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be13f7bf | 1 | /* memcmp with SSSE3, wmemcmp with SSSE3 |
d4697bc9 | 2 | Copyright (C) 2011-2014 Free Software Foundation, Inc. |
be13f7bf LD |
3 | Contributed by Intel Corporation. |
4 | This file is part of the GNU C Library. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
2d1f3a4d | 11 | The GNU C Library is distributed in the hope that it will be useful, |
be13f7bf LD |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
be13f7bf LD |
19 | |
20 | #ifndef NOT_IN_libc | |
21 | ||
22 | # include <sysdep.h> | |
23 | ||
24 | # ifndef MEMCMP | |
25 | # define MEMCMP __memcmp_ssse3 | |
26 | # endif | |
27 | ||
be13f7bf | 28 | /* Warning! |
2d1f3a4d UD |
29 | wmemcmp has to use SIGNED comparison for elements. |
30 | memcmp has to use UNSIGNED comparison for elemnts. | |
be13f7bf LD |
31 | */ |
32 | ||
33 | atom_text_section | |
34 | ENTRY (MEMCMP) | |
35 | # ifdef USE_AS_WMEMCMP | |
36 | shl $2, %rdx | |
37 | test %rdx, %rdx | |
38 | jz L(equal) | |
39 | # endif | |
40 | mov %rdx, %rcx | |
41 | mov %rdi, %rdx | |
42 | cmp $48, %rcx; | |
43 | jae L(48bytesormore) /* LEN => 48 */ | |
44 | ||
45 | add %rcx, %rsi | |
46 | add %rcx, %rdi | |
47 | jmp L(less48bytes) | |
48 | ||
e7044ea7 | 49 | .p2align 4 |
be13f7bf LD |
50 | /* ECX >= 32. */ |
51 | L(48bytesormore): | |
52 | movdqu (%rdi), %xmm3 | |
53 | movdqu (%rsi), %xmm0 | |
54 | pcmpeqb %xmm0, %xmm3 | |
55 | pmovmskb %xmm3, %edx | |
56 | lea 16(%rdi), %rdi | |
57 | lea 16(%rsi), %rsi | |
58 | sub $0xffff, %edx | |
59 | jnz L(less16bytes) | |
60 | mov %edi, %edx | |
61 | and $0xf, %edx | |
62 | xor %rdx, %rdi | |
63 | sub %rdx, %rsi | |
64 | add %rdx, %rcx | |
65 | mov %esi, %edx | |
66 | and $0xf, %edx | |
67 | jz L(shr_0) | |
68 | xor %rdx, %rsi | |
69 | ||
70 | # ifndef USE_AS_WMEMCMP | |
71 | cmp $8, %edx | |
72 | jae L(next_unaligned_table) | |
73 | cmp $0, %edx | |
74 | je L(shr_0) | |
75 | cmp $1, %edx | |
76 | je L(shr_1) | |
77 | cmp $2, %edx | |
78 | je L(shr_2) | |
79 | cmp $3, %edx | |
80 | je L(shr_3) | |
81 | cmp $4, %edx | |
82 | je L(shr_4) | |
83 | cmp $5, %edx | |
84 | je L(shr_5) | |
85 | cmp $6, %edx | |
86 | je L(shr_6) | |
87 | jmp L(shr_7) | |
88 | ||
e7044ea7 | 89 | .p2align 2 |
be13f7bf LD |
90 | L(next_unaligned_table): |
91 | cmp $8, %edx | |
92 | je L(shr_8) | |
93 | cmp $9, %edx | |
94 | je L(shr_9) | |
95 | cmp $10, %edx | |
96 | je L(shr_10) | |
97 | cmp $11, %edx | |
98 | je L(shr_11) | |
99 | cmp $12, %edx | |
100 | je L(shr_12) | |
101 | cmp $13, %edx | |
102 | je L(shr_13) | |
103 | cmp $14, %edx | |
104 | je L(shr_14) | |
105 | jmp L(shr_15) | |
106 | # else | |
107 | cmp $0, %edx | |
108 | je L(shr_0) | |
109 | cmp $4, %edx | |
110 | je L(shr_4) | |
111 | cmp $8, %edx | |
112 | je L(shr_8) | |
113 | jmp L(shr_12) | |
114 | # endif | |
115 | ||
e7044ea7 | 116 | .p2align 4 |
be13f7bf LD |
117 | L(shr_0): |
118 | cmp $80, %rcx | |
119 | lea -48(%rcx), %rcx | |
120 | jae L(shr_0_gobble) | |
121 | xor %eax, %eax | |
122 | movdqa (%rsi), %xmm1 | |
123 | pcmpeqb (%rdi), %xmm1 | |
124 | movdqa 16(%rsi), %xmm2 | |
125 | pcmpeqb 16(%rdi), %xmm2 | |
126 | pand %xmm1, %xmm2 | |
127 | pmovmskb %xmm2, %edx | |
128 | lea 32(%rdi), %rdi | |
129 | lea 32(%rsi), %rsi | |
130 | sub $0xffff, %edx | |
131 | jnz L(exit) | |
132 | add %rcx, %rsi | |
133 | add %rcx, %rdi | |
134 | jmp L(less48bytes) | |
135 | ||
e7044ea7 | 136 | .p2align 4 |
be13f7bf LD |
137 | L(shr_0_gobble): |
138 | movdqa (%rsi), %xmm0 | |
139 | xor %eax, %eax | |
140 | pcmpeqb (%rdi), %xmm0 | |
141 | sub $32, %rcx | |
142 | movdqa 16(%rsi), %xmm2 | |
143 | pcmpeqb 16(%rdi), %xmm2 | |
144 | L(shr_0_gobble_loop): | |
145 | pand %xmm0, %xmm2 | |
146 | sub $32, %rcx | |
147 | pmovmskb %xmm2, %edx | |
148 | movdqa %xmm0, %xmm1 | |
149 | movdqa 32(%rsi), %xmm0 | |
150 | movdqa 48(%rsi), %xmm2 | |
151 | sbb $0xffff, %edx | |
152 | pcmpeqb 32(%rdi), %xmm0 | |
153 | pcmpeqb 48(%rdi), %xmm2 | |
154 | lea 32(%rdi), %rdi | |
155 | lea 32(%rsi), %rsi | |
156 | jz L(shr_0_gobble_loop) | |
157 | ||
158 | pand %xmm0, %xmm2 | |
159 | cmp $0, %rcx | |
160 | jge L(next) | |
161 | inc %edx | |
162 | add $32, %rcx | |
163 | L(next): | |
164 | test %edx, %edx | |
165 | jnz L(exit) | |
166 | ||
167 | pmovmskb %xmm2, %edx | |
168 | movdqa %xmm0, %xmm1 | |
169 | lea 32(%rdi), %rdi | |
170 | lea 32(%rsi), %rsi | |
171 | sub $0xffff, %edx | |
172 | jnz L(exit) | |
173 | add %rcx, %rsi | |
174 | add %rcx, %rdi | |
175 | jmp L(less48bytes) | |
176 | ||
177 | # ifndef USE_AS_WMEMCMP | |
178 | ||
e7044ea7 | 179 | .p2align 4 |
be13f7bf LD |
180 | L(shr_1): |
181 | cmp $80, %rcx | |
182 | lea -48(%rcx), %rcx | |
183 | mov %edx, %eax | |
184 | jae L(shr_1_gobble) | |
185 | ||
186 | movdqa 16(%rsi), %xmm1 | |
187 | movdqa %xmm1, %xmm2 | |
188 | palignr $1, (%rsi), %xmm1 | |
189 | pcmpeqb (%rdi), %xmm1 | |
190 | ||
191 | movdqa 32(%rsi), %xmm3 | |
192 | palignr $1, %xmm2, %xmm3 | |
193 | pcmpeqb 16(%rdi), %xmm3 | |
194 | ||
195 | pand %xmm1, %xmm3 | |
196 | pmovmskb %xmm3, %edx | |
197 | lea 32(%rdi), %rdi | |
198 | lea 32(%rsi), %rsi | |
199 | sub $0xffff, %edx | |
200 | jnz L(exit) | |
201 | add $1, %rsi | |
202 | add %rcx, %rsi | |
203 | add %rcx, %rdi | |
204 | jmp L(less48bytes) | |
205 | ||
e7044ea7 | 206 | .p2align 4 |
be13f7bf LD |
207 | L(shr_1_gobble): |
208 | sub $32, %rcx | |
209 | movdqa 16(%rsi), %xmm0 | |
210 | palignr $1, (%rsi), %xmm0 | |
211 | pcmpeqb (%rdi), %xmm0 | |
212 | ||
213 | movdqa 32(%rsi), %xmm3 | |
214 | palignr $1, 16(%rsi), %xmm3 | |
215 | pcmpeqb 16(%rdi), %xmm3 | |
216 | ||
217 | L(shr_1_gobble_loop): | |
218 | pand %xmm0, %xmm3 | |
219 | sub $32, %rcx | |
220 | pmovmskb %xmm3, %edx | |
221 | movdqa %xmm0, %xmm1 | |
222 | ||
223 | movdqa 64(%rsi), %xmm3 | |
224 | palignr $1, 48(%rsi), %xmm3 | |
225 | sbb $0xffff, %edx | |
226 | movdqa 48(%rsi), %xmm0 | |
227 | palignr $1, 32(%rsi), %xmm0 | |
228 | pcmpeqb 32(%rdi), %xmm0 | |
229 | lea 32(%rsi), %rsi | |
230 | pcmpeqb 48(%rdi), %xmm3 | |
231 | ||
232 | lea 32(%rdi), %rdi | |
233 | jz L(shr_1_gobble_loop) | |
234 | pand %xmm0, %xmm3 | |
235 | ||
236 | cmp $0, %rcx | |
237 | jge L(shr_1_gobble_next) | |
238 | inc %edx | |
239 | add $32, %rcx | |
240 | L(shr_1_gobble_next): | |
241 | test %edx, %edx | |
242 | jnz L(exit) | |
243 | ||
244 | pmovmskb %xmm3, %edx | |
245 | movdqa %xmm0, %xmm1 | |
246 | lea 32(%rdi), %rdi | |
247 | lea 32(%rsi), %rsi | |
248 | sub $0xffff, %edx | |
249 | jnz L(exit) | |
250 | ||
251 | lea 1(%rsi), %rsi | |
252 | add %rcx, %rsi | |
253 | add %rcx, %rdi | |
254 | jmp L(less48bytes) | |
255 | ||
256 | ||
