Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | .rdata |
| 2 | .asciiz "mips3.s, Version 1.1" |
| 3 | .asciiz "MIPS III/IV ISA artwork by Andy Polyakov <appro@fy.chalmers.se>" |
| 4 | |
| 5 | /* |
| 6 | * ==================================================================== |
| 7 | * Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL |
| 8 | * project. |
| 9 | * |
| 10 | * Rights for redistribution and usage in source and binary forms are |
| 11 | * granted according to the OpenSSL license. Warranty of any kind is |
| 12 | * disclaimed. |
| 13 | * ==================================================================== |
| 14 | */ |
| 15 | |
| 16 | /* |
| 17 | * This is my modest contributon to the OpenSSL project (see |
| 18 | * http://www.openssl.org/ for more information about it) and is |
| 19 | * a drop-in MIPS III/IV ISA replacement for crypto/bn/bn_asm.c |
| 20 | * module. For updates see http://fy.chalmers.se/~appro/hpe/. |
| 21 | * |
| 22 | * The module is designed to work with either of the "new" MIPS ABI(5), |
| 23 | * namely N32 or N64, offered by IRIX 6.x. It's not ment to work under |
| 24 | * IRIX 5.x not only because it doesn't support new ABIs but also |
| 25 | * because 5.x kernels put R4x00 CPU into 32-bit mode and all those |
| 26 | * 64-bit instructions (daddu, dmultu, etc.) found below gonna only |
| 27 | * cause illegal instruction exception:-( |
| 28 | * |
| 29 | * In addition the code depends on preprocessor flags set up by MIPSpro |
| 30 | * compiler driver (either as or cc) and therefore (probably?) can't be |
| 31 | * compiled by the GNU assembler. GNU C driver manages fine though... |
| 32 | * I mean as long as -mmips-as is specified or is the default option, |
| 33 | * because then it simply invokes /usr/bin/as which in turn takes |
| 34 | * perfect care of the preprocessor definitions. Another neat feature |
| 35 | * offered by the MIPSpro assembler is an optimization pass. This gave |
| 36 | * me the opportunity to have the code looking more regular as all those |
| 37 | * architecture dependent instruction rescheduling details were left to |
| 38 | * the assembler. Cool, huh? |
| 39 | * |
| 40 | * Performance improvement is astonishing! 'apps/openssl speed rsa dsa' |
| 41 | * goes way over 3 times faster! |
| 42 | * |
| 43 | * <appro@fy.chalmers.se> |
| 44 | */ |
| 45 | #include <asm.h> |
| 46 | #include <regdef.h> |
| 47 | |
| 48 | #if _MIPS_ISA>=4 |
| 49 | #define MOVNZ(cond,dst,src) \ |
| 50 | movn dst,src,cond |
| 51 | #else |
| 52 | #define MOVNZ(cond,dst,src) \ |
| 53 | .set noreorder; \ |
| 54 | bnezl cond,.+8; \ |
| 55 | move dst,src; \ |
| 56 | .set reorder |
| 57 | #endif |
| 58 | |
| 59 | .text |
| 60 | |
| 61 | .set noat |
| 62 | .set reorder |
| 63 | |
| 64 | #define MINUS4 v1 |
| 65 | |
| 66 | .align 5 |
| 67 | LEAF(bn_mul_add_words) |
| 68 | .set noreorder |
| 69 | bgtzl a2,.L_bn_mul_add_words_proceed |
| 70 | ld t0,0(a1) |
| 71 | jr ra |
| 72 | move v0,zero |
| 73 | .set reorder |
| 74 | |
| 75 | .L_bn_mul_add_words_proceed: |
| 76 | li MINUS4,-4 |
| 77 | and ta0,a2,MINUS4 |
| 78 | move v0,zero |
| 79 | beqz ta0,.L_bn_mul_add_words_tail |
| 80 | |
| 81 | .L_bn_mul_add_words_loop: |
| 82 | dmultu t0,a3 |
| 83 | ld t1,0(a0) |
| 84 | ld t2,8(a1) |
| 85 | ld t3,8(a0) |
| 86 | ld ta0,16(a1) |
| 87 | ld ta1,16(a0) |
| 88 | daddu t1,v0 |
| 89 | sltu v0,t1,v0 /* All manuals say it "compares 32-bit |
| 90 | * values", but it seems to work fine |
| 91 | * even on 64-bit registers. */ |
| 92 | mflo AT |
| 93 | mfhi t0 |
| 94 | daddu t1,AT |
| 95 | daddu v0,t0 |
| 96 | sltu AT,t1,AT |
| 97 | sd t1,0(a0) |
| 98 | daddu v0,AT |
| 99 | |
| 100 | dmultu t2,a3 |
| 101 | ld ta2,24(a1) |
| 102 | ld ta3,24(a0) |
| 103 | daddu t3,v0 |
| 104 | sltu v0,t3,v0 |
| 105 | mflo AT |
| 106 | mfhi t2 |
| 107 | daddu t3,AT |
| 108 | daddu v0,t2 |
| 109 | sltu AT,t3,AT |
| 110 | sd t3,8(a0) |
| 111 | daddu v0,AT |
| 112 | |
| 113 | dmultu ta0,a3 |
| 114 | subu a2,4 |
| 115 | PTR_ADD a0,32 |
| 116 | PTR_ADD a1,32 |
| 117 | daddu ta1,v0 |
| 118 | sltu v0,ta1,v0 |
| 119 | mflo AT |
| 120 | mfhi ta0 |
| 121 | daddu ta1,AT |
| 122 | daddu v0,ta0 |
| 123 | sltu AT,ta1,AT |
| 124 | sd ta1,-16(a0) |
| 125 | daddu v0,AT |
| 126 | |
| 127 | |
| 128 | dmultu ta2,a3 |
| 129 | and ta0,a2,MINUS4 |
| 130 | daddu ta3,v0 |
| 131 | sltu v0,ta3,v0 |
| 132 | mflo AT |
| 133 | mfhi ta2 |
| 134 | daddu ta3,AT |
| 135 | daddu v0,ta2 |
| 136 | sltu AT,ta3,AT |
| 137 | sd ta3,-8(a0) |
| 138 | daddu v0,AT |
| 139 | .set noreorder |
| 140 | bgtzl ta0,.L_bn_mul_add_words_loop |
| 141 | ld t0,0(a1) |
| 142 | |
| 143 | bnezl a2,.L_bn_mul_add_words_tail |
| 144 | ld t0,0(a1) |
| 145 | .set reorder |
| 146 | |
| 147 | .L_bn_mul_add_words_return: |
| 148 | jr ra |
| 149 | |
| 150 | .L_bn_mul_add_words_tail: |
| 151 | dmultu t0,a3 |
| 152 | ld t1,0(a0) |
| 153 | subu a2,1 |
| 154 | daddu t1,v0 |
| 155 | sltu v0,t1,v0 |
| 156 | mflo AT |
| 157 | mfhi t0 |
| 158 | daddu t1,AT |
| 159 | daddu v0,t0 |
| 160 | sltu AT,t1,AT |
| 161 | sd t1,0(a0) |
| 162 | daddu v0,AT |
| 163 | beqz a2,.L_bn_mul_add_words_return |
| 164 | |
| 165 | ld t0,8(a1) |
| 166 | dmultu t0,a3 |
| 167 | ld t1,8(a0) |
| 168 | subu a2,1 |
| 169 | daddu t1,v0 |
| 170 | sltu v0,t1,v0 |
| 171 | mflo AT |
| 172 | mfhi t0 |
| 173 | daddu t1,AT |
| 174 | daddu v0,t0 |
| 175 | sltu AT,t1,AT |
| 176 | sd t1,8(a0) |
| 177 | daddu v0,AT |
| 178 | beqz a2,.L_bn_mul_add_words_return |
| 179 | |
| 180 | ld t0,16(a1) |
| 181 | dmultu t0,a3 |
| 182 | ld t1,16(a0) |
| 183 | daddu t1,v0 |
| 184 | sltu v0,t1,v0 |
| 185 | mflo AT |
| 186 | mfhi t0 |
| 187 | daddu t1,AT |
| 188 | daddu v0,t0 |
| 189 | sltu AT,t1,AT |
| 190 | sd t1,16(a0) |
| 191 | daddu v0,AT |
| 192 | jr ra |
| 193 | END(bn_mul_add_words) |
| 194 | |
| 195 | .align 5 |
| 196 | LEAF(bn_mul_words) |
| 197 | .set noreorder |
| 198 | bgtzl a2,.L_bn_mul_words_proceed |
| 199 | ld t0,0(a1) |
| 200 | jr ra |
| 201 | move v0,zero |
| 202 | .set reorder |
| 203 | |
| 204 | .L_bn_mul_words_proceed: |
| 205 | li MINUS4,-4 |
