Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/include/asm-alpha/xor.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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1 /* 2 * include/asm-alpha/xor.h 3 * 4 * Optimized RAID-5 checksumming functions for alpha EV5 and EV6 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2, or (at your option) 9 * any later version. 10 * 11 * You should have received a copy of the GNU General Public License 12 * (for example /usr/src/linux/COPYING); if not, write to the Free 13 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 14 */ 15 16 extern void xor_alpha_2(unsigned long, unsigned long *, unsigned long *); 17 extern void xor_alpha_3(unsigned long, unsigned long *, unsigned long *, 18 unsigned long *); 19 extern void xor_alpha_4(unsigned long, unsigned long *, unsigned long *, 20 unsigned long *, unsigned long *); 21 extern void xor_alpha_5(unsigned long, unsigned long *, unsigned long *, 22 unsigned long *, unsigned long *, unsigned long *); 23 24 extern void xor_alpha_prefetch_2(unsigned long, unsigned long *, 25 unsigned long *); 26 extern void xor_alpha_prefetch_3(unsigned long, unsigned long *, 27 unsigned long *, unsigned long *); 28 extern void xor_alpha_prefetch_4(unsigned long, unsigned long *, 29 unsigned long *, unsigned long *, 30 unsigned long *); 31 extern void xor_alpha_prefetch_5(unsigned long, unsigned long *, 32 unsigned long *, unsigned long *, 33 unsigned long *, unsigned long *); 34 35 asm(" 36 .text 37 .align 3 38 .ent xor_alpha_2 39 xor_alpha_2: 40 .prologue 0 41 srl $16, 6, $16 42 .align 4 43 2: 44 ldq $0,0($17) 45 ldq $1,0($18) 46 ldq $2,8($17) 47 ldq $3,8($18) 48 49 ldq $4,16($17) 50 ldq $5,16($18) 51 ldq $6,24($17) 52 ldq $7,24($18) 53 54 ldq $19,32($17) 55 ldq $20,32($18) 56 ldq $21,40($17) 57 ldq $22,40($18) 58 59 ldq $23,48($17) 60 ldq $24,48($18) 61 ldq $25,56($17) 62 xor $0,$1,$0 # 7 cycles from $1 load 63 64 ldq $27,56($18) 65 xor $2,$3,$2 66 stq $0,0($17) 67 xor $4,$5,$4 68 69 stq $2,8($17) 70 xor $6,$7,$6 71 stq $4,16($17) 72 xor $19,$20,$19 73 74 stq $6,24($17) 75 xor $21,$22,$21 76 stq $19,32($17) 77 xor $23,$24,$23 78 79 stq $21,40($17) 80 xor $25,$27,$25 81 stq $23,48($17) 82 subq $16,1,$16 83 84 stq $25,56($17) 85 addq $17,64,$17 86 addq $18,64,$18 87 bgt $16,2b 88 89 ret 90 .end xor_alpha_2 91 92 .align 3 93 .ent xor_alpha_3 94 xor_alpha_3: 95 .prologue 0 96 srl $16, 6, $16 97 .align 4 98 3: 99 ldq $0,0($17) 100 ldq $1,0($18) 101 ldq $2,0($19) 102 ldq $3,8($17) 103 104 ldq $4,8($18) 105 ldq $6,16($17) 