32; |
94 | #else |
95 | typedef unsigned long uint32; |
96 | #endif |
97 | |
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98 | /* --- Decide on a 64-bit type --- * |
99 | * |
100 | * The test is quite subtle. Think about it. Note that (at least on my |
101 | * machine), the 32-bit macros are *much* faster than GCC's @long long@ |
102 | * support. |
103 | */ |
104 | |
105 | #if defined(ULONG_LONG_MAX) && !defined(ULLONG_MAX) |
106 | # define ULLONG_MAX ULONG_LONG_MAX |
107 | #endif |
108 | |
109 | #if UINT_MAX >> 31 > 0xffffffff |
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110 | # define HAVE_UINT64 |
111 | typedef unsigned int uint64; |
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112 | #elif ULONG_MAX >> 31 > 0xffffffff |
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113 | # define HAVE_UINT64 |
114 | typedef unsigned long uint64; |
a6f4a484 |
115 | #elif defined(ULLONG_MAX) |
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116 | # define HAVE_UINT64 |
117 | MLIB_BITS_EXTENSION typedef unsigned long long uint64; |
a6f4a484 |
118 | #endif |
119 | |
120 | #ifdef DEBUG64 |
121 | # undef HAVE_UINT64 |
122 | #endif |
123 | |
124 | #ifdef HAVE_UINT64 |
125 | typedef struct { uint64 i; } kludge64; |
126 | #else |
127 | typedef struct { uint32 hi, lo; } kludge64; |
128 | #endif |
129 | |
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130 | /* --- Decide on a 24-bit type --- */ |
131 | |
132 | #if UINT_MAX >= 0x00ffffffu |
133 | typedef unsigned int uint24; |
134 | #else |
135 | typedef unsigned long uint24; |
136 | #endif |
137 | |
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138 | /* --- Decide on 16-bit and 8-bit types --- * |
139 | * |
140 | * This is more for brevity than anything else. |
141 | */ |
142 | |
143 | typedef unsigned short uint16; |
144 | typedef unsigned char octet; |
145 | |
146 | /* --- WARNING! --- * |
147 | * |
148 | * Never lose sight of the fact that the above types may be wider than the |
149 | * names suggest. Some architectures have 32-bit @short@s for example. |
150 | */ |
151 | |
152 | /*----- Macros ------------------------------------------------------------*/ |
153 | |
154 | /* --- Useful masks --- */ |
155 | |
156 | #define MASK8 0xffu |
157 | #define MASK16 0xffffu |
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158 | #define MASK24 0xffffffu |
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159 | #define MASK32 0xffffffffu |
160 | |
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161 | #ifdef HAVE_UINT64 |
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162 | # define MASK64 MLIB_BITS_EXTENSION 0xffffffffffffffffu |
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163 | #endif |
164 | |
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165 | /* --- Type coercions --- */ |
166 | |
167 | #define U8(x) ((octet)((x) & MASK8)) |
168 | #define U16(x) ((uint16)((x) & MASK16)) |
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169 | #define U24(x) ((uint24)((x) & MASK24)) |
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170 | #define U32(x) ((uint32)((x) & MASK32)) |
171 | |
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172 | #ifdef HAVE_UINT64 |
