Varvara Rainchik | a020a24 | 2014-04-29 17:44:56 +0400 | [diff] [blame] | 1 | /* |
| 2 | Copyright (c) 2014, Intel Corporation |
| 3 | All rights reserved. |
| 4 | |
| 5 | Redistribution and use in source and binary forms, with or without |
| 6 | modification, are permitted provided that the following conditions are met: |
| 7 | |
| 8 | * Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | |
| 11 | * Redistributions in binary form must reproduce the above copyright notice, |
| 12 | * this list of conditions and the following disclaimer in the documentation |
| 13 | * and/or other materials provided with the distribution. |
| 14 | |
| 15 | * Neither the name of Intel Corporation nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | |
| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 20 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 22 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| 23 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 26 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include "cache.h" |
| 32 | |
| 33 | #ifndef MEMCMP |
| 34 | # define MEMCMP memcmp |
| 35 | #endif |
| 36 | |
| 37 | #ifndef L |
| 38 | # define L(label) .L##label |
| 39 | #endif |
| 40 | |
| 41 | #ifndef ALIGN |
| 42 | # define ALIGN(n) .p2align n |
| 43 | #endif |
| 44 | |
| 45 | #ifndef cfi_startproc |
| 46 | # define cfi_startproc .cfi_startproc |
| 47 | #endif |
| 48 | |
| 49 | #ifndef cfi_endproc |
| 50 | # define cfi_endproc .cfi_endproc |
| 51 | #endif |
| 52 | |
| 53 | #ifndef ENTRY |
| 54 | # define ENTRY(name) \ |
| 55 | .type name, @function; \ |
| 56 | .globl name; \ |
| 57 | .p2align 4; \ |
| 58 | name: \ |
| 59 | cfi_startproc |
| 60 | #endif |
| 61 | |
| 62 | #ifndef END |
| 63 | # define END(name) \ |
| 64 | cfi_endproc; \ |
| 65 | .size name, .-name |
| 66 | #endif |
| 67 | |
| 68 | #ifndef ALIGN |
| 69 | # define ALIGN(n) .p2align n |
| 70 | #endif |
| 71 | |
| 72 | #define JMPTBL(I, B) (I - B) |
| 73 | |
| 74 | #define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \ |
| 75 | lea TABLE(%rip), %r11; \ |
| 76 | movslq (%r11, INDEX, SCALE), %rcx; \ |
| 77 | add %r11, %rcx; \ |
| 78 | jmp *%rcx; \ |
| 79 | ud2 |
| 80 | |
| 81 | .section .text.sse4.1,"ax",@progbits |
| 82 | ENTRY (MEMCMP) |
| 83 | #ifdef USE_AS_WMEMCMP |
| 84 | shl $2, %rdx |
| 85 | #endif |
| 86 | pxor %xmm0, %xmm0 |
| 87 | cmp $79, %rdx |
| 88 | ja L(79bytesormore) |
| 89 | #ifndef USE_AS_WMEMCMP |
| 90 | cmp $1, %rdx |
| 91 | je L(firstbyte) |
| 92 | #endif |
| 93 | add %rdx, %rsi |
| 94 | add %rdx, %rdi |
| 95 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 96 | |
| 97 | #ifndef USE_AS_WMEMCMP |
| 98 | ALIGN (4) |
| 99 | L(firstbyte): |
| 100 | movzbl (%rdi), %eax |
| 101 | movzbl (%rsi), %ecx |
| 102 | sub %ecx, %eax |
| 103 | ret |
| 104 | #endif |
| 105 | |
| 106 | ALIGN (4) |
| 107 | L(79bytesormore): |
| 108 | movdqu (%rsi), %xmm1 |
| 109 | movdqu (%rdi), %xmm2 |
| 110 | pxor %xmm1, %xmm2 |
| 111 | ptest %xmm2, %xmm0 |
| 112 | jnc L(16bytesin256) |
| 113 | mov %rsi, %rcx |
| 114 | and $-16, %rsi |
| 115 | add $16, %rsi |
| 116 | sub %rsi, %rcx |
| 117 | |
| 118 | sub %rcx, %rdi |
| 119 | add %rcx, %rdx |
| 120 | test $0xf, %rdi |
| 121 | jz L(2aligned) |
| 122 | |
| 123 | cmp $128, %rdx |
| 124 | ja L(128bytesormore) |
| 125 | L(less128bytes): |
| 126 | sub $64, %rdx |
| 127 | |
| 128 | movdqu (%rdi), %xmm2 |
| 129 | pxor (%rsi), %xmm2 |
| 130 | ptest %xmm2, %xmm0 |
| 131 | jnc L(16bytesin256) |
| 132 | |
| 133 | movdqu 16(%rdi), %xmm2 |
| 134 | pxor 16(%rsi), %xmm2 |
| 135 | ptest %xmm2, %xmm0 |
| 136 | jnc L(32bytesin256) |
| 137 | |
| 138 | movdqu 32(%rdi), %xmm2 |
| 139 | pxor 32(%rsi), %xmm2 |
| 140 | ptest %xmm2, %xmm0 |
| 141 | jnc L(48bytesin256) |
| 142 | |
| 143 | movdqu 48(%rdi), %xmm2 |
| 144 | pxor 48(%rsi), %xmm2 |
| 145 | ptest %xmm2, %xmm0 |
| 146 | jnc L(64bytesin256) |
| 147 | cmp $32, %rdx |
| 148 | jb L(less32bytesin64) |
| 149 | |
| 150 | movdqu 64(%rdi), %xmm2 |
| 151 | pxor 64(%rsi), %xmm2 |
| 152 | ptest %xmm2, %xmm0 |
| 153 | jnc L(80bytesin256) |
| 154 | |
| 155 | movdqu 80(%rdi), %xmm2 |
| 156 | pxor 80(%rsi), %xmm2 |
| 157 | ptest %xmm2, %xmm0 |
| 158 | jnc L(96bytesin256) |
| 159 | sub $32, %rdx |
| 160 | add $32, %rdi |
| 161 | add $32, %rsi |
| 162 | L(less32bytesin64): |
| 163 | add $64, %rdi |
| 164 | add $64, %rsi |
| 165 | add %rdx, %rsi |
| 166 | add %rdx, %rdi |
| 167 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 168 | |
| 169 | L(128bytesormore): |
| 170 | cmp $512, %rdx |
| 171 | ja L(512bytesormore) |
| 172 | cmp $256, %rdx |
| 173 | ja L(less512bytes) |
| 174 | L(less256bytes): |
| 175 | sub $128, %rdx |
| 176 | |
| 177 | movdqu (%rdi), %xmm2 |
| 178 | pxor (%rsi), %xmm2 |
| 179 | ptest %xmm2, %xmm0 |
| 180 | jnc L(16bytesin256) |
| 181 | |
| 182 | movdqu 16(%rdi), %xmm2 |
| 183 | pxor 16(%rsi), %xmm2 |
| 184 | ptest %xmm2, %xmm0 |
| 185 | jnc L(32bytesin256) |
| 186 | |
| 187 | movdqu 32(%rdi), %xmm2 |
| 188 | pxor 32(%rsi), %xmm2 |
| 189 | ptest %xmm2, %xmm0 |
| 190 | jnc L(48bytesin256) |
| 191 | |
| 192 | movdqu 48(%rdi), %xmm2 |
| 193 | pxor 48(%rsi), %xmm2 |
| 194 | ptest %xmm2, %xmm0 |
| 195 | jnc L(64bytesin256) |
| 196 | |
| 197 | movdqu 64(%rdi), %xmm2 |
| 198 | pxor 64(%rsi), %xmm2 |
| 199 | ptest %xmm2, %xmm0 |
| 200 | jnc L(80bytesin256) |
| 201 | |
| 202 | movdqu 80(%rdi), %xmm2 |
| 203 | pxor 80(%rsi), %xmm2 |
| 204 | ptest %xmm2, %xmm0 |
| 205 | jnc L(96bytesin256) |
| 206 | |
| 207 | movdqu 96(%rdi), %xmm2 |
| 208 | pxor 96(%rsi), %xmm2 |
| 209 | ptest %xmm2, %xmm0 |
| 210 | jnc L(112bytesin256) |
| 211 | |
| 212 | movdqu 112(%rdi), %xmm2 |
| 213 | pxor 112(%rsi), %xmm2 |
| 214 | ptest %xmm2, %xmm0 |
| 215 | jnc L(128bytesin256) |
| 216 | |
| 217 | add $128, %rsi |
| 218 | add $128, %rdi |
| 219 | |
| 220 | cmp $64, %rdx |
| 221 | jae L(less128bytes) |
| 222 | |
| 223 | cmp $32, %rdx |
| 224 | jb L(less32bytesin128) |
| 225 | |
| 226 | movdqu (%rdi), %xmm2 |
| 227 | pxor (%rsi), %xmm2 |
| 228 | ptest %xmm2, %xmm0 |
| 229 | jnc L(16bytesin256) |
| 230 | |
| 231 | movdqu 16(%rdi), %xmm2 |
| 232 | pxor 16(%rsi), %xmm2 |
| 233 | ptest %xmm2, %xmm0 |
| 234 | jnc L(32bytesin256) |
| 235 | sub $32, %rdx |
| 236 | add $32, %rdi |
| 237 | add $32, %rsi |
| 238 | L(less32bytesin128): |
| 239 | add %rdx, %rsi |
| 240 | add %rdx, %rdi |
| 241 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 242 | |
| 243 | L(less512bytes): |
| 244 | sub $256, %rdx |
| 245 | movdqu (%rdi), %xmm2 |
| 246 | pxor (%rsi), %xmm2 |
| 247 | ptest %xmm2, %xmm0 |
| 248 | jnc L(16bytesin256) |
| 249 | |
| 250 | movdqu 16(%rdi), %xmm2 |
| 251 | pxor 16(%rsi), %xmm2 |
