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c48c4d78 | 1 | //----------------------------------------------------------------------------- |
2 | // Copyright (C) 2016, 2017 by piwi | |
3 | // | |
4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
5 | // at your option, any later version. See the LICENSE.txt file for the text of | |
6 | // the license.ch b | |
7 | //----------------------------------------------------------------------------- | |
8 | // Implements a card only attack based on crypto text (encrypted nonces | |
9 | // received during a nested authentication) only. Unlike other card only | |
10 | // attacks this doesn't rely on implementation errors but only on the | |
11 | // inherent weaknesses of the crypto1 cypher. Described in | |
12 | // Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened | |
13 | // Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on | |
14 | // Computer and Communications Security, 2015 | |
15 | //----------------------------------------------------------------------------- | |
16 | // some helper functions which can benefit from SIMD instructions or other special instructions | |
17 | // | |
18 | ||
19 | #include "hardnested_bitarray_core.h" | |
20 | ||
21 | #include <stdint.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
c3d117a8 | 24 | #ifndef __APPLE__ |
c48c4d78 | 25 | #include <malloc.h> |
c3d117a8 | 26 | #endif |
c48c4d78 | 27 | |
c48c4d78 | 28 | // this needs to be compiled several times for each instruction set. |
29 | // For each instruction set, define a dedicated function name: | |
30 | #if defined (__AVX512F__) | |
31 | #define MALLOC_BITARRAY malloc_bitarray_AVX512 | |
32 | #define FREE_BITARRAY free_bitarray_AVX512 | |
33 | #define BITCOUNT bitcount_AVX512 | |
34 | #define COUNT_STATES count_states_AVX512 | |
35 | #define BITARRAY_AND bitarray_AND_AVX512 | |
36 | #define BITARRAY_LOW20_AND bitarray_low20_AND_AVX512 | |
37 | #define COUNT_BITARRAY_AND count_bitarray_AND_AVX512 | |
38 | #define COUNT_BITARRAY_LOW20_AND count_bitarray_low20_AND_AVX512 | |
39 | #define BITARRAY_AND4 bitarray_AND4_AVX512 | |
40 | #define BITARRAY_OR bitarray_OR_AVX512 | |
41 | #define COUNT_BITARRAY_AND2 count_bitarray_AND2_AVX512 | |
42 | #define COUNT_BITARRAY_AND3 count_bitarray_AND3_AVX512 | |
43 | #define COUNT_BITARRAY_AND4 count_bitarray_AND4_AVX512 | |
44 | #elif defined (__AVX2__) | |
45 | #define MALLOC_BITARRAY malloc_bitarray_AVX2 | |
46 | #define FREE_BITARRAY free_bitarray_AVX2 | |
47 | #define BITCOUNT bitcount_AVX2 | |
48 | #define COUNT_STATES count_states_AVX2 | |
49 | #define BITARRAY_AND bitarray_AND_AVX2 | |
50 | #define BITARRAY_LOW20_AND bitarray_low20_AND_AVX2 | |
51 | #define COUNT_BITARRAY_AND count_bitarray_AND_AVX2 | |
52 | #define COUNT_BITARRAY_LOW20_AND count_bitarray_low20_AND_AVX2 | |
53 | #define BITARRAY_AND4 bitarray_AND4_AVX2 | |
54 | #define BITARRAY_OR bitarray_OR_AVX2 | |
55 | #define COUNT_BITARRAY_AND2 count_bitarray_AND2_AVX2 | |
56 | #define COUNT_BITARRAY_AND3 count_bitarray_AND3_AVX2 | |
57 | #define COUNT_BITARRAY_AND4 count_bitarray_AND4_AVX2 | |
58 | #elif defined (__AVX__) | |
59 | #define MALLOC_BITARRAY malloc_bitarray_AVX | |
60 | #define FREE_BITARRAY free_bitarray_AVX | |
61 | #define BITCOUNT bitcount_AVX | |
62 | #define COUNT_STATES count_states_AVX | |
63 | #define BITARRAY_AND bitarray_AND_AVX | |
64 | #define BITARRAY_LOW20_AND bitarray_low20_AND_AVX | |
65 | #define COUNT_BITARRAY_AND count_bitarray_AND_AVX | |
66 | #define COUNT_BITARRAY_LOW20_AND count_bitarray_low20_AND_AVX | |
67 | #define BITARRAY_AND4 bitarray_AND4_AVX | |
68 | #define BITARRAY_OR bitarray_OR_AVX | |
69 | #define COUNT_BITARRAY_AND2 count_bitarray_AND2_AVX | |
70 | #define COUNT_BITARRAY_AND3 count_bitarray_AND3_AVX | |
71 | #define COUNT_BITARRAY_AND4 count_bitarray_AND4_AVX | |
72 | #elif defined (__SSE2__) | |
73 | #define MALLOC_BITARRAY malloc_bitarray_SSE2 | |
74 | #define FREE_BITARRAY free_bitarray_SSE2 | |
75 | #define BITCOUNT bitcount_SSE2 | |
76 | #define COUNT_STATES count_states_SSE2 | |
77 | #define BITARRAY_AND bitarray_AND_SSE2 | |
78 | #define BITARRAY_LOW20_AND bitarray_low20_AND_SSE2 | |
79 | #define COUNT_BITARRAY_AND count_bitarray_AND_SSE2 | |
80 | #define COUNT_BITARRAY_LOW20_AND count_bitarray_low20_AND_SSE2 | |