106 ldq $7,16($18) 107 ldq $21,24($17) 108 109 ldq $22,24($18) 110 ldq $24,32($17) 111 ldq $25,32($18) 112 ldq $5,8($19) 113 114 ldq $20,16($19) 115 ldq $23,24($19) 116 ldq $27,32($19) 117 nop 118 119 xor $0,$1,$1 # 8 cycles from $0 load 120 xor $3,$4,$4 # 6 cycles from $4 load 121 xor $6,$7,$7 # 6 cycles from $7 load 122 xor $21,$22,$22 # 5 cycles from $22 load 123 124 xor $1,$2,$2 # 9 cycles from $2 load 125 xor $24,$25,$25 # 5 cycles from $25 load 126 stq $2,0($17) 127 xor $4,$5,$5 # 6 cycles from $5 load 128 129 stq $5,8($17) 130 xor $7,$20,$20 # 7 cycles from $20 load 131 stq $20,16($17) 132 xor $22,$23,$23 # 7 cycles from $23 load 133 134 stq $23,24($17) 135 xor $25,$27,$27 # 7 cycles from $27 load 136 stq $27,32($17) 137 nop 138 139 ldq $0,40($17) 140 ldq $1,40($18) 141 ldq $3,48($17) 142 ldq $4,48($18) 143 144 ldq $6,56($17) 145 ldq $7,56($18) 146 ldq $2,40($19) 147 ldq $5,48($19) 148 149 ldq $20,56($19) 150 xor $0,$1,$1 # 4 cycles from $1 load 151 xor $3,$4,$4 # 5 cycles from $4 load 152 xor $6,$7,$7 # 5 cycles from $7 load 153 154 xor $1,$2,$2 # 4 cycles from $2 load 155 xor $4,$5,$5 # 5 cycles from $5 load 156 stq $2,40($17) 157 xor $7,$20,$20 # 4 cycles from $20 load 158 159 stq $5,48($17) 160 subq $16,1,$16 161 stq $20,56($17) 162 addq $19,64,$19 163 164 addq $18,64,$18 165 addq $17,64,$17 166 bgt $16,3b 167 ret 168 .end xor_alpha_3 169 170 .align 3 171 .ent xor_alpha_4 172 xor_alpha_4: 173 .prologue 0 174 srl $16, 6, $16 175 .align 4 176 4: 177 ldq $0,0($17) 178 ldq $1,0($18) 179 ldq $2,0($19) 180 ldq $3,0($20) 181 182 ldq $4,8($17) 183 ldq $5,8($18) 184 ldq $6,8($19) 185 ldq $7,8($20) 186 187 ldq $21,16($17) 188 ldq $22,16($18) 189 ldq $23,16($19) 190 ldq $24,16($20) 191 192 ldq $25,24($17) 193 xor $0,$1,$1 # 6 cycles from $1 load 194 ldq $27,24($18) 195 xor $2,$3,$3 # 6 cycles from $3 load 196 197 ldq $0,24($19) 198 xor $1,$3,$3 199 ldq $1,24($20) 200 xor $4,$5,$5 # 7 cycles from $5 load 201 202 stq $3,0($17) 203 xor $6,$7,$7 204 xor $21,$22,$22 # 7 cycles from $22 load 205 xor $5,$7,$7 206 207 stq $7,8($17) 208 xor $23,$24,$24 # 7 cycles from $24 load 209 ldq $2,32($17) 210 xor $22,$24,$24 211 212 ldq $3,32($18) 213 ldq $4,32($19) 214 ldq $5,32($20) 215 xor $25,$27,$27 # 8 cycles from $27 load 216 217 ldq $6,40($17) 218 ldq $7,40($18) 219 ldq $21,40($19) 220 ldq $22,40($20) 221 222 stq $24,16($17) 223 xor $0,$1,$1 # 9 cycles from $1 load 224 xor $2,$3,$3 # 5 cycles from $3 load 225 xor $27,$1,$1 226 227 stq $1,24($17) 228 xor $4,$5,$5 # 5 cycles from $5 load 229 ldq $23,48($17) 230 