173 | # define U64(x) ((uint64)(x) & MASK64) |
174 | # define U64_(d, x) ((d).i = U64(x).i) |
175 | #else |
176 | # define U64_(d, x) ((d).hi = U32((x).hi), (d).lo = U32((x).lo)) |
177 | #endif |
178 | |
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179 | /* --- Safe shifting macros --- */ |
180 | |
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181 | #define LSL8(v, s) U8(U8(v) << ((s) & 7u)) |
182 | #define LSR8(v, s) U8(U8(v) >> ((s) & 7u)) |
183 | #define LSL16(v, s) U16(U16(v) << ((s) & 15u)) |
184 | #define LSR16(v, s) U16(U16(v) >> ((s) & 15u)) |
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185 | #define LSL24(v, s) U24(U24(v) << ((s) % 24u)) |
186 | #define LSR24(v, s) U24(U24(v) >> ((s) % 24u)) |
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187 | #define LSL32(v, s) U32(U32(v) << ((s) & 31u)) |
188 | #define LSR32(v, s) U32(U32(v) >> ((s) & 31u)) |
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189 | |
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190 | #ifdef HAVE_UINT64 |
191 | # define LSL64(v, s) U64(U64(v) << ((s) & 63u)) |
192 | # define LSR64(v, s) U64(U64(v) >> ((s) & 63u)) |
193 | # define LSL64_(d, v, s) ((d).i = LSL64((v).i, (s))) |
194 | # define LSR64_(d, v, s) ((d).i = LSR64((v).i, (s))) |
195 | #else |
196 | # define LSL64_(d, v, s) do { \ |
197 | unsigned _s = (s) & 63u; \ |
198 | uint32 _l = (v).lo, _h = (v).hi; \ |
199 | kludge64 *_d = &(d); \ |
200 | if (_s >= 32) { \ |
201 | _d->hi = LSL32(_l, _s - 32u); \ |
202 | _d->lo = 0; \ |
203 | } else if (!_s) { \ |
204 | _d->lo = _l; \ |
205 | _d->hi = _h; \ |
206 | } else { \ |
207 | _d->hi = LSL32(_h, _s) | LSR32(_l, 32u - _s); \ |
208 | _d->lo = LSL32(_l, _s); \ |
209 | } \ |
210 | } while (0) |
211 | # define LSR64_(d, v, s) do { \ |
212 | unsigned _s = (s) & 63u; \ |
213 | uint32 _l = (v).lo, _h = (v).hi; \ |
214 | kludge64 *_d = &(d); \ |
215 | if (_s >= 32) { \ |
216 | _d->lo = LSR32(_h, _s - 32u); \ |
217 | _d->hi = 0; \ |
218 | } else if (!_s) { \ |
219 | _d->lo = _l; \ |
220 | _d->hi = _h; \ |
221 | } else { \ |
222 | _d->lo = LSR32(_l, _s) | LSL32(_h, 32u - _s); \ |
223 | _d->hi = LSR32(_h, _s); \ |
224 | } \ |
225 | } while (0) |
226 | #endif |
227 | |
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228 | /* --- Rotation macros --- */ |
229 | |
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230 | #define ROL8(v, s) (LSL8((v), (s)) | (LSR8((v), 8u - (s)))) |
231 | #define ROR8(v, s) (LSR8((v), (s)) | (LSL8((v), 8u - (s)))) |
232 | #define ROL16(v, s) (LSL16((v), (s)) | (LSR16((v), 16u - (s)))) |
233 | #define ROR16(v, s) (LSR16((v), (s)) | (LSL16((v), 16u - (s)))) |
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234 | #define ROL24(v, s) (LSL24((v), (s)) | (LSR24((v), 24u - (s)))) |
235 | #define ROR24(v, s) (LSR24((v), (s)) | (LSL24((v), 24u - (s)))) |
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236 | #define ROL32(v, s) (LSL32((v), (s)) | (LSR32((v), 32u - (s)))) |
237 | #define ROR32(v, s) (LSR32((v), (s)) | (LSL32((v), 32u - (s)))) |
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238 | |
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239 | #ifdef HAVE_UINT64 |