e7044ea7 | 257 | .p2align 4 |
be13f7bf LD |
258 | L(shr_2): |
259 | cmp $80, %rcx | |
260 | lea -48(%rcx), %rcx | |
261 | mov %edx, %eax | |
262 | jae L(shr_2_gobble) | |
263 | ||
264 | movdqa 16(%rsi), %xmm1 | |
265 | movdqa %xmm1, %xmm2 | |
266 | palignr $2, (%rsi), %xmm1 | |
267 | pcmpeqb (%rdi), %xmm1 | |
268 | ||
269 | movdqa 32(%rsi), %xmm3 | |
270 | palignr $2, %xmm2, %xmm3 | |
271 | pcmpeqb 16(%rdi), %xmm3 | |
272 | ||
273 | pand %xmm1, %xmm3 | |
274 | pmovmskb %xmm3, %edx | |
275 | lea 32(%rdi), %rdi | |
276 | lea 32(%rsi), %rsi | |
277 | sub $0xffff, %edx | |
278 | jnz L(exit) | |
279 | add $2, %rsi | |
280 | add %rcx, %rsi | |
281 | add %rcx, %rdi | |
282 | jmp L(less48bytes) | |
283 | ||
e7044ea7 | 284 | .p2align 4 |
be13f7bf LD |
285 | L(shr_2_gobble): |
286 | sub $32, %rcx | |
287 | movdqa 16(%rsi), %xmm0 | |
288 | palignr $2, (%rsi), %xmm0 | |
289 | pcmpeqb (%rdi), %xmm0 | |
290 | ||
291 | movdqa 32(%rsi), %xmm3 | |
292 | palignr $2, 16(%rsi), %xmm3 | |
293 | pcmpeqb 16(%rdi), %xmm3 | |
294 | ||
295 | L(shr_2_gobble_loop): | |
296 | pand %xmm0, %xmm3 | |
297 | sub $32, %rcx | |
298 | pmovmskb %xmm3, %edx | |
299 | movdqa %xmm0, %xmm1 | |
300 | ||
301 | movdqa 64(%rsi), %xmm3 | |
302 | palignr $2, 48(%rsi), %xmm3 | |
303 | sbb $0xffff, %edx | |
304 | movdqa 48(%rsi), %xmm0 | |
305 | palignr $2, 32(%rsi), %xmm0 | |
306 | pcmpeqb 32(%rdi), %xmm0 | |
307 | lea 32(%rsi), %rsi | |
308 | pcmpeqb 48(%rdi), %xmm3 | |
309 | ||
310 | lea 32(%rdi), %rdi | |
311 | jz L(shr_2_gobble_loop) | |
312 | pand %xmm0, %xmm3 | |
313 | ||
314 | cmp $0, %rcx | |
315 | jge L(shr_2_gobble_next) | |
316 | inc %edx | |
317 | add $32, %rcx | |
318 | L(shr_2_gobble_next): | |
319 | test %edx, %edx | |
320 | jnz L(exit) | |
321 | ||
322 | pmovmskb %xmm3, %edx | |
323 | movdqa %xmm0, %xmm1 | |
324 | lea 32(%rdi), %rdi | |
325 | lea 32(%rsi), %rsi | |
326 | sub $0xffff, %edx | |
327 | jnz L(exit) | |
328 | ||
329 | lea 2(%rsi), %rsi | |
330 | add %rcx, %rsi | |
331 | add %rcx, %rdi | |
332 | jmp L(less48bytes) | |
333 | ||
e7044ea7 | 334 | .p2align 4 |
be13f7bf LD |
335 | L(shr_3): |
336 | cmp $80, %rcx | |
337 | lea -48(%rcx), %rcx | |
338 | mov %edx, %eax | |
339 | jae L(shr_3_gobble) | |
340 | ||
341 | movdqa 16(%rsi), %xmm1 | |
342 | movdqa %xmm1, %xmm2 | |
343 | palignr $3, (%rsi), %xmm1 | |
344 | pcmpeqb (%rdi), %xmm1 | |
345 | ||
346 | movdqa 32(%rsi), %xmm3 | |
347 | palignr $3, %xmm2, %xmm3 | |
348 | pcmpeqb 16(%rdi), %xmm3 | |
349 | ||
350 | pand %xmm1, %xmm3 | |
351 | pmovmskb %xmm3, %edx | |
352 | lea 32(%rdi), %rdi | |
353 | lea 32(%rsi), %rsi | |
354 | sub $0xffff, %edx | |
355 | jnz L(exit) | |
356 | add $3, %rsi | |
357 | add %rcx, %rsi | |
358 | add %rcx, %rdi | |
359 | jmp L(less48bytes) | |
360 | ||
e7044ea7 | 361 | .p2align 4 |
be13f7bf LD |
362 | L(shr_3_gobble): |
363 | sub $32, %rcx | |
364 | movdqa 16(%rsi), %xmm0 | |
365 | palignr $3, (%rsi), %xmm0 | |
366 | pcmpeqb (%rdi), %xmm0 | |
367 | ||
368 | movdqa 32(%rsi), %xmm3 | |
369 | palignr $3, 16(%rsi), %xmm3 | |
370 | pcmpeqb 16(%rdi), %xmm3 | |
371 | ||
372 | L(shr_3_gobble_loop): | |
373 | pand %xmm0, %xmm3 | |
374 | sub $32, %rcx | |
375 | pmovmskb %xmm3, %edx | |
376 | movdqa %xmm0, %xmm1 | |
377 | ||
378 | movdqa 64(%rsi), %xmm3 | |
379 | palignr $3, 48(%rsi), %xmm3 | |
380 | sbb $0xffff, %edx | |
381 | movdqa 48(%rsi), %xmm0 | |
382 | palignr $3, 32(%rsi), %xmm0 | |
383 | pcmpeqb 32(%rdi), %xmm0 | |
384 | lea 32(%rsi), %rsi | |
385 | pcmpeqb 48(%rdi), %xmm3 | |
386 | ||
387 | lea 32(%rdi), %rdi | |
388 | jz L(shr_3_gobble_loop) | |
389 | pand %xmm0, %xmm3 | |
390 | ||
391 | cmp $0, %rcx | |
392 | jge L(shr_3_gobble_next) | |
393 | inc %edx | |
394 | add $32, %rcx | |
395 | L(shr_3_gobble_next): | |
396 | test %edx, %edx | |
397 | jnz L(exit) | |
398 | ||
399 | pmovmskb %xmm3, %edx | |
400 | movdqa %xmm0, %xmm1 | |
401 | lea 32(%rdi), %rdi | |
402 | lea 32(%rsi), %rsi | |
403 | sub $0xffff, %edx | |
404 | jnz L(exit) | |
405 | ||
406 | lea 3(%rsi), %rsi | |
407 | add %rcx, %rsi | |
408 | add %rcx, %rdi | |
409 | jmp L(less48bytes) | |
410 | ||
411 | # endif | |
412 | ||
e7044ea7 | 413 | .p2align 4 |
be13f7bf LD |
414 | L(shr_4): |
415 | cmp $80, %rcx | |
416 | lea -48(%rcx), %rcx | |
417 | mov %edx, %eax | |
418 | jae L(shr_4_gobble) | |
419 | ||
420 | movdqa 16(%rsi), %xmm1 | |
421 | movdqa %xmm1, %xmm2 | |
422 | palignr $4, (%rsi), %xmm1 | |
423 | pcmpeqb (%rdi), %xmm1 | |
424 | ||
425 | movdqa 32(%rsi), %xmm3 | |
426 | palignr $4, %xmm2, %xmm3 | |
427 | pcmpeqb 16(%rdi), %xmm3 | |
428 | ||
429 | pand %xmm1, %xmm3 | |
430 | pmovmskb %xmm3, %edx | |
431 | lea 32(%rdi), %rdi | |
432 | lea 32(%rsi), %rsi | |
433 | sub $0xffff, %edx | |
434 | jnz L(exit) | |
435 | add $4, %rsi | |
436 | add %rcx, %rsi | |
437 | add %rcx, %rdi | |
438 | jmp L(less48bytes) | |
439 | ||
e7044ea7 | 440 | .p2align 4 |
be13f7bf LD |
441 | L(shr_4_gobble): |
442 | sub $32, %rcx | |
443 | movdqa 16(%rsi), %xmm0 | |
444 | palignr $4, (%rsi), %xmm0 | |
445 | pcmpeqb (%rdi), %xmm0 | |
446 | ||
447 | movdqa 32(%rsi), %xmm3 | |
448 | palignr $4, 16(%rsi), %xmm3 | |
449 | pcmpeqb 16(%rdi), %xmm3 | |
450 | ||
451 | L(shr_4_gobble_loop): | |
452 | pand %xmm0, %xmm3 | |
453 | sub $32, %rcx | |
454 | pmovmskb %xmm3, %edx | |
455 | movdqa %xmm0, %xmm1 | |
456 | ||
457 | movdqa 64(%rsi), %xmm3 | |
458 | palignr $4, 48(%rsi), %xmm3 | |
459 | sbb $0xffff, %edx | |
460 | movdqa 48(%rsi), %xmm0 | |
461 | palignr $4, 32(%rsi), %xmm0 | |
462 | pcmpeqb 32(%rdi), %xmm0 | |
463 | lea 32(%rsi), %rsi | |
464 | pcmpeqb 48(%rdi), %xmm3 | |
465 | ||
466 | lea 32(%rdi), %rdi | |
467 | jz L(shr_4_gobble_loop) | |
468 | pand %xmm0, %xmm3 | |
469 | ||
470 | cmp $0, %rcx | |
471 | jge L(shr_4_gobble_next) | |
472 | inc %edx | |
473 | add $32, %rcx | |
474 | L(shr_4_gobble_next): | |
475 | test %edx, %edx | |
476 | jnz L(exit) | |
477 | ||
478 | pmovmskb %xmm3, %edx | |
479 | movdqa %xmm0, %xmm1 | |
480 | lea 32(%rdi), %rdi | |
481 | lea 32(%rsi), %rsi | |
482 | sub $0xffff, %edx | |
483 | jnz L(exit) | |
484 | ||
485 | lea 4(%rsi), %rsi | |
486 | add %rcx, %rsi | |
487 | add %rcx, %rdi | |
488 | jmp L(less48bytes) | |
489 | ||
490 | # ifndef USE_AS_WMEMCMP | |
491 | ||
e7044ea7 | 492 | .p2align 4 |
be13f7bf LD |
493 | L(shr_5): |
494 | cmp $80, %rcx | |
495 | lea -48(%rcx), %rcx | |
496 | mov %edx, %eax | |
497 | jae L(shr_5_gobble) | |
498 | ||
499 | movdqa 16(%rsi), %xmm1 | |
500 | movdqa %xmm1, %xmm2 | |
501 | palignr $5, (%rsi), %xmm1 | |
502 | pcmpeqb (%rdi), %xmm1 | |
503 | ||
504 | movdqa 32(%rsi), %xmm3 | |
505 | palignr $5, %xmm2, %xmm3 | |
506 | pcmpeqb 16(%rdi), %xmm3 | |