ldq $24,48($18) 231 232 ldq $25,48($19) 233 xor $3,$5,$5 234 ldq $27,48($20) 235 ldq $0,56($17) 236 237 ldq $1,56($18) 238 ldq $2,56($19) 239 xor $6,$7,$7 # 8 cycles from $6 load 240 ldq $3,56($20) 241 242 stq $5,32($17) 243 xor $21,$22,$22 # 8 cycles from $22 load 244 xor $7,$22,$22 245 xor $23,$24,$24 # 5 cycles from $24 load 246 247 stq $22,40($17) 248 xor $25,$27,$27 # 5 cycles from $27 load 249 xor $24,$27,$27 250 xor $0,$1,$1 # 5 cycles from $1 load 251 252 stq $27,48($17) 253 xor $2,$3,$3 # 4 cycles from $3 load 254 xor $1,$3,$3 255 subq $16,1,$16 256 257 stq $3,56($17) 258 addq $20,64,$20 259 addq $19,64,$19 260 addq $18,64,$18 261 262 addq $17,64,$17 263 bgt $16,4b 264 ret 265 .end xor_alpha_4 266 267 .align 3 268 .ent xor_alpha_5 269 xor_alpha_5: 270 .prologue 0 271 srl $16, 6, $16 272 .align 4 273 5: 274 ldq $0,0($17) 275 ldq $1,0($18) 276 ldq $2,0($19) 277 ldq $3,0($20) 278 279 ldq $4,0($21) 280 ldq $5,8($17) 281 ldq $6,8($18) 282 ldq $7,8($19) 283 284 ldq $22,8($20) 285 ldq $23,8($21) 286 ldq $24,16($17) 287 ldq $25,16($18) 288 289 ldq $27,16($19) 290 xor $0,$1,$1 # 6 cycles from $1 load 291 ldq $28,16($20) 292 xor $2,$3,$3 # 6 cycles from $3 load 293 294 ldq $0,16($21) 295 xor $1,$3,$3 296 ldq $1,24($17) 297 xor $3,$4,$4 # 7 cycles from $4 load 298 299 stq $4,0($17) 300 xor $5,$6,$6 # 7 cycles from $6 load 301 xor $7,$22,$22 # 7 cycles from $22 load 302 xor $6,$23,$23 # 7 cycles from $23 load 303 304 ldq $2,24($18) 305 xor $22,$23,$23 306 ldq $3,24($19) 307 xor $24,$25,$25 # 8 cycles from $25 load 308 309 stq $23,8($17) 310 xor $25,$27,$27 # 8 cycles from $27 load 311 ldq $4,24($20) 312 xor $28,$0,$0 # 7 cycles from $0 load 313 314 ldq $5,24($21) 315 xor $27,$0,$0 316 ldq $6,32($17) 317 ldq $7,32($18) 318 319 stq $0,16($17) 320 xor $1,$2,$2 # 6 cycles from $2 load 321 ldq $22,32($19) 322 xor $3,$4,$4 # 4 cycles from $4 load 323 324 ldq $23,32($20) 325 xor $2,$4,$4 326 ldq $24,32($21) 327 ldq $25,40($17) 328 329 ldq $27,40($18) 330 ldq $28,40($19) 331 ldq $0,40($20) 332 xor $4,$5,$5 # 7 cycles from $5 load 333 334 stq $5,24($17) 335 xor $6,$7,$7 # 7 cycles from $7 load 336 ldq $1,40($21) 337 ldq $2,48($17) 338 339 ldq $3,48($18) 340 xor $7,$22,$22 # 7 cycles from $22 load 341 ldq $4,48($19) 342 xor $23,$24,$24 # 6 cycles from $24 load 343 344 ldq $5,48($20) 345 xor $22,$24,$24 346 ldq $6,48($21) 347 xor $25,$27,$27 # 7 cycles from $27 load 348 349 stq $24,32($17) 350 xor $27,$28,$28 # 8 cycles from $28 load 351 ldq $7,56($17) 352 xor $0,$1,$1 # 6 cycles from $1 load 353 354 ldq $22,56($18) 