81 | #define BITARRAY_AND4 bitarray_AND4_SSE2 | |
82 | #define BITARRAY_OR bitarray_OR_SSE2 | |
83 | #define COUNT_BITARRAY_AND2 count_bitarray_AND2_SSE2 | |
84 | #define COUNT_BITARRAY_AND3 count_bitarray_AND3_SSE2 | |
85 | #define COUNT_BITARRAY_AND4 count_bitarray_AND4_SSE2 | |
86 | #elif defined (__MMX__) | |
87 | #define MALLOC_BITARRAY malloc_bitarray_MMX | |
88 | #define FREE_BITARRAY free_bitarray_MMX | |
89 | #define BITCOUNT bitcount_MMX | |
90 | #define COUNT_STATES count_states_MMX | |
91 | #define BITARRAY_AND bitarray_AND_MMX | |
92 | #define BITARRAY_LOW20_AND bitarray_low20_AND_MMX | |
93 | #define COUNT_BITARRAY_AND count_bitarray_AND_MMX | |
94 | #define COUNT_BITARRAY_LOW20_AND count_bitarray_low20_AND_MMX | |
95 | #define BITARRAY_AND4 bitarray_AND4_MMX | |
96 | #define BITARRAY_OR bitarray_OR_MMX | |
97 | #define COUNT_BITARRAY_AND2 count_bitarray_AND2_MMX | |
98 | #define COUNT_BITARRAY_AND3 count_bitarray_AND3_MMX | |
99 | #define COUNT_BITARRAY_AND4 count_bitarray_AND4_MMX | |
af7a1f70 | 100 | #else |
101 | #define MALLOC_BITARRAY malloc_bitarray_NOSIMD | |
102 | #define FREE_BITARRAY free_bitarray_NOSIMD | |
103 | #define BITCOUNT bitcount_NOSIMD | |
104 | #define COUNT_STATES count_states_NOSIMD | |
105 | #define BITARRAY_AND bitarray_AND_NOSIMD | |
106 | #define BITARRAY_LOW20_AND bitarray_low20_AND_NOSIMD | |
107 | #define COUNT_BITARRAY_AND count_bitarray_AND_NOSIMD | |
108 | #define COUNT_BITARRAY_LOW20_AND count_bitarray_low20_AND_NOSIMD | |
109 | #define BITARRAY_AND4 bitarray_AND4_NOSIMD | |
110 | #define BITARRAY_OR bitarray_OR_NOSIMD | |
111 | #define COUNT_BITARRAY_AND2 count_bitarray_AND2_NOSIMD | |
112 | #define COUNT_BITARRAY_AND3 count_bitarray_AND3_NOSIMD | |
113 | #define COUNT_BITARRAY_AND4 count_bitarray_AND4_NOSIMD | |
c48c4d78 | 114 | #endif |
115 | ||
116 | ||
117 | // typedefs and declaration of functions: | |
118 | typedef uint32_t* malloc_bitarray_t(uint32_t); | |
af7a1f70 | 119 | malloc_bitarray_t malloc_bitarray_AVX512, malloc_bitarray_AVX2, malloc_bitarray_AVX, malloc_bitarray_SSE2, malloc_bitarray_MMX, malloc_bitarray_NOSIMD, malloc_bitarray_dispatch; |
c48c4d78 | 120 | typedef void free_bitarray_t(uint32_t*); |
af7a1f70 | 121 | free_bitarray_t free_bitarray_AVX512, free_bitarray_AVX2, free_bitarray_AVX, free_bitarray_SSE2, free_bitarray_MMX, free_bitarray_NOSIMD, free_bitarray_dispatch; |
c48c4d78 | 122 | typedef uint32_t bitcount_t(uint32_t); |
af7a1f70 | 123 | bitcount_t bitcount_AVX512, bitcount_AVX2, bitcount_AVX, bitcount_SSE2, bitcount_MMX, bitcount_NOSIMD, bitcount_dispatch; |
c48c4d78 | 124 | typedef uint32_t count_states_t(uint32_t*); |
af7a1f70 | 125 | count_states_t count_states_AVX512, count_states_AVX2, count_states_AVX, count_states_SSE2, count_states_MMX, count_states_NOSIMD, count_states_dispatch; |
c48c4d78 | 126 | typedef void bitarray_AND_t(uint32_t[], uint32_t[]); |
af7a1f70 | 127 | bitarray_AND_t bitarray_AND_AVX512, bitarray_AND_AVX2, bitarray_AND_AVX, bitarray_AND_SSE2, bitarray_AND_MMX, bitarray_AND_NOSIMD, bitarray_AND_dispatch; |
c48c4d78 | 128 | typedef void bitarray_low20_AND_t(uint32_t*, uint32_t*); |
af7a1f70 | 129 | bitarray_low20_AND_t bitarray_low20_AND_AVX512, bitarray_low20_AND_AVX2, bitarray_low20_AND_AVX, bitarray_low20_AND_SSE2, bitarray_low20_AND_MMX, bitarray_low20_AND_NOSIMD, bitarray_low20_AND_dispatch; |
c48c4d78 | 130 | typedef uint32_t count_bitarray_AND_t(uint32_t*, uint32_t*); |
af7a1f70 | 131 | count_bitarray_AND_t count_bitarray_AND_AVX512, count_bitarray_AND_AVX2, count_bitarray_AND_AVX, count_bitarray_AND_SSE2, count_bitarray_AND_MMX, count_bitarray_AND_NOSIMD, count_bitarray_AND_dispatch; |
c48c4d78 | 132 | typedef uint32_t count_bitarray_low20_AND_t(uint32_t*, uint32_t*); |
af7a1f70 | 133 | count_bitarray_low20_AND_t count_bitarray_low20_AND_AVX512, count_bitarray_low20_AND_AVX2, count_bitarray_low20_AND_AVX, count_bitarray_low20_AND_SSE2, count_bitarray_low20_AND_MMX, count_bitarray_low20_AND_NOSIMD, count_bitarray_low20_AND_dispatch; |
c48c4d78 | 134 | typedef void bitarray_AND4_t(uint32_t*, uint32_t*, uint32_t*, uint32_t*); |
af7a1f70 | 135 | bitarray_AND4_t bitarray_AND4_AVX512, bitarray_AND4_AVX2, bitarray_AND4_AVX, bitarray_AND4_SSE2, bitarray_AND4_MMX, bitarray_AND4_NOSIMD, bitarray_AND4_dispatch; |