240 | # define ROL64(v, s) (LSL64((v), (s)) | (LSR64((v), 64u - (s)))) |
241 | # define ROR64(v, s) (LSR64((v), (s)) | (LSL64((v), 64u - (s)))) |
242 | # define ROL64_(d, v, s) ((d).i = ROL64((v).i, (s))) |
243 | # define ROR64_(d, v, s) ((d).i = ROR64((v).i, (s))) |
244 | #else |
245 | # define ROL64_(d, v, s) do { \ |
246 | unsigned _s = (s) & 63u; \ |
247 | uint32 _l = (v).lo, _h = (v).hi; \ |
248 | kludge64 *_d = &(d); \ |
249 | if (_s >= 32) { \ |
250 | _d->hi = LSL32(_l, _s - 32u) | LSR32(_h, 64u - _s); \ |
251 | _d->lo = LSL32(_h, _s - 32u) | LSR32(_l, 64u - _s); \ |
252 | } else if (!_s) { \ |
253 | _d->lo = _l; \ |
254 | _d->hi = _h; \ |
255 | } else { \ |
256 | _d->hi = LSL32(_h, _s) | LSR32(_l, 32u - _s); \ |
257 | _d->lo = LSL32(_l, _s) | LSR32(_h, 32u - _s); \ |
258 | } \ |
259 | } while (0) |
260 | # define ROR64_(d, v, s) do { \ |
261 | unsigned _s = (s) & 63u; \ |
262 | uint32 _l = (v).lo, _h = (v).hi; \ |
263 | kludge64 *_d = &(d); \ |
264 | if (_s >= 32) { \ |
265 | _d->hi = LSR32(_l, _s - 32u) | LSL32(_h, 64u - _s); \ |
266 | _d->lo = LSR32(_h, _s - 32u) | LSL32(_l, 64u - _s); \ |
267 | } else if (!_s) { \ |
268 | _d->lo = _l; \ |
269 | _d->hi = _h; \ |
270 | } else { \ |
271 | _d->hi = LSR32(_h, _s) | LSL32(_l, 32u - _s); \ |
272 | _d->lo = LSR32(_l, _s) | LSL32(_h, 32u - _s); \ |
273 | } \ |
274 | } while (0) |
275 | #endif |
276 | |
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277 | /* --- Storage and retrieval --- */ |
278 | |
279 | #define GETBYTE(p, o) (((octet *)(p))[o] & MASK8) |
280 | #define PUTBYTE(p, o, v) (((octet *)(p))[o] = U8((v))) |
281 | |
282 | #define LOAD8(p) (GETBYTE((p), 0)) |
283 | #define STORE8(p, v) (PUTBYTE((p), 0, (v))) |
284 | |
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285 | #define LOAD16_B(p) \ |
286 | (((uint16)GETBYTE((p), 0) << 8) | \ |
287 | ((uint16)GETBYTE((p), 1) << 0)) |
288 | #define LOAD16_L(p) \ |
289 | (((uint16)GETBYTE((p), 0) << 0) | \ |
290 | ((uint16)GETBYTE((p), 1) << 8)) |
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291 | #define LOAD16(p) LOAD16_B((p)) |
292 | |
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293 | #define STORE16_B(p, v) \ |
294 | (PUTBYTE((p), 0, (uint16)(v) >> 8), \ |
295 | PUTBYTE((p), 1, (uint16)(v) >> 0)) |
296 | #define STORE16_L(p, v) \ |
297 | (PUTBYTE((p), 0, (uint16)(v) >> 0), \ |
298 | PUTBYTE((p), 1, (uint16)(v) >> 8)) |
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299 | #define STORE16(p, v) STORE16_B((p), (v)) |
300 | |
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301 | #define LOAD24_B(p) \ |
302 | (((uint24)GETBYTE((p), 0) << 16) | \ |
303 | ((uint24)GETBYTE((p), 1) << 8) | \ |
304 | ((uint24)GETBYTE((p), 2) << 0)) |
305 | #define LOAD24_L(p) \ |
306 | (((uint24)GETBYTE((p), 0) << 0) | \ |
307 | ((uint24)GETBYTE((p), 1) << 8) | \ |
308 | ((uint24)GETBYTE((p), 2) << 16)) |
309 | #define LOAD24(p) LOAD24_B((p)) |
310 | |
311 | #define STORE24_B(p, v) \ |
312 | (PUTBYTE((p), 0, (uint24)(v) >> 16), \ |
313 | PUTBYTE((p), 1, (uint24)(v) >> 8), \ |
314 | PUTBYTE((p), 2, (uint24)(v) >> 0)) |
315 | #define STORE24_L(p, v) \ |
316 | (PUTBYTE((p), 0, (uint24)(v) >> 0), \ |
317 | PUTBYTE((p), 1, (uint24)(v) >> 8), \ |
318 | PUTBYTE((p), 2, (uint24)(v) >> 16)) |