355 ldq $23,56($19) 356 ldq $24,56($20) 357 ldq $25,56($21) 358 359 xor $28,$1,$1 360 xor $2,$3,$3 # 9 cycles from $3 load 361 xor $3,$4,$4 # 9 cycles from $4 load 362 xor $5,$6,$6 # 8 cycles from $6 load 363 364 stq $1,40($17) 365 xor $4,$6,$6 366 xor $7,$22,$22 # 7 cycles from $22 load 367 xor $23,$24,$24 # 6 cycles from $24 load 368 369 stq $6,48($17) 370 xor $22,$24,$24 371 subq $16,1,$16 372 xor $24,$25,$25 # 8 cycles from $25 load 373 374 stq $25,56($17) 375 addq $21,64,$21 376 addq $20,64,$20 377 addq $19,64,$19 378 379 addq $18,64,$18 380 addq $17,64,$17 381 bgt $16,5b 382 ret 383 .end xor_alpha_5 384 385 .align 3 386 .ent xor_alpha_prefetch_2 387 xor_alpha_prefetch_2: 388 .prologue 0 389 srl $16, 6, $16 390 391 ldq $31, 0($17) 392 ldq $31, 0($18) 393 394 ldq $31, 64($17) 395 ldq $31, 64($18) 396 397 ldq $31, 128($17) 398 ldq $31, 128($18) 399 400 ldq $31, 192($17) 401 ldq $31, 192($18) 402 .align 4 403 2: 404 ldq $0,0($17) 405 ldq $1,0($18) 406 ldq $2,8($17) 407 ldq $3,8($18) 408 409 ldq $4,16($17) 410 ldq $5,16($18) 411 ldq $6,24($17) 412 ldq $7,24($18) 413 414 ldq $19,32($17) 415 ldq $20,32($18) 416 ldq $21,40($17) 417 ldq $22,40($18) 418 419 ldq $23,48($17) 420 ldq $24,48($18) 421 ldq $25,56($17) 422 ldq $27,56($18) 423 424 ldq $31,256($17) 425 xor $0,$1,$0 # 8 cycles from $1 load 426 ldq $31,256($18) 427 xor $2,$3,$2 428 429 stq $0,0($17) 430 xor $4,$5,$4 431 stq $2,8($17) 432 xor $6,$7,$6 433 434 stq $4,16($17) 435 xor $19,$20,$19 436 stq $6,24($17) 437 xor $21,$22,$21 438 439 stq $19,32($17) 440 xor $23,$24,$23 441 stq $21,40($17) 442 xor $25,$27,$25 443 444 stq $23,48($17) 445 subq $16,1,$16 446 stq $25,56($17) 447 addq $17,64,$17 448 449 addq $18,64,$18 450 bgt $16,2b 451 ret 452 .end xor_alpha_prefetch_2 453 454 .align 3 455 .ent xor_alpha_prefetch_3 456 xor_alpha_prefetch_3: 457 .prologue 0 458 srl $16, 6, $16 459 460 ldq $31, 0($17) 461 ldq $31, 0($18) 462 ldq $31, 0($19) 463 464 ldq $31, 64($17) 465 ldq $31, 64($18) 466 ldq $31, 64($19) 467 468 ldq $31, 128($17) 469 ldq $31, 128($18) 470 ldq $31, 128($19) 471 472 ldq $31, 192($17) 473 ldq $31, 192($18) 474 ldq $31, 192($19) 475 .align 4 476 3: 477 ldq $0,0($17) 478 ldq $1,0($18) 479 ldq $2,0($19) 480 ldq $3,8($17) 481 482 ldq $4,8($18) 483 ldq $6,16($17) 484 ldq $7,16($18) 485 ldq $21,24($17) 486 487 ldq $22,24($18) 488 ldq $24,32($17) 489 ldq $25,32($18) 490 ldq $5,8($19) 491 492 ldq $20,16($19) 493 ldq $23,24($19) 494 ldq $27,32($19) 495 nop 496 497 xor $0,$1,$1 # 8 cycles from $0 load 498 xor $3,$4,$4 # 7 cycles from $4 load 