| 252 | ptest %xmm2, %xmm0 |
| 253 | jnc L(32bytesin256) |
| 254 | |
| 255 | movdqu 32(%rdi), %xmm2 |
| 256 | pxor 32(%rsi), %xmm2 |
| 257 | ptest %xmm2, %xmm0 |
| 258 | jnc L(48bytesin256) |
| 259 | |
| 260 | movdqu 48(%rdi), %xmm2 |
| 261 | pxor 48(%rsi), %xmm2 |
| 262 | ptest %xmm2, %xmm0 |
| 263 | jnc L(64bytesin256) |
| 264 | |
| 265 | movdqu 64(%rdi), %xmm2 |
| 266 | pxor 64(%rsi), %xmm2 |
| 267 | ptest %xmm2, %xmm0 |
| 268 | jnc L(80bytesin256) |
| 269 | |
| 270 | movdqu 80(%rdi), %xmm2 |
| 271 | pxor 80(%rsi), %xmm2 |
| 272 | ptest %xmm2, %xmm0 |
| 273 | jnc L(96bytesin256) |
| 274 | |
| 275 | movdqu 96(%rdi), %xmm2 |
| 276 | pxor 96(%rsi), %xmm2 |
| 277 | ptest %xmm2, %xmm0 |
| 278 | jnc L(112bytesin256) |
| 279 | |
| 280 | movdqu 112(%rdi), %xmm2 |
| 281 | pxor 112(%rsi), %xmm2 |
| 282 | ptest %xmm2, %xmm0 |
| 283 | jnc L(128bytesin256) |
| 284 | |
| 285 | movdqu 128(%rdi), %xmm2 |
| 286 | pxor 128(%rsi), %xmm2 |
| 287 | ptest %xmm2, %xmm0 |
| 288 | jnc L(144bytesin256) |
| 289 | |
| 290 | movdqu 144(%rdi), %xmm2 |
| 291 | pxor 144(%rsi), %xmm2 |
| 292 | ptest %xmm2, %xmm0 |
| 293 | jnc L(160bytesin256) |
| 294 | |
| 295 | movdqu 160(%rdi), %xmm2 |
| 296 | pxor 160(%rsi), %xmm2 |
| 297 | ptest %xmm2, %xmm0 |
| 298 | jnc L(176bytesin256) |
| 299 | |
| 300 | movdqu 176(%rdi), %xmm2 |
| 301 | pxor 176(%rsi), %xmm2 |
| 302 | ptest %xmm2, %xmm0 |
| 303 | jnc L(192bytesin256) |
| 304 | |
| 305 | movdqu 192(%rdi), %xmm2 |
| 306 | pxor 192(%rsi), %xmm2 |
| 307 | ptest %xmm2, %xmm0 |
| 308 | jnc L(208bytesin256) |
| 309 | |
| 310 | movdqu 208(%rdi), %xmm2 |
| 311 | pxor 208(%rsi), %xmm2 |
| 312 | ptest %xmm2, %xmm0 |
| 313 | jnc L(224bytesin256) |
| 314 | |
| 315 | movdqu 224(%rdi), %xmm2 |
| 316 | pxor 224(%rsi), %xmm2 |
| 317 | ptest %xmm2, %xmm0 |
| 318 | jnc L(240bytesin256) |
| 319 | |
| 320 | movdqu 240(%rdi), %xmm2 |
| 321 | pxor 240(%rsi), %xmm2 |
| 322 | ptest %xmm2, %xmm0 |
| 323 | jnc L(256bytesin256) |
| 324 | |
| 325 | add $256, %rsi |
| 326 | add $256, %rdi |
| 327 | |
| 328 | cmp $128, %rdx |
| 329 | jae L(less256bytes) |
| 330 | |
| 331 | cmp $64, %rdx |
| 332 | jae L(less128bytes) |
| 333 | |
| 334 | cmp $32, %rdx |
| 335 | jb L(less32bytesin256) |
| 336 | |
| 337 | movdqu (%rdi), %xmm2 |
| 338 | pxor (%rsi), %xmm2 |
| 339 | ptest %xmm2, %xmm0 |
| 340 | jnc L(16bytesin256) |
| 341 | |
| 342 | movdqu 16(%rdi), %xmm2 |
| 343 | pxor 16(%rsi), %xmm2 |
| 344 | ptest %xmm2, %xmm0 |
| 345 | jnc L(32bytesin256) |
| 346 | sub $32, %rdx |
| 347 | add $32, %rdi |
| 348 | add $32, %rsi |
| 349 | L(less32bytesin256): |
| 350 | add %rdx, %rsi |
| 351 | add %rdx, %rdi |
| 352 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 353 | |
| 354 | ALIGN (4) |
| 355 | L(512bytesormore): |
| 356 | #ifdef DATA_CACHE_SIZE_HALF |
| 357 | mov $DATA_CACHE_SIZE_HALF, %r8 |
| 358 | #else |
| 359 | mov __x86_64_data_cache_size_half(%rip), %r8 |
| 360 | #endif |
| 361 | mov %r8, %r9 |
| 362 | shr $1, %r8 |
| 363 | add %r9, %r8 |
| 364 | cmp %r8, %rdx |
| 365 | ja L(L2_L3_cache_unaglined) |
| 366 | sub $64, %rdx |
| 367 | ALIGN (4) |
| 368 | L(64bytesormore_loop): |
| 369 | movdqu (%rdi), %xmm2 |
| 370 | pxor (%rsi), %xmm2 |
| 371 | movdqa %xmm2, %xmm1 |
| 372 | |
| 373 | movdqu 16(%rdi), %xmm3 |
| 374 | pxor 16(%rsi), %xmm3 |
| 375 | por %xmm3, %xmm1 |
| 376 | |
| 377 | movdqu 32(%rdi), %xmm4 |
| 378 | pxor 32(%rsi), %xmm4 |
| 379 | por %xmm4, %xmm1 |
| 380 | |
| 381 | movdqu 48(%rdi), %xmm5 |
| 382 | pxor 48(%rsi), %xmm5 |
| 383 | por %xmm5, %xmm1 |
| 384 | |
| 385 | ptest %xmm1, %xmm0 |
| 386 | jnc L(64bytesormore_loop_end) |
| 387 | add $64, %rsi |
| 388 | add $64, %rdi |
| 389 | sub $64, %rdx |
| 390 | jae L(64bytesormore_loop) |
| 391 | |
| 392 | add $64, %rdx |
| 393 | add %rdx, %rsi |
| 394 | add %rdx, %rdi |
| 395 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 396 | |
| 397 | L(L2_L3_cache_unaglined): |
| 398 | sub $64, %rdx |
| 399 | ALIGN (4) |
| 400 | L(L2_L3_unaligned_128bytes_loop): |
| 401 | prefetchnta 0x1c0(%rdi) |
| 402 | prefetchnta 0x1c0(%rsi) |
| 403 | movdqu (%rdi), %xmm2 |
| 404 | pxor (%rsi), %xmm2 |
| 405 | movdqa %xmm2, %xmm1 |
| 406 | |
| 407 | movdqu 16(%rdi), %xmm3 |
| 408 | pxor 16(%rsi), %xmm3 |
| 409 | por %xmm3, %xmm1 |
| 410 | |
| 411 | movdqu 32(%rdi), %xmm4 |
| 412 | pxor 32(%rsi), %xmm4 |
| 413 | por %xmm4, %xmm1 |
| 414 | |
| 415 | movdqu 48(%rdi), %xmm5 |
| 416 | pxor 48(%rsi), %xmm5 |
| 417 | por %xmm5, %xmm1 |
| 418 | |
| 419 | ptest %xmm1, %xmm0 |
| 420 | jnc L(64bytesormore_loop_end) |
| 421 | add $64, %rsi |
| 422 | add $64, %rdi |
| 423 | sub $64, %rdx |
| 424 | jae L(L2_L3_unaligned_128bytes_loop) |
| 425 | |
| 426 | add $64, %rdx |
| 427 | add %rdx, %rsi |
| 428 | add %rdx, %rdi |
| 429 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 430 | |
| 431 | /* |
| 432 | * This case is for machines which are sensitive for unaligned instructions. |
| 433 | */ |
| 434 | ALIGN (4) |
| 435 | L(2aligned): |
| 436 | cmp $128, %rdx |
| 437 | ja L(128bytesormorein2aligned) |
| 438 | L(less128bytesin2aligned): |
| 439 | sub $64, %rdx |
| 440 | |
| 441 | movdqa (%rdi), %xmm2 |
| 442 | pxor (%rsi), %xmm2 |
| 443 | ptest %xmm2, %xmm0 |
| 444 | jnc L(16bytesin256) |
| 445 | |
| 446 | movdqa 16(%rdi), %xmm2 |
| 447 | pxor 16(%rsi), %xmm2 |
| 448 | ptest %xmm2, %xmm0 |
| 449 | jnc L(32bytesin256) |
| 450 | |
| 451 | movdqa 32(%rdi), %xmm2 |
| 452 | pxor 32(%rsi), %xmm2 |
| 453 | ptest %xmm2, %xmm0 |
| 454 | jnc L(48bytesin256) |
| 455 | |
| 456 | movdqa 48(%rdi), %xmm2 |
| 457 | pxor 48(%rsi), %xmm2 |
| 458 | ptest %xmm2, %xmm0 |
| 459 | jnc L(64bytesin256) |
| 460 | cmp $32, %rdx |
| 461 | jb L(less32bytesin64in2alinged) |
| 462 | |
| 463 | movdqa 64(%rdi), %xmm2 |
| 464 | pxor 64(%rsi), %xmm2 |
| 465 | ptest %xmm2, %xmm0 |
| 466 | jnc L(80bytesin256) |
| 467 | |
| 468 | movdqa 80(%rdi), %xmm2 |
| 469 | pxor 80(%rsi), %xmm2 |
| 470 | ptest %xmm2, %xmm0 |
| 471 | jnc L(96bytesin256) |
| 472 | sub $32, %rdx |
| 473 | add $32, %rdi |
| 474 | add $32, %rsi |
| 475 | L(less32bytesin64in2alinged): |
| 476 | add $64, %rdi |
| 477 | add $64, %rsi |
| 478 | add %rdx, %rsi |
| 479 | add %rdx, %rdi |
| 480 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 481 | |
| 482 | ALIGN (4) |
| 483 | L(128bytesormorein2aligned): |
| 484 | cmp $512, %rdx |
| 485 | ja L(512bytesormorein2aligned) |
| 486 | cmp $256, %rdx |
| 487 | ja L(256bytesormorein2aligned) |
| 488 | L(less256bytesin2alinged): |
| 489 | sub $128, %rdx |
| 490 | |
| 491 | movdqa (%rdi), %xmm2 |
| 492 | pxor (%rsi), %xmm2 |
| 493 | ptest %xmm2, %xmm0 |
| 494 | jnc L(16bytesin256) |
| 495 | |
| 496 | movdqa 16(%rdi), %xmm2 |