507 | ||
508 | pand %xmm1, %xmm3 | |
509 | pmovmskb %xmm3, %edx | |
510 | lea 32(%rdi), %rdi | |
511 | lea 32(%rsi), %rsi | |
512 | sub $0xffff, %edx | |
513 | jnz L(exit) | |
514 | add $5, %rsi | |
515 | add %rcx, %rsi | |
516 | add %rcx, %rdi | |
517 | jmp L(less48bytes) | |
518 | ||
e7044ea7 | 519 | .p2align 4 |
be13f7bf LD |
520 | L(shr_5_gobble): |
521 | sub $32, %rcx | |
522 | movdqa 16(%rsi), %xmm0 | |
523 | palignr $5, (%rsi), %xmm0 | |
524 | pcmpeqb (%rdi), %xmm0 | |
525 | ||
526 | movdqa 32(%rsi), %xmm3 | |
527 | palignr $5, 16(%rsi), %xmm3 | |
528 | pcmpeqb 16(%rdi), %xmm3 | |
529 | ||
530 | L(shr_5_gobble_loop): | |
531 | pand %xmm0, %xmm3 | |
532 | sub $32, %rcx | |
533 | pmovmskb %xmm3, %edx | |
534 | movdqa %xmm0, %xmm1 | |
535 | ||
536 | movdqa 64(%rsi), %xmm3 | |
537 | palignr $5, 48(%rsi), %xmm3 | |
538 | sbb $0xffff, %edx | |
539 | movdqa 48(%rsi), %xmm0 | |
540 | palignr $5, 32(%rsi), %xmm0 | |
541 | pcmpeqb 32(%rdi), %xmm0 | |
542 | lea 32(%rsi), %rsi | |
543 | pcmpeqb 48(%rdi), %xmm3 | |
544 | ||
545 | lea 32(%rdi), %rdi | |
546 | jz L(shr_5_gobble_loop) | |
547 | pand %xmm0, %xmm3 | |
548 | ||
549 | cmp $0, %rcx | |
550 | jge L(shr_5_gobble_next) | |
551 | inc %edx | |
552 | add $32, %rcx | |
553 | L(shr_5_gobble_next): | |
554 | test %edx, %edx | |
555 | jnz L(exit) | |
556 | ||
557 | pmovmskb %xmm3, %edx | |
558 | movdqa %xmm0, %xmm1 | |
559 | lea 32(%rdi), %rdi | |
560 | lea 32(%rsi), %rsi | |
561 | sub $0xffff, %edx | |
562 | jnz L(exit) | |
563 | ||
564 | lea 5(%rsi), %rsi | |
565 | add %rcx, %rsi | |
566 | add %rcx, %rdi | |
567 | jmp L(less48bytes) | |
568 | ||
e7044ea7 | 569 | .p2align 4 |
be13f7bf LD |
570 | L(shr_6): |
571 | cmp $80, %rcx | |
572 | lea -48(%rcx), %rcx | |
573 | mov %edx, %eax | |
574 | jae L(shr_6_gobble) | |
575 | ||
576 | movdqa 16(%rsi), %xmm1 | |
577 | movdqa %xmm1, %xmm2 | |
578 | palignr $6, (%rsi), %xmm1 | |
579 | pcmpeqb (%rdi), %xmm1 | |
580 | ||
581 | movdqa 32(%rsi), %xmm3 | |
582 | palignr $6, %xmm2, %xmm3 | |
583 | pcmpeqb 16(%rdi), %xmm3 | |
584 | ||
585 | pand %xmm1, %xmm3 | |
586 | pmovmskb %xmm3, %edx | |
587 | lea 32(%rdi), %rdi | |
588 | lea 32(%rsi), %rsi | |
589 | sub $0xffff, %edx | |
590 | jnz L(exit) | |
591 | add $6, %rsi | |
592 | add %rcx, %rsi | |
593 | add %rcx, %rdi | |
594 | jmp L(less48bytes) | |
595 | ||
e7044ea7 | 596 | .p2align 4 |
be13f7bf LD |
597 | L(shr_6_gobble): |
598 | sub $32, %rcx | |
599 | movdqa 16(%rsi), %xmm0 | |
600 | palignr $6, (%rsi), %xmm0 | |
601 | pcmpeqb (%rdi), %xmm0 | |
602 | ||
603 | movdqa 32(%rsi), %xmm3 | |
604 | palignr $6, 16(%rsi), %xmm3 | |
605 | pcmpeqb 16(%rdi), %xmm3 | |
606 | ||
607 | L(shr_6_gobble_loop): | |
608 | pand %xmm0, %xmm3 | |
609 | sub $32, %rcx | |
610 | pmovmskb %xmm3, %edx | |
611 | movdqa %xmm0, %xmm1 | |
612 | ||
613 | movdqa 64(%rsi), %xmm3 | |
614 | palignr $6, 48(%rsi), %xmm3 | |
615 | sbb $0xffff, %edx | |
616 | movdqa 48(%rsi), %xmm0 | |
617 | palignr $6, 32(%rsi), %xmm0 | |
618 | pcmpeqb 32(%rdi), %xmm0 | |
619 | lea 32(%rsi), %rsi | |
620 | pcmpeqb 48(%rdi), %xmm3 | |
621 | ||
622 | lea 32(%rdi), %rdi | |
623 | jz L(shr_6_gobble_loop) | |
624 | pand %xmm0, %xmm3 | |
625 | ||
626 | cmp $0, %rcx | |
627 | jge L(shr_6_gobble_next) | |
628 | inc %edx | |
629 | add $32, %rcx | |
630 | L(shr_6_gobble_next): | |
631 | test %edx, %edx | |
632 | jnz L(exit) | |
633 | ||
634 | pmovmskb %xmm3, %edx | |
635 | movdqa %xmm0, %xmm1 | |
636 | lea 32(%rdi), %rdi | |
637 | lea 32(%rsi), %rsi | |
638 | sub $0xffff, %edx | |
639 | jnz L(exit) | |
640 | ||
641 | lea 6(%rsi), %rsi | |
642 | add %rcx, %rsi | |
643 | add %rcx, %rdi | |
644 | jmp L(less48bytes) | |
645 | ||
e7044ea7 | 646 | .p2align 4 |
be13f7bf LD |
647 | L(shr_7): |
648 | cmp $80, %rcx | |
649 | lea -48(%rcx), %rcx | |
650 | mov %edx, %eax | |
651 | jae L(shr_7_gobble) | |
652 | ||
653 | movdqa 16(%rsi), %xmm1 | |
654 | movdqa %xmm1, %xmm2 | |
655 | palignr $7, (%rsi), %xmm1 | |
656 | pcmpeqb (%rdi), %xmm1 | |
657 | ||
658 | movdqa 32(%rsi), %xmm3 | |
659 | palignr $7, %xmm2, %xmm3 | |
660 | pcmpeqb 16(%rdi), %xmm3 | |
661 | ||
662 | pand %xmm1, %xmm3 | |
663 | pmovmskb %xmm3, %edx | |
664 | lea 32(%rdi), %rdi | |
665 | lea 32(%rsi), %rsi | |
666 | sub $0xffff, %edx | |
667 | jnz L(exit) | |
668 | add $7, %rsi | |
669 | add %rcx, %rsi | |
670 | add %rcx, %rdi | |
671 | jmp L(less48bytes) | |
672 | ||
e7044ea7 | 673 | .p2align 4 |
be13f7bf LD |
674 | L(shr_7_gobble): |
675 | sub $32, %rcx | |
676 | movdqa 16(%rsi), %xmm0 | |
677 | palignr $7, (%rsi), %xmm0 | |
678 | pcmpeqb (%rdi), %xmm0 | |
679 | ||
680 | movdqa 32(%rsi), %xmm3 | |
681 | palignr $7, 16(%rsi), %xmm3 | |
682 | pcmpeqb 16(%rdi), %xmm3 | |
683 | ||
684 | L(shr_7_gobble_loop): | |
685 | pand %xmm0, %xmm3 | |
686 | sub $32, %rcx | |
687 | pmovmskb %xmm3, %edx | |
688 | movdqa %xmm0, %xmm1 | |
689 | ||
690 | movdqa 64(%rsi), %xmm3 | |
691 | palignr $7, 48(%rsi), %xmm3 | |
692 | sbb $0xffff, %edx | |
693 | movdqa 48(%rsi), %xmm0 | |
694 | palignr $7, 32(%rsi), %xmm0 | |
695 | pcmpeqb 32(%rdi), %xmm0 | |
696 | lea 32(%rsi), %rsi | |
697 | pcmpeqb 48(%rdi), %xmm3 | |
698 | ||
699 | lea 32(%rdi), %rdi | |
700 | jz L(shr_7_gobble_loop) | |
701 | pand %xmm0, %xmm3 | |
702 | ||
703 | cmp $0, %rcx | |
704 | jge L(shr_7_gobble_next) | |
705 | inc %edx | |
706 | add $32, %rcx | |
707 | L(shr_7_gobble_next): | |
708 | test %edx, %edx | |
709 | jnz L(exit) | |
710 | ||
711 | pmovmskb %xmm3, %edx | |
712 | movdqa %xmm0, %xmm1 | |
713 | lea 32(%rdi), %rdi | |
714 | lea 32(%rsi), %rsi | |
715 | sub $0xffff, %edx | |
716 | jnz L(exit) | |
717 | ||
718 | lea 7(%rsi), %rsi | |
719 | add %rcx, %rsi | |
720 | add %rcx, %rdi | |
721 | jmp L(less48bytes) | |
722 | ||
723 | # endif | |
724 | ||
e7044ea7 | 725 | .p2align 4 |
be13f7bf LD |
726 | L(shr_8): |
727 | cmp $80, %rcx | |
728 | lea -48(%rcx), %rcx | |
729 | mov %edx, %eax | |
730 | jae L(shr_8_gobble) | |
731 | ||
732 | movdqa 16(%rsi), %xmm1 | |
733 | movdqa %xmm1, %xmm2 | |
734 | palignr $8, (%rsi), %xmm1 | |
735 | pcmpeqb (%rdi), %xmm1 | |
736 | ||
737 | movdqa 32(%rsi), %xmm3 | |
738 | palignr $8, %xmm2, %xmm3 | |
739 | pcmpeqb 16(%rdi), %xmm3 | |
740 | ||
741 | pand %xmm1, %xmm3 | |
742 | pmovmskb %xmm3, %edx | |
743 | lea 32(%rdi), %rdi | |
744 | lea 32(%rsi), %rsi | |
745 | sub $0xffff, %edx | |
746 | jnz L(exit) | |
747 | add $8, %rsi | |
748 | add %rcx, %rsi | |
749 | add %rcx, %rdi | |
750 | jmp L(less48bytes) | |
751 | ||
e7044ea7 | 752 | .p2align 4 |
be13f7bf LD |
753 | L(shr_8_gobble): |
754 | sub $32, %rcx | |
755 | movdqa 16(%rsi), %xmm0 | |
756 | palignr $8, (%rsi), %xmm0 | |