| 206 | and ta0,a2,MINUS4 |
| 207 | move v0,zero |
| 208 | beqz ta0,.L_bn_mul_words_tail |
| 209 | |
| 210 | .L_bn_mul_words_loop: |
| 211 | dmultu t0,a3 |
| 212 | ld t2,8(a1) |
| 213 | ld ta0,16(a1) |
| 214 | ld ta2,24(a1) |
| 215 | mflo AT |
| 216 | mfhi t0 |
| 217 | daddu v0,AT |
| 218 | sltu t1,v0,AT |
| 219 | sd v0,0(a0) |
| 220 | daddu v0,t1,t0 |
| 221 | |
| 222 | dmultu t2,a3 |
| 223 | subu a2,4 |
| 224 | PTR_ADD a0,32 |
| 225 | PTR_ADD a1,32 |
| 226 | mflo AT |
| 227 | mfhi t2 |
| 228 | daddu v0,AT |
| 229 | sltu t3,v0,AT |
| 230 | sd v0,-24(a0) |
| 231 | daddu v0,t3,t2 |
| 232 | |
| 233 | dmultu ta0,a3 |
| 234 | mflo AT |
| 235 | mfhi ta0 |
| 236 | daddu v0,AT |
| 237 | sltu ta1,v0,AT |
| 238 | sd v0,-16(a0) |
| 239 | daddu v0,ta1,ta0 |
| 240 | |
| 241 | |
| 242 | dmultu ta2,a3 |
| 243 | and ta0,a2,MINUS4 |
| 244 | mflo AT |
| 245 | mfhi ta2 |
| 246 | daddu v0,AT |
| 247 | sltu ta3,v0,AT |
| 248 | sd v0,-8(a0) |
| 249 | daddu v0,ta3,ta2 |
| 250 | .set noreorder |
| 251 | bgtzl ta0,.L_bn_mul_words_loop |
| 252 | ld t0,0(a1) |
| 253 | |
| 254 | bnezl a2,.L_bn_mul_words_tail |
| 255 | ld t0,0(a1) |
| 256 | .set reorder |
| 257 | |
| 258 | .L_bn_mul_words_return: |
| 259 | jr ra |
| 260 | |
| 261 | .L_bn_mul_words_tail: |
| 262 | dmultu t0,a3 |
| 263 | subu a2,1 |
| 264 | mflo AT |
| 265 | mfhi t0 |
| 266 | daddu v0,AT |
| 267 | sltu t1,v0,AT |
| 268 | sd v0,0(a0) |
| 269 | daddu v0,t1,t0 |
| 270 | beqz a2,.L_bn_mul_words_return |
| 271 | |
| 272 | ld t0,8(a1) |
| 273 | dmultu t0,a3 |
| 274 | subu a2,1 |
| 275 | mflo AT |
| 276 | mfhi t0 |
| 277 | daddu v0,AT |
| 278 | sltu t1,v0,AT |
| 279 | sd v0,8(a0) |
| 280 | daddu v0,t1,t0 |
| 281 | beqz a2,.L_bn_mul_words_return |
| 282 | |
| 283 | ld t0,16(a1) |
| 284 | dmultu t0,a3 |
| 285 | mflo AT |
| 286 | mfhi t0 |
| 287 | daddu v0,AT |
| 288 | sltu t1,v0,AT |
| 289 | sd v0,16(a0) |
| 290 | daddu v0,t1,t0 |
| 291 | jr ra |
| 292 | END(bn_mul_words) |
| 293 | |
| 294 | .align 5 |
| 295 | LEAF(bn_sqr_words) |
| 296 | .set noreorder |
| 297 | bgtzl a2,.L_bn_sqr_words_proceed |
| 298 | ld t0,0(a1) |
| 299 | jr ra |
| 300 | move v0,zero |
| 301 | .set reorder |
| 302 | |
| 303 | .L_bn_sqr_words_proceed: |
| 304 | li MINUS4,-4 |
| 305 | and ta0,a2,MINUS4 |
| 306 | move v0,zero |
| 307 | beqz ta0,.L_bn_sqr_words_tail |
| 308 | |
| 309 | .L_bn_sqr_words_loop: |
| 310 | dmultu t0,t0 |
| 311 | ld t2,8(a1) |
| 312 | ld ta0,16(a1) |
| 313 | ld ta2,24(a1) |
| 314 | mflo t1 |
| 315 | mfhi t0 |
| 316 | sd t1,0(a0) |
| 317 | sd t0,8(a0) |
| 318 | |
| 319 | dmultu t2,t2 |
| 320 | subu a2,4 |
| 321 | PTR_ADD a0,64 |
| 322 | PTR_ADD a1,32 |
| 323 | mflo t3 |
| 324 | mfhi t2 |
| 325 | sd t3,-48(a0) |
| 326 | sd t2,-40(a0) |
| 327 | |
| 328 | dmultu ta0,ta0 |
| 329 | mflo ta1 |
| 330 | mfhi ta0 |
| 331 | sd ta1,-32(a0) |
| 332 | sd ta0,-24(a0) |
| 333 | |
| 334 | |
| 335 | dmultu ta2,ta2 |
| 336 | and ta0,a2,MINUS4 |
| 337 | mflo ta3 |
| 338 | mfhi ta2 |
| 339 | sd ta3,-16(a0) |
| 340 | sd ta2,-8(a0) |
| 341 | |
| 342 | .set noreorder |
| 343 | bgtzl ta0,.L_bn_sqr_words_loop |
| 344 | ld t0,0(a1) |
| 345 | |
| 346 | bnezl a2,.L_bn_sqr_words_tail |
| 347 | ld t0,0(a1) |
| 348 | .set reorder |
| 349 | |
| 350 | .L_bn_sqr_words_return: |
| 351 | move v0,zero |
| 352 | jr ra |
| 353 | |
| 354 | .L_bn_sqr_words_tail: |
| 355 | dmultu t0,t0 |
| 356 | subu a2,1 |
| 357 | mflo t1 |
| 358 | mfhi t0 |
| 359 | sd t1,0(a0) |
| 360 | sd t0,8(a0) |
| 361 | beqz a2,.L_bn_sqr_words_return |
| 362 | |
| 363 | ld t0,8(a1) |
| 364 | dmultu t0,t0 |
| 365 | subu a2,1 |
| 366 | mflo t1 |
| 367 | mfhi t0 |
| 368 | sd t1,16(a0) |
| 369 | sd t0,24(a0) |
| 370 | beqz a2,.L_bn_sqr_words_return |
| 371 | |
| 372 | ld t0,16(a1) |
| 373 | dmultu t0,t0 |
| 374 | mflo t1 |
| 375 | mfhi t0 |
| 376 | sd t1,32(a0) |
| 377 | sd t0,40(a0) |
| 378 | jr ra |
| 379 | END(bn_sqr_words) |
| 380 | |
| 381 | .align 5 |
| 382 | LEAF(bn_add_words) |
| 383 | .set noreorder |
| 384 | bgtzl a3,.L_bn_add_words_proceed |
| 385 | ld t0,0(a1) |
| 386 | jr ra |
| 387 | move v0,zero |
| 388 | .set reorder |
| 389 | |
| 390 | .L_bn_add_words_proceed: |
| 391 | li MINUS4,-4 |
| 392 | and AT,a3,MINUS4 |
| 393 | move v0,zero |
| 394 | beqz AT,.L_bn_add_words_tail |
| 395 | |
| 396 | .L_bn_add_words_loop: |
| 397 | ld ta0,0(a2) |
| 398 | subu a3,4 |
| 399 | ld t1,8(a1) |
| 400 | and AT,a3,MINUS4 |
| 401 | ld t2,16(a1) |
| 402 | PTR_ADD a2,32 |
| 403 | ld t3,24(a1) |
| 404 | PTR_ADD a0,32 |
| 405 | ld ta1,-24(a2) |
| 406 | PTR_ADD a1,32 |
| 407 | ld ta2,-16(a2) |
| 408 | ld ta3,-8(a2) |
| 409 | daddu ta0,t0 |
| 410 | sltu t8,ta0,t0 |
| 411 | daddu t0,ta0,v0 |
| 412 | sltu v0,t0,ta0 |
| 413 | sd t0,-32(a0) |
| 414 | daddu v0,t8 |
| 415 | |
| 416 | daddu ta1,t1 |
| 417 | sltu t9,ta1,t1 |
| 418 | daddu t1,ta1,v0 |
| 419 | sltu v0,t1,ta1 |
| 420 | sd t1,-24(a0) |
| 421 | daddu v0,t9 |
| 422 | |
| 423 | daddu ta2,t2 |
| 424 | sltu t8,ta2,t2 |
| 425 | daddu t2,ta2,v0 |
| 426 | sltu v0,t2,ta2 |
| 427 | sd t2,-16(a0) |
| 428 | daddu v0,t8 |
| 429 | |
| 430 | daddu ta3,t3 |
| 431 | sltu t9,ta3,t3 |
| 432 | daddu t3,ta3,v0 |
| 433 | sltu v0,t3,ta3 |
| 434 | sd t3,-8(a0) |
| 435 | daddu v0,t9 |
| 436 | |
| 437 | .set noreorder |
| 438 | bgtzl AT,.L_bn_add_words_loop |
| 439 | ld t0,0(a1) |
| 440 | |
| 441 | bnezl a3,.L_bn_add_words_tail |
| 442 | ld t0,0(a1) |
| 443 | .set reorder |
| 444 | |
| 445 | .L_bn_add_words_return: |
| 446 | jr ra |
| 447 | |
| 448 | .L_bn_add_words_tail: |
| 449 | ld ta0,0(a2) |
| 450 | daddu ta0,t0 |
| 451 | subu a3,1 |
| 452 | sltu t8,ta0,t0 |
| 453 | daddu t0,ta0,v0 |
| 454 | sltu v0,t0,ta0 |
| 455 | sd t0,0(a0) |
| 456 | daddu v0,t8 |
| 457 | beqz a3,.L_bn_add_words_return |
| 458 | |
| 459 | ld t1,8(a1) |
| 460 | ld ta1,8(a2) |
| 461 | daddu ta1,t1 |
| 462 | subu a3,1 |
| 463 | sltu t9,ta1,t1 |
| 464 | daddu t1,ta1,v0 |
| 465 | sltu v0,t1,ta1 |
| 466 | sd t1,8(a0) |
| 467 | daddu v0,t9 |
| 468 | beqz a3,.L_bn_add_words_return |
| 469 | |
| 470 | ld t2,16(a1) |
| 471 | ld ta2,16(a2) |
| 472 | daddu ta2,t2 |