c48c4d78 | 136 | typedef void bitarray_OR_t(uint32_t[], uint32_t[]); |
af7a1f70 | 137 | bitarray_OR_t bitarray_OR_AVX512, bitarray_OR_AVX2, bitarray_OR_AVX, bitarray_OR_SSE2, bitarray_OR_MMX, bitarray_OR_NOSIMD, bitarray_OR_dispatch; |
c48c4d78 | 138 | typedef uint32_t count_bitarray_AND2_t(uint32_t*, uint32_t*); |
af7a1f70 | 139 | count_bitarray_AND2_t count_bitarray_AND2_AVX512, count_bitarray_AND2_AVX2, count_bitarray_AND2_AVX, count_bitarray_AND2_SSE2, count_bitarray_AND2_MMX, count_bitarray_AND2_NOSIMD, count_bitarray_AND2_dispatch; |
c48c4d78 | 140 | typedef uint32_t count_bitarray_AND3_t(uint32_t*, uint32_t*, uint32_t*); |
af7a1f70 | 141 | count_bitarray_AND3_t count_bitarray_AND3_AVX512, count_bitarray_AND3_AVX2, count_bitarray_AND3_AVX, count_bitarray_AND3_SSE2, count_bitarray_AND3_MMX, count_bitarray_AND3_NOSIMD, count_bitarray_AND3_dispatch; |
c48c4d78 | 142 | typedef uint32_t count_bitarray_AND4_t(uint32_t*, uint32_t*, uint32_t*, uint32_t*); |
af7a1f70 | 143 | count_bitarray_AND4_t count_bitarray_AND4_AVX512, count_bitarray_AND4_AVX2, count_bitarray_AND4_AVX, count_bitarray_AND4_SSE2, count_bitarray_AND4_MMX, count_bitarray_AND4_NOSIMD, count_bitarray_AND4_dispatch; |
c48c4d78 | 144 | |
145 | ||
146 | inline uint32_t *MALLOC_BITARRAY(uint32_t x) | |
147 | { | |
c3d117a8 | 148 | #if defined (_WIN32) |
c48c4d78 | 149 | return __builtin_assume_aligned(_aligned_malloc((x), __BIGGEST_ALIGNMENT__), __BIGGEST_ALIGNMENT__); |
c3d117a8 | 150 | #elif defined (__APPLE__) |
151 | uint32_t *allocated_memory; | |
152 | if (posix_memalign((void**)&allocated_memory, __BIGGEST_ALIGNMENT__, x)) { | |
153 | return NULL; | |
154 | } else { | |
155 | return __builtin_assume_aligned(allocated_memory, __BIGGEST_ALIGNMENT__); | |
156 | } | |
c48c4d78 | 157 | #else |
158 | return __builtin_assume_aligned(memalign(__BIGGEST_ALIGNMENT__, (x)), __BIGGEST_ALIGNMENT__); | |
159 | #endif | |
160 | } | |
161 | ||
162 | ||
163 | inline void FREE_BITARRAY(uint32_t *x) | |
164 | { | |
165 | #ifdef _WIN32 | |
166 | _aligned_free(x); | |
167 | #else | |
168 | free(x); | |
169 | #endif | |
170 | } | |
171 | ||
172 | ||
173 | inline uint32_t BITCOUNT(uint32_t a) | |
174 | { | |
175 | return __builtin_popcountl(a); | |
176 | } | |
177 | ||
178 | ||
179 | inline uint32_t COUNT_STATES(uint32_t *A) | |
180 | { | |
181 | uint32_t count = 0; | |
182 | for (uint32_t i = 0; i < (1<<19); i++) { | |
183 | count += BITCOUNT(A[i]); | |
184 | } | |
185 | return count; | |
186 | } | |
187 | ||
188 | ||
189 | inline void BITARRAY_AND(uint32_t *restrict A, uint32_t *restrict B) | |
190 | { | |
191 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
192 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
193 | for (uint32_t i = 0; i < (1<<19); i++) { | |
194 | A[i] &= B[i]; | |
195 | } | |
196 | } | |
197 | ||
198 | ||
199 | inline void BITARRAY_LOW20_AND(uint32_t *restrict A, uint32_t *restrict B) | |
200 | { | |
201 | uint16_t *a = (uint16_t *)__builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
202 | uint16_t *b = (uint16_t *)__builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
203 | ||
204 | for (uint32_t i = 0; i < (1<<20); i++) { | |
205 | if (!b[i]) { | |
206 | a[i] = 0; | |
207 | } | |
208 | } | |
209 | } | |
210 | ||
211 | ||
212 | inline uint32_t COUNT_BITARRAY_AND(uint32_t *restrict A, uint32_t *restrict B) | |
213 | { | |
214 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
215 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
216 | uint32_t count = 0; | |
217 | for (uint32_t i = 0; i < (1<<19); i++) { | |
218 | A[i] &= B[i]; | |
219 | count += BITCOUNT(A[i]); | |
220 | } | |
221 | return count; | |
222 | } | |
223 | ||
224 | ||
225 | inline uint32_t COUNT_BITARRAY_LOW20_AND(uint32_t *restrict A, uint32_t *restrict B) | |
226 | { | |
227 | uint16_t *a = (uint16_t *)__builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
228 | uint16_t *b = (uint16_t *)__builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
229 | uint32_t count = 0; | |
230 | ||
231 | for (uint32_t i = 0; i < (1<<20); i++) { | |
232 | if (!b[i]) { | |
233 | a[i] = 0; | |
234 | } | |
235 | count += BITCOUNT(a[i]); | |
236 | } | |
237 | return count; | |
238 | } | |
239 | ||
240 | ||