499 xor $6,$7,$7 # 6 cycles from $7 load 500 xor $21,$22,$22 # 5 cycles from $22 load 501 502 xor $1,$2,$2 # 9 cycles from $2 load 503 xor $24,$25,$25 # 5 cycles from $25 load 504 stq $2,0($17) 505 xor $4,$5,$5 # 6 cycles from $5 load 506 507 stq $5,8($17) 508 xor $7,$20,$20 # 7 cycles from $20 load 509 stq $20,16($17) 510 xor $22,$23,$23 # 7 cycles from $23 load 511 512 stq $23,24($17) 513 xor $25,$27,$27 # 7 cycles from $27 load 514 stq $27,32($17) 515 nop 516 517 ldq $0,40($17) 518 ldq $1,40($18) 519 ldq $3,48($17) 520 ldq $4,48($18) 521 522 ldq $6,56($17) 523 ldq $7,56($18) 524 ldq $2,40($19) 525 ldq $5,48($19) 526 527 ldq $20,56($19) 528 ldq $31,256($17) 529 ldq $31,256($18) 530 ldq $31,256($19) 531 532 xor $0,$1,$1 # 6 cycles from $1 load 533 xor $3,$4,$4 # 5 cycles from $4 load 534 xor $6,$7,$7 # 5 cycles from $7 load 535 xor $1,$2,$2 # 4 cycles from $2 load 536 537 xor $4,$5,$5 # 5 cycles from $5 load 538 xor $7,$20,$20 # 4 cycles from $20 load 539 stq $2,40($17) 540 subq $16,1,$16 541 542 stq $5,48($17) 543 addq $19,64,$19 544 stq $20,56($17) 545 addq $18,64,$18 546 547 addq $17,64,$17 548 bgt $16,3b 549 ret 550 .end xor_alpha_prefetch_3 551 552 .align 3 553 .ent xor_alpha_prefetch_4 554 xor_alpha_prefetch_4: 555 .prologue 0 556 srl $16, 6, $16 557 558 ldq $31, 0($17) 559 ldq $31, 0($18) 560 ldq $31, 0($19) 561 ldq $31, 0($20) 562 563 ldq $31, 64($17) 564 ldq $31, 64($18) 565 ldq $31, 64($19) 566 ldq $31, 64($20) 567 568 ldq $31, 128($17) 569 ldq $31, 128($18) 570 ldq $31, 128($19) 571 ldq $31, 128($20) 572 573 ldq $31, 192($17) 574 ldq $31, 192($18) 575 ldq $31, 192($19) 576 ldq $31, 192($20) 577 .align 4 578 4: 579 ldq $0,0($17) 580 ldq $1,0($18) 581 ldq $2,0($19) 582 ldq $3,0($20) 583 584 ldq $4,8($17) 585 ldq $5,8($18) 586 ldq $6,8($19) 587 ldq $7,8($20) 588 589 ldq $21,16($17) 590 ldq $22,16($18) 591 ldq $23,16($19) 592 ldq $24,16($20) 593 594 ldq $25,24($17) 595 xor $0,$1,$1 # 6 cycles from $1 load 596 ldq $27,24($18) 597 xor $2,$3,$3 # 6 cycles from $3 load 598 599 ldq $0,24($19) 600 xor $1,$3,$3 601 ldq $1,24($20) 602 xor $4,$5,$5 # 7 cycles from $5 load 603 604 stq $3,0($17) 605 xor $6,$7,$7 606 xor $21,$22,$22 # 7 cycles from $22 load 607 xor $5,$7,$7 608 609 stq $7,8($17) 610 xor $23,$24,$24 # 7 cycles from $24 load 611 ldq $2,32($17) 612 xor $22,$24,$24 613 614 ldq $3,32($18) 615 ldq $4,32($19) 616 ldq $5,32($20) 617 xor $25,$27,$27 # 8 cycles from $27 load 618 619 ldq $6,40($17) 620 ldq $7,40($18) 621 ldq $21,40($19) 622 ldq $22,40($20) 623 624 stq $24,16($17) 625 xor $0,$1,$1 # 9 cycles from $1 load 626 xor $2,$3,$3 # 5 cycles from $3 load 627 xor $27,$1,$1 628 629 stq $1,24($17) 630 xor $4,$5,$5 # 5 cycles from $5 load 631 ldq $23,48($17) 632 xor $3,$5,$5 633 634 ldq $24,48($18) 635 ldq $25,48($19) 636 ldq $27,48($20) 637 ldq $0,56($17) 638 639 ldq $1,56($18) 640 ldq $2,56($19) 641 ldq $3,56($20) 642 xor $6,$7,$7 # 8 cycles from $6 load 643 644 ldq $31,256($17) 645 xor $21,$22,$22 # 8 cycles from $22 load 646 ldq $31,256($18) 647 xor $7,$22,$22 648 649 ldq $31,256($19) 650 xor $23,$24,$24 # 6 cycles from $24 load 651 ldq $31,256($20) 652 xor $25,$27,$27 # 6 cycles from $27 load 653 654 stq $5,32($17) 655 xor $24,$27,$27 656 xor $0,$1,$1 # 7 cycles from $1 load 657 xor $2,$3,$3 # 6 cycles from $3 load 658 659 stq $22,40($17) 660 xor $1,$3,$3 661 stq $27,48($17) 662 subq $16,1,$16 663 664 stq $3,56($17) 665 addq $20,64,$20 666 addq $19,64,$19 667 addq $18,64,$18 668 669 addq $17,64,$17 670 bgt $16,4b 671 ret 672 .end xor_alpha_prefetch_4 673 674 .align 3 675 .ent xor_alpha_prefetch_5 676 xor_alpha_prefetch_5: 677 .prologue 0 678 srl $16, 6, $16 679 680 ldq $31, 0($17) 681 ldq $31, 0($18) 682 ldq $31, 0($19) 683 ldq $31, 0($20) 684 ldq $31, 0($21) 685 686 ldq $31, 64($17) 687 ldq $31, 64($18) 688 ldq $31, 64($19) 689 ldq $31, 64($20) 690 ldq $31, 64($21) 691 692 ldq $31, 128($17) 693 ldq $31, 128($18) 694 ldq $31, 128($19) 695 ldq $31, 128($20) 696 ldq $31, 128($21) 697 698 ldq $31, 192($17) 699 ldq $31, 192($18) 700 ldq $31, 192($19) 701 ldq $31, 192($20) 702 ldq $31, 192($21) 703 .align 4 704 5: 705 ldq $0,0($17) 706 ldq $1,0($18) 707 ldq $2,0($19) 708 ldq $3,0($20) 709 710 ldq $4,0($21) 711 ldq $5,8($17) 712 ldq $6,8($18) 713 ldq $7,8($19) 714 715 ldq $22,8($20) 716 ldq $23,8($21) 717 ldq $24,16($17) 718 ldq $25,16($18) 719 720 ldq $27,16($19) 721 xor $0,$1,$1 # 6 cycles from $1 load 722 ldq $28,16($20) 723 xor $2,$3,$3 # 6 cycles from $3 load 724 725 ldq $0,16($21) 726 xor $1,$3,$3 727 ldq $1,24($17) 728 xor $3,$4,$4 # 7 cycles from $4 load 729 730 stq $4,0($17) 731 xor $5,$6,$6 # 7 cycles from $6 load 732 xor $7,$22,$22 # 7 cycles from $22 load 733 xor $6,$23,$23 # 7 cycles from $23 load 734 735 ldq $2,24($18) 736 xor $22,$23,$23 737 ldq $3,24($19) 738 xor $24,$25,$25 # 8 cycles from $25 load 739 740 stq $23,8($17) 741 xor $25,$27,$27 # 8 cycles from $27 load 742 ldq $4,24($20) 743 xor $28,$0,$0 # 7 cycles from $0 load 744 745 ldq $5,24($21) 746 xor $27,$0,$0 747 ldq $6,32($17) 748 ldq $7,32($18) 749 750 stq $0,16($17) 751 xor $1,$2,$2 # 6 cycles from $2 load 752 