| 473 | sltu t8,ta2,t2 |
| 474 | daddu t2,ta2,v0 |
| 475 | sltu v0,t2,ta2 |
| 476 | sd t2,16(a0) |
| 477 | daddu v0,t8 |
| 478 | jr ra |
| 479 | END(bn_add_words) |
| 480 | |
| 481 | .align 5 |
| 482 | LEAF(bn_sub_words) |
| 483 | .set noreorder |
| 484 | bgtzl a3,.L_bn_sub_words_proceed |
| 485 | ld t0,0(a1) |
| 486 | jr ra |
| 487 | move v0,zero |
| 488 | .set reorder |
| 489 | |
| 490 | .L_bn_sub_words_proceed: |
| 491 | li MINUS4,-4 |
| 492 | and AT,a3,MINUS4 |
| 493 | move v0,zero |
| 494 | beqz AT,.L_bn_sub_words_tail |
| 495 | |
| 496 | .L_bn_sub_words_loop: |
| 497 | ld ta0,0(a2) |
| 498 | subu a3,4 |
| 499 | ld t1,8(a1) |
| 500 | and AT,a3,MINUS4 |
| 501 | ld t2,16(a1) |
| 502 | PTR_ADD a2,32 |
| 503 | ld t3,24(a1) |
| 504 | PTR_ADD a0,32 |
| 505 | ld ta1,-24(a2) |
| 506 | PTR_ADD a1,32 |
| 507 | ld ta2,-16(a2) |
| 508 | ld ta3,-8(a2) |
| 509 | sltu t8,t0,ta0 |
| 510 | dsubu t0,ta0 |
| 511 | dsubu ta0,t0,v0 |
| 512 | sd ta0,-32(a0) |
| 513 | MOVNZ (t0,v0,t8) |
| 514 | |
| 515 | sltu t9,t1,ta1 |
| 516 | dsubu t1,ta1 |
| 517 | dsubu ta1,t1,v0 |
| 518 | sd ta1,-24(a0) |
| 519 | MOVNZ (t1,v0,t9) |
| 520 | |
| 521 | |
| 522 | sltu t8,t2,ta2 |
| 523 | dsubu t2,ta2 |
| 524 | dsubu ta2,t2,v0 |
| 525 | sd ta2,-16(a0) |
| 526 | MOVNZ (t2,v0,t8) |
| 527 | |
| 528 | sltu t9,t3,ta3 |
| 529 | dsubu t3,ta3 |
| 530 | dsubu ta3,t3,v0 |
| 531 | sd ta3,-8(a0) |
| 532 | MOVNZ (t3,v0,t9) |
| 533 | |
| 534 | .set noreorder |
| 535 | bgtzl AT,.L_bn_sub_words_loop |
| 536 | ld t0,0(a1) |
| 537 | |
| 538 | bnezl a3,.L_bn_sub_words_tail |
| 539 | ld t0,0(a1) |
| 540 | .set reorder |
| 541 | |
| 542 | .L_bn_sub_words_return: |
| 543 | jr ra |
| 544 | |
| 545 | .L_bn_sub_words_tail: |
| 546 | ld ta0,0(a2) |
| 547 | subu a3,1 |
| 548 | sltu t8,t0,ta0 |
| 549 | dsubu t0,ta0 |
| 550 | dsubu ta0,t0,v0 |
| 551 | MOVNZ (t0,v0,t8) |
| 552 | sd ta0,0(a0) |
| 553 | beqz a3,.L_bn_sub_words_return |
| 554 | |
| 555 | ld t1,8(a1) |
| 556 | subu a3,1 |
| 557 | ld ta1,8(a2) |
| 558 | sltu t9,t1,ta1 |
| 559 | dsubu t1,ta1 |
| 560 | dsubu ta1,t1,v0 |
| 561 | MOVNZ (t1,v0,t9) |
| 562 | sd ta1,8(a0) |
| 563 | beqz a3,.L_bn_sub_words_return |
| 564 | |
| 565 | ld t2,16(a1) |
| 566 | ld ta2,16(a2) |
| 567 | sltu t8,t2,ta2 |
| 568 | dsubu t2,ta2 |
| 569 | dsubu ta2,t2,v0 |
| 570 | MOVNZ (t2,v0,t8) |
| 571 | sd ta2,16(a0) |
| 572 | jr ra |
| 573 | END(bn_sub_words) |
| 574 | |
| 575 | #undef MINUS4 |
| 576 | |
| 577 | .align 5 |
| 578 | LEAF(bn_div_3_words) |
| 579 | .set reorder |
| 580 | move a3,a0 /* we know that bn_div_words doesn't |
| 581 | * touch a3, ta2, ta3 and preserves a2 |
| 582 | * so that we can save two arguments |
| 583 | * and return address in registers |
| 584 | * instead of stack:-) |
| 585 | */ |
| 586 | ld a0,(a3) |
| 587 | move ta2,a1 |
| 588 | ld a1,-8(a3) |
| 589 | bne a0,a2,.L_bn_div_3_words_proceed |
| 590 | li v0,-1 |
| 591 | jr ra |
| 592 | .L_bn_div_3_words_proceed: |
| 593 | move ta3,ra |
| 594 | bal bn_div_words |
| 595 | move ra,ta3 |
| 596 | dmultu ta2,v0 |
| 597 | ld t2,-16(a3) |
| 598 | move ta0,zero |
| 599 | mfhi t1 |
| 600 | mflo t0 |
| 601 | sltu t8,t1,v1 |
| 602 | .L_bn_div_3_words_inner_loop: |
| 603 | bnez t8,.L_bn_div_3_words_inner_loop_done |
| 604 | sgeu AT,t2,t0 |
| 605 | seq t9,t1,v1 |
| 606 | and AT,t9 |
| 607 | sltu t3,t0,ta2 |
| 608 | daddu v1,a2 |
| 609 | dsubu t1,t3 |
| 610 | dsubu t0,ta2 |
| 611 | sltu t8,t1,v1 |
| 612 | sltu ta0,v1,a2 |
| 613 | or t8,ta0 |
| 614 | .set noreorder |
| 615 | beqzl AT,.L_bn_div_3_words_inner_loop |
| 616 | dsubu v0,1 |
| 617 | .set reorder |
| 618 | .L_bn_div_3_words_inner_loop_done: |
| 619 | jr ra |
| 620 | END(bn_div_3_words) |
| 621 | |
| 622 | .align 5 |
| 623 | LEAF(bn_div_words) |
| 624 | .set noreorder |
| 625 | bnezl a2,.L_bn_div_words_proceed |
| 626 | move v1,zero |
| 627 | jr ra |
| 628 | li v0,-1 /* I'd rather signal div-by-zero |
| 629 | * which can be done with 'break 7' */ |
| 630 | |
| 631 | .L_bn_div_words_proceed: |
| 632 | bltz a2,.L_bn_div_words_body |
| 633 | move t9,v1 |
| 634 | dsll a2,1 |
| 635 | bgtz a2,.-4 |
| 636 | addu t9,1 |
| 637 | |
| 638 | .set reorder |
| 639 | negu t1,t9 |
| 640 | li t2,-1 |
| 641 | dsll t2,t1 |
| 642 | and t2,a0 |
| 643 | dsrl AT,a1,t1 |
| 644 | .set noreorder |
| 645 | bnezl t2,.+8 |
| 646 | break 6 /* signal overflow */ |
| 647 | .set reorder |
| 648 | dsll a0,t9 |
| 649 | dsll a1,t9 |
| 650 | or a0,AT |
| 651 | |
| 652 | #define QT ta0 |
| 653 | #define HH ta1 |
| 654 | #define DH v1 |
| 655 | .L_bn_div_words_body: |
| 656 | dsrl DH,a2,32 |
| 657 | sgeu AT,a0,a2 |
| 658 | .set noreorder |
| 659 | bnezl AT,.+8 |
| 660 | dsubu a0,a2 |
| 661 | .set reorder |
| 662 | |
| 663 | li QT,-1 |
| 664 | dsrl HH,a0,32 |
| 665 | dsrl QT,32 /* q=0xffffffff */ |
| 666 | beq DH,HH,.L_bn_div_words_skip_div1 |
| 667 | ddivu zero,a0,DH |
| 668 | mflo QT |
| 669 | .L_bn_div_words_skip_div1: |
| 670 | dmultu a2,QT |
| 671 | dsll t3,a0,32 |
| 672 | dsrl AT,a1,32 |
| 673 | or t3,AT |
| 674 | mflo t0 |
| 675 | mfhi t1 |
| 676 | .L_bn_div_words_inner_loop1: |
| 677 | sltu t2,t3,t0 |
| 678 | seq t8,HH,t1 |
| 679 | sltu AT,HH,t1 |
| 680 | and t2,t8 |
| 681 | sltu v0,t0,a2 |
| 682 | or AT,t2 |
| 683 | .set noreorder |
| 684 | beqz AT,.L_bn_div_words_inner_loop1_done |
| 685 | dsubu t1,v0 |
| 686 | dsubu t0,a2 |
| 687 | b .L_bn_div_words_inner_loop1 |
| 688 | dsubu QT,1 |
| 689 | .set reorder |
| 690 | .L_bn_div_words_inner_loop1_done: |
| 691 | |
| 692 | dsll a1,32 |
| 693 | dsubu a0,t3,t0 |
| 694 | dsll v0,QT,32 |
| 695 | |
| 696 | li QT,-1 |
| 697 | dsrl HH,a0,32 |
| 698 | dsrl QT,32 /* q=0xffffffff */ |
| 699 | beq DH,HH,.L_bn_div_words_skip_div2 |
| 700 | ddivu zero,a0,DH |
| 701 | mflo QT |
| 702 | .L_bn_div_words_skip_div2: |
| 703 | #undef DH |
| 704 | dmultu a2,QT |
| 705 | dsll t3,a0,32 |
| 706 | dsrl AT,a1,32 |
| 707 | or t3,AT |
| 708 | mflo t0 |
| 709 | mfhi t1 |
| 710 | .L_bn_div_words_inner_loop2: |
| 711 | sltu t2,t3,t0 |
| 712 | seq t8,HH,t1 |
| 713 | sltu AT,HH,t1 |
| 714 | and t2,t8 |
| 715 | sltu v1,t0,a2 |
| 716 | or AT,t2 |