319 | #define STORE24(p, v) STORE24_B((p), (v)) |
320 | |
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321 | #define LOAD32_B(p) \ |
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322 | (((uint32)GETBYTE((p), 0) << 24) | \ |
323 | ((uint32)GETBYTE((p), 1) << 16) | \ |
324 | ((uint32)GETBYTE((p), 2) << 8) | \ |
325 | ((uint32)GETBYTE((p), 3) << 0)) |
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326 | #define LOAD32_L(p) \ |
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327 | (((uint32)GETBYTE((p), 0) << 0) | \ |
328 | ((uint32)GETBYTE((p), 1) << 8) | \ |
329 | ((uint32)GETBYTE((p), 2) << 16) | \ |
330 | ((uint32)GETBYTE((p), 3) << 24)) |
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331 | #define LOAD32(p) LOAD32_B((p)) |
332 | |
333 | #define STORE32_B(p, v) \ |
0d4e268a |
334 | (PUTBYTE((p), 0, (uint32)(v) >> 24), \ |
335 | PUTBYTE((p), 1, (uint32)(v) >> 16), \ |
336 | PUTBYTE((p), 2, (uint32)(v) >> 8), \ |
337 | PUTBYTE((p), 3, (uint32)(v) >> 0)) |
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338 | #define STORE32_L(p, v) \ |
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339 | (PUTBYTE((p), 0, (uint32)(v) >> 0), \ |
340 | PUTBYTE((p), 1, (uint32)(v) >> 8), \ |
341 | PUTBYTE((p), 2, (uint32)(v) >> 16), \ |
342 | PUTBYTE((p), 3, (uint32)(v) >> 24)) |
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343 | #define STORE32(p, v) STORE32_B((p), (v)) |
344 | |
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345 | #ifdef HAVE_UINT64 |
346 | |
347 | # define LOAD64_B(p) \ |
348 | (((uint64)GETBYTE((p), 0) << 56) | \ |
349 | ((uint64)GETBYTE((p), 1) << 48) | \ |
350 | ((uint64)GETBYTE((p), 2) << 40) | \ |
351 | ((uint64)GETBYTE((p), 3) << 32) | \ |
352 | ((uint64)GETBYTE((p), 4) << 24) | \ |
353 | ((uint64)GETBYTE((p), 5) << 16) | \ |
354 | ((uint64)GETBYTE((p), 6) << 8) | \ |
355 | ((uint64)GETBYTE((p), 7) << 0)) |
356 | # define LOAD64_L(p) \ |
357 | (((uint64)GETBYTE((p), 0) << 0) | \ |
358 | ((uint64)GETBYTE((p), 1) << 8) | \ |
359 | ((uint64)GETBYTE((p), 2) << 16) | \ |
360 | ((uint64)GETBYTE((p), 3) << 24) | \ |
361 | ((uint64)GETBYTE((p), 4) << 32) | \ |
362 | ((uint64)GETBYTE((p), 5) << 40) | \ |
363 | ((uint64)GETBYTE((p), 6) << 48) | \ |
364 | ((uint64)GETBYTE((p), 7) << 56)) |
365 | # define LOAD64(p) LOAD64_B((p)) |
366 | # define LOAD64_B_(d, p) ((d).i = LOAD64_B((p))) |
367 | # define LOAD64_L_(d, p) ((d).i = LOAD64_L((p))) |
368 | # define LOAD64_(d, p) LOAD64_B_((d), (p)) |
369 | |
370 | # define STORE64_B(p, v) \ |
371 | (PUTBYTE((p), 0, (uint64)(v) >> 56), \ |
372 | PUTBYTE((p), 1, (uint64)(v) >> 48), \ |
373 | PUTBYTE((p), 2, (uint64)(v) >> 40), \ |
374 | PUTBYTE((p), 3, (uint64)(v) >> 32), \ |
375 | PUTBYTE((p), 4, (uint64)(v) >> 24), \ |
376 | PUTBYTE((p), 5, (uint64)(v) >> 16), \ |
377 | PUTBYTE((p), 6, (uint64)(v) >> 8), \ |
378 | PUTBYTE((p), 7, (uint64)(v) >> 0)) |
379 | # define STORE64_L(p, v) \ |
380 | (PUTBYTE((p), 0, (uint64)(v) >> 0), \ |
381 | PUTBYTE((p), 1, (uint64)(v) >> 8), \ |
382 | PUTBYTE((p), 2, (uint64)(v) >> 16), \ |
383 | PUTBYTE((p), 3, (uint64)(v) >> 24), \ |
384 | PUTBYTE((p), 4, (uint64)(v) >> 32), \ |
385 | PUTBYTE((p), 5, (uint64)(v) >> 40), \ |