757 | pcmpeqb (%rdi), %xmm0 | |
758 | ||
759 | movdqa 32(%rsi), %xmm3 | |
760 | palignr $8, 16(%rsi), %xmm3 | |
761 | pcmpeqb 16(%rdi), %xmm3 | |
762 | ||
763 | L(shr_8_gobble_loop): | |
764 | pand %xmm0, %xmm3 | |
765 | sub $32, %rcx | |
766 | pmovmskb %xmm3, %edx | |
767 | movdqa %xmm0, %xmm1 | |
768 | ||
769 | movdqa 64(%rsi), %xmm3 | |
770 | palignr $8, 48(%rsi), %xmm3 | |
771 | sbb $0xffff, %edx | |
772 | movdqa 48(%rsi), %xmm0 | |
773 | palignr $8, 32(%rsi), %xmm0 | |
774 | pcmpeqb 32(%rdi), %xmm0 | |
775 | lea 32(%rsi), %rsi | |
776 | pcmpeqb 48(%rdi), %xmm3 | |
777 | ||
778 | lea 32(%rdi), %rdi | |
779 | jz L(shr_8_gobble_loop) | |
780 | pand %xmm0, %xmm3 | |
781 | ||
782 | cmp $0, %rcx | |
783 | jge L(shr_8_gobble_next) | |
784 | inc %edx | |
785 | add $32, %rcx | |
786 | L(shr_8_gobble_next): | |
787 | test %edx, %edx | |
788 | jnz L(exit) | |
789 | ||
790 | pmovmskb %xmm3, %edx | |
791 | movdqa %xmm0, %xmm1 | |
792 | lea 32(%rdi), %rdi | |
793 | lea 32(%rsi), %rsi | |
794 | sub $0xffff, %edx | |
795 | jnz L(exit) | |
796 | ||
797 | lea 8(%rsi), %rsi | |
798 | add %rcx, %rsi | |
799 | add %rcx, %rdi | |
800 | jmp L(less48bytes) | |
801 | ||
802 | # ifndef USE_AS_WMEMCMP | |
803 | ||
e7044ea7 | 804 | .p2align 4 |
be13f7bf LD |
805 | L(shr_9): |
806 | cmp $80, %rcx | |
807 | lea -48(%rcx), %rcx | |
808 | mov %edx, %eax | |
809 | jae L(shr_9_gobble) | |
810 | ||
811 | movdqa 16(%rsi), %xmm1 | |
812 | movdqa %xmm1, %xmm2 | |
813 | palignr $9, (%rsi), %xmm1 | |
814 | pcmpeqb (%rdi), %xmm1 | |
815 | ||
816 | movdqa 32(%rsi), %xmm3 | |
817 | palignr $9, %xmm2, %xmm3 | |
818 | pcmpeqb 16(%rdi), %xmm3 | |
819 | ||
820 | pand %xmm1, %xmm3 | |
821 | pmovmskb %xmm3, %edx | |
822 | lea 32(%rdi), %rdi | |
823 | lea 32(%rsi), %rsi | |
824 | sub $0xffff, %edx | |
825 | jnz L(exit) | |
826 | add $9, %rsi | |
827 | add %rcx, %rsi | |
828 | add %rcx, %rdi | |
829 | jmp L(less48bytes) | |
830 | ||
e7044ea7 | 831 | .p2align 4 |
be13f7bf LD |
832 | L(shr_9_gobble): |
833 | sub $32, %rcx | |
834 | movdqa 16(%rsi), %xmm0 | |
835 | palignr $9, (%rsi), %xmm0 | |
836 | pcmpeqb (%rdi), %xmm0 | |
837 | ||
838 | movdqa 32(%rsi), %xmm3 | |
839 | palignr $9, 16(%rsi), %xmm3 | |
840 | pcmpeqb 16(%rdi), %xmm3 | |
841 | ||
842 | L(shr_9_gobble_loop): | |
843 | pand %xmm0, %xmm3 | |
844 | sub $32, %rcx | |
845 | pmovmskb %xmm3, %edx | |
846 | movdqa %xmm0, %xmm1 | |
847 | ||
848 | movdqa 64(%rsi), %xmm3 | |
849 | palignr $9, 48(%rsi), %xmm3 | |
850 | sbb $0xffff, %edx | |
851 | movdqa 48(%rsi), %xmm0 | |
852 | palignr $9, 32(%rsi), %xmm0 | |
853 | pcmpeqb 32(%rdi), %xmm0 | |
854 | lea 32(%rsi), %rsi | |
855 | pcmpeqb 48(%rdi), %xmm3 | |
856 | ||
857 | lea 32(%rdi), %rdi | |
858 | jz L(shr_9_gobble_loop) | |
859 | pand %xmm0, %xmm3 | |
860 | ||
861 | cmp $0, %rcx | |
862 | jge L(shr_9_gobble_next) | |
863 | inc %edx | |
864 | add $32, %rcx | |
865 | L(shr_9_gobble_next): | |
866 | test %edx, %edx | |
867 | jnz L(exit) | |
868 | ||
869 | pmovmskb %xmm3, %edx | |
870 | movdqa %xmm0, %xmm1 | |
871 | lea 32(%rdi), %rdi | |
872 | lea 32(%rsi), %rsi | |
873 | sub $0xffff, %edx | |
874 | jnz L(exit) | |
875 | ||
876 | lea 9(%rsi), %rsi | |
877 | add %rcx, %rsi | |
878 | add %rcx, %rdi | |
879 | jmp L(less48bytes) | |
880 | ||
e7044ea7 | 881 | .p2align 4 |
be13f7bf LD |
882 | L(shr_10): |
883 | cmp $80, %rcx | |
884 | lea -48(%rcx), %rcx | |
885 | mov %edx, %eax | |
886 | jae L(shr_10_gobble) | |
887 | ||
888 | movdqa 16(%rsi), %xmm1 | |
889 | movdqa %xmm1, %xmm2 | |
890 | palignr $10, (%rsi), %xmm1 | |
891 | pcmpeqb (%rdi), %xmm1 | |
892 | ||
893 | movdqa 32(%rsi), %xmm3 | |
894 | palignr $10, %xmm2, %xmm3 | |
895 | pcmpeqb 16(%rdi), %xmm3 | |
896 | ||
897 | pand %xmm1, %xmm3 | |
898 | pmovmskb %xmm3, %edx | |
899 | lea 32(%rdi), %rdi | |
900 | lea 32(%rsi), %rsi | |
901 | sub $0xffff, %edx | |
902 | jnz L(exit) | |
903 | add $10, %rsi | |
904 | add %rcx, %rsi | |
905 | add %rcx, %rdi | |
906 | jmp L(less48bytes) | |
907 | ||
e7044ea7 | 908 | .p2align 4 |
be13f7bf LD |
909 | L(shr_10_gobble): |
910 | sub $32, %rcx | |
911 | movdqa 16(%rsi), %xmm0 | |
912 | palignr $10, (%rsi), %xmm0 | |
913 | pcmpeqb (%rdi), %xmm0 | |
914 | ||
915 | movdqa 32(%rsi), %xmm3 | |
916 | palignr $10, 16(%rsi), %xmm3 | |
917 | pcmpeqb 16(%rdi), %xmm3 | |
918 | ||
919 | L(shr_10_gobble_loop): | |
920 | pand %xmm0, %xmm3 | |
921 | sub $32, %rcx | |
922 | pmovmskb %xmm3, %edx | |
923 | movdqa %xmm0, %xmm1 | |
924 | ||
925 | movdqa 64(%rsi), %xmm3 | |
926 | palignr $10, 48(%rsi), %xmm3 | |
927 | sbb $0xffff, %edx | |
928 | movdqa 48(%rsi), %xmm0 | |
929 | palignr $10, 32(%rsi), %xmm0 | |
930 | pcmpeqb 32(%rdi), %xmm0 | |
931 | lea 32(%rsi), %rsi | |
932 | pcmpeqb 48(%rdi), %xmm3 | |
933 | ||
934 | lea 32(%rdi), %rdi | |
935 | jz L(shr_10_gobble_loop) | |
936 | pand %xmm0, %xmm3 | |
937 | ||
938 | cmp $0, %rcx | |
939 | jge L(shr_10_gobble_next) | |
940 | inc %edx | |
941 | add $32, %rcx | |
942 | L(shr_10_gobble_next): | |
943 | test %edx, %edx | |
944 | jnz L(exit) | |
945 | ||
946 | pmovmskb %xmm3, %edx | |
947 | movdqa %xmm0, %xmm1 | |
948 | lea 32(%rdi), %rdi | |
949 | lea 32(%rsi), %rsi | |
950 | sub $0xffff, %edx | |
951 | jnz L(exit) | |
952 | ||
953 | lea 10(%rsi), %rsi | |
954 | add %rcx, %rsi | |
955 | add %rcx, %rdi | |
956 | jmp L(less48bytes) | |
957 | ||
e7044ea7 | 958 | .p2align 4 |
be13f7bf LD |
959 | L(shr_11): |
960 | cmp $80, %rcx | |
961 | lea -48(%rcx), %rcx | |
962 | mov %edx, %eax | |
963 | jae L(shr_11_gobble) | |
964 | ||
965 | movdqa 16(%rsi), %xmm1 | |
966 | movdqa %xmm1, %xmm2 | |
967 | palignr $11, (%rsi), %xmm1 | |
968 | pcmpeqb (%rdi), %xmm1 | |
969 | ||
970 | movdqa 32(%rsi), %xmm3 | |
971 | palignr $11, %xmm2, %xmm3 | |
972 | pcmpeqb 16(%rdi), %xmm3 | |
973 | ||
974 | pand %xmm1, %xmm3 | |
975 | pmovmskb %xmm3, %edx | |
976 | lea 32(%rdi), %rdi | |
977 | lea 32(%rsi), %rsi | |
978 | sub $0xffff, %edx | |
979 | jnz L(exit) | |
980 | add $11, %rsi | |
981 | add %rcx, %rsi | |
982 | add %rcx, %rdi | |
983 | jmp L(less48bytes) | |
984 | ||
e7044ea7 | 985 | .p2align 4 |
be13f7bf LD |
986 | L(shr_11_gobble): |
987 | sub $32, %rcx | |
988 | movdqa 16(%rsi), %xmm0 | |
989 | palignr $11, (%rsi), %xmm0 | |
990 | pcmpeqb (%rdi), %xmm0 | |
991 | ||
992 | movdqa 32(%rsi), %xmm3 | |
993 | palignr $11, 16(%rsi), %xmm3 | |
994 | pcmpeqb 16(%rdi), %xmm3 | |
995 | ||
996 | L(shr_11_gobble_loop): | |
997 | pand %xmm0, %xmm3 | |
998 | sub $32, %rcx | |
999 | pmovmskb %xmm3, %edx | |
1000 | movdqa %xmm0, %xmm1 | |
1001 | ||
1002 | movdqa 64(%rsi), %xmm3 | |
1003 | palignr $11, 48(%rsi), %xmm3 | |
1004 | sbb $0xffff, %edx | |