| 717 | .set noreorder |
| 718 | beqz AT,.L_bn_div_words_inner_loop2_done |
| 719 | dsubu t1,v1 |
| 720 | dsubu t0,a2 |
| 721 | b .L_bn_div_words_inner_loop2 |
| 722 | dsubu QT,1 |
| 723 | .set reorder |
| 724 | .L_bn_div_words_inner_loop2_done: |
| 725 | #undef HH |
| 726 | |
| 727 | dsubu a0,t3,t0 |
| 728 | or v0,QT |
| 729 | dsrl v1,a0,t9 /* v1 contains remainder if anybody wants it */ |
| 730 | dsrl a2,t9 /* restore a2 */ |
| 731 | jr ra |
| 732 | #undef QT |
| 733 | END(bn_div_words) |
| 734 | |
| 735 | #define a_0 t0 |
| 736 | #define a_1 t1 |
| 737 | #define a_2 t2 |
| 738 | #define a_3 t3 |
| 739 | #define b_0 ta0 |
| 740 | #define b_1 ta1 |
| 741 | #define b_2 ta2 |
| 742 | #define b_3 ta3 |
| 743 | |
| 744 | #define a_4 s0 |
| 745 | #define a_5 s2 |
| 746 | #define a_6 s4 |
| 747 | #define a_7 a1 /* once we load a[7] we don't need a anymore */ |
| 748 | #define b_4 s1 |
| 749 | #define b_5 s3 |
| 750 | #define b_6 s5 |
| 751 | #define b_7 a2 /* once we load b[7] we don't need b anymore */ |
| 752 | |
| 753 | #define t_1 t8 |
| 754 | #define t_2 t9 |
| 755 | |
| 756 | #define c_1 v0 |
| 757 | #define c_2 v1 |
| 758 | #define c_3 a3 |
| 759 | |
| 760 | #define FRAME_SIZE 48 |
| 761 | |
| 762 | .align 5 |
| 763 | LEAF(bn_mul_comba8) |
| 764 | .set noreorder |
| 765 | PTR_SUB sp,FRAME_SIZE |
| 766 | .frame sp,64,ra |
| 767 | .set reorder |
| 768 | ld a_0,0(a1) /* If compiled with -mips3 option on |
| 769 | * R5000 box assembler barks on this |
| 770 | * line with "shouldn't have mult/div |
| 771 | * as last instruction in bb (R10K |
| 772 | * bug)" warning. If anybody out there |
| 773 | * has a clue about how to circumvent |
| 774 | * this do send me a note. |
| 775 | * <appro@fy.chalmers.se> |
| 776 | */ |
| 777 | ld b_0,0(a2) |
| 778 | ld a_1,8(a1) |
| 779 | ld a_2,16(a1) |
| 780 | ld a_3,24(a1) |
| 781 | ld b_1,8(a2) |
| 782 | ld b_2,16(a2) |
| 783 | ld b_3,24(a2) |
| 784 | dmultu a_0,b_0 /* mul_add_c(a[0],b[0],c1,c2,c3); */ |
| 785 | sd s0,0(sp) |
| 786 | sd s1,8(sp) |
| 787 | sd s2,16(sp) |
| 788 | sd s3,24(sp) |
| 789 | sd s4,32(sp) |
| 790 | sd s5,40(sp) |
| 791 | mflo c_1 |
| 792 | mfhi c_2 |
| 793 | |
| 794 | dmultu a_0,b_1 /* mul_add_c(a[0],b[1],c2,c3,c1); */ |
| 795 | ld a_4,32(a1) |
| 796 | ld a_5,40(a1) |
| 797 | ld a_6,48(a1) |
| 798 | ld a_7,56(a1) |
| 799 | ld b_4,32(a2) |
| 800 | ld b_5,40(a2) |
| 801 | mflo t_1 |
| 802 | mfhi t_2 |
| 803 | daddu c_2,t_1 |
| 804 | sltu AT,c_2,t_1 |
| 805 | daddu c_3,t_2,AT |
| 806 | dmultu a_1,b_0 /* mul_add_c(a[1],b[0],c2,c3,c1); */ |
| 807 | ld b_6,48(a2) |
| 808 | ld b_7,56(a2) |
| 809 | sd c_1,0(a0) /* r[0]=c1; */ |
| 810 | mflo t_1 |
| 811 | mfhi t_2 |
| 812 | daddu c_2,t_1 |
| 813 | sltu AT,c_2,t_1 |
| 814 | daddu t_2,AT |
| 815 | daddu c_3,t_2 |
| 816 | sltu c_1,c_3,t_2 |
| 817 | sd c_2,8(a0) /* r[1]=c2; */ |
| 818 | |
| 819 | dmultu a_2,b_0 /* mul_add_c(a[2],b[0],c3,c1,c2); */ |
| 820 | mflo t_1 |
| 821 | mfhi t_2 |
| 822 | daddu c_3,t_1 |
| 823 | sltu AT,c_3,t_1 |
| 824 | daddu t_2,AT |
| 825 | daddu c_1,t_2 |
| 826 | dmultu a_1,b_1 /* mul_add_c(a[1],b[1],c3,c1,c2); */ |
| 827 | mflo t_1 |
| 828 | mfhi t_2 |
| 829 | daddu c_3,t_1 |
| 830 | sltu AT,c_3,t_1 |
| 831 | daddu t_2,AT |
| 832 | daddu c_1,t_2 |
| 833 | sltu c_2,c_1,t_2 |
| 834 | dmultu a_0,b_2 /* mul_add_c(a[0],b[2],c3,c1,c2); */ |
| 835 | mflo t_1 |
| 836 | mfhi t_2 |
| 837 | daddu c_3,t_1 |
| 838 | sltu AT,c_3,t_1 |
| 839 | daddu t_2,AT |
| 840 | daddu c_1,t_2 |
| 841 | sltu AT,c_1,t_2 |
| 842 | daddu c_2,AT |
| 843 | sd c_3,16(a0) /* r[2]=c3; */ |
| 844 | |
| 845 | dmultu a_0,b_3 /* mul_add_c(a[0],b[3],c1,c2,c3); */ |
| 846 | mflo t_1 |
| 847 | mfhi t_2 |
| 848 | daddu c_1,t_1 |
| 849 | sltu AT,c_1,t_1 |
| 850 | daddu t_2,AT |
| 851 | daddu c_2,t_2 |
| 852 | sltu c_3,c_2,t_2 |
| 853 | dmultu a_1,b_2 /* mul_add_c(a[1],b[2],c1,c2,c3); */ |
| 854 | mflo t_1 |
| 855 | mfhi t_2 |
| 856 | daddu c_1,t_1 |
| 857 | sltu AT,c_1,t_1 |
| 858 | daddu t_2,AT |
| 859 | daddu c_2,t_2 |
| 860 | sltu AT,c_2,t_2 |
| 861 | daddu c_3,AT |
| 862 | dmultu a_2,b_1 /* mul_add_c(a[2],b[1],c1,c2,c3); */ |
| 863 | mflo t_1 |
| 864 | mfhi t_2 |
| 865 | daddu c_1,t_1 |
| 866 | sltu AT,c_1,t_1 |
| 867 | daddu t_2,AT |
| 868 | daddu c_2,t_2 |
| 869 | sltu AT,c_2,t_2 |
| 870 | daddu c_3,AT |
| 871 | dmultu a_3,b_0 /* mul_add_c(a[3],b[0],c1,c2,c3); */ |
| 872 | mflo t_1 |
| 873 | mfhi t_2 |
| 874 | daddu c_1,t_1 |
| 875 | sltu AT,c_1,t_1 |
| 876 | daddu t_2,AT |
| 877 | daddu c_2,t_2 |
| 878 | sltu AT,c_2,t_2 |
| 879 | daddu c_3,AT |
| 880 | sd c_1,24(a0) /* r[3]=c1; */ |
| 881 | |
| 882 | dmultu a_4,b_0 /* mul_add_c(a[4],b[0],c2,c3,c1); */ |
| 883 | mflo t_1 |
| 884 | mfhi t_2 |
| 885 | daddu c_2,t_1 |
| 886 | sltu AT,c_2,t_1 |
| 887 | daddu t_2,AT |
| 888 | daddu c_3,t_2 |
| 889 | sltu c_1,c_3,t_2 |
| 890 | dmultu a_3,b_1 /* mul_add_c(a[3],b[1],c2,c3,c1); */ |
| 891 | mflo t_1 |
| 892 | mfhi t_2 |
| 893 | daddu c_2,t_1 |
| 894 | sltu AT,c_2,t_1 |
| 895 | daddu t_2,AT |
| 896 | daddu c_3,t_2 |
| 897 | sltu AT,c_3,t_2 |
| 898 | daddu c_1,AT |
| 899 | dmultu a_2,b_2 /* mul_add_c(a[2],b[2],c2,c3,c1); */ |
| 900 | mflo t_1 |
| 901 | mfhi t_2 |
| 902 | daddu c_2,t_1 |
| 903 | sltu AT,c_2,t_1 |
| 904 | daddu t_2,AT |
| 905 | daddu c_3,t_2 |
| 906 | sltu AT,c_3,t_2 |
| 907 | daddu c_1,AT |
| 908 | dmultu a_1,b_3 /* mul_add_c(a[1],b[3],c2,c3,c1); */ |
| 909 | mflo t_1 |
| 910 | mfhi t_2 |
| 911 | daddu c_2,t_1 |
| 912 | sltu AT,c_2,t_1 |
| 913 | daddu t_2,AT |
| 914 | daddu c_3,t_2 |
| 915 | sltu AT,c_3,t_2 |
| 916 | daddu c_1,AT |
| 917 | dmultu a_0,b_4 /* mul_add_c(a[0],b[4],c2,c3,c1); */ |
| 918 | mflo t_1 |
| 919 | mfhi t_2 |
| 920 | daddu c_2,t_1 |
| 921 | sltu AT,c_2,t_1 |
| 922 | daddu t_2,AT |
| 923 | daddu c_3,t_2 |
| 924 | sltu AT,c_3,t_2 |
| 925 | daddu c_1,AT |
| 926 | sd c_2,32(a0) /* r[4]=c2; */ |
| 927 | |
| 928 | dmultu a_0,b_5 /* mul_add_c(a[0],b[5],c3,c1,c2); */ |
| 929 | mflo t_1 |
| 930 | mfhi t_2 |
| 931 | daddu c_3,t_1 |
| 932 | sltu AT,c_3,t_1 |
| 933 | daddu t_2,AT |
| 934 | daddu c_1,t_2 |