| 497 | pxor 16(%rsi), %xmm2 |
| 498 | ptest %xmm2, %xmm0 |
| 499 | jnc L(32bytesin256) |
| 500 | |
| 501 | movdqa 32(%rdi), %xmm2 |
| 502 | pxor 32(%rsi), %xmm2 |
| 503 | ptest %xmm2, %xmm0 |
| 504 | jnc L(48bytesin256) |
| 505 | |
| 506 | movdqa 48(%rdi), %xmm2 |
| 507 | pxor 48(%rsi), %xmm2 |
| 508 | ptest %xmm2, %xmm0 |
| 509 | jnc L(64bytesin256) |
| 510 | |
| 511 | movdqa 64(%rdi), %xmm2 |
| 512 | pxor 64(%rsi), %xmm2 |
| 513 | ptest %xmm2, %xmm0 |
| 514 | jnc L(80bytesin256) |
| 515 | |
| 516 | movdqa 80(%rdi), %xmm2 |
| 517 | pxor 80(%rsi), %xmm2 |
| 518 | ptest %xmm2, %xmm0 |
| 519 | jnc L(96bytesin256) |
| 520 | |
| 521 | movdqa 96(%rdi), %xmm2 |
| 522 | pxor 96(%rsi), %xmm2 |
| 523 | ptest %xmm2, %xmm0 |
| 524 | jnc L(112bytesin256) |
| 525 | |
| 526 | movdqa 112(%rdi), %xmm2 |
| 527 | pxor 112(%rsi), %xmm2 |
| 528 | ptest %xmm2, %xmm0 |
| 529 | jnc L(128bytesin256) |
| 530 | |
| 531 | add $128, %rsi |
| 532 | add $128, %rdi |
| 533 | |
| 534 | cmp $64, %rdx |
| 535 | jae L(less128bytesin2aligned) |
| 536 | |
| 537 | cmp $32, %rdx |
| 538 | jb L(less32bytesin128in2aligned) |
| 539 | |
| 540 | movdqu (%rdi), %xmm2 |
| 541 | pxor (%rsi), %xmm2 |
| 542 | ptest %xmm2, %xmm0 |
| 543 | jnc L(16bytesin256) |
| 544 | |
| 545 | movdqu 16(%rdi), %xmm2 |
| 546 | pxor 16(%rsi), %xmm2 |
| 547 | ptest %xmm2, %xmm0 |
| 548 | jnc L(32bytesin256) |
| 549 | sub $32, %rdx |
| 550 | add $32, %rdi |
| 551 | add $32, %rsi |
| 552 | L(less32bytesin128in2aligned): |
| 553 | add %rdx, %rsi |
| 554 | add %rdx, %rdi |
| 555 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 556 | |
| 557 | ALIGN (4) |
| 558 | L(256bytesormorein2aligned): |
| 559 | |
| 560 | sub $256, %rdx |
| 561 | movdqa (%rdi), %xmm2 |
| 562 | pxor (%rsi), %xmm2 |
| 563 | ptest %xmm2, %xmm0 |
| 564 | jnc L(16bytesin256) |
| 565 | |
| 566 | movdqa 16(%rdi), %xmm2 |
| 567 | pxor 16(%rsi), %xmm2 |
| 568 | ptest %xmm2, %xmm0 |
| 569 | jnc L(32bytesin256) |
| 570 | |
| 571 | movdqa 32(%rdi), %xmm2 |
| 572 | pxor 32(%rsi), %xmm2 |
| 573 | ptest %xmm2, %xmm0 |
| 574 | jnc L(48bytesin256) |
| 575 | |
| 576 | movdqa 48(%rdi), %xmm2 |
| 577 | pxor 48(%rsi), %xmm2 |
| 578 | ptest %xmm2, %xmm0 |
| 579 | jnc L(64bytesin256) |
| 580 | |
| 581 | movdqa 64(%rdi), %xmm2 |
| 582 | pxor 64(%rsi), %xmm2 |
| 583 | ptest %xmm2, %xmm0 |
| 584 | jnc L(80bytesin256) |
| 585 | |
| 586 | movdqa 80(%rdi), %xmm2 |
| 587 | pxor 80(%rsi), %xmm2 |
| 588 | ptest %xmm2, %xmm0 |
| 589 | jnc L(96bytesin256) |
| 590 | |
| 591 | movdqa 96(%rdi), %xmm2 |
| 592 | pxor 96(%rsi), %xmm2 |
| 593 | ptest %xmm2, %xmm0 |
| 594 | jnc L(112bytesin256) |
| 595 | |
| 596 | movdqa 112(%rdi), %xmm2 |
| 597 | pxor 112(%rsi), %xmm2 |
| 598 | ptest %xmm2, %xmm0 |
| 599 | jnc L(128bytesin256) |
| 600 | |
| 601 | movdqa 128(%rdi), %xmm2 |
| 602 | pxor 128(%rsi), %xmm2 |
| 603 | ptest %xmm2, %xmm0 |
| 604 | jnc L(144bytesin256) |
| 605 | |
| 606 | movdqa 144(%rdi), %xmm2 |
| 607 | pxor 144(%rsi), %xmm2 |
| 608 | ptest %xmm2, %xmm0 |
| 609 | jnc L(160bytesin256) |
| 610 | |
| 611 | movdqa 160(%rdi), %xmm2 |
| 612 | pxor 160(%rsi), %xmm2 |
| 613 | ptest %xmm2, %xmm0 |
| 614 | jnc L(176bytesin256) |
| 615 | |
| 616 | movdqa 176(%rdi), %xmm2 |
| 617 | pxor 176(%rsi), %xmm2 |
| 618 | ptest %xmm2, %xmm0 |
| 619 | jnc L(192bytesin256) |
| 620 | |
| 621 | movdqa 192(%rdi), %xmm2 |
| 622 | pxor 192(%rsi), %xmm2 |
| 623 | ptest %xmm2, %xmm0 |
| 624 | jnc L(208bytesin256) |
| 625 | |
| 626 | movdqa 208(%rdi), %xmm2 |
| 627 | pxor 208(%rsi), %xmm2 |
| 628 | ptest %xmm2, %xmm0 |
| 629 | jnc L(224bytesin256) |
| 630 | |
| 631 | movdqa 224(%rdi), %xmm2 |
| 632 | pxor 224(%rsi), %xmm2 |
| 633 | ptest %xmm2, %xmm0 |
| 634 | jnc L(240bytesin256) |
| 635 | |
| 636 | movdqa 240(%rdi), %xmm2 |
| 637 | pxor 240(%rsi), %xmm2 |
| 638 | ptest %xmm2, %xmm0 |
| 639 | jnc L(256bytesin256) |
| 640 | |
| 641 | add $256, %rsi |
| 642 | add $256, %rdi |
| 643 | |
| 644 | cmp $128, %rdx |
| 645 | jae L(less256bytesin2alinged) |
| 646 | |
| 647 | cmp $64, %rdx |
| 648 | jae L(less128bytesin2aligned) |
| 649 | |
| 650 | cmp $32, %rdx |
| 651 | jb L(less32bytesin256in2alinged) |
| 652 | |
| 653 | movdqa (%rdi), %xmm2 |
| 654 | pxor (%rsi), %xmm2 |
| 655 | ptest %xmm2, %xmm0 |
| 656 | jnc L(16bytesin256) |
| 657 | |
| 658 | movdqa 16(%rdi), %xmm2 |
| 659 | pxor 16(%rsi), %xmm2 |
| 660 | ptest %xmm2, %xmm0 |
| 661 | jnc L(32bytesin256) |
| 662 | sub $32, %rdx |
| 663 | add $32, %rdi |
| 664 | add $32, %rsi |
| 665 | L(less32bytesin256in2alinged): |
| 666 | add %rdx, %rsi |
| 667 | add %rdx, %rdi |
| 668 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 669 | |
| 670 | ALIGN (4) |
| 671 | L(512bytesormorein2aligned): |
| 672 | #ifdef DATA_CACHE_SIZE_HALF |
| 673 | mov $DATA_CACHE_SIZE_HALF, %r8 |
| 674 | #else |
| 675 | mov __x86_64_data_cache_size_half(%rip), %r8 |
| 676 | #endif |
| 677 | mov %r8, %r9 |
| 678 | shr $1, %r8 |
| 679 | add %r9, %r8 |
| 680 | cmp %r8, %rdx |
| 681 | ja L(L2_L3_cache_aglined) |
| 682 | |
| 683 | sub $64, %rdx |
| 684 | ALIGN (4) |
| 685 | L(64bytesormore_loopin2aligned): |
| 686 | movdqa (%rdi), %xmm2 |
| 687 | pxor (%rsi), %xmm2 |
| 688 | movdqa %xmm2, %xmm1 |
| 689 | |
| 690 | movdqa 16(%rdi), %xmm3 |
| 691 | pxor 16(%rsi), %xmm3 |
| 692 | por %xmm3, %xmm1 |
| 693 | |
| 694 | movdqa 32(%rdi), %xmm4 |
| 695 | pxor 32(%rsi), %xmm4 |
| 696 | por %xmm4, %xmm1 |
| 697 | |
| 698 | movdqa 48(%rdi), %xmm5 |
| 699 | pxor 48(%rsi), %xmm5 |
| 700 | por %xmm5, %xmm1 |
| 701 | |
| 702 | ptest %xmm1, %xmm0 |
| 703 | jnc L(64bytesormore_loop_end) |
| 704 | add $64, %rsi |
| 705 | add $64, %rdi |
| 706 | sub $64, %rdx |
| 707 | jae L(64bytesormore_loopin2aligned) |
| 708 | |
| 709 | add $64, %rdx |
| 710 | add %rdx, %rsi |
| 711 | add %rdx, %rdi |
| 712 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 713 | L(L2_L3_cache_aglined): |
| 714 | sub $64, %rdx |
| 715 | ALIGN (4) |
| 716 | L(L2_L3_aligned_128bytes_loop): |
| 717 | prefetchnta 0x1c0(%rdi) |
| 718 | prefetchnta 0x1c0(%rsi) |
| 719 | movdqa (%rdi), %xmm2 |
| 720 | pxor (%rsi), %xmm2 |
| 721 | movdqa %xmm2, %xmm1 |
| 722 | |
| 723 | movdqa 16(%rdi), %xmm3 |
| 724 | pxor 16(%rsi), %xmm3 |
| 725 | por %xmm3, %xmm1 |
| 726 | |
| 727 | movdqa 32(%rdi), %xmm4 |
| 728 | pxor 32(%rsi), %xmm4 |
| 729 | por %xmm4, %xmm1 |
| 730 | |
| 731 | movdqa 48(%rdi), %xmm5 |
| 732 | pxor 48(%rsi), %xmm5 |
| 733 | por %xmm5, %xmm1 |
| 734 | |
| 735 | ptest %xmm1, %xmm0 |
| 736 | jnc L(64bytesormore_loop_end) |
| 737 | add $64, %rsi |
| 738 | add $64, %rdi |
| 739 | sub $64, %rdx |
| 740 | jae L(L2_L3_aligned_128bytes_loop) |
| 741 | |
| 742 | add $64, %rdx |
| 743 | add %rdx, %rsi |