241 | inline void BITARRAY_AND4(uint32_t *restrict A, uint32_t *restrict B, uint32_t *restrict C, uint32_t *restrict D) | |
242 | { | |
243 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
244 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
245 | C = __builtin_assume_aligned(C, __BIGGEST_ALIGNMENT__); | |
246 | D = __builtin_assume_aligned(D, __BIGGEST_ALIGNMENT__); | |
247 | for (uint32_t i = 0; i < (1<<19); i++) { | |
248 | A[i] = B[i] & C[i] & D[i]; | |
249 | } | |
250 | } | |
251 | ||
252 | ||
253 | inline void BITARRAY_OR(uint32_t *restrict A, uint32_t *restrict B) | |
254 | { | |
255 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
256 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
257 | for (uint32_t i = 0; i < (1<<19); i++) { | |
258 | A[i] |= B[i]; | |
259 | } | |
260 | } | |
261 | ||
262 | ||
263 | inline uint32_t COUNT_BITARRAY_AND2(uint32_t *restrict A, uint32_t *restrict B) | |
264 | { | |
265 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
266 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
267 | uint32_t count = 0; | |
268 | for (uint32_t i = 0; i < (1<<19); i++) { | |
269 | count += BITCOUNT(A[i] & B[i]); | |
270 | } | |
271 | return count; | |
272 | } | |
273 | ||
274 | ||
275 | inline uint32_t COUNT_BITARRAY_AND3(uint32_t *restrict A, uint32_t *restrict B, uint32_t *restrict C) | |
276 | { | |
277 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
278 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
279 | C = __builtin_assume_aligned(C, __BIGGEST_ALIGNMENT__); | |
280 | uint32_t count = 0; | |
281 | for (uint32_t i = 0; i < (1<<19); i++) { | |
282 | count += BITCOUNT(A[i] & B[i] & C[i]); | |
283 | } | |
284 | return count; | |
285 | } | |
286 | ||
287 | ||
288 | inline uint32_t COUNT_BITARRAY_AND4(uint32_t *restrict A, uint32_t *restrict B, uint32_t *restrict C, uint32_t *restrict D) | |
289 | { | |
290 | A = __builtin_assume_aligned(A, __BIGGEST_ALIGNMENT__); | |
291 | B = __builtin_assume_aligned(B, __BIGGEST_ALIGNMENT__); | |
292 | C = __builtin_assume_aligned(C, __BIGGEST_ALIGNMENT__); | |
293 | D = __builtin_assume_aligned(D, __BIGGEST_ALIGNMENT__); | |
294 | uint32_t count = 0; | |
295 | for (uint32_t i = 0; i < (1<<19); i++) { | |
296 | count += BITCOUNT(A[i] & B[i] & C[i] & D[i]); | |
297 | } | |
298 | return count; | |
299 | } | |
300 | ||
af7a1f70 | 301 | |
c48c4d78 | 302 | #ifndef __MMX__ |
303 | ||
304 | // pointers to functions: | |
305 | malloc_bitarray_t *malloc_bitarray_function_p = &malloc_bitarray_dispatch; | |
306 | free_bitarray_t *free_bitarray_function_p = &free_bitarray_dispatch; | |
307 | bitcount_t *bitcount_function_p = &bitcount_dispatch; | |
308 | count_states_t *count_states_function_p = &count_states_dispatch; | |
309 | bitarray_AND_t *bitarray_AND_function_p = &bitarray_AND_dispatch; | |
310 | bitarray_low20_AND_t *bitarray_low20_AND_function_p = &bitarray_low20_AND_dispatch; | |
311 | count_bitarray_AND_t *count_bitarray_AND_function_p = &count_bitarray_AND_dispatch; | |
312 | count_bitarray_low20_AND_t *count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_dispatch; | |
313 | bitarray_AND4_t *bitarray_AND4_function_p = &bitarray_AND4_dispatch; | |
314 | bitarray_OR_t *bitarray_OR_function_p = &bitarray_OR_dispatch; | |
315 | count_bitarray_AND2_t *count_bitarray_AND2_function_p = &count_bitarray_AND2_dispatch; | |
316 | count_bitarray_AND3_t *count_bitarray_AND3_function_p = &count_bitarray_AND3_dispatch; | |
317 | count_bitarray_AND4_t *count_bitarray_AND4_function_p = &count_bitarray_AND4_dispatch; | |
318 | ||
319 | // determine the available instruction set at runtime and call the correct function | |
320 | uint32_t *malloc_bitarray_dispatch(uint32_t x) { | |
af7a1f70 | 321 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 322 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
323 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 324 | if (__builtin_cpu_supports("avx512f")) malloc_bitarray_function_p = &malloc_bitarray_AVX512; |
325 | else if (__builtin_cpu_supports("avx2")) malloc_bitarray_function_p = &malloc_bitarray_AVX2; | |
087c8bf3 | 326 | #else |
f950ce1c | 327 | if (__builtin_cpu_supports("avx2")) malloc_bitarray_function_p = &malloc_bitarray_AVX2; |
087c8bf3 | 328 | #endif |