| 935 | sltu c_2,c_1,t_2 |
| 936 | dmultu a_1,b_4 /* mul_add_c(a[1],b[4],c3,c1,c2); */ |
| 937 | mflo t_1 |
| 938 | mfhi t_2 |
| 939 | daddu c_3,t_1 |
| 940 | sltu AT,c_3,t_1 |
| 941 | daddu t_2,AT |
| 942 | daddu c_1,t_2 |
| 943 | sltu AT,c_1,t_2 |
| 944 | daddu c_2,AT |
| 945 | dmultu a_2,b_3 /* mul_add_c(a[2],b[3],c3,c1,c2); */ |
| 946 | mflo t_1 |
| 947 | mfhi t_2 |
| 948 | daddu c_3,t_1 |
| 949 | sltu AT,c_3,t_1 |
| 950 | daddu t_2,AT |
| 951 | daddu c_1,t_2 |
| 952 | sltu AT,c_1,t_2 |
| 953 | daddu c_2,AT |
| 954 | dmultu a_3,b_2 /* mul_add_c(a[3],b[2],c3,c1,c2); */ |
| 955 | mflo t_1 |
| 956 | mfhi t_2 |
| 957 | daddu c_3,t_1 |
| 958 | sltu AT,c_3,t_1 |
| 959 | daddu t_2,AT |
| 960 | daddu c_1,t_2 |
| 961 | sltu AT,c_1,t_2 |
| 962 | daddu c_2,AT |
| 963 | dmultu a_4,b_1 /* mul_add_c(a[4],b[1],c3,c1,c2); */ |
| 964 | mflo t_1 |
| 965 | mfhi t_2 |
| 966 | daddu c_3,t_1 |
| 967 | sltu AT,c_3,t_1 |
| 968 | daddu t_2,AT |
| 969 | daddu c_1,t_2 |
| 970 | sltu AT,c_1,t_2 |
| 971 | daddu c_2,AT |
| 972 | dmultu a_5,b_0 /* mul_add_c(a[5],b[0],c3,c1,c2); */ |
| 973 | mflo t_1 |
| 974 | mfhi t_2 |
| 975 | daddu c_3,t_1 |
| 976 | sltu AT,c_3,t_1 |
| 977 | daddu t_2,AT |
| 978 | daddu c_1,t_2 |
| 979 | sltu AT,c_1,t_2 |
| 980 | daddu c_2,AT |
| 981 | sd c_3,40(a0) /* r[5]=c3; */ |
| 982 | |
| 983 | dmultu a_6,b_0 /* mul_add_c(a[6],b[0],c1,c2,c3); */ |
| 984 | mflo t_1 |
| 985 | mfhi t_2 |
| 986 | daddu c_1,t_1 |
| 987 | sltu AT,c_1,t_1 |
| 988 | daddu t_2,AT |
| 989 | daddu c_2,t_2 |
| 990 | sltu c_3,c_2,t_2 |
| 991 | dmultu a_5,b_1 /* mul_add_c(a[5],b[1],c1,c2,c3); */ |
| 992 | mflo t_1 |
| 993 | mfhi t_2 |
| 994 | daddu c_1,t_1 |
| 995 | sltu AT,c_1,t_1 |
| 996 | daddu t_2,AT |
| 997 | daddu c_2,t_2 |
| 998 | sltu AT,c_2,t_2 |
| 999 | daddu c_3,AT |
| 1000 | dmultu a_4,b_2 /* mul_add_c(a[4],b[2],c1,c2,c3); */ |
| 1001 | mflo t_1 |
| 1002 | mfhi t_2 |
| 1003 | daddu c_1,t_1 |
| 1004 | sltu AT,c_1,t_1 |
| 1005 | daddu t_2,AT |
| 1006 | daddu c_2,t_2 |
| 1007 | sltu AT,c_2,t_2 |
| 1008 | daddu c_3,AT |
| 1009 | dmultu a_3,b_3 /* mul_add_c(a[3],b[3],c1,c2,c3); */ |
| 1010 | mflo t_1 |
| 1011 | mfhi t_2 |
| 1012 | daddu c_1,t_1 |
| 1013 | sltu AT,c_1,t_1 |
| 1014 | daddu t_2,AT |
| 1015 | daddu c_2,t_2 |
| 1016 | sltu AT,c_2,t_2 |
| 1017 | daddu c_3,AT |
| 1018 | dmultu a_2,b_4 /* mul_add_c(a[2],b[4],c1,c2,c3); */ |
| 1019 | mflo t_1 |
| 1020 | mfhi t_2 |
| 1021 | daddu c_1,t_1 |
| 1022 | sltu AT,c_1,t_1 |
| 1023 | daddu t_2,AT |
| 1024 | daddu c_2,t_2 |
| 1025 | sltu AT,c_2,t_2 |
| 1026 | daddu c_3,AT |
| 1027 | dmultu a_1,b_5 /* mul_add_c(a[1],b[5],c1,c2,c3); */ |
| 1028 | mflo t_1 |
| 1029 | mfhi t_2 |
| 1030 | daddu c_1,t_1 |
| 1031 | sltu AT,c_1,t_1 |
| 1032 | daddu t_2,AT |
| 1033 | daddu c_2,t_2 |
| 1034 | sltu AT,c_2,t_2 |
| 1035 | daddu c_3,AT |
| 1036 | dmultu a_0,b_6 /* mul_add_c(a[0],b[6],c1,c2,c3); */ |
| 1037 | mflo t_1 |
| 1038 | mfhi t_2 |
| 1039 | daddu c_1,t_1 |
| 1040 | sltu AT,c_1,t_1 |
| 1041 | daddu t_2,AT |
| 1042 | daddu c_2,t_2 |
| 1043 | sltu AT,c_2,t_2 |
| 1044 | daddu c_3,AT |
| 1045 | sd c_1,48(a0) /* r[6]=c1; */ |
| 1046 | |
| 1047 | dmultu a_0,b_7 /* mul_add_c(a[0],b[7],c2,c3,c1); */ |
| 1048 | mflo t_1 |
| 1049 | mfhi t_2 |
| 1050 | daddu c_2,t_1 |
| 1051 | sltu AT,c_2,t_1 |
| 1052 | daddu t_2,AT |
| 1053 | daddu c_3,t_2 |
| 1054 | sltu c_1,c_3,t_2 |
| 1055 | dmultu a_1,b_6 /* mul_add_c(a[1],b[6],c2,c3,c1); */ |
| 1056 | mflo t_1 |
| 1057 | mfhi t_2 |
| 1058 | daddu c_2,t_1 |
| 1059 | sltu AT,c_2,t_1 |
| 1060 | daddu t_2,AT |
| 1061 | daddu c_3,t_2 |
| 1062 | sltu AT,c_3,t_2 |
| 1063 | daddu c_1,AT |
| 1064 | dmultu a_2,b_5 /* mul_add_c(a[2],b[5],c2,c3,c1); */ |
| 1065 | mflo t_1 |
| 1066 | mfhi t_2 |
| 1067 | daddu c_2,t_1 |
| 1068 | sltu AT,c_2,t_1 |
| 1069 | daddu t_2,AT |
| 1070 | daddu c_3,t_2 |
| 1071 | sltu AT,c_3,t_2 |
| 1072 | daddu c_1,AT |
| 1073 | dmultu a_3,b_4 /* mul_add_c(a[3],b[4],c2,c3,c1); */ |
| 1074 | mflo t_1 |
| 1075 | mfhi t_2 |
| 1076 | daddu c_2,t_1 |
| 1077 | sltu AT,c_2,t_1 |
| 1078 | daddu t_2,AT |
| 1079 | daddu c_3,t_2 |
| 1080 | sltu AT,c_3,t_2 |
| 1081 | daddu c_1,AT |
| 1082 | dmultu a_4,b_3 /* mul_add_c(a[4],b[3],c2,c3,c1); */ |
| 1083 | mflo t_1 |
| 1084 | mfhi t_2 |
| 1085 | daddu c_2,t_1 |
| 1086 | sltu AT,c_2,t_1 |
| 1087 | daddu t_2,AT |
| 1088 | daddu c_3,t_2 |
| 1089 | sltu AT,c_3,t_2 |
| 1090 | daddu c_1,AT |
| 1091 | dmultu a_5,b_2 /* mul_add_c(a[5],b[2],c2,c3,c1); */ |
| 1092 | mflo t_1 |
| 1093 | mfhi t_2 |
| 1094 | daddu c_2,t_1 |
| 1095 | sltu AT,c_2,t_1 |
| 1096 | daddu t_2,AT |
| 1097 | daddu c_3,t_2 |
| 1098 | sltu AT,c_3,t_2 |
| 1099 | daddu c_1,AT |
| 1100 | dmultu a_6,b_1 /* mul_add_c(a[6],b[1],c2,c3,c1); */ |
| 1101 | mflo t_1 |
| 1102 | mfhi t_2 |
| 1103 | daddu c_2,t_1 |
| 1104 | sltu AT,c_2,t_1 |
| 1105 | daddu t_2,AT |
| 1106 | daddu c_3,t_2 |
| 1107 | sltu AT,c_3,t_2 |
| 1108 | daddu c_1,AT |
| 1109 | dmultu a_7,b_0 /* mul_add_c(a[7],b[0],c2,c3,c1); */ |
| 1110 | mflo t_1 |
| 1111 | mfhi t_2 |
| 1112 | daddu c_2,t_1 |
| 1113 | sltu AT,c_2,t_1 |
| 1114 | daddu t_2,AT |
| 1115 | daddu c_3,t_2 |
| 1116 | sltu AT,c_3,t_2 |
| 1117 | daddu c_1,AT |
| 1118 | sd c_2,56(a0) /* r[7]=c2; */ |
| 1119 | |
| 1120 | dmultu a_7,b_1 /* mul_add_c(a[7],b[1],c3,c1,c2); */ |
| 1121 | mflo t_1 |
| 1122 | mfhi t_2 |
| 1123 | daddu c_3,t_1 |
| 1124 | sltu AT,c_3,t_1 |
| 1125 | daddu t_2,AT |
| 1126 | daddu c_1,t_2 |
| 1127 | sltu c_2,c_1,t_2 |
| 1128 | dmultu a_6,b_2 /* mul_add_c(a[6],b[2],c3,c1,c2); */ |
| 1129 | mflo t_1 |
| 1130 | mfhi t_2 |
| 1131 | daddu c_3,t_1 |
| 1132 | sltu AT,c_3,t_1 |
| 1133 | daddu t_2,AT |
| 1134 | daddu c_1,t_2 |
| 1135 | sltu AT,c_1,t_2 |
| 1136 | daddu c_2,AT |
| 1137 | dmultu a_5,b_3 /* mul_add_c(a[5],b[3],c3,c1,c2); */ |
| 1138 | mflo t_1 |
| 1139 | mfhi t_2 |
| 1140 | daddu c_3,t_1 |
| 1141 | sltu AT,c_3,t_1 |
| 1142 | daddu t_2,AT |
| 1143 | daddu c_1,t_2 |
| 1144 | sltu AT,c_1,t_2 |
| 1145 | daddu c_2,AT |
| 1146 | dmultu a_4,b_4 /* mul_add_c(a[4],b[4],c3,c1,c2); */ |
| 1147 | mflo t_1 |
| 1148 | mfhi t_2 |