| 744 | add %rdx, %rdi |
| 745 | BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4) |
| 746 | |
| 747 | |
| 748 | ALIGN (4) |
| 749 | L(64bytesormore_loop_end): |
| 750 | add $16, %rdi |
| 751 | add $16, %rsi |
| 752 | ptest %xmm2, %xmm0 |
| 753 | jnc L(16bytes) |
| 754 | |
| 755 | add $16, %rdi |
| 756 | add $16, %rsi |
| 757 | ptest %xmm3, %xmm0 |
| 758 | jnc L(16bytes) |
| 759 | |
| 760 | add $16, %rdi |
| 761 | add $16, %rsi |
| 762 | ptest %xmm4, %xmm0 |
| 763 | jnc L(16bytes) |
| 764 | |
| 765 | add $16, %rdi |
| 766 | add $16, %rsi |
| 767 | jmp L(16bytes) |
| 768 | |
| 769 | L(256bytesin256): |
| 770 | add $256, %rdi |
| 771 | add $256, %rsi |
| 772 | jmp L(16bytes) |
| 773 | L(240bytesin256): |
| 774 | add $240, %rdi |
| 775 | add $240, %rsi |
| 776 | jmp L(16bytes) |
| 777 | L(224bytesin256): |
| 778 | add $224, %rdi |
| 779 | add $224, %rsi |
| 780 | jmp L(16bytes) |
| 781 | L(208bytesin256): |
| 782 | add $208, %rdi |
| 783 | add $208, %rsi |
| 784 | jmp L(16bytes) |
| 785 | L(192bytesin256): |
| 786 | add $192, %rdi |
| 787 | add $192, %rsi |
| 788 | jmp L(16bytes) |
| 789 | L(176bytesin256): |
| 790 | add $176, %rdi |
| 791 | add $176, %rsi |
| 792 | jmp L(16bytes) |
| 793 | L(160bytesin256): |
| 794 | add $160, %rdi |
| 795 | add $160, %rsi |
| 796 | jmp L(16bytes) |
| 797 | L(144bytesin256): |
| 798 | add $144, %rdi |
| 799 | add $144, %rsi |
| 800 | jmp L(16bytes) |
| 801 | L(128bytesin256): |
| 802 | add $128, %rdi |
| 803 | add $128, %rsi |
| 804 | jmp L(16bytes) |
| 805 | L(112bytesin256): |
| 806 | add $112, %rdi |
| 807 | add $112, %rsi |
| 808 | jmp L(16bytes) |
| 809 | L(96bytesin256): |
| 810 | add $96, %rdi |
| 811 | add $96, %rsi |
| 812 | jmp L(16bytes) |
| 813 | L(80bytesin256): |
| 814 | add $80, %rdi |
| 815 | add $80, %rsi |
| 816 | jmp L(16bytes) |
| 817 | L(64bytesin256): |
| 818 | add $64, %rdi |
| 819 | add $64, %rsi |
| 820 | jmp L(16bytes) |
| 821 | L(48bytesin256): |
| 822 | add $16, %rdi |
| 823 | add $16, %rsi |
| 824 | L(32bytesin256): |
| 825 | add $16, %rdi |
| 826 | add $16, %rsi |
| 827 | L(16bytesin256): |
| 828 | add $16, %rdi |
| 829 | add $16, %rsi |
| 830 | L(16bytes): |
| 831 | mov -16(%rdi), %rax |
| 832 | mov -16(%rsi), %rcx |
| 833 | cmp %rax, %rcx |
| 834 | jne L(diffin8bytes) |
| 835 | L(8bytes): |
| 836 | mov -8(%rdi), %rax |
| 837 | mov -8(%rsi), %rcx |
| 838 | cmp %rax, %rcx |
| 839 | jne L(diffin8bytes) |
| 840 | xor %eax, %eax |
| 841 | ret |
| 842 | |
| 843 | ALIGN (4) |
| 844 | L(12bytes): |
| 845 | mov -12(%rdi), %rax |
| 846 | mov -12(%rsi), %rcx |
| 847 | cmp %rax, %rcx |
| 848 | jne L(diffin8bytes) |
| 849 | L(4bytes): |
| 850 | mov -4(%rsi), %ecx |
| 851 | mov -4(%rdi), %eax |
| 852 | cmp %eax, %ecx |
| 853 | jne L(diffin4bytes) |
| 854 | L(0bytes): |
| 855 | xor %eax, %eax |
| 856 | ret |
| 857 | |
| 858 | #ifndef USE_AS_WMEMCMP |
| 859 | /* unreal case for wmemcmp */ |
| 860 | ALIGN (4) |
| 861 | L(65bytes): |
| 862 | movdqu -65(%rdi), %xmm1 |
| 863 | movdqu -65(%rsi), %xmm2 |
| 864 | mov $-65, %dl |
| 865 | pxor %xmm1, %xmm2 |
| 866 | ptest %xmm2, %xmm0 |
| 867 | jnc L(less16bytes) |
| 868 | L(49bytes): |
| 869 | movdqu -49(%rdi), %xmm1 |
| 870 | movdqu -49(%rsi), %xmm2 |
| 871 | mov $-49, %dl |
| 872 | pxor %xmm1, %xmm2 |
| 873 | ptest %xmm2, %xmm0 |
| 874 | jnc L(less16bytes) |
| 875 | L(33bytes): |
| 876 | movdqu -33(%rdi), %xmm1 |
| 877 | movdqu -33(%rsi), %xmm2 |
| 878 | mov $-33, %dl |
| 879 | pxor %xmm1, %xmm2 |
| 880 | ptest %xmm2, %xmm0 |
| 881 | jnc L(less16bytes) |
| 882 | L(17bytes): |
| 883 | mov -17(%rdi), %rax |
| 884 | mov -17(%rsi), %rcx |
| 885 | cmp %rax, %rcx |
| 886 | jne L(diffin8bytes) |
| 887 | L(9bytes): |
| 888 | mov -9(%rdi), %rax |
| 889 | mov -9(%rsi), %rcx |
| 890 | cmp %rax, %rcx |
| 891 | jne L(diffin8bytes) |
| 892 | movzbl -1(%rdi), %eax |
| 893 | movzbl -1(%rsi), %edx |
| 894 | sub %edx, %eax |
| 895 | ret |
| 896 | |
| 897 | ALIGN (4) |
| 898 | L(13bytes): |
| 899 | mov -13(%rdi), %rax |
| 900 | mov -13(%rsi), %rcx |
| 901 | cmp %rax, %rcx |
| 902 | jne L(diffin8bytes) |
| 903 | mov -8(%rdi), %rax |
| 904 | mov -8(%rsi), %rcx |
| 905 | cmp %rax, %rcx |
| 906 | jne L(diffin8bytes) |
| 907 | xor %eax, %eax |
| 908 | ret |
| 909 | |
| 910 | ALIGN (4) |
| 911 | L(5bytes): |
| 912 | mov -5(%rdi), %eax |
| 913 | mov -5(%rsi), %ecx |
| 914 | cmp %eax, %ecx |
| 915 | jne L(diffin4bytes) |
| 916 | movzbl -1(%rdi), %eax |
| 917 | movzbl -1(%rsi), %edx |
| 918 | sub %edx, %eax |
| 919 | ret |
| 920 | |
| 921 | ALIGN (4) |
| 922 | L(66bytes): |
| 923 | movdqu -66(%rdi), %xmm1 |
| 924 | movdqu -66(%rsi), %xmm2 |
| 925 | mov $-66, %dl |
| 926 | pxor %xmm1, %xmm2 |
| 927 | ptest %xmm2, %xmm0 |
| 928 | jnc L(less16bytes) |
| 929 | L(50bytes): |
| 930 | movdqu -50(%rdi), %xmm1 |
| 931 | movdqu -50(%rsi), %xmm2 |
| 932 | mov $-50, %dl |
| 933 | pxor %xmm1, %xmm2 |
| 934 | ptest %xmm2, %xmm0 |
| 935 | jnc L(less16bytes) |
| 936 | L(34bytes): |
| 937 | movdqu -34(%rdi), %xmm1 |
| 938 | movdqu -34(%rsi), %xmm2 |
| 939 | mov $-34, %dl |
| 940 | pxor %xmm1, %xmm2 |
| 941 | ptest %xmm2, %xmm0 |
| 942 | jnc L(less16bytes) |
| 943 | L(18bytes): |
| 944 | mov -18(%rdi), %rax |
| 945 | mov -18(%rsi), %rcx |
| 946 | cmp %rax, %rcx |
| 947 | jne L(diffin8bytes) |
| 948 | L(10bytes): |
| 949 | mov -10(%rdi), %rax |
| 950 | mov -10(%rsi), %rcx |
| 951 | cmp %rax, %rcx |
| 952 | jne L(diffin8bytes) |
| 953 | movzwl -2(%rdi), %eax |
| 954 | movzwl -2(%rsi), %ecx |
| 955 | cmp %cl, %al |
| 956 | jne L(end) |
| 957 | and $0xffff, %eax |
| 958 | and $0xffff, %ecx |
| 959 | sub %ecx, %eax |
| 960 | ret |
| 961 | |
| 962 | ALIGN (4) |
| 963 | L(14bytes): |
| 964 | mov -14(%rdi), %rax |
| 965 | mov -14(%rsi), %rcx |
| 966 | cmp %rax, %rcx |
| 967 | jne L(diffin8bytes) |
| 968 | mov -8(%rdi), %rax |
| 969 | mov -8(%rsi), %rcx |
| 970 | cmp %rax, %rcx |
| 971 | jne L(diffin8bytes) |
| 972 | xor %eax, %eax |
| 973 | ret |
| 974 | |
| 975 | ALIGN (4) |
| 976 | L(6bytes): |
| 977 | mov -6(%rdi), %eax |
| 978 | mov -6(%rsi), %ecx |
| 979 | cmp %eax, %ecx |
| 980 | jne L(diffin4bytes) |
| 981 | L(2bytes): |
| 982 | movzwl -2(%rsi), %ecx |
| 983 | movzwl -2(%rdi), %eax |
| 984 | cmp %cl, %al |
| 985 | jne L(end) |
| 986 | and $0xffff, %eax |
| 987 | and $0xffff, %ecx |
| 988 | sub %ecx, %eax |
| 989 | ret |
| 990 | |
| 991 | ALIGN (4) |
| 992 | L(67bytes): |
| 993 | movdqu -67(%rdi), %xmm2 |
| 994 | movdqu -67(%rsi), %xmm1 |
| 995 | mov $-67, %dl |
| 996 | pxor %xmm1, %xmm2 |
| 997 | ptest %xmm2, %xmm0 |
| 998 | jnc L(less16bytes) |
| 999 | L(51bytes): |
| 1000 | movdqu -51(%rdi), %xmm2 |
| 1001 | movdqu -51(%rsi), %xmm1 |
| 1002 | mov $-51, %dl |