ldq $22,32($19) 753 xor $3,$4,$4 # 4 cycles from $4 load 754 755 ldq $23,32($20) 756 xor $2,$4,$4 757 ldq $24,32($21) 758 ldq $25,40($17) 759 760 ldq $27,40($18) 761 ldq $28,40($19) 762 ldq $0,40($20) 763 xor $4,$5,$5 # 7 cycles from $5 load 764 765 stq $5,24($17) 766 xor $6,$7,$7 # 7 cycles from $7 load 767 ldq $1,40($21) 768 ldq $2,48($17) 769 770 ldq $3,48($18) 771 xor $7,$22,$22 # 7 cycles from $22 load 772 ldq $4,48($19) 773 xor $23,$24,$24 # 6 cycles from $24 load 774 775 ldq $5,48($20) 776 xor $22,$24,$24 777 ldq $6,48($21) 778 xor $25,$27,$27 # 7 cycles from $27 load 779 780 stq $24,32($17) 781 xor $27,$28,$28 # 8 cycles from $28 load 782 ldq $7,56($17) 783 xor $0,$1,$1 # 6 cycles from $1 load 784 785 ldq $22,56($18) 786 ldq $23,56($19) 787 ldq $24,56($20) 788 ldq $25,56($21) 789 790 ldq $31,256($17) 791 xor $28,$1,$1 792 ldq $31,256($18) 793 xor $2,$3,$3 # 9 cycles from $3 load 794 795 ldq $31,256($19) 796 xor $3,$4,$4 # 9 cycles from $4 load 797 ldq $31,256($20) 798 xor $5,$6,$6 # 8 cycles from $6 load 799 800 stq $1,40($17) 801 xor $4,$6,$6 802 xor $7,$22,$22 # 7 cycles from $22 load 803 xor $23,$24,$24 # 6 cycles from $24 load 804 805 stq $6,48($17) 806 xor $22,$24,$24 807 ldq $31,256($21) 808 xor $24,$25,$25 # 8 cycles from $25 load 809 810 stq $25,56($17) 811 subq $16,1,$16 812 addq $21,64,$21 813 addq $20,64,$20 814 815 addq $19,64,$19 816 addq $18,64,$18 817 addq $17,64,$17 818 bgt $16,5b 819 820 ret 821 .end xor_alpha_prefetch_5 822 "); 823 824 static struct xor_block_template xor_block_alpha = { 825 name: "alpha", 826 do_2: xor_alpha_2, 827 do_3: xor_alpha_3, 828 do_4: xor_alpha_4, 829 do_5: xor_alpha_5, 830 }; 831 832 static struct xor_block_template xor_block_alpha_prefetch = { 833 name: "alpha prefetch", 834 do_2: xor_alpha_prefetch_2, 835 do_3: xor_alpha_prefetch_3, 836 do_4: xor_alpha_prefetch_4, 837 do_5: xor_alpha_prefetch_5, 838 }; 839 840 /* For grins, also test the generic routines. */ 841 #include <asm-generic/xor.h> 842 843 #undef XOR_TRY_TEMPLATES 844 #define XOR_TRY_TEMPLATES \ 845 do { \ 846 xor_speed(&xor_block_8regs); \ 847 xor_speed(&xor_block_32regs); \ 848 xor_speed(&xor_block_alpha); \ 849 xor_speed(&xor_block_alpha_prefetch); \ 850 } while (0) 851 852 /* Force the use of alpha_prefetch if EV6, as it is significantly 853 faster in the cold cache case. */ 854 #define XOR_SELECT_TEMPLATE(FASTEST) \ 855 (implver() == IMPLVER_EV6 ? &xor_block_alpha_prefetch : FASTEST)
Cache object: 53dac27b5dd744f43c9f566ee5bcc15c
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