c48c4d78 | 329 | else if (__builtin_cpu_supports("avx")) malloc_bitarray_function_p = &malloc_bitarray_AVX; |
330 | else if (__builtin_cpu_supports("sse2")) malloc_bitarray_function_p = &malloc_bitarray_SSE2; | |
331 | else if (__builtin_cpu_supports("mmx")) malloc_bitarray_function_p = &malloc_bitarray_MMX; | |
087c8bf3 | 332 | else |
333 | #endif | |
af7a1f70 | 334 | #endif |
335 | malloc_bitarray_function_p = &malloc_bitarray_NOSIMD; | |
336 | ||
c48c4d78 | 337 | // call the most optimized function for this CPU |
338 | return (*malloc_bitarray_function_p)(x); | |
339 | } | |
340 | ||
341 | void free_bitarray_dispatch(uint32_t *x) { | |
087c8bf3 | 342 | #if defined (__i386__) || defined (__x86_64__) |
343 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) | |
344 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 345 | if (__builtin_cpu_supports("avx512f")) free_bitarray_function_p = &free_bitarray_AVX512; |
346 | else if (__builtin_cpu_supports("avx2")) free_bitarray_function_p = &free_bitarray_AVX2; | |
087c8bf3 | 347 | #else |
f950ce1c | 348 | if (__builtin_cpu_supports("avx2")) free_bitarray_function_p = &free_bitarray_AVX2; |
087c8bf3 | 349 | #endif |
c48c4d78 | 350 | else if (__builtin_cpu_supports("avx")) free_bitarray_function_p = &free_bitarray_AVX; |
351 | else if (__builtin_cpu_supports("sse2")) free_bitarray_function_p = &free_bitarray_SSE2; | |
352 | else if (__builtin_cpu_supports("mmx")) free_bitarray_function_p = &free_bitarray_MMX; | |
087c8bf3 | 353 | else |
354 | #endif | |
af7a1f70 | 355 | #endif |
356 | free_bitarray_function_p = &free_bitarray_NOSIMD; | |
357 | ||
c48c4d78 | 358 | // call the most optimized function for this CPU |
359 | (*free_bitarray_function_p)(x); | |
360 | } | |
361 | ||
362 | uint32_t bitcount_dispatch(uint32_t a) { | |
af7a1f70 | 363 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 364 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
365 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 366 | if (__builtin_cpu_supports("avx512f")) bitcount_function_p = &bitcount_AVX512; |
367 | else if (__builtin_cpu_supports("avx2")) bitcount_function_p = &bitcount_AVX2; | |
087c8bf3 | 368 | #else |
f950ce1c | 369 | if (__builtin_cpu_supports("avx2")) bitcount_function_p = &bitcount_AVX2; |
087c8bf3 | 370 | #endif |
c48c4d78 | 371 | else if (__builtin_cpu_supports("avx")) bitcount_function_p = &bitcount_AVX; |
372 | else if (__builtin_cpu_supports("sse2")) bitcount_function_p = &bitcount_SSE2; | |
373 | else if (__builtin_cpu_supports("mmx")) bitcount_function_p = &bitcount_MMX; | |
087c8bf3 | 374 | else |
375 | #endif | |
af7a1f70 | 376 | #endif |
377 | bitcount_function_p = &bitcount_NOSIMD; | |
378 | ||
c48c4d78 | 379 | // call the most optimized function for this CPU |
380 | return (*bitcount_function_p)(a); | |
381 | } | |
382 | ||
383 | uint32_t count_states_dispatch(uint32_t *bitarray) { | |
af7a1f70 | 384 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 385 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
386 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 387 | if (__builtin_cpu_supports("avx512f")) count_states_function_p = &count_states_AVX512; |
388 | else if (__builtin_cpu_supports("avx2")) count_states_function_p = &count_states_AVX2; | |
087c8bf3 | 389 | #else |
f950ce1c | 390 | if (__builtin_cpu_supports("avx2")) count_states_function_p = &count_states_AVX2; |
087c8bf3 | 391 | #endif |
c48c4d78 | 392 | else if (__builtin_cpu_supports("avx")) count_states_function_p = &count_states_AVX; |
393 | else if (__builtin_cpu_supports("sse2")) count_states_function_p = &count_states_SSE2; | |
394 | else if (__builtin_cpu_supports("mmx")) count_states_function_p = &count_states_MMX; | |
087c8bf3 | 395 | else |
396 | #endif | |
af7a1f70 | 397 | #endif |
398 | count_states_function_p = &count_states_NOSIMD; | |
399 | ||
c48c4d78 | 400 | // call the most optimized function for this CPU |
401 | return (*count_states_function_p)(bitarray); | |
402 | } | |
403 | ||
404 | void bitarray_AND_dispatch(uint32_t *A, uint32_t *B) { | |
af7a1f70 | 405 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 406 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
407 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 408 | if (__builtin_cpu_supports("avx512f")) bitarray_AND_function_p = &bitarray_AND_AVX512; |