1005 | movdqa 48(%rsi), %xmm0 | |
1006 | palignr $11, 32(%rsi), %xmm0 | |
1007 | pcmpeqb 32(%rdi), %xmm0 | |
1008 | lea 32(%rsi), %rsi | |
1009 | pcmpeqb 48(%rdi), %xmm3 | |
1010 | ||
1011 | lea 32(%rdi), %rdi | |
1012 | jz L(shr_11_gobble_loop) | |
1013 | pand %xmm0, %xmm3 | |
1014 | ||
1015 | cmp $0, %rcx | |
1016 | jge L(shr_11_gobble_next) | |
1017 | inc %edx | |
1018 | add $32, %rcx | |
1019 | L(shr_11_gobble_next): | |
1020 | test %edx, %edx | |
1021 | jnz L(exit) | |
1022 | ||
1023 | pmovmskb %xmm3, %edx | |
1024 | movdqa %xmm0, %xmm1 | |
1025 | lea 32(%rdi), %rdi | |
1026 | lea 32(%rsi), %rsi | |
1027 | sub $0xffff, %edx | |
1028 | jnz L(exit) | |
1029 | ||
1030 | lea 11(%rsi), %rsi | |
1031 | add %rcx, %rsi | |
1032 | add %rcx, %rdi | |
1033 | jmp L(less48bytes) | |
1034 | ||
1035 | # endif | |
1036 | ||
e7044ea7 | 1037 | .p2align 4 |
be13f7bf LD |
1038 | L(shr_12): |
1039 | cmp $80, %rcx | |
1040 | lea -48(%rcx), %rcx | |
1041 | mov %edx, %eax | |
1042 | jae L(shr_12_gobble) | |
1043 | ||
1044 | movdqa 16(%rsi), %xmm1 | |
1045 | movdqa %xmm1, %xmm2 | |
1046 | palignr $12, (%rsi), %xmm1 | |
1047 | pcmpeqb (%rdi), %xmm1 | |
1048 | ||
1049 | movdqa 32(%rsi), %xmm3 | |
1050 | palignr $12, %xmm2, %xmm3 | |
1051 | pcmpeqb 16(%rdi), %xmm3 | |
1052 | ||
1053 | pand %xmm1, %xmm3 | |
1054 | pmovmskb %xmm3, %edx | |
1055 | lea 32(%rdi), %rdi | |
1056 | lea 32(%rsi), %rsi | |
1057 | sub $0xffff, %edx | |
1058 | jnz L(exit) | |
1059 | add $12, %rsi | |
1060 | add %rcx, %rsi | |
1061 | add %rcx, %rdi | |
1062 | jmp L(less48bytes) | |
1063 | ||
e7044ea7 | 1064 | .p2align 4 |
be13f7bf LD |
1065 | L(shr_12_gobble): |
1066 | sub $32, %rcx | |
1067 | movdqa 16(%rsi), %xmm0 | |
1068 | palignr $12, (%rsi), %xmm0 | |
1069 | pcmpeqb (%rdi), %xmm0 | |
1070 | ||
1071 | movdqa 32(%rsi), %xmm3 | |
1072 | palignr $12, 16(%rsi), %xmm3 | |
1073 | pcmpeqb 16(%rdi), %xmm3 | |
1074 | ||
1075 | L(shr_12_gobble_loop): | |
1076 | pand %xmm0, %xmm3 | |
1077 | sub $32, %rcx | |
1078 | pmovmskb %xmm3, %edx | |
1079 | movdqa %xmm0, %xmm1 | |
1080 | ||
1081 | movdqa 64(%rsi), %xmm3 | |
1082 | palignr $12, 48(%rsi), %xmm3 | |
1083 | sbb $0xffff, %edx | |
1084 | movdqa 48(%rsi), %xmm0 | |
1085 | palignr $12, 32(%rsi), %xmm0 | |
1086 | pcmpeqb 32(%rdi), %xmm0 | |
1087 | lea 32(%rsi), %rsi | |
1088 | pcmpeqb 48(%rdi), %xmm3 | |
1089 | ||
1090 | lea 32(%rdi), %rdi | |
1091 | jz L(shr_12_gobble_loop) | |
1092 | pand %xmm0, %xmm3 | |
1093 | ||
1094 | cmp $0, %rcx | |
1095 | jge L(shr_12_gobble_next) | |
1096 | inc %edx | |
1097 | add $32, %rcx | |
1098 | L(shr_12_gobble_next): | |
1099 | test %edx, %edx | |
1100 | jnz L(exit) | |
1101 | ||
1102 | pmovmskb %xmm3, %edx | |
1103 | movdqa %xmm0, %xmm1 | |
1104 | lea 32(%rdi), %rdi | |
1105 | lea 32(%rsi), %rsi | |
1106 | sub $0xffff, %edx | |
1107 | jnz L(exit) | |
1108 | ||
1109 | lea 12(%rsi), %rsi | |
1110 | add %rcx, %rsi | |
1111 | add %rcx, %rdi | |
1112 | jmp L(less48bytes) | |
1113 | ||
1114 | # ifndef USE_AS_WMEMCMP | |
1115 | ||
e7044ea7 | 1116 | .p2align 4 |
be13f7bf LD |
1117 | L(shr_13): |
1118 | cmp $80, %rcx | |
1119 | lea -48(%rcx), %rcx | |
1120 | mov %edx, %eax | |
1121 | jae L(shr_13_gobble) | |
1122 | ||
1123 | movdqa 16(%rsi), %xmm1 | |
1124 | movdqa %xmm1, %xmm2 | |
1125 | palignr $13, (%rsi), %xmm1 | |
1126 | pcmpeqb (%rdi), %xmm1 | |
1127 | ||
1128 | movdqa 32(%rsi), %xmm3 | |
1129 | palignr $13, %xmm2, %xmm3 | |
1130 | pcmpeqb 16(%rdi), %xmm3 | |
1131 | ||
1132 | pand %xmm1, %xmm3 | |
1133 | pmovmskb %xmm3, %edx | |
1134 | lea 32(%rdi), %rdi | |
1135 | lea 32(%rsi), %rsi | |
1136 | sub $0xffff, %edx | |
1137 | jnz L(exit) | |
1138 | add $13, %rsi | |
1139 | add %rcx, %rsi | |
1140 | add %rcx, %rdi | |
1141 | jmp L(less48bytes) | |
1142 | ||
e7044ea7 | 1143 | .p2align 4 |
be13f7bf LD |
1144 | L(shr_13_gobble): |
1145 | sub $32, %rcx | |
1146 | movdqa 16(%rsi), %xmm0 | |
1147 | palignr $13, (%rsi), %xmm0 | |
1148 | pcmpeqb (%rdi), %xmm0 | |
1149 | ||
1150 | movdqa 32(%rsi), %xmm3 | |
1151 | palignr $13, 16(%rsi), %xmm3 | |
1152 | pcmpeqb 16(%rdi), %xmm3 | |
1153 | ||
1154 | L(shr_13_gobble_loop): | |
1155 | pand %xmm0, %xmm3 | |
1156 | sub $32, %rcx | |
1157 | pmovmskb %xmm3, %edx | |
1158 | movdqa %xmm0, %xmm1 | |
1159 | ||
1160 | movdqa 64(%rsi), %xmm3 | |
1161 | palignr $13, 48(%rsi), %xmm3 | |
1162 | sbb $0xffff, %edx | |
1163 | movdqa 48(%rsi), %xmm0 | |
1164 | palignr $13, 32(%rsi), %xmm0 | |
1165 | pcmpeqb 32(%rdi), %xmm0 | |
1166 | lea 32(%rsi), %rsi | |
1167 | pcmpeqb 48(%rdi), %xmm3 | |
1168 | ||
1169 | lea 32(%rdi), %rdi | |
1170 | jz L(shr_13_gobble_loop) | |
1171 | pand %xmm0, %xmm3 | |
1172 | ||
1173 | cmp $0, %rcx | |
1174 | jge L(shr_13_gobble_next) | |
1175 | inc %edx | |
1176 | add $32, %rcx | |
1177 | L(shr_13_gobble_next): | |
1178 | test %edx, %edx | |
1179 | jnz L(exit) | |
1180 | ||
1181 | pmovmskb %xmm3, %edx | |
1182 | movdqa %xmm0, %xmm1 | |
1183 | lea 32(%rdi), %rdi | |
1184 | lea 32(%rsi), %rsi | |
1185 | sub $0xffff, %edx | |
1186 | jnz L(exit) | |
1187 | ||
1188 | lea 13(%rsi), %rsi | |
1189 | add %rcx, %rsi | |
1190 | add %rcx, %rdi | |
1191 | jmp L(less48bytes) | |
1192 | ||
e7044ea7 | 1193 | .p2align 4 |
be13f7bf LD |
1194 | L(shr_14): |
1195 | cmp $80, %rcx | |
1196 | lea -48(%rcx), %rcx | |
1197 | mov %edx, %eax | |
1198 | jae L(shr_14_gobble) | |
1199 | ||
1200 | movdqa 16(%rsi), %xmm1 | |
1201 | movdqa %xmm1, %xmm2 | |
1202 | palignr $14, (%rsi), %xmm1 | |
1203 | pcmpeqb (%rdi), %xmm1 | |
1204 | ||
1205 | movdqa 32(%rsi), %xmm3 | |
1206 | palignr $14, %xmm2, %xmm3 | |
1207 | pcmpeqb 16(%rdi), %xmm3 | |
1208 | ||
1209 | pand %xmm1, %xmm3 | |
1210 | pmovmskb %xmm3, %edx | |
1211 | lea 32(%rdi), %rdi | |
1212 | lea 32(%rsi), %rsi | |
1213 | sub $0xffff, %edx | |
1214 | jnz L(exit) | |
1215 | add $14, %rsi | |
1216 | add %rcx, %rsi | |
1217 | add %rcx, %rdi | |
1218 | jmp L(less48bytes) | |
1219 | ||
e7044ea7 | 1220 | .p2align 4 |
be13f7bf LD |
1221 | L(shr_14_gobble): |
1222 | sub $32, %rcx | |
1223 | movdqa 16(%rsi), %xmm0 | |
1224 | palignr $14, (%rsi), %xmm0 | |
1225 | pcmpeqb (%rdi), %xmm0 | |
1226 | ||
1227 | movdqa 32(%rsi), %xmm3 | |
1228 | palignr $14, 16(%rsi), %xmm3 | |
1229 | pcmpeqb 16(%rdi), %xmm3 | |
1230 | ||
1231 | L(shr_14_gobble_loop): | |
1232 | pand %xmm0, %xmm3 | |
1233 | sub $32, %rcx | |
1234 | pmovmskb %xmm3, %edx | |
1235 | movdqa %xmm0, %xmm1 | |
1236 | ||
1237 | movdqa 64(%rsi), %xmm3 | |
1238 | palignr $14, 48(%rsi), %xmm3 | |
1239 | sbb $0xffff, %edx | |
1240 | movdqa 48(%rsi), %xmm0 | |
1241 | palignr $14, 32(%rsi), %xmm0 | |
1242 | pcmpeqb 32(%rdi), %xmm0 | |
1243 | lea 32(%rsi), %rsi | |