| 1003 | pxor %xmm1, %xmm2 |
| 1004 | ptest %xmm2, %xmm0 |
| 1005 | jnc L(less16bytes) |
| 1006 | L(35bytes): |
| 1007 | movdqu -35(%rsi), %xmm1 |
| 1008 | movdqu -35(%rdi), %xmm2 |
| 1009 | mov $-35, %dl |
| 1010 | pxor %xmm1, %xmm2 |
| 1011 | ptest %xmm2, %xmm0 |
| 1012 | jnc L(less16bytes) |
| 1013 | L(19bytes): |
| 1014 | mov -19(%rdi), %rax |
| 1015 | mov -19(%rsi), %rcx |
| 1016 | cmp %rax, %rcx |
| 1017 | jne L(diffin8bytes) |
| 1018 | L(11bytes): |
| 1019 | mov -11(%rdi), %rax |
| 1020 | mov -11(%rsi), %rcx |
| 1021 | cmp %rax, %rcx |
| 1022 | jne L(diffin8bytes) |
| 1023 | mov -4(%rdi), %eax |
| 1024 | mov -4(%rsi), %ecx |
| 1025 | cmp %eax, %ecx |
| 1026 | jne L(diffin4bytes) |
| 1027 | xor %eax, %eax |
| 1028 | ret |
| 1029 | |
| 1030 | ALIGN (4) |
| 1031 | L(15bytes): |
| 1032 | mov -15(%rdi), %rax |
| 1033 | mov -15(%rsi), %rcx |
| 1034 | cmp %rax, %rcx |
| 1035 | jne L(diffin8bytes) |
| 1036 | mov -8(%rdi), %rax |
| 1037 | mov -8(%rsi), %rcx |
| 1038 | cmp %rax, %rcx |
| 1039 | jne L(diffin8bytes) |
| 1040 | xor %eax, %eax |
| 1041 | ret |
| 1042 | |
| 1043 | ALIGN (4) |
| 1044 | L(7bytes): |
| 1045 | mov -7(%rdi), %eax |
| 1046 | mov -7(%rsi), %ecx |
| 1047 | cmp %eax, %ecx |
| 1048 | jne L(diffin4bytes) |
| 1049 | mov -4(%rdi), %eax |
| 1050 | mov -4(%rsi), %ecx |
| 1051 | cmp %eax, %ecx |
| 1052 | jne L(diffin4bytes) |
| 1053 | xor %eax, %eax |
| 1054 | ret |
| 1055 | |
| 1056 | ALIGN (4) |
| 1057 | L(3bytes): |
| 1058 | movzwl -3(%rdi), %eax |
| 1059 | movzwl -3(%rsi), %ecx |
| 1060 | cmp %eax, %ecx |
| 1061 | jne L(diffin2bytes) |
| 1062 | L(1bytes): |
| 1063 | movzbl -1(%rdi), %eax |
| 1064 | movzbl -1(%rsi), %ecx |
| 1065 | sub %ecx, %eax |
| 1066 | ret |
| 1067 | #endif |
| 1068 | |
| 1069 | ALIGN (4) |
| 1070 | L(68bytes): |
| 1071 | movdqu -68(%rdi), %xmm2 |
| 1072 | movdqu -68(%rsi), %xmm1 |
| 1073 | mov $-68, %dl |
| 1074 | pxor %xmm1, %xmm2 |
| 1075 | ptest %xmm2, %xmm0 |
| 1076 | jnc L(less16bytes) |
| 1077 | L(52bytes): |
| 1078 | movdqu -52(%rdi), %xmm2 |
| 1079 | movdqu -52(%rsi), %xmm1 |
| 1080 | mov $-52, %dl |
| 1081 | pxor %xmm1, %xmm2 |
| 1082 | ptest %xmm2, %xmm0 |
| 1083 | jnc L(less16bytes) |
| 1084 | L(36bytes): |
| 1085 | movdqu -36(%rdi), %xmm2 |
| 1086 | movdqu -36(%rsi), %xmm1 |
| 1087 | mov $-36, %dl |
| 1088 | pxor %xmm1, %xmm2 |
| 1089 | ptest %xmm2, %xmm0 |
| 1090 | jnc L(less16bytes) |
| 1091 | L(20bytes): |
| 1092 | movdqu -20(%rdi), %xmm2 |
| 1093 | movdqu -20(%rsi), %xmm1 |
| 1094 | mov $-20, %dl |
| 1095 | pxor %xmm1, %xmm2 |
| 1096 | ptest %xmm2, %xmm0 |
| 1097 | jnc L(less16bytes) |
| 1098 | mov -4(%rdi), %eax |
| 1099 | mov -4(%rsi), %ecx |
| 1100 | cmp %eax, %ecx |
| 1101 | jne L(diffin4bytes) |
| 1102 | xor %eax, %eax |
| 1103 | ret |
| 1104 | |
| 1105 | #ifndef USE_AS_WMEMCMP |
| 1106 | /* unreal cases for wmemcmp */ |
| 1107 | ALIGN (4) |
| 1108 | L(69bytes): |
| 1109 | movdqu -69(%rsi), %xmm1 |
| 1110 | movdqu -69(%rdi), %xmm2 |
| 1111 | mov $-69, %dl |
| 1112 | pxor %xmm1, %xmm2 |
| 1113 | ptest %xmm2, %xmm0 |
| 1114 | jnc L(less16bytes) |
| 1115 | L(53bytes): |
| 1116 | movdqu -53(%rsi), %xmm1 |
| 1117 | movdqu -53(%rdi), %xmm2 |
| 1118 | mov $-53, %dl |
| 1119 | pxor %xmm1, %xmm2 |
| 1120 | ptest %xmm2, %xmm0 |
| 1121 | jnc L(less16bytes) |
| 1122 | L(37bytes): |
| 1123 | movdqu -37(%rsi), %xmm1 |
| 1124 | movdqu -37(%rdi), %xmm2 |
| 1125 | mov $-37, %dl |
| 1126 | pxor %xmm1, %xmm2 |
| 1127 | ptest %xmm2, %xmm0 |
| 1128 | jnc L(less16bytes) |
| 1129 | L(21bytes): |
| 1130 | movdqu -21(%rsi), %xmm1 |
| 1131 | movdqu -21(%rdi), %xmm2 |
| 1132 | mov $-21, %dl |
| 1133 | pxor %xmm1, %xmm2 |
| 1134 | ptest %xmm2, %xmm0 |
| 1135 | jnc L(less16bytes) |
| 1136 | mov -8(%rdi), %rax |
| 1137 | mov -8(%rsi), %rcx |
| 1138 | cmp %rax, %rcx |
| 1139 | jne L(diffin8bytes) |
| 1140 | xor %eax, %eax |
| 1141 | ret |
| 1142 | |
| 1143 | ALIGN (4) |
| 1144 | L(70bytes): |
| 1145 | movdqu -70(%rsi), %xmm1 |
| 1146 | movdqu -70(%rdi), %xmm2 |
| 1147 | mov $-70, %dl |
| 1148 | pxor %xmm1, %xmm2 |
| 1149 | ptest %xmm2, %xmm0 |
| 1150 | jnc L(less16bytes) |
| 1151 | L(54bytes): |
| 1152 | movdqu -54(%rsi), %xmm1 |
| 1153 | movdqu -54(%rdi), %xmm2 |
| 1154 | mov $-54, %dl |
| 1155 | pxor %xmm1, %xmm2 |
| 1156 | ptest %xmm2, %xmm0 |
| 1157 | jnc L(less16bytes) |
| 1158 | L(38bytes): |
| 1159 | movdqu -38(%rsi), %xmm1 |
| 1160 | movdqu -38(%rdi), %xmm2 |
| 1161 | mov $-38, %dl |
| 1162 | pxor %xmm1, %xmm2 |
| 1163 | ptest %xmm2, %xmm0 |
| 1164 | jnc L(less16bytes) |
| 1165 | L(22bytes): |
| 1166 | movdqu -22(%rsi), %xmm1 |
| 1167 | movdqu -22(%rdi), %xmm2 |
| 1168 | mov $-22, %dl |
| 1169 | pxor %xmm1, %xmm2 |
| 1170 | ptest %xmm2, %xmm0 |
| 1171 | jnc L(less16bytes) |
| 1172 | mov -8(%rdi), %rax |
| 1173 | mov -8(%rsi), %rcx |
| 1174 | cmp %rax, %rcx |
| 1175 | jne L(diffin8bytes) |
| 1176 | xor %eax, %eax |
| 1177 | ret |
| 1178 | |
| 1179 | ALIGN (4) |
| 1180 | L(71bytes): |
| 1181 | movdqu -71(%rsi), %xmm1 |
| 1182 | movdqu -71(%rdi), %xmm2 |
| 1183 | mov $-71, %dl |
| 1184 | pxor %xmm1, %xmm2 |
| 1185 | ptest %xmm2, %xmm0 |
| 1186 | jnc L(less16bytes) |
| 1187 | L(55bytes): |
| 1188 | movdqu -55(%rdi), %xmm2 |
| 1189 | movdqu -55(%rsi), %xmm1 |
| 1190 | mov $-55, %dl |
| 1191 | pxor %xmm1, %xmm2 |
| 1192 | ptest %xmm2, %xmm0 |
| 1193 | jnc L(less16bytes) |
| 1194 | L(39bytes): |
| 1195 | movdqu -39(%rdi), %xmm2 |
| 1196 | movdqu -39(%rsi), %xmm1 |
| 1197 | mov $-39, %dl |
| 1198 | pxor %xmm1, %xmm2 |
| 1199 | ptest %xmm2, %xmm0 |
| 1200 | jnc L(less16bytes) |
| 1201 | L(23bytes): |
| 1202 | movdqu -23(%rdi), %xmm2 |
| 1203 | movdqu -23(%rsi), %xmm1 |
| 1204 | mov $-23, %dl |
| 1205 | pxor %xmm1, %xmm2 |
| 1206 | ptest %xmm2, %xmm0 |
| 1207 | jnc L(less16bytes) |
| 1208 | mov -8(%rdi), %rax |
| 1209 | mov -8(%rsi), %rcx |
| 1210 | cmp %rax, %rcx |
| 1211 | jne L(diffin8bytes) |
| 1212 | xor %eax, %eax |
| 1213 | ret |
| 1214 | #endif |
| 1215 | |
| 1216 | ALIGN (4) |
| 1217 | L(72bytes): |
| 1218 | movdqu -72(%rsi), %xmm1 |
| 1219 | movdqu -72(%rdi), %xmm2 |
| 1220 | mov $-72, %dl |
| 1221 | pxor %xmm1, %xmm2 |
| 1222 | ptest %xmm2, %xmm0 |
| 1223 | jnc L(less16bytes) |
| 1224 | L(56bytes): |
| 1225 | movdqu -56(%rdi), %xmm2 |
| 1226 | movdqu -56(%rsi), %xmm1 |
| 1227 | mov $-56, %dl |
| 1228 | pxor %xmm1, %xmm2 |
| 1229 | ptest %xmm2, %xmm0 |
| 1230 | jnc L(less16bytes) |
| 1231 | L(40bytes): |
| 1232 | movdqu -40(%rdi), %xmm2 |
| 1233 | movdqu -40(%rsi), %xmm1 |
| 1234 | mov $-40, %dl |
| 1235 | pxor %xmm1, %xmm2 |
| 1236 | ptest %xmm2, %xmm0 |
| 1237 | jnc L(less16bytes) |
| 1238 | L(24bytes): |
| 1239 | movdqu -24(%rdi), %xmm2 |
| 1240 | movdqu -24(%rsi), %xmm1 |