409 | else if (__builtin_cpu_supports("avx2")) bitarray_AND_function_p = &bitarray_AND_AVX2; | |
087c8bf3 | 410 | #else |
f950ce1c | 411 | if (__builtin_cpu_supports("avx2")) bitarray_AND_function_p = &bitarray_AND_AVX2; |
087c8bf3 | 412 | #endif |
c48c4d78 | 413 | else if (__builtin_cpu_supports("avx")) bitarray_AND_function_p = &bitarray_AND_AVX; |
414 | else if (__builtin_cpu_supports("sse2")) bitarray_AND_function_p = &bitarray_AND_SSE2; | |
415 | else if (__builtin_cpu_supports("mmx")) bitarray_AND_function_p = &bitarray_AND_MMX; | |
087c8bf3 | 416 | else |
417 | #endif | |
af7a1f70 | 418 | #endif |
419 | bitarray_AND_function_p = &bitarray_AND_NOSIMD; | |
420 | ||
c48c4d78 | 421 | // call the most optimized function for this CPU |
422 | (*bitarray_AND_function_p)(A,B); | |
423 | } | |
424 | ||
425 | void bitarray_low20_AND_dispatch(uint32_t *A, uint32_t *B) { | |
087c8bf3 | 426 | #if defined (__i386__) || defined (__x86_64__) |
427 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) | |
428 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 429 | if (__builtin_cpu_supports("avx512f")) bitarray_low20_AND_function_p = &bitarray_low20_AND_AVX512; |
430 | else if (__builtin_cpu_supports("avx2")) bitarray_low20_AND_function_p = &bitarray_low20_AND_AVX2; | |
087c8bf3 | 431 | #else |
f950ce1c | 432 | if (__builtin_cpu_supports("avx2")) bitarray_low20_AND_function_p = &bitarray_low20_AND_AVX2; |
087c8bf3 | 433 | #endif |
c48c4d78 | 434 | else if (__builtin_cpu_supports("avx")) bitarray_low20_AND_function_p = &bitarray_low20_AND_AVX; |
435 | else if (__builtin_cpu_supports("sse2")) bitarray_low20_AND_function_p = &bitarray_low20_AND_SSE2; | |
436 | else if (__builtin_cpu_supports("mmx")) bitarray_low20_AND_function_p = &bitarray_low20_AND_MMX; | |
087c8bf3 | 437 | else |
438 | #endif | |
af7a1f70 | 439 | #endif |
440 | bitarray_low20_AND_function_p = &bitarray_low20_AND_NOSIMD; | |
441 | ||
c48c4d78 | 442 | // call the most optimized function for this CPU |
443 | (*bitarray_low20_AND_function_p)(A, B); | |
444 | } | |
445 | ||
446 | uint32_t count_bitarray_AND_dispatch(uint32_t *A, uint32_t *B) { | |
af7a1f70 | 447 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 448 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
449 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 450 | if (__builtin_cpu_supports("avx512f")) count_bitarray_AND_function_p = &count_bitarray_AND_AVX512; |
451 | else if (__builtin_cpu_supports("avx2")) count_bitarray_AND_function_p = &count_bitarray_AND_AVX2; | |
087c8bf3 | 452 | #else |
f950ce1c | 453 | if (__builtin_cpu_supports("avx2")) count_bitarray_AND_function_p = &count_bitarray_AND_AVX2; |
087c8bf3 | 454 | #endif |
c48c4d78 | 455 | else if (__builtin_cpu_supports("avx")) count_bitarray_AND_function_p = &count_bitarray_AND_AVX; |
456 | else if (__builtin_cpu_supports("sse2")) count_bitarray_AND_function_p = &count_bitarray_AND_SSE2; | |
457 | else if (__builtin_cpu_supports("mmx")) count_bitarray_AND_function_p = &count_bitarray_AND_MMX; | |
087c8bf3 | 458 | else |
459 | #endif | |
af7a1f70 | 460 | #endif |
461 | count_bitarray_AND_function_p = &count_bitarray_AND_NOSIMD; | |
462 | ||
c48c4d78 | 463 | // call the most optimized function for this CPU |
464 | return (*count_bitarray_AND_function_p)(A, B); | |
465 | } | |
466 | ||
467 | uint32_t count_bitarray_low20_AND_dispatch(uint32_t *A, uint32_t *B) { | |
af7a1f70 | 468 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 469 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
470 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 471 | if (__builtin_cpu_supports("avx512f")) count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_AVX512; |
472 | else if (__builtin_cpu_supports("avx2")) count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_AVX2; | |
087c8bf3 | 473 | #else |
f950ce1c | 474 | if (__builtin_cpu_supports("avx2")) count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_AVX2; |
087c8bf3 | 475 | #endif |
c48c4d78 | 476 | else if (__builtin_cpu_supports("avx")) count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_AVX; |
477 | else if (__builtin_cpu_supports("sse2")) count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_SSE2; | |