| 1149 | daddu c_3,t_1 |
| 1150 | sltu AT,c_3,t_1 |
| 1151 | daddu t_2,AT |
| 1152 | daddu c_1,t_2 |
| 1153 | sltu AT,c_1,t_2 |
| 1154 | daddu c_2,AT |
| 1155 | dmultu a_3,b_5 /* mul_add_c(a[3],b[5],c3,c1,c2); */ |
| 1156 | mflo t_1 |
| 1157 | mfhi t_2 |
| 1158 | daddu c_3,t_1 |
| 1159 | sltu AT,c_3,t_1 |
| 1160 | daddu t_2,AT |
| 1161 | daddu c_1,t_2 |
| 1162 | sltu AT,c_1,t_2 |
| 1163 | daddu c_2,AT |
| 1164 | dmultu a_2,b_6 /* mul_add_c(a[2],b[6],c3,c1,c2); */ |
| 1165 | mflo t_1 |
| 1166 | mfhi t_2 |
| 1167 | daddu c_3,t_1 |
| 1168 | sltu AT,c_3,t_1 |
| 1169 | daddu t_2,AT |
| 1170 | daddu c_1,t_2 |
| 1171 | sltu AT,c_1,t_2 |
| 1172 | daddu c_2,AT |
| 1173 | dmultu a_1,b_7 /* mul_add_c(a[1],b[7],c3,c1,c2); */ |
| 1174 | mflo t_1 |
| 1175 | mfhi t_2 |
| 1176 | daddu c_3,t_1 |
| 1177 | sltu AT,c_3,t_1 |
| 1178 | daddu t_2,AT |
| 1179 | daddu c_1,t_2 |
| 1180 | sltu AT,c_1,t_2 |
| 1181 | daddu c_2,AT |
| 1182 | sd c_3,64(a0) /* r[8]=c3; */ |
| 1183 | |
| 1184 | dmultu a_2,b_7 /* mul_add_c(a[2],b[7],c1,c2,c3); */ |
| 1185 | mflo t_1 |
| 1186 | mfhi t_2 |
| 1187 | daddu c_1,t_1 |
| 1188 | sltu AT,c_1,t_1 |
| 1189 | daddu t_2,AT |
| 1190 | daddu c_2,t_2 |
| 1191 | sltu c_3,c_2,t_2 |
| 1192 | dmultu a_3,b_6 /* mul_add_c(a[3],b[6],c1,c2,c3); */ |
| 1193 | mflo t_1 |
| 1194 | mfhi t_2 |
| 1195 | daddu c_1,t_1 |
| 1196 | sltu AT,c_1,t_1 |
| 1197 | daddu t_2,AT |
| 1198 | daddu c_2,t_2 |
| 1199 | sltu AT,c_2,t_2 |
| 1200 | daddu c_3,AT |
| 1201 | dmultu a_4,b_5 /* mul_add_c(a[4],b[5],c1,c2,c3); */ |
| 1202 | mflo t_1 |
| 1203 | mfhi t_2 |
| 1204 | daddu c_1,t_1 |
| 1205 | sltu AT,c_1,t_1 |
| 1206 | daddu t_2,AT |
| 1207 | daddu c_2,t_2 |
| 1208 | sltu AT,c_2,t_2 |
| 1209 | daddu c_3,AT |
| 1210 | dmultu a_5,b_4 /* mul_add_c(a[5],b[4],c1,c2,c3); */ |
| 1211 | mflo t_1 |
| 1212 | mfhi t_2 |
| 1213 | daddu c_1,t_1 |
| 1214 | sltu AT,c_1,t_1 |
| 1215 | daddu t_2,AT |
| 1216 | daddu c_2,t_2 |
| 1217 | sltu AT,c_2,t_2 |
| 1218 | daddu c_3,AT |
| 1219 | dmultu a_6,b_3 /* mul_add_c(a[6],b[3],c1,c2,c3); */ |
| 1220 | mflo t_1 |
| 1221 | mfhi t_2 |
| 1222 | daddu c_1,t_1 |
| 1223 | sltu AT,c_1,t_1 |
| 1224 | daddu t_2,AT |
| 1225 | daddu c_2,t_2 |
| 1226 | sltu AT,c_2,t_2 |
| 1227 | daddu c_3,AT |
| 1228 | dmultu a_7,b_2 /* mul_add_c(a[7],b[2],c1,c2,c3); */ |
| 1229 | mflo t_1 |
| 1230 | mfhi t_2 |
| 1231 | daddu c_1,t_1 |
| 1232 | sltu AT,c_1,t_1 |
| 1233 | daddu t_2,AT |
| 1234 | daddu c_2,t_2 |
| 1235 | sltu AT,c_2,t_2 |
| 1236 | daddu c_3,AT |
| 1237 | sd c_1,72(a0) /* r[9]=c1; */ |
| 1238 | |
| 1239 | dmultu a_7,b_3 /* mul_add_c(a[7],b[3],c2,c3,c1); */ |
| 1240 | mflo t_1 |
| 1241 | mfhi t_2 |
| 1242 | daddu c_2,t_1 |
| 1243 | sltu AT,c_2,t_1 |
| 1244 | daddu t_2,AT |
| 1245 | daddu c_3,t_2 |
| 1246 | sltu c_1,c_3,t_2 |
| 1247 | dmultu a_6,b_4 /* mul_add_c(a[6],b[4],c2,c3,c1); */ |
| 1248 | mflo t_1 |
| 1249 | mfhi t_2 |
| 1250 | daddu c_2,t_1 |
| 1251 | sltu AT,c_2,t_1 |
| 1252 | daddu t_2,AT |
| 1253 | daddu c_3,t_2 |
| 1254 | sltu AT,c_3,t_2 |
| 1255 | daddu c_1,AT |
| 1256 | dmultu a_5,b_5 /* mul_add_c(a[5],b[5],c2,c3,c1); */ |
| 1257 | mflo t_1 |
| 1258 | mfhi t_2 |
| 1259 | daddu c_2,t_1 |
| 1260 | sltu AT,c_2,t_1 |
| 1261 | daddu t_2,AT |
| 1262 | daddu c_3,t_2 |
| 1263 | sltu AT,c_3,t_2 |
| 1264 | daddu c_1,AT |
| 1265 | dmultu a_4,b_6 /* mul_add_c(a[4],b[6],c2,c3,c1); */ |
| 1266 | mflo t_1 |
| 1267 | mfhi t_2 |
| 1268 | daddu c_2,t_1 |
| 1269 | sltu AT,c_2,t_1 |
| 1270 | daddu t_2,AT |
| 1271 | daddu c_3,t_2 |
| 1272 | sltu AT,c_3,t_2 |
| 1273 | daddu c_1,AT |
| 1274 | dmultu a_3,b_7 /* mul_add_c(a[3],b[7],c2,c3,c1); */ |
| 1275 | mflo t_1 |
| 1276 | mfhi t_2 |
| 1277 | daddu c_2,t_1 |
| 1278 | sltu AT,c_2,t_1 |
| 1279 | daddu t_2,AT |
| 1280 | daddu c_3,t_2 |
| 1281 | sltu AT,c_3,t_2 |
| 1282 | daddu c_1,AT |
| 1283 | sd c_2,80(a0) /* r[10]=c2; */ |
| 1284 | |
| 1285 | dmultu a_4,b_7 /* mul_add_c(a[4],b[7],c3,c1,c2); */ |
| 1286 | mflo t_1 |
| 1287 | mfhi t_2 |
| 1288 | daddu c_3,t_1 |
| 1289 | sltu AT,c_3,t_1 |
| 1290 | daddu t_2,AT |
| 1291 | daddu c_1,t_2 |
| 1292 | sltu c_2,c_1,t_2 |
| 1293 | dmultu a_5,b_6 /* mul_add_c(a[5],b[6],c3,c1,c2); */ |
| 1294 | mflo t_1 |
| 1295 | mfhi t_2 |
| 1296 | daddu c_3,t_1 |
| 1297 | sltu AT,c_3,t_1 |
| 1298 | daddu t_2,AT |
| 1299 | daddu c_1,t_2 |
| 1300 | sltu AT,c_1,t_2 |
| 1301 | daddu c_2,AT |
| 1302 | dmultu a_6,b_5 /* mul_add_c(a[6],b[5],c3,c1,c2); */ |
| 1303 | mflo t_1 |
| 1304 | mfhi t_2 |
| 1305 | daddu c_3,t_1 |
| 1306 | sltu AT,c_3,t_1 |
| 1307 | daddu t_2,AT |
| 1308 | daddu c_1,t_2 |
| 1309 | sltu AT,c_1,t_2 |
| 1310 | daddu c_2,AT |
| 1311 | dmultu a_7,b_4 /* mul_add_c(a[7],b[4],c3,c1,c2); */ |
| 1312 | mflo t_1 |
| 1313 | mfhi t_2 |
| 1314 | daddu c_3,t_1 |
| 1315 | sltu AT,c_3,t_1 |
| 1316 | daddu t_2,AT |
| 1317 | daddu c_1,t_2 |
| 1318 | sltu AT,c_1,t_2 |
| 1319 | daddu c_2,AT |
| 1320 | sd c_3,88(a0) /* r[11]=c3; */ |
| 1321 | |
| 1322 | dmultu a_7,b_5 /* mul_add_c(a[7],b[5],c1,c2,c3); */ |
| 1323 | mflo t_1 |
| 1324 | mfhi t_2 |
| 1325 | daddu c_1,t_1 |
| 1326 | sltu AT,c_1,t_1 |
| 1327 | daddu t_2,AT |
| 1328 | daddu c_2,t_2 |
| 1329 | sltu c_3,c_2,t_2 |
| 1330 | dmultu a_6,b_6 /* mul_add_c(a[6],b[6],c1,c2,c3); */ |
| 1331 | mflo t_1 |
| 1332 | mfhi t_2 |
| 1333 | daddu c_1,t_1 |
| 1334 | sltu AT,c_1,t_1 |
| 1335 | daddu t_2,AT |
| 1336 | daddu c_2,t_2 |
| 1337 | sltu AT,c_2,t_2 |
| 1338 | daddu c_3,AT |
| 1339 | dmultu a_5,b_7 /* mul_add_c(a[5],b[7],c1,c2,c3); */ |
| 1340 | mflo t_1 |
| 1341 | mfhi t_2 |
| 1342 | daddu c_1,t_1 |
| 1343 | sltu AT,c_1,t_1 |
| 1344 | daddu t_2,AT |
| 1345 | daddu c_2,t_2 |
| 1346 | sltu AT,c_2,t_2 |
| 1347 | daddu c_3,AT |
| 1348 | sd c_1,96(a0) /* r[12]=c1; */ |
| 1349 | |
| 1350 | dmultu a_6,b_7 /* mul_add_c(a[6],b[7],c2,c3,c1); */ |
| 1351 | mflo t_1 |
| 1352 | mfhi t_2 |
| 1353 | daddu c_2,t_1 |
| 1354 | sltu AT,c_2,t_1 |
| 1355 | daddu t_2,AT |
| 1356 | daddu c_3,t_2 |
| 1357 | sltu c_1,c_3,t_2 |
| 1358 | dmultu a_7,b_6 /* mul_add_c(a[7],b[6],c2,c3,c1); */ |
| 1359 | mflo t_1 |
| 1360 | mfhi t_2 |
| 1361 | daddu c_2,t_1 |