| 1241 | mov $-24, %dl |
| 1242 | pxor %xmm1, %xmm2 |
| 1243 | ptest %xmm2, %xmm0 |
| 1244 | jnc L(less16bytes) |
| 1245 | mov -8(%rdi), %rax |
| 1246 | mov -8(%rsi), %rcx |
| 1247 | cmp %rax, %rcx |
| 1248 | jne L(diffin8bytes) |
| 1249 | xor %eax, %eax |
| 1250 | ret |
| 1251 | |
| 1252 | #ifndef USE_AS_WMEMCMP |
| 1253 | /* unreal cases for wmemcmp */ |
| 1254 | ALIGN (4) |
| 1255 | L(73bytes): |
| 1256 | movdqu -73(%rsi), %xmm1 |
| 1257 | movdqu -73(%rdi), %xmm2 |
| 1258 | mov $-73, %dl |
| 1259 | pxor %xmm1, %xmm2 |
| 1260 | ptest %xmm2, %xmm0 |
| 1261 | jnc L(less16bytes) |
| 1262 | L(57bytes): |
| 1263 | movdqu -57(%rdi), %xmm2 |
| 1264 | movdqu -57(%rsi), %xmm1 |
| 1265 | mov $-57, %dl |
| 1266 | pxor %xmm1, %xmm2 |
| 1267 | ptest %xmm2, %xmm0 |
| 1268 | jnc L(less16bytes) |
| 1269 | L(41bytes): |
| 1270 | movdqu -41(%rdi), %xmm2 |
| 1271 | movdqu -41(%rsi), %xmm1 |
| 1272 | mov $-41, %dl |
| 1273 | pxor %xmm1, %xmm2 |
| 1274 | ptest %xmm2, %xmm0 |
| 1275 | jnc L(less16bytes) |
| 1276 | L(25bytes): |
| 1277 | movdqu -25(%rdi), %xmm2 |
| 1278 | movdqu -25(%rsi), %xmm1 |
| 1279 | mov $-25, %dl |
| 1280 | pxor %xmm1, %xmm2 |
| 1281 | ptest %xmm2, %xmm0 |
| 1282 | jnc L(less16bytes) |
| 1283 | mov -9(%rdi), %rax |
| 1284 | mov -9(%rsi), %rcx |
| 1285 | cmp %rax, %rcx |
| 1286 | jne L(diffin8bytes) |
| 1287 | movzbl -1(%rdi), %eax |
| 1288 | movzbl -1(%rsi), %ecx |
| 1289 | sub %ecx, %eax |
| 1290 | ret |
| 1291 | |
| 1292 | ALIGN (4) |
| 1293 | L(74bytes): |
| 1294 | movdqu -74(%rsi), %xmm1 |
| 1295 | movdqu -74(%rdi), %xmm2 |
| 1296 | mov $-74, %dl |
| 1297 | pxor %xmm1, %xmm2 |
| 1298 | ptest %xmm2, %xmm0 |
| 1299 | jnc L(less16bytes) |
| 1300 | L(58bytes): |
| 1301 | movdqu -58(%rdi), %xmm2 |
| 1302 | movdqu -58(%rsi), %xmm1 |
| 1303 | mov $-58, %dl |
| 1304 | pxor %xmm1, %xmm2 |
| 1305 | ptest %xmm2, %xmm0 |
| 1306 | jnc L(less16bytes) |
| 1307 | L(42bytes): |
| 1308 | movdqu -42(%rdi), %xmm2 |
| 1309 | movdqu -42(%rsi), %xmm1 |
| 1310 | mov $-42, %dl |
| 1311 | pxor %xmm1, %xmm2 |
| 1312 | ptest %xmm2, %xmm0 |
| 1313 | jnc L(less16bytes) |
| 1314 | L(26bytes): |
| 1315 | movdqu -26(%rdi), %xmm2 |
| 1316 | movdqu -26(%rsi), %xmm1 |
| 1317 | mov $-26, %dl |
| 1318 | pxor %xmm1, %xmm2 |
| 1319 | ptest %xmm2, %xmm0 |
| 1320 | jnc L(less16bytes) |
| 1321 | mov -10(%rdi), %rax |
| 1322 | mov -10(%rsi), %rcx |
| 1323 | cmp %rax, %rcx |
| 1324 | jne L(diffin8bytes) |
| 1325 | movzwl -2(%rdi), %eax |
| 1326 | movzwl -2(%rsi), %ecx |
| 1327 | jmp L(diffin2bytes) |
| 1328 | |
| 1329 | ALIGN (4) |
| 1330 | L(75bytes): |
| 1331 | movdqu -75(%rsi), %xmm1 |
| 1332 | movdqu -75(%rdi), %xmm2 |
| 1333 | mov $-75, %dl |
| 1334 | pxor %xmm1, %xmm2 |
| 1335 | ptest %xmm2, %xmm0 |
| 1336 | jnc L(less16bytes) |
| 1337 | L(59bytes): |
| 1338 | movdqu -59(%rdi), %xmm2 |
| 1339 | movdqu -59(%rsi), %xmm1 |
| 1340 | mov $-59, %dl |
| 1341 | pxor %xmm1, %xmm2 |
| 1342 | ptest %xmm2, %xmm0 |
| 1343 | jnc L(less16bytes) |
| 1344 | L(43bytes): |
| 1345 | movdqu -43(%rdi), %xmm2 |
| 1346 | movdqu -43(%rsi), %xmm1 |
| 1347 | mov $-43, %dl |
| 1348 | pxor %xmm1, %xmm2 |
| 1349 | ptest %xmm2, %xmm0 |
| 1350 | jnc L(less16bytes) |
| 1351 | L(27bytes): |
| 1352 | movdqu -27(%rdi), %xmm2 |
| 1353 | movdqu -27(%rsi), %xmm1 |
| 1354 | mov $-27, %dl |
| 1355 | pxor %xmm1, %xmm2 |
| 1356 | ptest %xmm2, %xmm0 |
| 1357 | jnc L(less16bytes) |
| 1358 | mov -11(%rdi), %rax |
| 1359 | mov -11(%rsi), %rcx |
| 1360 | cmp %rax, %rcx |
| 1361 | jne L(diffin8bytes) |
| 1362 | mov -4(%rdi), %eax |
| 1363 | mov -4(%rsi), %ecx |
| 1364 | cmp %eax, %ecx |
| 1365 | jne L(diffin4bytes) |
| 1366 | xor %eax, %eax |
| 1367 | ret |
| 1368 | #endif |
| 1369 | ALIGN (4) |
| 1370 | L(76bytes): |
| 1371 | movdqu -76(%rsi), %xmm1 |
| 1372 | movdqu -76(%rdi), %xmm2 |
| 1373 | mov $-76, %dl |
| 1374 | pxor %xmm1, %xmm2 |
| 1375 | ptest %xmm2, %xmm0 |
| 1376 | jnc L(less16bytes) |
| 1377 | L(60bytes): |
| 1378 | movdqu -60(%rdi), %xmm2 |
| 1379 | movdqu -60(%rsi), %xmm1 |
| 1380 | mov $-60, %dl |
| 1381 | pxor %xmm1, %xmm2 |
| 1382 | ptest %xmm2, %xmm0 |
| 1383 | jnc L(less16bytes) |
| 1384 | L(44bytes): |
| 1385 | movdqu -44(%rdi), %xmm2 |
| 1386 | movdqu -44(%rsi), %xmm1 |
| 1387 | mov $-44, %dl |
| 1388 | pxor %xmm1, %xmm2 |
| 1389 | ptest %xmm2, %xmm0 |
| 1390 | jnc L(less16bytes) |
| 1391 | L(28bytes): |
| 1392 | movdqu -28(%rdi), %xmm2 |
| 1393 | movdqu -28(%rsi), %xmm1 |
| 1394 | mov $-28, %dl |
| 1395 | pxor %xmm1, %xmm2 |
| 1396 | ptest %xmm2, %xmm0 |
| 1397 | jnc L(less16bytes) |
| 1398 | mov -12(%rdi), %rax |
| 1399 | mov -12(%rsi), %rcx |
| 1400 | cmp %rax, %rcx |
| 1401 | jne L(diffin8bytes) |
| 1402 | mov -4(%rdi), %eax |
| 1403 | mov -4(%rsi), %ecx |
| 1404 | cmp %eax, %ecx |
| 1405 | jne L(diffin4bytes) |
| 1406 | xor %eax, %eax |
| 1407 | ret |
| 1408 | |
| 1409 | #ifndef USE_AS_WMEMCMP |
| 1410 | /* unreal cases for wmemcmp */ |
| 1411 | ALIGN (4) |
| 1412 | L(77bytes): |
| 1413 | movdqu -77(%rsi), %xmm1 |
| 1414 | movdqu -77(%rdi), %xmm2 |
| 1415 | mov $-77, %dl |
| 1416 | pxor %xmm1, %xmm2 |
| 1417 | ptest %xmm2, %xmm0 |
| 1418 | jnc L(less16bytes) |
| 1419 | L(61bytes): |
| 1420 | movdqu -61(%rdi), %xmm2 |
| 1421 | movdqu -61(%rsi), %xmm1 |
| 1422 | mov $-61, %dl |
| 1423 | pxor %xmm1, %xmm2 |
| 1424 | ptest %xmm2, %xmm0 |
| 1425 | jnc L(less16bytes) |
| 1426 | L(45bytes): |
| 1427 | movdqu -45(%rdi), %xmm2 |
| 1428 | movdqu -45(%rsi), %xmm1 |
| 1429 | mov $-45, %dl |
| 1430 | pxor %xmm1, %xmm2 |
| 1431 | ptest %xmm2, %xmm0 |
| 1432 | jnc L(less16bytes) |
| 1433 | L(29bytes): |
| 1434 | movdqu -29(%rdi), %xmm2 |
| 1435 | movdqu -29(%rsi), %xmm1 |
| 1436 | mov $-29, %dl |
| 1437 | pxor %xmm1, %xmm2 |
| 1438 | ptest %xmm2, %xmm0 |
| 1439 | jnc L(less16bytes) |
| 1440 | |
| 1441 | mov -13(%rdi), %rax |
| 1442 | mov -13(%rsi), %rcx |
| 1443 | cmp %rax, %rcx |
| 1444 | jne L(diffin8bytes) |
| 1445 | |
| 1446 | mov -8(%rdi), %rax |
| 1447 | mov -8(%rsi), %rcx |
| 1448 | cmp %rax, %rcx |
| 1449 | jne L(diffin8bytes) |
| 1450 | xor %eax, %eax |
| 1451 | ret |
| 1452 | |
| 1453 | ALIGN (4) |
| 1454 | L(78bytes): |
| 1455 | movdqu -78(%rsi), %xmm1 |
| 1456 | movdqu -78(%rdi), %xmm2 |
| 1457 | mov $-78, %dl |
| 1458 | pxor %xmm1, %xmm2 |
| 1459 | ptest %xmm2, %xmm0 |
| 1460 | jnc L(less16bytes) |
| 1461 | L(62bytes): |
| 1462 | movdqu -62(%rdi), %xmm2 |
| 1463 | movdqu -62(%rsi), %xmm1 |
| 1464 | mov $-62, %dl |
| 1465 | pxor %xmm1, %xmm2 |
| 1466 | ptest %xmm2, %xmm0 |
| 1467 | jnc L(less16bytes) |
| 1468 | L(46bytes): |
| 1469 | movdqu -46(%rdi), %xmm2 |
| 1470 | movdqu -46(%rsi), %xmm1 |
| 1471 | mov $-46, %dl |
| 1472 | pxor %xmm1, %xmm2 |
| 1473 | ptest %xmm2, %xmm0 |