478 | else if (__builtin_cpu_supports("mmx")) count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_MMX; | |
087c8bf3 | 479 | else |
480 | #endif | |
af7a1f70 | 481 | #endif |
482 | count_bitarray_low20_AND_function_p = &count_bitarray_low20_AND_NOSIMD; | |
483 | ||
c48c4d78 | 484 | // call the most optimized function for this CPU |
485 | return (*count_bitarray_low20_AND_function_p)(A, B); | |
486 | } | |
487 | ||
488 | void bitarray_AND4_dispatch(uint32_t *A, uint32_t *B, uint32_t *C, uint32_t *D) { | |
af7a1f70 | 489 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 490 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
491 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 492 | if (__builtin_cpu_supports("avx512f")) bitarray_AND4_function_p = &bitarray_AND4_AVX512; |
493 | else if (__builtin_cpu_supports("avx2")) bitarray_AND4_function_p = &bitarray_AND4_AVX2; | |
087c8bf3 | 494 | #else |
f950ce1c | 495 | if (__builtin_cpu_supports("avx2")) bitarray_AND4_function_p = &bitarray_AND4_AVX2; |
087c8bf3 | 496 | #endif |
c48c4d78 | 497 | else if (__builtin_cpu_supports("avx")) bitarray_AND4_function_p = &bitarray_AND4_AVX; |
498 | else if (__builtin_cpu_supports("sse2")) bitarray_AND4_function_p = &bitarray_AND4_SSE2; | |
499 | else if (__builtin_cpu_supports("mmx")) bitarray_AND4_function_p = &bitarray_AND4_MMX; | |
087c8bf3 | 500 | else |
501 | #endif | |
af7a1f70 | 502 | #endif |
503 | bitarray_AND4_function_p = &bitarray_AND4_NOSIMD; | |
504 | ||
c48c4d78 | 505 | // call the most optimized function for this CPU |
506 | (*bitarray_AND4_function_p)(A, B, C, D); | |
507 | } | |
508 | ||
509 | void bitarray_OR_dispatch(uint32_t *A, uint32_t *B) { | |
af7a1f70 | 510 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 511 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
512 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 513 | if (__builtin_cpu_supports("avx512f")) bitarray_OR_function_p = &bitarray_OR_AVX512; |
514 | else if (__builtin_cpu_supports("avx2")) bitarray_OR_function_p = &bitarray_OR_AVX2; | |
087c8bf3 | 515 | #else |
f950ce1c | 516 | if (__builtin_cpu_supports("avx2")) bitarray_OR_function_p = &bitarray_OR_AVX2; |
087c8bf3 | 517 | #endif |
c48c4d78 | 518 | else if (__builtin_cpu_supports("avx")) bitarray_OR_function_p = &bitarray_OR_AVX; |
519 | else if (__builtin_cpu_supports("sse2")) bitarray_OR_function_p = &bitarray_OR_SSE2; | |
520 | else if (__builtin_cpu_supports("mmx")) bitarray_OR_function_p = &bitarray_OR_MMX; | |
087c8bf3 | 521 | else |
522 | #endif | |
af7a1f70 | 523 | #endif |
524 | bitarray_OR_function_p = &bitarray_OR_NOSIMD; | |
525 | ||
c48c4d78 | 526 | // call the most optimized function for this CPU |
527 | (*bitarray_OR_function_p)(A,B); | |
528 | } | |
529 | ||
530 | uint32_t count_bitarray_AND2_dispatch(uint32_t *A, uint32_t *B) { | |
af7a1f70 | 531 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 532 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
533 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 534 | if (__builtin_cpu_supports("avx512f")) count_bitarray_AND2_function_p = &count_bitarray_AND2_AVX512; |
535 | else if (__builtin_cpu_supports("avx2")) count_bitarray_AND2_function_p = &count_bitarray_AND2_AVX2; | |
087c8bf3 | 536 | #else |
f950ce1c | 537 | if (__builtin_cpu_supports("avx2")) count_bitarray_AND2_function_p = &count_bitarray_AND2_AVX2; |
087c8bf3 | 538 | #endif |
c48c4d78 | 539 | else if (__builtin_cpu_supports("avx")) count_bitarray_AND2_function_p = &count_bitarray_AND2_AVX; |
540 | else if (__builtin_cpu_supports("sse2")) count_bitarray_AND2_function_p = &count_bitarray_AND2_SSE2; | |
541 | else if (__builtin_cpu_supports("mmx")) count_bitarray_AND2_function_p = &count_bitarray_AND2_MMX; | |
087c8bf3 | 542 | else |
543 | #endif | |
af7a1f70 | 544 | #endif |
545 | count_bitarray_AND2_function_p = &count_bitarray_AND2_NOSIMD; | |
546 | ||
c48c4d78 | 547 | // call the most optimized function for this CPU |
548 | return (*count_bitarray_AND2_function_p)(A, B); | |
549 | } | |
550 | ||
551 | uint32_t count_bitarray_AND3_dispatch(uint32_t *A, uint32_t *B, uint32_t *C) { | |
af7a1f70 | 552 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 553 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