386 | PUTBYTE((p), 6, (uint64)(v) >> 48), \ |
387 | PUTBYTE((p), 7, (uint64)(v) >> 56)) |
388 | # define STORE64(p, v) STORE64_B((p), (v)) |
389 | # define STORE64_B_(p, v) STORE64_B((p), (v).i) |
390 | # define STORE64_L_(p, v) STORE64_L((p), (v).i) |
391 | # define STORE64_(p, v) STORE64_B_((p), (v)) |
392 | |
393 | #else |
394 | |
395 | # define LOAD64_B_(d, p) \ |
396 | ((d).hi = LOAD32_B((octet *)(p) + 0), \ |
397 | (d).lo = LOAD32_B((octet *)(p) + 4)) |
398 | # define LOAD64_L_(d, p) \ |
399 | ((d).lo = LOAD32_L((octet *)(p) + 0), \ |
400 | (d).hi = LOAD32_L((octet *)(p) + 4)) |
401 | # define LOAD64_(d, p) LOAD64_B_((d), (p)) |
402 | |
403 | # define STORE64_B_(p, v) \ |
404 | (STORE32_B((octet *)(p) + 0, (v).hi), \ |
405 | STORE32_B((octet *)(p) + 4, (v).lo)) |
406 | # define STORE64_L_(p, v) \ |
407 | (STORE32_L((octet *)(p) + 0, (v).lo), \ |
408 | STORE32_L((octet *)(p) + 4, (v).hi)) |
409 | # define STORE64_(p, v) STORE64_B_((p), (v)) |
410 | |
411 | #endif |
412 | |
413 | /* --- Other operations on 64-bit integers --- */ |
414 | |
415 | #ifdef HAVE_UINT64 |
416 | # define SET64(d, h, l) ((d).i = (U64((h)) << 32) | U64((l))) |
417 | # define ASSIGN64(d, x) ((d).i = U64((x))) |
418 | # define HI64(x) U32((x).i >> 32) |
419 | # define LO64(x) U32((x).i) |
3b7cea93 |
420 | # define GET64(t, x) ((t)(x).i) |
a6f4a484 |
421 | #else |
422 | # define SET64(d, h, l) ((d).hi = U32(h), (d).lo = U32(l)) |
423 | # define ASSIGN64(d, x) \ |
424 | ((d).hi = ((x & ~MASK32) >> 16) >> 16, (d).lo = U32(x)) |
425 | # define HI64(x) U32((x).hi) |
426 | # define LO64(x) U32((x).lo) |
3b7cea93 |
427 | # define GET64(t, x) (((((t)HI64(x) << 16) << 16) & ~MASK32) | (t)LO64(x)) |
a6f4a484 |
428 | #endif |
429 | |
430 | #ifdef HAVE_UINT64 |
431 | # define AND64(d, x, y) ((d).i = (x).i & (y).i) |
432 | # define OR64(d, x, y) ((d).i = (x).i | (y).i) |
433 | # define XOR64(d, x, y) ((d).i = (x).i ^ (y).i) |
434 | # define CPL64(d, x) ((d).i = ~(x).i) |
435 | # define ADD64(d, x, y) ((d).i = (x).i + (y).i) |
436 | # define SUB64(d, x, y) ((d).i = (x).i - (y).i) |
437 | # define CMP64(x, op, y) ((x).i op (y).i) |
438 | # define ZERO64(x) ((x) == 0) |
439 | #else |
440 | # define AND64(d, x, y) ((d).lo = (x).lo & (y).lo, (d).hi = (x).hi & (y).hi) |
441 | # define OR64(d, x, y) ((d).lo = (x).lo | (y).lo, (d).hi = (x).hi | (y).hi) |
442 | # define XOR64(d, x, y) ((d).lo = (x).lo ^ (y).lo, (d).hi = (x).hi ^ (y).hi) |
443 | # define CPL64(d, x) ((d).lo = ~(x).lo, (d).hi = ~(x).hi) |
444 | # define ADD64(d, x, y) do { \ |
445 | uint32 _x = U32((x).lo + (y).lo); \ |
446 | (d).hi = (x).hi + (y).hi + (_x < (x).lo); \ |
447 | (d).lo = _x; \ |
448 | } while (0) |
449 | # define SUB64(d, x, y) do { \ |
450 | uint32 _x = U32((x).lo - (y).lo); \ |
451 | (d).hi = (x).hi - (y).hi - (_x > (x).lo); \ |
452 | (d).lo = _x; \ |
453 | } while (0) |
454 | # define CMP64(x, op, y) \ |
455 | ((x).hi == (y).hi ? (x).lo op (y).lo : (x).hi op (y).hi) |
456 | # define ZERO64(x) ((x).lo == 0 && (x).hi == 0) |
457 | #endif |
458 | |
6b033bc4 |
459 | /*----- That's all, folks -------------------------------------------------*/ |
460 | |
461 | #ifdef __cplusplus |
462 | } |
463 | #endif |
464 | |
465 | #endif |