| 1362 | sltu AT,c_2,t_1 |
| 1363 | daddu t_2,AT |
| 1364 | daddu c_3,t_2 |
| 1365 | sltu AT,c_3,t_2 |
| 1366 | daddu c_1,AT |
| 1367 | sd c_2,104(a0) /* r[13]=c2; */ |
| 1368 | |
| 1369 | dmultu a_7,b_7 /* mul_add_c(a[7],b[7],c3,c1,c2); */ |
| 1370 | ld s0,0(sp) |
| 1371 | ld s1,8(sp) |
| 1372 | ld s2,16(sp) |
| 1373 | ld s3,24(sp) |
| 1374 | ld s4,32(sp) |
| 1375 | ld s5,40(sp) |
| 1376 | mflo t_1 |
| 1377 | mfhi t_2 |
| 1378 | daddu c_3,t_1 |
| 1379 | sltu AT,c_3,t_1 |
| 1380 | daddu t_2,AT |
| 1381 | daddu c_1,t_2 |
| 1382 | sd c_3,112(a0) /* r[14]=c3; */ |
| 1383 | sd c_1,120(a0) /* r[15]=c1; */ |
| 1384 | |
| 1385 | PTR_ADD sp,FRAME_SIZE |
| 1386 | |
| 1387 | jr ra |
| 1388 | END(bn_mul_comba8) |
| 1389 | |
| 1390 | .align 5 |
| 1391 | LEAF(bn_mul_comba4) |
| 1392 | .set reorder |
| 1393 | ld a_0,0(a1) |
| 1394 | ld b_0,0(a2) |
| 1395 | ld a_1,8(a1) |
| 1396 | ld a_2,16(a1) |
| 1397 | dmultu a_0,b_0 /* mul_add_c(a[0],b[0],c1,c2,c3); */ |
| 1398 | ld a_3,24(a1) |
| 1399 | ld b_1,8(a2) |
| 1400 | ld b_2,16(a2) |
| 1401 | ld b_3,24(a2) |
| 1402 | mflo c_1 |
| 1403 | mfhi c_2 |
| 1404 | sd c_1,0(a0) |
| 1405 | |
| 1406 | dmultu a_0,b_1 /* mul_add_c(a[0],b[1],c2,c3,c1); */ |
| 1407 | mflo t_1 |
| 1408 | mfhi t_2 |
| 1409 | daddu c_2,t_1 |
| 1410 | sltu AT,c_2,t_1 |
| 1411 | daddu c_3,t_2,AT |
| 1412 | dmultu a_1,b_0 /* mul_add_c(a[1],b[0],c2,c3,c1); */ |
| 1413 | mflo t_1 |
| 1414 | mfhi t_2 |
| 1415 | daddu c_2,t_1 |
| 1416 | sltu AT,c_2,t_1 |
| 1417 | daddu t_2,AT |
| 1418 | daddu c_3,t_2 |
| 1419 | sltu c_1,c_3,t_2 |
| 1420 | sd c_2,8(a0) |
| 1421 | |
| 1422 | dmultu a_2,b_0 /* mul_add_c(a[2],b[0],c3,c1,c2); */ |
| 1423 | mflo t_1 |
| 1424 | mfhi t_2 |
| 1425 | daddu c_3,t_1 |
| 1426 | sltu AT,c_3,t_1 |
| 1427 | daddu t_2,AT |
| 1428 | daddu c_1,t_2 |
| 1429 | dmultu a_1,b_1 /* mul_add_c(a[1],b[1],c3,c1,c2); */ |
| 1430 | mflo t_1 |
| 1431 | mfhi t_2 |
| 1432 | daddu c_3,t_1 |
| 1433 | sltu AT,c_3,t_1 |
| 1434 | daddu t_2,AT |
| 1435 | daddu c_1,t_2 |
| 1436 | sltu c_2,c_1,t_2 |
| 1437 | dmultu a_0,b_2 /* mul_add_c(a[0],b[2],c3,c1,c2); */ |
| 1438 | mflo t_1 |
| 1439 | mfhi t_2 |
| 1440 | daddu c_3,t_1 |
| 1441 | sltu AT,c_3,t_1 |
| 1442 | daddu t_2,AT |
| 1443 | daddu c_1,t_2 |
| 1444 | sltu AT,c_1,t_2 |
| 1445 | daddu c_2,AT |
| 1446 | sd c_3,16(a0) |
| 1447 | |
| 1448 | dmultu a_0,b_3 /* mul_add_c(a[0],b[3],c1,c2,c3); */ |
| 1449 | mflo t_1 |
| 1450 | mfhi t_2 |
| 1451 | daddu c_1,t_1 |
| 1452 | sltu AT,c_1,t_1 |
| 1453 | daddu t_2,AT |
| 1454 | daddu c_2,t_2 |
| 1455 | sltu c_3,c_2,t_2 |
| 1456 | dmultu a_1,b_2 /* mul_add_c(a[1],b[2],c1,c2,c3); */ |
| 1457 | mflo t_1 |
| 1458 | mfhi t_2 |
| 1459 | daddu c_1,t_1 |
| 1460 | sltu AT,c_1,t_1 |
| 1461 | daddu t_2,AT |
| 1462 | daddu c_2,t_2 |
| 1463 | sltu AT,c_2,t_2 |
| 1464 | daddu c_3,AT |
| 1465 | dmultu a_2,b_1 /* mul_add_c(a[2],b[1],c1,c2,c3); */ |
| 1466 | mflo t_1 |
| 1467 | mfhi t_2 |
| 1468 | daddu c_1,t_1 |
| 1469 | sltu AT,c_1,t_1 |
| 1470 | daddu t_2,AT |
| 1471 | daddu c_2,t_2 |
| 1472 | sltu AT,c_2,t_2 |
| 1473 | daddu c_3,AT |
| 1474 | dmultu a_3,b_0 /* mul_add_c(a[3],b[0],c1,c2,c3); */ |
| 1475 | mflo t_1 |
| 1476 | mfhi t_2 |
| 1477 | daddu c_1,t_1 |
| 1478 | sltu AT,c_1,t_1 |
| 1479 | daddu t_2,AT |
| 1480 | daddu c_2,t_2 |
| 1481 | sltu AT,c_2,t_2 |
| 1482 | daddu c_3,AT |
| 1483 | sd c_1,24(a0) |
| 1484 | |
| 1485 | dmultu a_3,b_1 /* mul_add_c(a[3],b[1],c2,c3,c1); */ |
| 1486 | mflo t_1 |
| 1487 | mfhi t_2 |
| 1488 | daddu c_2,t_1 |
| 1489 | sltu AT,c_2,t_1 |
| 1490 | daddu t_2,AT |
| 1491 | daddu c_3,t_2 |
| 1492 | sltu c_1,c_3,t_2 |
| 1493 | dmultu a_2,b_2 /* mul_add_c(a[2],b[2],c2,c3,c1); */ |
| 1494 | mflo t_1 |
| 1495 | mfhi t_2 |
| 1496 | daddu c_2,t_1 |
| 1497 | sltu AT,c_2,t_1 |
| 1498 | daddu t_2,AT |
| 1499 | daddu c_3,t_2 |
| 1500 | sltu AT,c_3,t_2 |
| 1501 | daddu c_1,AT |
| 1502 | dmultu a_1,b_3 /* mul_add_c(a[1],b[3],c2,c3,c1); */ |
| 1503 | mflo t_1 |
| 1504 | mfhi t_2 |
| 1505 | daddu c_2,t_1 |
| 1506 | sltu AT,c_2,t_1 |
| 1507 | daddu t_2,AT |
| 1508 | daddu c_3,t_2 |
| 1509 | sltu AT,c_3,t_2 |
| 1510 | daddu c_1,AT |
| 1511 | sd c_2,32(a0) |
| 1512 | |
| 1513 | dmultu a_2,b_3 /* mul_add_c(a[2],b[3],c3,c1,c2); */ |
| 1514 | mflo t_1 |
| 1515 | mfhi t_2 |
| 1516 | daddu c_3,t_1 |
| 1517 | sltu AT,c_3,t_1 |
| 1518 | daddu t_2,AT |
| 1519 | daddu c_1,t_2 |
| 1520 | sltu c_2,c_1,t_2 |
| 1521 | dmultu a_3,b_2 /* mul_add_c(a[3],b[2],c3,c1,c2); */ |
| 1522 | mflo t_1 |
| 1523 | mfhi t_2 |
| 1524 | daddu c_3,t_1 |
| 1525 | sltu AT,c_3,t_1 |
| 1526 | daddu t_2,AT |
| 1527 | daddu c_1,t_2 |
| 1528 | sltu AT,c_1,t_2 |
| 1529 | daddu c_2,AT |
| 1530 | sd c_3,40(a0) |
| 1531 | |
| 1532 | dmultu a_3,b_3 /* mul_add_c(a[3],b[3],c1,c2,c3); */ |
| 1533 | mflo t_1 |
| 1534 | mfhi t_2 |
| 1535 | daddu c_1,t_1 |
| 1536 | sltu AT,c_1,t_1 |
| 1537 | daddu t_2,AT |
| 1538 | daddu c_2,t_2 |
| 1539 | sd c_1,48(a0) |
| 1540 | sd c_2,56(a0) |
| 1541 | |
| 1542 | jr ra |
| 1543 | END(bn_mul_comba4) |
| 1544 | |
| 1545 | #undef a_4 |
| 1546 | #undef a_5 |
| 1547 | #undef a_6 |
| 1548 | #undef a_7 |
| 1549 | #define a_4 b_0 |
| 1550 | #define a_5 b_1 |
| 1551 | #define a_6 b_2 |
| 1552 | #define a_7 b_3 |
| 1553 | |
| 1554 | .align 5 |
| 1555 | LEAF(bn_sqr_comba8) |
| 1556 | .set reorder |
| 1557 | ld a_0,0(a1) |
| 1558 | ld a_1,8(a1) |
| 1559 | ld a_2,16(a1) |
| 1560 | ld a_3,24(a1) |
| 1561 | |
| 1562 | dmultu a_0,a_0 /* mul_add_c(a[0],b[0],c1,c2,c3); */ |
| 1563 | ld a_4,32(a1) |
| 1564 | ld a_5,40(a1) |
| 1565 | ld a_6,48(a1) |
| 1566 | ld a_7,56(a1) |
| 1567 | mflo c_1 |
| 1568 | mfhi c_2 |
| 1569 | sd c_1,0(a0) |
| 1570 | |
| 1571 | dmultu a_0,a_1 /* mul_add_c2(a[0],b[1],c2,c3,c1); */ |
| 1572 | mflo t_1 |
| 1573 | mfhi t_2 |
| 1574 | slt c_1,t_2,zero |
| 1575 | dsll t_2,1 |
| 1576 | slt a2,t_1,zero |
| 1577 | daddu t_2,a2 |
| 1578 | dsll t_1,1 |
| 1579 | daddu c_2,t_1 |
| 1580 | sltu AT,c_2,t_1 |
| 1581 | daddu c_3,t_2,AT |
| 1582 | sd c_2,8(a0) |
| 1583 | |
| 1584 | dmultu a_2,a_0 /* mul_add_c2(a[2],b[0],c3,c1,c2); */ |
| 1585 | mflo t_1 |