554 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 555 | if (__builtin_cpu_supports("avx512f")) count_bitarray_AND3_function_p = &count_bitarray_AND3_AVX512; |
556 | else if (__builtin_cpu_supports("avx2")) count_bitarray_AND3_function_p = &count_bitarray_AND3_AVX2; | |
087c8bf3 | 557 | #else |
f950ce1c | 558 | if (__builtin_cpu_supports("avx2")) count_bitarray_AND3_function_p = &count_bitarray_AND3_AVX2; |
087c8bf3 | 559 | #endif |
c48c4d78 | 560 | else if (__builtin_cpu_supports("avx")) count_bitarray_AND3_function_p = &count_bitarray_AND3_AVX; |
561 | else if (__builtin_cpu_supports("sse2")) count_bitarray_AND3_function_p = &count_bitarray_AND3_SSE2; | |
562 | else if (__builtin_cpu_supports("mmx")) count_bitarray_AND3_function_p = &count_bitarray_AND3_MMX; | |
087c8bf3 | 563 | else |
564 | #endif | |
af7a1f70 | 565 | #endif |
566 | count_bitarray_AND3_function_p = &count_bitarray_AND3_NOSIMD; | |
567 | ||
c48c4d78 | 568 | // call the most optimized function for this CPU |
569 | return (*count_bitarray_AND3_function_p)(A, B, C); | |
570 | } | |
571 | ||
572 | uint32_t count_bitarray_AND4_dispatch(uint32_t *A, uint32_t *B, uint32_t *C, uint32_t *D) { | |
af7a1f70 | 573 | #if defined (__i386__) || defined (__x86_64__) |
087c8bf3 | 574 | #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8)) |
575 | #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) | |
c48c4d78 | 576 | if (__builtin_cpu_supports("avx512f")) count_bitarray_AND4_function_p = &count_bitarray_AND4_AVX512; |
577 | else if (__builtin_cpu_supports("avx2")) count_bitarray_AND4_function_p = &count_bitarray_AND4_AVX2; | |
087c8bf3 | 578 | #else |
f950ce1c | 579 | if (__builtin_cpu_supports("avx2")) count_bitarray_AND4_function_p = &count_bitarray_AND4_AVX2; |
087c8bf3 | 580 | #endif |
c48c4d78 | 581 | else if (__builtin_cpu_supports("avx")) count_bitarray_AND4_function_p = &count_bitarray_AND4_AVX; |
582 | else if (__builtin_cpu_supports("sse2")) count_bitarray_AND4_function_p = &count_bitarray_AND4_SSE2; | |
583 | else if (__builtin_cpu_supports("mmx")) count_bitarray_AND4_function_p = &count_bitarray_AND4_MMX; | |
087c8bf3 | 584 | else |
585 | #endif | |
af7a1f70 | 586 | #endif |
587 | count_bitarray_AND4_function_p = &count_bitarray_AND4_NOSIMD; | |
588 | ||
c48c4d78 | 589 | // call the most optimized function for this CPU |
590 | return (*count_bitarray_AND4_function_p)(A, B, C, D); | |
591 | } | |
592 | ||
593 | ||
594 | ///////////////////////////////////////////////77 | |
595 | // Entries to dispatched function calls | |
596 | ||
597 | uint32_t *malloc_bitarray(uint32_t x) { | |
598 | return (*malloc_bitarray_function_p)(x); | |
599 | } | |
600 | ||
601 | void free_bitarray(uint32_t *x) { | |
602 | (*free_bitarray_function_p)(x); | |
603 | } | |
604 | ||
605 | uint32_t bitcount(uint32_t a) { | |
606 | return (*bitcount_function_p)(a); | |
607 | } | |
608 | ||
609 | uint32_t count_states(uint32_t *bitarray) { | |
610 | return (*count_states_function_p)(bitarray); | |
611 | } | |
612 | ||
613 | void bitarray_AND(uint32_t *A, uint32_t *B) { | |
614 | (*bitarray_AND_function_p)(A, B); | |
615 | } | |
616 | ||
617 | void bitarray_low20_AND(uint32_t *A, uint32_t *B) { | |
618 | (*bitarray_low20_AND_function_p)(A, B); | |
619 | } | |
620 | ||
621 | uint32_t count_bitarray_AND(uint32_t *A, uint32_t *B) { | |
622 | return (*count_bitarray_AND_function_p)(A, B); | |
623 | } | |
624 | ||
625 | uint32_t count_bitarray_low20_AND(uint32_t *A, uint32_t *B) { | |
626 | return (*count_bitarray_low20_AND_function_p)(A, B); | |
627 | } | |
628 | ||
629 | void bitarray_AND4(uint32_t *A, uint32_t *B, uint32_t *C, uint32_t *D) { | |
630 | (*bitarray_AND4_function_p)(A, B, C, D); | |
631 | } | |
632 | ||
633 | void bitarray_OR(uint32_t *A, uint32_t *B) { | |
634 | (*bitarray_OR_function_p)(A, B); | |
635 | } | |
636 | ||
637 | uint32_t count_bitarray_AND2(uint32_t *A, uint32_t *B) { | |
638 | return (*count_bitarray_AND2_function_p)(A, B); | |
639 | } | |
640 | ||
641 | uint32_t count_bitarray_AND3(uint32_t *A, uint32_t *B, uint32_t *C) { | |
642 | return (*count_bitarray_AND3_function_p)(A, B, C); | |
643 | } | |
644 | ||
645 | uint32_t count_bitarray_AND4(uint32_t *A, uint32_t *B, uint32_t *C, uint32_t *D) { | |
646 | return (*count_bitarray_AND4_function_p)(A, B, C, D); | |
647 | } | |
648 | ||
649 | #endif | |
650 |