1244 | pcmpeqb 48(%rdi), %xmm3 | |
1245 | ||
1246 | lea 32(%rdi), %rdi | |
1247 | jz L(shr_14_gobble_loop) | |
1248 | pand %xmm0, %xmm3 | |
1249 | ||
1250 | cmp $0, %rcx | |
1251 | jge L(shr_14_gobble_next) | |
1252 | inc %edx | |
1253 | add $32, %rcx | |
1254 | L(shr_14_gobble_next): | |
1255 | test %edx, %edx | |
1256 | jnz L(exit) | |
1257 | ||
1258 | pmovmskb %xmm3, %edx | |
1259 | movdqa %xmm0, %xmm1 | |
1260 | lea 32(%rdi), %rdi | |
1261 | lea 32(%rsi), %rsi | |
1262 | sub $0xffff, %edx | |
1263 | jnz L(exit) | |
1264 | ||
1265 | lea 14(%rsi), %rsi | |
1266 | add %rcx, %rsi | |
1267 | add %rcx, %rdi | |
1268 | jmp L(less48bytes) | |
1269 | ||
e7044ea7 | 1270 | .p2align 4 |
be13f7bf LD |
1271 | L(shr_15): |
1272 | cmp $80, %rcx | |
1273 | lea -48(%rcx), %rcx | |
1274 | mov %edx, %eax | |
1275 | jae L(shr_15_gobble) | |
1276 | ||
1277 | movdqa 16(%rsi), %xmm1 | |
1278 | movdqa %xmm1, %xmm2 | |
1279 | palignr $15, (%rsi), %xmm1 | |
1280 | pcmpeqb (%rdi), %xmm1 | |
1281 | ||
1282 | movdqa 32(%rsi), %xmm3 | |
1283 | palignr $15, %xmm2, %xmm3 | |
1284 | pcmpeqb 16(%rdi), %xmm3 | |
1285 | ||
1286 | pand %xmm1, %xmm3 | |
1287 | pmovmskb %xmm3, %edx | |
1288 | lea 32(%rdi), %rdi | |
1289 | lea 32(%rsi), %rsi | |
1290 | sub $0xffff, %edx | |
1291 | jnz L(exit) | |
1292 | add $15, %rsi | |
1293 | add %rcx, %rsi | |
1294 | add %rcx, %rdi | |
1295 | jmp L(less48bytes) | |
1296 | ||
e7044ea7 | 1297 | .p2align 4 |
be13f7bf LD |
1298 | L(shr_15_gobble): |
1299 | sub $32, %rcx | |
1300 | movdqa 16(%rsi), %xmm0 | |
1301 | palignr $15, (%rsi), %xmm0 | |
1302 | pcmpeqb (%rdi), %xmm0 | |
1303 | ||
1304 | movdqa 32(%rsi), %xmm3 | |
1305 | palignr $15, 16(%rsi), %xmm3 | |
1306 | pcmpeqb 16(%rdi), %xmm3 | |
1307 | ||
1308 | L(shr_15_gobble_loop): | |
1309 | pand %xmm0, %xmm3 | |
1310 | sub $32, %rcx | |
1311 | pmovmskb %xmm3, %edx | |
1312 | movdqa %xmm0, %xmm1 | |
1313 | ||
1314 | movdqa 64(%rsi), %xmm3 | |
1315 | palignr $15, 48(%rsi), %xmm3 | |
1316 | sbb $0xffff, %edx | |
1317 | movdqa 48(%rsi), %xmm0 | |
1318 | palignr $15, 32(%rsi), %xmm0 | |
1319 | pcmpeqb 32(%rdi), %xmm0 | |
1320 | lea 32(%rsi), %rsi | |
1321 | pcmpeqb 48(%rdi), %xmm3 | |
1322 | ||
1323 | lea 32(%rdi), %rdi | |
1324 | jz L(shr_15_gobble_loop) | |
1325 | pand %xmm0, %xmm3 | |
1326 | ||
1327 | cmp $0, %rcx | |
1328 | jge L(shr_15_gobble_next) | |
1329 | inc %edx | |
1330 | add $32, %rcx | |
1331 | L(shr_15_gobble_next): | |
1332 | test %edx, %edx | |
1333 | jnz L(exit) | |
1334 | ||
1335 | pmovmskb %xmm3, %edx | |
1336 | movdqa %xmm0, %xmm1 | |
1337 | lea 32(%rdi), %rdi | |
1338 | lea 32(%rsi), %rsi | |
1339 | sub $0xffff, %edx | |
1340 | jnz L(exit) | |
1341 | ||
1342 | lea 15(%rsi), %rsi | |
1343 | add %rcx, %rsi | |
1344 | add %rcx, %rdi | |
1345 | jmp L(less48bytes) | |
1346 | # endif | |
e7044ea7 | 1347 | .p2align 4 |
be13f7bf LD |
1348 | L(exit): |
1349 | pmovmskb %xmm1, %r8d | |
1350 | sub $0xffff, %r8d | |
1351 | jz L(first16bytes) | |
1352 | lea -16(%rsi), %rsi | |
1353 | lea -16(%rdi), %rdi | |
1354 | mov %r8d, %edx | |
1355 | L(first16bytes): | |
1356 | add %rax, %rsi | |
1357 | L(less16bytes): | |
1358 | # ifndef USE_AS_WMEMCMP | |
1359 | test %dl, %dl | |
1360 | jz L(next_24_bytes) | |
1361 | ||
1362 | test $0x01, %dl | |
1363 | jnz L(Byte16) | |
1364 | ||
1365 | test $0x02, %dl | |
1366 | jnz L(Byte17) | |
1367 | ||
1368 | test $0x04, %dl | |
1369 | jnz L(Byte18) | |
1370 | ||
1371 | test $0x08, %dl | |
1372 | jnz L(Byte19) | |
1373 | ||
1374 | test $0x10, %dl | |
1375 | jnz L(Byte20) | |
1376 | ||
1377 | test $0x20, %dl | |
1378 | jnz L(Byte21) | |
1379 | ||
1380 | test $0x40, %dl | |
1381 | jnz L(Byte22) | |
1382 | ||
1383 | movzbl -9(%rdi), %eax | |
1384 | movzbl -9(%rsi), %edx | |
1385 | sub %edx, %eax | |
1386 | ret | |
1387 | ||
e7044ea7 | 1388 | .p2align 4 |
be13f7bf LD |
1389 | L(Byte16): |
1390 | movzbl -16(%rdi), %eax | |
1391 | movzbl -16(%rsi), %edx | |
1392 | sub %edx, %eax | |
1393 | ret | |
1394 | ||
e7044ea7 | 1395 | .p2align 4 |
be13f7bf LD |
1396 | L(Byte17): |
1397 | movzbl -15(%rdi), %eax | |
1398 | movzbl -15(%rsi), %edx | |
1399 | sub %edx, %eax | |
1400 | ret | |
1401 | ||
e7044ea7 | 1402 | .p2align 4 |
be13f7bf LD |
1403 | L(Byte18): |
1404 | movzbl -14(%rdi), %eax | |
1405 | movzbl -14(%rsi), %edx | |
1406 | sub %edx, %eax | |
1407 | ret | |
1408 | ||
e7044ea7 | 1409 | .p2align 4 |
be13f7bf LD |
1410 | L(Byte19): |
1411 | movzbl -13(%rdi), %eax | |
1412 | movzbl -13(%rsi), %edx | |
1413 | sub %edx, %eax | |
1414 | ret | |
1415 | ||
e7044ea7 | 1416 | .p2align 4 |
be13f7bf LD |
1417 | L(Byte20): |
1418 | movzbl -12(%rdi), %eax | |
1419 | movzbl -12(%rsi), %edx | |
1420 | sub %edx, %eax | |
1421 | ret | |
1422 | ||
e7044ea7 | 1423 | .p2align 4 |
be13f7bf LD |
1424 | L(Byte21): |
1425 | movzbl -11(%rdi), %eax | |
1426 | movzbl -11(%rsi), %edx | |
1427 | sub %edx, %eax | |
1428 | ret | |
1429 | ||
e7044ea7 | 1430 | .p2align 4 |
be13f7bf LD |
1431 | L(Byte22): |
1432 | movzbl -10(%rdi), %eax | |
1433 | movzbl -10(%rsi), %edx | |
1434 | sub %edx, %eax | |
1435 | ret | |
1436 | ||
e7044ea7 | 1437 | .p2align 4 |
be13f7bf LD |
1438 | L(next_24_bytes): |
1439 | lea 8(%rdi), %rdi | |
1440 | lea 8(%rsi), %rsi | |
1441 | test $0x01, %dh | |
1442 | jnz L(Byte16) | |
1443 | ||
1444 | test $0x02, %dh | |
1445 | jnz L(Byte17) | |
1446 | ||
1447 | test $0x04, %dh | |
1448 | jnz L(Byte18) | |
1449 | ||
1450 | test $0x08, %dh | |
1451 | jnz L(Byte19) | |
1452 | ||
1453 | test $0x10, %dh | |
1454 | jnz L(Byte20) | |
1455 | ||
1456 | test $0x20, %dh | |
1457 | jnz L(Byte21) | |
1458 | ||
1459 | test $0x40, %dh | |
1460 | jnz L(Byte22) | |
1461 | ||
11b8a0e1 LD |
1462 | movzbl -9(%rdi), %eax |
1463 | movzbl -9(%rsi), %edx | |
be13f7bf LD |
1464 | sub %edx, %eax |
1465 | ret | |
1466 | # else | |
1467 | /* special for wmemcmp */ | |
1468 | xor %eax, %eax | |
1469 | test %dl, %dl | |
1470 | jz L(next_two_double_words) | |
1471 | and $15, %dl | |
1472 | jz L(second_double_word) | |
1473 | mov -16(%rdi), %eax | |
1474 | cmp -16(%rsi), %eax | |
1475 | jne L(find_diff) | |
1476 | ret | |
1477 | ||
e7044ea7 | 1478 | .p2align 4 |
be13f7bf LD |
1479 | L(second_double_word): |
1480 | mov -12(%rdi), %eax | |
1481 | cmp -12(%rsi), %eax | |
1482 | jne L(find_diff) | |
1483 | ret | |
1484 | ||
e7044ea7 | 1485 | .p2align 4 |
be13f7bf LD |
1486 | L(next_two_double_words): |
1487 | and $15, %dh | |
1488 | jz L(fourth_double_word) | |
1489 | mov -8(%rdi), %eax | |
1490 | cmp -8(%rsi), %eax | |
1491 | jne L(find_diff) | |
1492 | ret | |
1493 | ||
e7044ea7 | 1494 | .p2align 4 |
be13f7bf LD |
1495 | L(fourth_double_word): |