| 1474 | jnc L(less16bytes) |
| 1475 | L(30bytes): |
| 1476 | movdqu -30(%rdi), %xmm2 |
| 1477 | movdqu -30(%rsi), %xmm1 |
| 1478 | mov $-30, %dl |
| 1479 | pxor %xmm1, %xmm2 |
| 1480 | ptest %xmm2, %xmm0 |
| 1481 | jnc L(less16bytes) |
| 1482 | mov -14(%rdi), %rax |
| 1483 | mov -14(%rsi), %rcx |
| 1484 | cmp %rax, %rcx |
| 1485 | jne L(diffin8bytes) |
| 1486 | mov -8(%rdi), %rax |
| 1487 | mov -8(%rsi), %rcx |
| 1488 | cmp %rax, %rcx |
| 1489 | jne L(diffin8bytes) |
| 1490 | xor %eax, %eax |
| 1491 | ret |
| 1492 | |
| 1493 | ALIGN (4) |
| 1494 | L(79bytes): |
| 1495 | movdqu -79(%rsi), %xmm1 |
| 1496 | movdqu -79(%rdi), %xmm2 |
| 1497 | mov $-79, %dl |
| 1498 | pxor %xmm1, %xmm2 |
| 1499 | ptest %xmm2, %xmm0 |
| 1500 | jnc L(less16bytes) |
| 1501 | L(63bytes): |
| 1502 | movdqu -63(%rdi), %xmm2 |
| 1503 | movdqu -63(%rsi), %xmm1 |
| 1504 | mov $-63, %dl |
| 1505 | pxor %xmm1, %xmm2 |
| 1506 | ptest %xmm2, %xmm0 |
| 1507 | jnc L(less16bytes) |
| 1508 | L(47bytes): |
| 1509 | movdqu -47(%rdi), %xmm2 |
| 1510 | movdqu -47(%rsi), %xmm1 |
| 1511 | mov $-47, %dl |
| 1512 | pxor %xmm1, %xmm2 |
| 1513 | ptest %xmm2, %xmm0 |
| 1514 | jnc L(less16bytes) |
| 1515 | L(31bytes): |
| 1516 | movdqu -31(%rdi), %xmm2 |
| 1517 | movdqu -31(%rsi), %xmm1 |
| 1518 | mov $-31, %dl |
| 1519 | pxor %xmm1, %xmm2 |
| 1520 | ptest %xmm2, %xmm0 |
| 1521 | jnc L(less16bytes) |
| 1522 | mov -15(%rdi), %rax |
| 1523 | mov -15(%rsi), %rcx |
| 1524 | cmp %rax, %rcx |
| 1525 | jne L(diffin8bytes) |
| 1526 | mov -8(%rdi), %rax |
| 1527 | mov -8(%rsi), %rcx |
| 1528 | cmp %rax, %rcx |
| 1529 | jne L(diffin8bytes) |
| 1530 | xor %eax, %eax |
| 1531 | ret |
| 1532 | #endif |
| 1533 | ALIGN (4) |
| 1534 | L(64bytes): |
| 1535 | movdqu -64(%rdi), %xmm2 |
| 1536 | movdqu -64(%rsi), %xmm1 |
| 1537 | mov $-64, %dl |
| 1538 | pxor %xmm1, %xmm2 |
| 1539 | ptest %xmm2, %xmm0 |
| 1540 | jnc L(less16bytes) |
| 1541 | L(48bytes): |
| 1542 | movdqu -48(%rdi), %xmm2 |
| 1543 | movdqu -48(%rsi), %xmm1 |
| 1544 | mov $-48, %dl |
| 1545 | pxor %xmm1, %xmm2 |
| 1546 | ptest %xmm2, %xmm0 |
| 1547 | jnc L(less16bytes) |
| 1548 | L(32bytes): |
| 1549 | movdqu -32(%rdi), %xmm2 |
| 1550 | movdqu -32(%rsi), %xmm1 |
| 1551 | mov $-32, %dl |
| 1552 | pxor %xmm1, %xmm2 |
| 1553 | ptest %xmm2, %xmm0 |
| 1554 | jnc L(less16bytes) |
| 1555 | |
| 1556 | mov -16(%rdi), %rax |
| 1557 | mov -16(%rsi), %rcx |
| 1558 | cmp %rax, %rcx |
| 1559 | jne L(diffin8bytes) |
| 1560 | |
| 1561 | mov -8(%rdi), %rax |
| 1562 | mov -8(%rsi), %rcx |
| 1563 | cmp %rax, %rcx |
| 1564 | jne L(diffin8bytes) |
| 1565 | xor %eax, %eax |
| 1566 | ret |
| 1567 | |
| 1568 | /* |
| 1569 | * Aligned 8 bytes to avoid 2 branch "taken" in one 16 alinged code block. |
| 1570 | */ |
| 1571 | ALIGN (3) |
| 1572 | L(less16bytes): |
| 1573 | movsbq %dl, %rdx |
| 1574 | mov (%rsi, %rdx), %rcx |
| 1575 | mov (%rdi, %rdx), %rax |
| 1576 | cmp %rax, %rcx |
| 1577 | jne L(diffin8bytes) |
| 1578 | mov 8(%rsi, %rdx), %rcx |
| 1579 | mov 8(%rdi, %rdx), %rax |
| 1580 | L(diffin8bytes): |
| 1581 | cmp %eax, %ecx |
| 1582 | jne L(diffin4bytes) |
| 1583 | shr $32, %rcx |
| 1584 | shr $32, %rax |
| 1585 | |
| 1586 | #ifdef USE_AS_WMEMCMP |
| 1587 | /* for wmemcmp */ |
| 1588 | cmp %eax, %ecx |
| 1589 | jne L(diffin4bytes) |
| 1590 | xor %eax, %eax |
| 1591 | ret |
| 1592 | #endif |
| 1593 | |
| 1594 | L(diffin4bytes): |
| 1595 | #ifndef USE_AS_WMEMCMP |
| 1596 | cmp %cx, %ax |
| 1597 | jne L(diffin2bytes) |
| 1598 | shr $16, %ecx |
| 1599 | shr $16, %eax |
| 1600 | L(diffin2bytes): |
| 1601 | cmp %cl, %al |
| 1602 | jne L(end) |
| 1603 | and $0xffff, %eax |
| 1604 | and $0xffff, %ecx |
| 1605 | sub %ecx, %eax |
| 1606 | ret |
| 1607 | #else |
| 1608 | |
| 1609 | /* for wmemcmp */ |
| 1610 | mov $1, %eax |
| 1611 | jl L(nequal_bigger) |
| 1612 | neg %eax |
| 1613 | ret |
| 1614 | |
| 1615 | ALIGN (4) |
| 1616 | L(nequal_bigger): |
| 1617 | ret |
| 1618 | |
| 1619 | L(unreal_case): |
| 1620 | xor %eax, %eax |
| 1621 | ret |
| 1622 | #endif |
| 1623 | |
| 1624 | ALIGN (4) |
| 1625 | L(end): |
| 1626 | and $0xff, %eax |
| 1627 | and $0xff, %ecx |
| 1628 | sub %ecx, %eax |
| 1629 | ret |
| 1630 | |
| 1631 | END (MEMCMP) |
| 1632 | |
| 1633 | .section .rodata.sse4.1,"a",@progbits |
| 1634 | ALIGN (3) |
| 1635 | #ifndef USE_AS_WMEMCMP |
| 1636 | L(table_64bytes): |
| 1637 | .int JMPTBL (L(0bytes), L(table_64bytes)) |
| 1638 | .int JMPTBL (L(1bytes), L(table_64bytes)) |
| 1639 | .int JMPTBL (L(2bytes), L(table_64bytes)) |
| 1640 | .int JMPTBL (L(3bytes), L(table_64bytes)) |
| 1641 | .int JMPTBL (L(4bytes), L(table_64bytes)) |
| 1642 | .int JMPTBL (L(5bytes), L(table_64bytes)) |
| 1643 | .int JMPTBL (L(6bytes), L(table_64bytes)) |
| 1644 | .int JMPTBL (L(7bytes), L(table_64bytes)) |
| 1645 | .int JMPTBL (L(8bytes), L(table_64bytes)) |
| 1646 | .int JMPTBL (L(9bytes), L(table_64bytes)) |
| 1647 | .int JMPTBL (L(10bytes), L(table_64bytes)) |
| 1648 | .int JMPTBL (L(11bytes), L(table_64bytes)) |
| 1649 | .int JMPTBL (L(12bytes), L(table_64bytes)) |
| 1650 | .int JMPTBL (L(13bytes), L(table_64bytes)) |
| 1651 | .int JMPTBL (L(14bytes), L(table_64bytes)) |
| 1652 | .int JMPTBL (L(15bytes), L(table_64bytes)) |
| 1653 | .int JMPTBL (L(16bytes), L(table_64bytes)) |
| 1654 | .int JMPTBL (L(17bytes), L(table_64bytes)) |
| 1655 | .int JMPTBL (L(18bytes), L(table_64bytes)) |
| 1656 | .int JMPTBL (L(19bytes), L(table_64bytes)) |
| 1657 | .int JMPTBL (L(20bytes), L(table_64bytes)) |
| 1658 | .int JMPTBL (L(21bytes), L(table_64bytes)) |
| 1659 | .int JMPTBL (L(22bytes), L(table_64bytes)) |
| 1660 | .int JMPTBL (L(23bytes), L(table_64bytes)) |
| 1661 | .int JMPTBL (L(24bytes), L(table_64bytes)) |
| 1662 | .int JMPTBL (L(25bytes), L(table_64bytes)) |
| 1663 | .int JMPTBL (L(26bytes), L(table_64bytes)) |
| 1664 | .int JMPTBL (L(27bytes), L(table_64bytes)) |
| 1665 | .int JMPTBL (L(28bytes), L(table_64bytes)) |
| 1666 | .int JMPTBL (L(29bytes), L(table_64bytes)) |
| 1667 | .int JMPTBL (L(30bytes), L(table_64bytes)) |
| 1668 | .int JMPTBL (L(31bytes), L(table_64bytes)) |
| 1669 | .int JMPTBL (L(32bytes), L(table_64bytes)) |
| 1670 | .int JMPTBL (L(33bytes), L(table_64bytes)) |
| 1671 | .int JMPTBL (L(34bytes), L(table_64bytes)) |
| 1672 | .int JMPTBL (L(35bytes), L(table_64bytes)) |
| 1673 | .int JMPTBL (L(36bytes), L(table_64bytes)) |
| 1674 | .int JMPTBL (L(37bytes), L(table_64bytes)) |
| 1675 | .int JMPTBL (L(38bytes), L(table_64bytes)) |
| 1676 | .int JMPTBL (L(39bytes), L(table_64bytes)) |
| 1677 | .int JMPTBL (L(40bytes), L(table_64bytes)) |
| 1678 | .int JMPTBL (L(41bytes), L(table_64bytes)) |
| 1679 | .int JMPTBL (L(42bytes), L(table_64bytes)) |