1496 | mov -4(%rdi), %eax | |
1497 | cmp -4(%rsi), %eax | |
1498 | jne L(find_diff) | |
1499 | ret | |
1500 | # endif | |
1501 | ||
e7044ea7 | 1502 | .p2align 4 |
be13f7bf LD |
1503 | L(less48bytes): |
1504 | cmp $8, %ecx | |
1505 | jae L(more8bytes) | |
1506 | cmp $0, %ecx | |
1507 | je L(0bytes) | |
1508 | # ifndef USE_AS_WMEMCMP | |
1509 | cmp $1, %ecx | |
1510 | je L(1bytes) | |
1511 | cmp $2, %ecx | |
1512 | je L(2bytes) | |
1513 | cmp $3, %ecx | |
1514 | je L(3bytes) | |
1515 | cmp $4, %ecx | |
1516 | je L(4bytes) | |
1517 | cmp $5, %ecx | |
1518 | je L(5bytes) | |
1519 | cmp $6, %ecx | |
1520 | je L(6bytes) | |
1521 | jmp L(7bytes) | |
1522 | # else | |
1523 | jmp L(4bytes) | |
1524 | # endif | |
1525 | ||
e7044ea7 | 1526 | .p2align 4 |
be13f7bf LD |
1527 | L(more8bytes): |
1528 | cmp $16, %ecx | |
1529 | jae L(more16bytes) | |
1530 | cmp $8, %ecx | |
1531 | je L(8bytes) | |
1532 | # ifndef USE_AS_WMEMCMP | |
1533 | cmp $9, %ecx | |
1534 | je L(9bytes) | |
1535 | cmp $10, %ecx | |
1536 | je L(10bytes) | |
1537 | cmp $11, %ecx | |
1538 | je L(11bytes) | |
1539 | cmp $12, %ecx | |
1540 | je L(12bytes) | |
1541 | cmp $13, %ecx | |
1542 | je L(13bytes) | |
1543 | cmp $14, %ecx | |
1544 | je L(14bytes) | |
1545 | jmp L(15bytes) | |
1546 | # else | |
1547 | jmp L(12bytes) | |
1548 | # endif | |
1549 | ||
e7044ea7 | 1550 | .p2align 4 |
be13f7bf LD |
1551 | L(more16bytes): |
1552 | cmp $24, %ecx | |
1553 | jae L(more24bytes) | |
1554 | cmp $16, %ecx | |
1555 | je L(16bytes) | |
1556 | # ifndef USE_AS_WMEMCMP | |
1557 | cmp $17, %ecx | |
1558 | je L(17bytes) | |
1559 | cmp $18, %ecx | |
1560 | je L(18bytes) | |
1561 | cmp $19, %ecx | |
1562 | je L(19bytes) | |
1563 | cmp $20, %ecx | |
1564 | je L(20bytes) | |
1565 | cmp $21, %ecx | |
1566 | je L(21bytes) | |
1567 | cmp $22, %ecx | |
1568 | je L(22bytes) | |
1569 | jmp L(23bytes) | |
1570 | # else | |
1571 | jmp L(20bytes) | |
1572 | # endif | |
1573 | ||
e7044ea7 | 1574 | .p2align 4 |
be13f7bf LD |
1575 | L(more24bytes): |
1576 | cmp $32, %ecx | |
1577 | jae L(more32bytes) | |
1578 | cmp $24, %ecx | |
1579 | je L(24bytes) | |
1580 | # ifndef USE_AS_WMEMCMP | |
1581 | cmp $25, %ecx | |
1582 | je L(25bytes) | |
1583 | cmp $26, %ecx | |
1584 | je L(26bytes) | |
1585 | cmp $27, %ecx | |
1586 | je L(27bytes) | |
1587 | cmp $28, %ecx | |
1588 | je L(28bytes) | |
1589 | cmp $29, %ecx | |
1590 | je L(29bytes) | |
1591 | cmp $30, %ecx | |
1592 | je L(30bytes) | |
1593 | jmp L(31bytes) | |
1594 | # else | |
1595 | jmp L(28bytes) | |
1596 | # endif | |
1597 | ||
e7044ea7 | 1598 | .p2align 4 |
be13f7bf LD |
1599 | L(more32bytes): |
1600 | cmp $40, %ecx | |
1601 | jae L(more40bytes) | |
1602 | cmp $32, %ecx | |
1603 | je L(32bytes) | |
1604 | # ifndef USE_AS_WMEMCMP | |
1605 | cmp $33, %ecx | |
1606 | je L(33bytes) | |
1607 | cmp $34, %ecx | |
1608 | je L(34bytes) | |
1609 | cmp $35, %ecx | |
1610 | je L(35bytes) | |
1611 | cmp $36, %ecx | |
1612 | je L(36bytes) | |
1613 | cmp $37, %ecx | |
1614 | je L(37bytes) | |
1615 | cmp $38, %ecx | |
1616 | je L(38bytes) | |
1617 | jmp L(39bytes) | |
1618 | # else | |
1619 | jmp L(36bytes) | |
1620 | # endif | |
2d1f3a4d | 1621 | |
e7044ea7 | 1622 | .p2align 4 |
be13f7bf LD |
1623 | L(more40bytes): |
1624 | cmp $40, %ecx | |
1625 | je L(40bytes) | |
1626 | # ifndef USE_AS_WMEMCMP | |
1627 | cmp $41, %ecx | |
1628 | je L(41bytes) | |
1629 | cmp $42, %ecx | |
1630 | je L(42bytes) | |
1631 | cmp $43, %ecx | |
1632 | je L(43bytes) | |
1633 | cmp $44, %ecx | |
1634 | je L(44bytes) | |
1635 | cmp $45, %ecx | |
1636 | je L(45bytes) | |
1637 | cmp $46, %ecx | |
1638 | je L(46bytes) | |
1639 | jmp L(47bytes) | |
1640 | ||
e7044ea7 | 1641 | .p2align 4 |
be13f7bf LD |
1642 | L(44bytes): |
1643 | movl -44(%rdi), %eax | |
1644 | movl -44(%rsi), %ecx | |
1645 | cmp %ecx, %eax | |
1646 | jne L(find_diff) | |
1647 | L(40bytes): | |
1648 | movl -40(%rdi), %eax | |
1649 | movl -40(%rsi), %ecx | |
1650 | cmp %ecx, %eax | |
1651 | jne L(find_diff) | |
1652 | L(36bytes): | |
1653 | movl -36(%rdi), %eax | |
1654 | movl -36(%rsi), %ecx | |
1655 | cmp %ecx, %eax | |
1656 | jne L(find_diff) | |
1657 | L(32bytes): | |
1658 | movl -32(%rdi), %eax | |
1659 | movl -32(%rsi), %ecx | |
1660 | cmp %ecx, %eax | |
1661 | jne L(find_diff) | |
1662 | L(28bytes): | |
1663 | movl -28(%rdi), %eax | |
1664 | movl -28(%rsi), %ecx | |
1665 | cmp %ecx, %eax | |
1666 | jne L(find_diff) | |
1667 | L(24bytes): | |
1668 | movl -24(%rdi), %eax | |
1669 | movl -24(%rsi), %ecx | |
1670 | cmp %ecx, %eax | |
1671 | jne L(find_diff) | |
1672 | L(20bytes): | |
1673 | movl -20(%rdi), %eax | |
1674 | movl -20(%rsi), %ecx | |
1675 | cmp %ecx, %eax | |
1676 | jne L(find_diff) | |
1677 | L(16bytes): | |
1678 | movl -16(%rdi), %eax | |
1679 | movl -16(%rsi), %ecx | |
1680 | cmp %ecx, %eax | |
1681 | jne L(find_diff) | |
1682 | L(12bytes): | |
1683 | movl -12(%rdi), %eax | |
1684 | movl -12(%rsi), %ecx | |
1685 | cmp %ecx, %eax | |
1686 | jne L(find_diff) | |
1687 | L(8bytes): | |
1688 | movl -8(%rdi), %eax | |
1689 | movl -8(%rsi), %ecx | |
1690 | cmp %ecx, %eax | |
1691 | jne L(find_diff) | |
1692 | L(4bytes): | |
1693 | movl -4(%rdi), %eax | |
1694 | movl -4(%rsi), %ecx | |
1695 | cmp %ecx, %eax | |
1696 | jne L(find_diff) | |
1697 | L(0bytes): | |
1698 | xor %eax, %eax | |
1699 | ret | |
1700 | # else | |
e7044ea7 | 1701 | .p2align 4 |
be13f7bf LD |
1702 | L(44bytes): |
1703 | movl -44(%rdi), %eax | |
1704 | cmp -44(%rsi), %eax | |
1705 | jne L(find_diff) | |
1706 | L(40bytes): | |
1707 | movl -40(%rdi), %eax | |
1708 | cmp -40(%rsi), %eax | |
1709 | jne L(find_diff) | |
1710 | L(36bytes): | |
1711 | movl -36(%rdi), %eax | |
1712 | cmp -36(%rsi), %eax | |
1713 | jne L(find_diff) | |
1714 | L(32bytes): | |
1715 | movl -32(%rdi), %eax | |
1716 | cmp -32(%rsi), %eax | |
1717 | jne L(find_diff) | |
1718 | L(28bytes): | |
1719 | movl -28(%rdi), %eax | |
1720 | cmp -28(%rsi), %eax | |
1721 | jne L(find_diff) | |
1722 | L(24bytes): | |
1723 | movl -24(%rdi), %eax | |
1724 | cmp -24(%rsi), %eax | |
1725 | jne L(find_diff) | |
1726 | L(20bytes): | |
1727 | movl -20(%rdi), %eax | |
1728 | cmp -20(%rsi), %eax | |
1729 | jne L(find_diff) | |
1730 | L(16bytes): | |
1731 | movl -16(%rdi), %eax | |
1732 | cmp -16(%rsi), %eax | |
1733 | jne L(find_diff) | |
1734 | L(12bytes): | |
1735 | movl -12(%rdi), %eax | |
1736 | cmp -12(%rsi), %eax | |
1737 | jne L(find_diff) | |
1738 | L(8bytes): | |
1739 | movl -8(%rdi), %eax | |
1740 | cmp -8(%rsi), %eax | |
1741 | jne L(find_diff) | |
1742 | L(4bytes): | |
1743 | movl -4(%rdi), %eax | |
1744 | cmp -4(%rsi), %eax | |
1745 | jne L(find_diff) | |
1746 | L(0bytes): | |
1747 | xor %eax, %eax | |
1748 | ret | |
1749 | # endif | |
1750 | ||
1751 | # ifndef USE_AS_WMEMCMP | |
e7044ea7 | 1752 | .p2align 4 |
be13f7bf LD |
1753 | L(45bytes): |
1754 | movl -45(%rdi), %eax | |
1755 | movl -45(%rsi), %ecx | |
1756 | cmp %ecx, %eax | |
1757 | jne L(find_diff) | |
1758 | L(41bytes): | |
1759 | movl -41(%rdi), %eax | |
1760 | movl -41(%rsi), %ecx | |
1761 | cmp %ecx, %eax | |
1762 | jne L(find_diff) | |
1763 | L(37bytes): | |
1764 | movl -37(%rdi), %eax | |
1765 | movl -37(%rsi), %ecx | |
1766 | cmp %ecx, %eax | |
1767 | jne L(find_diff) | |
1768 | L(33bytes): | |
1769 | movl -33(%rdi), %eax | |
1770 | movl -33(%rsi), %ecx | |
1771 | cmp %ecx, %eax | |
1772 | jne L(find_diff) | |
1773 | L(29bytes): | |
1774 | movl -29(%rdi), %eax | |
1775 | movl -29(%rsi), %ecx | |
1776 | cmp %ecx, %eax | |
1777 | jne L(find_diff) | |
1778 | L(25bytes): | |
1779 | movl -25(%rdi), %eax | |
1780 | movl -25(%rsi), %ecx | |
1781 | cmp %ecx, %eax | |
1782 | jne L(find_diff) | |
1783 | L(21bytes): | |
1784 | movl -21(%rdi), %eax | |
1785 | movl -21(%rsi), %ecx | |
1786 | cmp %ecx, %eax | |
1787 | jne L(find_diff) | |
1788 | L(17bytes): | |
1789 | movl -17(%rdi), %eax | |
1790 | movl -17(%rsi), %ecx | |
1791 | cmp %ecx, %eax | |
1792 | jne L(find_diff) | |
1793 | L(13bytes): | |
1794 | movl -13(%rdi), %eax | |
1795 | movl -13(%rsi), %ecx | |
1796 | cmp %ecx, %eax | |
1797 | jne L(find_diff) | |
1798 | L(9bytes): | |
1799 | movl -9(%rdi), %eax | |
1800 | movl -9(%rsi), %ecx | |
1801 | cmp %ecx, %eax | |
1802 | jne L(find_diff) | |
1803 | L(5bytes): | |
1804 | movl -5(%rdi), %eax | |
1805 | movl -5(%rsi), %ecx | |
1806 | cmp %ecx, %eax | |
1807 | jne L(find_diff) | |
1808 | L(1bytes): | |
1809 | movzbl -1(%rdi), %eax | |
1810 | cmpb -1(%rsi), %al | |
1811 | jne L(set) | |
1812 | xor %eax, %eax | |
1813 | ret | |
1814 | ||
e7044ea7 | 1815 | .p2align 4 |
be13f7bf LD |
1816 | L(46bytes): |
1817 | movl -46(%rdi), %eax | |
1818 | movl -46(%rsi), %ecx | |
1819 | cmp %ecx, %eax | |
1820 | jne L(find_diff) | |
1821 | L(42bytes): | |
1822 | movl -42(%rdi), %eax | |
1823 | movl -42(%rsi), %ecx | |
1824 | cmp %ecx, %eax | |
1825 | jne L(find_diff) | |
1826 | L(38bytes): | |
1827 | movl -38(%rdi), %eax | |
1828 | movl -38(%rsi), %ecx | |
1829 | cmp %ecx, %eax | |
1830 | jne L(find_diff) | |
1831 | L(34bytes): | |
1832 | movl -34(%rdi), %eax | |
1833 | movl -34(%rsi), %ecx | |
1834 | cmp %ecx, %eax | |
1835 | jne L(find_diff) | |
1836 | L(30bytes): | |
1837 | movl -30(%rdi), %eax | |
1838 | movl -30(%rsi), %ecx | |
1839 | cmp %ecx, %eax | |
1840 | jne L(find_diff) | |
1841 | L(26bytes): | |
1842 | movl -26(%rdi), %eax | |
1843 | movl -26(%rsi), %ecx | |
1844 | cmp %ecx, %eax | |
1845 | jne L(find_diff) | |
1846 | L(22bytes): | |
1847 | movl -22(%rdi), %eax | |
1848 | movl -22(%rsi), %ecx | |
1849 | cmp %ecx, %eax | |
1850 | jne L(find_diff) | |
1851 | L(18bytes): | |
1852 | movl -18(%rdi), %eax | |
1853 | movl -18(%rsi), %ecx | |
1854 | cmp %ecx, %eax | |
1855 | jne L(find_diff) | |
1856 | L(14bytes): | |
1857 | movl -14(%rdi), %eax | |
1858 | movl -14(%rsi), %ecx | |
1859 | cmp %ecx, %eax | |
1860 | jne L(find_diff) | |
1861 | L(10bytes): | |
1862 | movl -10(%rdi), %eax | |
1863 | movl -10(%rsi), %ecx | |
1864 | cmp %ecx, %eax | |
1865 | jne L(find_diff) | |
1866 | L(6bytes): | |
1867 | movl -6(%rdi), %eax | |
1868 | movl -6(%rsi), %ecx | |
1869 | cmp %ecx, %eax | |
1870 | jne L(find_diff) | |
1871 | L(2bytes): | |
1872 | movzwl -2(%rdi), %eax | |
1873 | movzwl -2(%rsi), %ecx | |
1874 | cmpb %cl, %al | |
1875 | jne L(set) | |
1876 | cmp %ecx, %eax | |
1877 | jne L(set) | |
1878 | xor %eax, %eax | |
1879 | ret | |
1880 | ||
e7044ea7 | 1881 | .p2align 4 |
be13f7bf LD |
1882 | L(47bytes): |
1883 | movl -47(%rdi), %eax | |
1884 | movl -47(%rsi), %ecx | |
1885 | cmp %ecx, %eax | |
1886 | jne L(find_diff) | |
1887 | L(43bytes): | |
1888 | movl -43(%rdi), %eax | |
1889 | movl -43(%rsi), %ecx | |
1890 | cmp %ecx, %eax | |
1891 | jne L(find_diff) | |
1892 | L(39bytes): | |
1893 | movl -39(%rdi), %eax | |
1894 | movl -39(%rsi), %ecx | |
1895 | cmp %ecx, %eax | |
1896 | jne L(find_diff) | |
1897 | L(35bytes): | |
1898 | movl -35(%rdi), %eax | |
1899 | movl -35(%rsi), %ecx | |
1900 | cmp %ecx, %eax | |
1901 | jne L(find_diff) | |
1902 | L(31bytes): | |
1903 | movl -31(%rdi), %eax | |
1904 | movl -31(%rsi), %ecx | |
1905 | cmp %ecx, %eax | |
1906 | jne L(find_diff) | |
1907 | L(27bytes): | |
1908 | movl -27(%rdi), %eax | |
1909 | movl -27(%rsi), %ecx | |
1910 | cmp %ecx, %eax | |
1911 | jne L(find_diff) | |
1912 | L(23bytes): | |
1913 | movl -23(%rdi), %eax | |
1914 | movl -23(%rsi), %ecx | |
1915 | cmp %ecx, %eax | |
1916 | jne L(find_diff) | |
1917 | L(19bytes): | |
1918 | movl -19(%rdi), %eax | |
1919 | movl -19(%rsi), %ecx | |
1920 | cmp %ecx, %eax | |
1921 | jne L(find_diff) | |
1922 | L(15bytes): | |
1923 | movl -15(%rdi), %eax | |
1924 | movl -15(%rsi), %ecx | |
1925 | cmp %ecx, %eax | |
1926 | jne L(find_diff) | |
1927 | L(11bytes): | |
1928 | movl -11(%rdi), %eax | |
1929 | movl -11(%rsi), %ecx | |
1930 | cmp %ecx, %eax | |
1931 | jne L(find_diff) | |
1932 | L(7bytes): | |
1933 | movl -7(%rdi), %eax | |
1934 | movl -7(%rsi), %ecx | |
1935 | cmp %ecx, %eax | |
1936 | jne L(find_diff) | |
1937 | L(3bytes): | |
1938 | movzwl -3(%rdi), %eax | |
1939 | movzwl -3(%rsi), %ecx | |
1940 | cmpb %cl, %al | |
1941 | jne L(set) | |
1942 | cmp %ecx, %eax | |
1943 | jne L(set) | |
1944 | movzbl -1(%rdi), %eax | |
1945 | cmpb -1(%rsi), %al | |
1946 | jne L(set) | |
1947 | xor %eax, %eax | |
1948 | ret | |
1949 | ||
e7044ea7 | 1950 | .p2align 4 |
be13f7bf LD |
1951 | L(find_diff): |
1952 | cmpb %cl, %al | |
1953 | jne L(set) | |
1954 | cmpw %cx, %ax | |
1955 | jne L(set) | |
1956 | shr $16, %eax | |
1957 | shr $16, %ecx | |
1958 | cmpb %cl, %al | |
1959 | jne L(set) | |
1960 | ||
1961 | /* We get there only if we already know there is a | |
1962 | difference. */ | |
1963 | ||
1964 | cmp %ecx, %eax | |
1965 | L(set): | |
1966 | sbb %eax, %eax | |
1967 | sbb $-1, %eax | |
1968 | ret | |
1969 | # else | |
1970 | ||
1971 | /* for wmemcmp */ | |
e7044ea7 | 1972 | .p2align 4 |
be13f7bf LD |
1973 | L(find_diff): |
1974 | mov $1, %eax | |
1975 | jg L(find_diff_bigger) | |
1976 | neg %eax | |
1977 | ret | |
1978 | ||
e7044ea7 | 1979 | .p2align 4 |
be13f7bf LD |
1980 | L(find_diff_bigger): |
1981 | ret | |
1982 | # endif | |
1983 | ||
e7044ea7 | 1984 | .p2align 4 |
be13f7bf LD |
1985 | L(equal): |
1986 | xor %eax, %eax | |
1987 | ret | |
1988 | ||
1989 | END (MEMCMP) | |
1990 | #endif |