| 1680 | .int JMPTBL (L(43bytes), L(table_64bytes)) |
| 1681 | .int JMPTBL (L(44bytes), L(table_64bytes)) |
| 1682 | .int JMPTBL (L(45bytes), L(table_64bytes)) |
| 1683 | .int JMPTBL (L(46bytes), L(table_64bytes)) |
| 1684 | .int JMPTBL (L(47bytes), L(table_64bytes)) |
| 1685 | .int JMPTBL (L(48bytes), L(table_64bytes)) |
| 1686 | .int JMPTBL (L(49bytes), L(table_64bytes)) |
| 1687 | .int JMPTBL (L(50bytes), L(table_64bytes)) |
| 1688 | .int JMPTBL (L(51bytes), L(table_64bytes)) |
| 1689 | .int JMPTBL (L(52bytes), L(table_64bytes)) |
| 1690 | .int JMPTBL (L(53bytes), L(table_64bytes)) |
| 1691 | .int JMPTBL (L(54bytes), L(table_64bytes)) |
| 1692 | .int JMPTBL (L(55bytes), L(table_64bytes)) |
| 1693 | .int JMPTBL (L(56bytes), L(table_64bytes)) |
| 1694 | .int JMPTBL (L(57bytes), L(table_64bytes)) |
| 1695 | .int JMPTBL (L(58bytes), L(table_64bytes)) |
| 1696 | .int JMPTBL (L(59bytes), L(table_64bytes)) |
| 1697 | .int JMPTBL (L(60bytes), L(table_64bytes)) |
| 1698 | .int JMPTBL (L(61bytes), L(table_64bytes)) |
| 1699 | .int JMPTBL (L(62bytes), L(table_64bytes)) |
| 1700 | .int JMPTBL (L(63bytes), L(table_64bytes)) |
| 1701 | .int JMPTBL (L(64bytes), L(table_64bytes)) |
| 1702 | .int JMPTBL (L(65bytes), L(table_64bytes)) |
| 1703 | .int JMPTBL (L(66bytes), L(table_64bytes)) |
| 1704 | .int JMPTBL (L(67bytes), L(table_64bytes)) |
| 1705 | .int JMPTBL (L(68bytes), L(table_64bytes)) |
| 1706 | .int JMPTBL (L(69bytes), L(table_64bytes)) |
| 1707 | .int JMPTBL (L(70bytes), L(table_64bytes)) |
| 1708 | .int JMPTBL (L(71bytes), L(table_64bytes)) |
| 1709 | .int JMPTBL (L(72bytes), L(table_64bytes)) |
| 1710 | .int JMPTBL (L(73bytes), L(table_64bytes)) |
| 1711 | .int JMPTBL (L(74bytes), L(table_64bytes)) |
| 1712 | .int JMPTBL (L(75bytes), L(table_64bytes)) |
| 1713 | .int JMPTBL (L(76bytes), L(table_64bytes)) |
| 1714 | .int JMPTBL (L(77bytes), L(table_64bytes)) |
| 1715 | .int JMPTBL (L(78bytes), L(table_64bytes)) |
| 1716 | .int JMPTBL (L(79bytes), L(table_64bytes)) |
| 1717 | #else |
| 1718 | L(table_64bytes): |
| 1719 | .int JMPTBL (L(0bytes), L(table_64bytes)) |
| 1720 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1721 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1722 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1723 | .int JMPTBL (L(4bytes), L(table_64bytes)) |
| 1724 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1725 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1726 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1727 | .int JMPTBL (L(8bytes), L(table_64bytes)) |
| 1728 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1729 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1730 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1731 | .int JMPTBL (L(12bytes), L(table_64bytes)) |
| 1732 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1733 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1734 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1735 | .int JMPTBL (L(16bytes), L(table_64bytes)) |
| 1736 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1737 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1738 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1739 | .int JMPTBL (L(20bytes), L(table_64bytes)) |
| 1740 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1741 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1742 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1743 | .int JMPTBL (L(24bytes), L(table_64bytes)) |
| 1744 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1745 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1746 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1747 | .int JMPTBL (L(28bytes), L(table_64bytes)) |
| 1748 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1749 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1750 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1751 | .int JMPTBL (L(32bytes), L(table_64bytes)) |
| 1752 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1753 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1754 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1755 | .int JMPTBL (L(36bytes), L(table_64bytes)) |
| 1756 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1757 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1758 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1759 | .int JMPTBL (L(40bytes), L(table_64bytes)) |
| 1760 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1761 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1762 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1763 | .int JMPTBL (L(44bytes), L(table_64bytes)) |
| 1764 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1765 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1766 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1767 | .int JMPTBL (L(48bytes), L(table_64bytes)) |
| 1768 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1769 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1770 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1771 | .int JMPTBL (L(52bytes), L(table_64bytes)) |
| 1772 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1773 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1774 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1775 | .int JMPTBL (L(56bytes), L(table_64bytes)) |
| 1776 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1777 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1778 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1779 | .int JMPTBL (L(60bytes), L(table_64bytes)) |
| 1780 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1781 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1782 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1783 | .int JMPTBL (L(64bytes), L(table_64bytes)) |
| 1784 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1785 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1786 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1787 | .int JMPTBL (L(68bytes), L(table_64bytes)) |
| 1788 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1789 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1790 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1791 | .int JMPTBL (L(72bytes), L(table_64bytes)) |
| 1792 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1793 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1794 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1795 | .int JMPTBL (L(76bytes), L(table_64bytes)) |
| 1796 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1797 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1798 | .int JMPTBL (L(unreal_case), L(table_64bytes)) |
| 1799 | #endif |