| 1586 | mfhi t_2 |
| 1587 | slt c_2,t_2,zero |
| 1588 | dsll t_2,1 |
| 1589 | slt a2,t_1,zero |
| 1590 | daddu t_2,a2 |
| 1591 | dsll t_1,1 |
| 1592 | daddu c_3,t_1 |
| 1593 | sltu AT,c_3,t_1 |
| 1594 | daddu t_2,AT |
| 1595 | daddu c_1,t_2 |
| 1596 | sltu AT,c_1,t_2 |
| 1597 | daddu c_2,AT |
| 1598 | dmultu a_1,a_1 /* mul_add_c(a[1],b[1],c3,c1,c2); */ |
| 1599 | mflo t_1 |
| 1600 | mfhi t_2 |
| 1601 | daddu c_3,t_1 |
| 1602 | sltu AT,c_3,t_1 |
| 1603 | daddu t_2,AT |
| 1604 | daddu c_1,t_2 |
| 1605 | sltu AT,c_1,t_2 |
| 1606 | daddu c_2,AT |
| 1607 | sd c_3,16(a0) |
| 1608 | |
| 1609 | dmultu a_0,a_3 /* mul_add_c2(a[0],b[3],c1,c2,c3); */ |
| 1610 | mflo t_1 |
| 1611 | mfhi t_2 |
| 1612 | slt c_3,t_2,zero |
| 1613 | dsll t_2,1 |
| 1614 | slt a2,t_1,zero |
| 1615 | daddu t_2,a2 |
| 1616 | dsll t_1,1 |
| 1617 | daddu c_1,t_1 |
| 1618 | sltu AT,c_1,t_1 |
| 1619 | daddu t_2,AT |
| 1620 | daddu c_2,t_2 |
| 1621 | sltu AT,c_2,t_2 |
| 1622 | daddu c_3,AT |
| 1623 | dmultu a_1,a_2 /* mul_add_c2(a[1],b[2],c1,c2,c3); */ |
| 1624 | mflo t_1 |
| 1625 | mfhi t_2 |
| 1626 | slt AT,t_2,zero |
| 1627 | daddu c_3,AT |
| 1628 | dsll t_2,1 |
| 1629 | slt a2,t_1,zero |
| 1630 | daddu t_2,a2 |
| 1631 | dsll t_1,1 |
| 1632 | daddu c_1,t_1 |
| 1633 | sltu AT,c_1,t_1 |
| 1634 | daddu t_2,AT |
| 1635 | daddu c_2,t_2 |
| 1636 | sltu AT,c_2,t_2 |
| 1637 | daddu c_3,AT |
| 1638 | sd c_1,24(a0) |
| 1639 | |
| 1640 | dmultu a_4,a_0 /* mul_add_c2(a[4],b[0],c2,c3,c1); */ |
| 1641 | mflo t_1 |
| 1642 | mfhi t_2 |
| 1643 | slt c_1,t_2,zero |
| 1644 | dsll t_2,1 |
| 1645 | slt a2,t_1,zero |
| 1646 | daddu t_2,a2 |
| 1647 | dsll t_1,1 |
| 1648 | daddu c_2,t_1 |
| 1649 | sltu AT,c_2,t_1 |
| 1650 | daddu t_2,AT |
| 1651 | daddu c_3,t_2 |
| 1652 | sltu AT,c_3,t_2 |
| 1653 | daddu c_1,AT |
| 1654 | dmultu a_3,a_1 /* mul_add_c2(a[3],b[1],c2,c3,c1); */ |
| 1655 | mflo t_1 |
| 1656 | mfhi t_2 |
| 1657 | slt AT,t_2,zero |
| 1658 | daddu c_1,AT |
| 1659 | dsll t_2,1 |
| 1660 | slt a2,t_1,zero |
| 1661 | daddu t_2,a2 |
| 1662 | dsll t_1,1 |
| 1663 | daddu c_2,t_1 |
| 1664 | sltu AT,c_2,t_1 |
| 1665 | daddu t_2,AT |
| 1666 | daddu c_3,t_2 |
| 1667 | sltu AT,c_3,t_2 |
| 1668 | daddu c_1,AT |
| 1669 | dmultu a_2,a_2 /* mul_add_c(a[2],b[2],c2,c3,c1); */ |
| 1670 | mflo t_1 |
| 1671 | mfhi t_2 |
| 1672 | daddu c_2,t_1 |
| 1673 | sltu AT,c_2,t_1 |
| 1674 | daddu t_2,AT |
| 1675 | daddu c_3,t_2 |
| 1676 | sltu AT,c_3,t_2 |
| 1677 | daddu c_1,AT |
| 1678 | sd c_2,32(a0) |
| 1679 | |
| 1680 | dmultu a_0,a_5 /* mul_add_c2(a[0],b[5],c3,c1,c2); */ |
| 1681 | mflo t_1 |
| 1682 | mfhi t_2 |
| 1683 | slt c_2,t_2,zero |
| 1684 | dsll t_2,1 |
| 1685 | slt a2,t_1,zero |
| 1686 | daddu t_2,a2 |
| 1687 | dsll t_1,1 |
| 1688 | daddu c_3,t_1 |
| 1689 | sltu AT,c_3,t_1 |
| 1690 | daddu t_2,AT |
| 1691 | daddu c_1,t_2 |
| 1692 | sltu AT,c_1,t_2 |
| 1693 | daddu c_2,AT |
| 1694 | dmultu a_1,a_4 /* mul_add_c2(a[1],b[4],c3,c1,c2); */ |
| 1695 | mflo t_1 |
| 1696 | mfhi t_2 |
| 1697 | slt AT,t_2,zero |
| 1698 | daddu c_2,AT |
| 1699 | dsll t_2,1 |
| 1700 | slt a2,t_1,zero |
| 1701 | daddu t_2,a2 |
| 1702 | dsll t_1,1 |
| 1703 | daddu c_3,t_1 |
| 1704 | sltu AT,c_3,t_1 |
| 1705 | daddu t_2,AT |
| 1706 | daddu c_1,t_2 |
| 1707 | sltu AT,c_1,t_2 |
| 1708 | daddu c_2,AT |
| 1709 | dmultu a_2,a_3 /* mul_add_c2(a[2],b[3],c3,c1,c2); */ |
| 1710 | mflo t_1 |
| 1711 | mfhi t_2 |
| 1712 | slt AT,t_2,zero |
| 1713 | daddu c_2,AT |
| 1714 | dsll t_2,1 |
| 1715 | slt a2,t_1,zero |
| 1716 | daddu t_2,a2 |
| 1717 | dsll t_1,1 |
| 1718 | daddu c_3,t_1 |
| 1719 | sltu AT,c_3,t_1 |
| 1720 | daddu t_2,AT |
| 1721 | daddu c_1,t_2 |
| 1722 | sltu AT,c_1,t_2 |
| 1723 | daddu c_2,AT |
| 1724 | sd c_3,40(a0) |
| 1725 | |
| 1726 | dmultu a_6,a_0 /* mul_add_c2(a[6],b[0],c1,c2,c3); */ |
| 1727 | mflo t_1 |
| 1728 | mfhi t_2 |
| 1729 | slt c_3,t_2,zero |
| 1730 | dsll t_2,1 |
| 1731 | slt a2,t_1,zero |
| 1732 | daddu t_2,a2 |
| 1733 | dsll t_1,1 |
| 1734 | daddu c_1,t_1 |
| 1735 | sltu AT,c_1,t_1 |
| 1736 | daddu t_2,AT |
| 1737 | daddu c_2,t_2 |
| 1738 | sltu AT,c_2,t_2 |
| 1739 | daddu c_3,AT |
| 1740 | dmultu a_5,a_1 /* mul_add_c2(a[5],b[1],c1,c2,c3); */ |
| 1741 | mflo t_1 |
| 1742 | mfhi t_2 |
| 1743 | slt AT,t_2,zero |
| 1744 | daddu c_3,AT |
| 1745 | dsll t_2,1 |
| 1746 | slt a2,t_1,zero |
| 1747 | daddu t_2,a2 |
| 1748 | dsll t_1,1 |
| 1749 | daddu c_1,t_1 |
| 1750 | sltu AT,c_1,t_1 |
| 1751 | daddu t_2,AT |
| 1752 | daddu c_2,t_2 |
| 1753 | sltu AT,c_2,t_2 |
| 1754 | daddu c_3,AT |
| 1755 | dmultu a_4,a_2 /* mul_add_c2(a[4],b[2],c1,c2,c3); */ |
| 1756 | mflo t_1 |
| 1757 | mfhi t_2 |
| 1758 | slt AT,t_2,zero |
| 1759 | daddu c_3,AT |
| 1760 | dsll t_2,1 |
| 1761 | slt a2,t_1,zero |
| 1762 | daddu t_2,a2 |
| 1763 | dsll t_1,1 |
| 1764 | daddu c_1,t_1 |
| 1765 | sltu AT,c_1,t_1 |
| 1766 | daddu t_2,AT |
| 1767 | daddu c_2,t_2 |
| 1768 | sltu AT,c_2,t_2 |
| 1769 | daddu c_3,AT |
| 1770 | dmultu a_3,a_3 /* mul_add_c(a[3],b[3],c1,c2,c3); */ |
| 1771 | mflo t_1 |
| 1772 | mfhi t_2 |
| 1773 | daddu c_1,t_1 |
| 1774 | sltu AT,c_1,t_1 |
| 1775 | daddu t_2,AT |
| 1776 | daddu c_2,t_2 |
| 1777 | sltu AT,c_2,t_2 |
| 1778 | daddu c_3,AT |
| 1779 | sd c_1,48(a0) |
| 1780 | |
| 1781 | dmultu a_0,a_7 /* mul_add_c2(a[0],b[7],c2,c3,c1); */ |
| 1782 | mflo t_1 |
| 1783 | mfhi t_2 |
| 1784 | slt c_1,t_2,zero |
| 1785 | dsll t_2,1 |
| 1786 | slt a2,t_1,zero |
| 1787 | daddu t_2,a2 |
| 1788 | dsll t_1,1 |
| 1789 | daddu c_2,t_1 |
| 1790 | sltu AT,c_2,t_1 |
| 1791 | daddu t_2,AT |
| 1792 | daddu c_3,t_2 |
| 1793 | sltu AT,c_3,t_2 |
| 1794 | daddu c_1,AT |
| 1795 | dmultu a_1,a_6 /* mul_add_c2(a[1],b[6],c2,c3,c1); */ |
| 1796 | mflo t_1 |
| 1797 | mfhi t_2 |
| 1798 | slt AT,t_2,zero |
| 1799 | daddu c_1,AT |
| 1800 | dsll t_2,1 |
| 1801 | slt a2,t_1,zero |
| 1802 | daddu t_2,a2 |
| 1803 | dsll t_1,1 |
| 1804 | daddu c_2,t_1 |
| 1805 | sltu AT,c_2,t_1 |
| 1806 | daddu t_2,AT |
| 1807 | daddu c_3,t_2 |
| 1808 | sltu AT,c_3,t_2 |
| 1809 | daddu c_1,AT |
| 1810 | dmultu a_2,a_5 /* mul_add_c2(a[2],b[5],c2,c3,c1); */ |
| 1811 | mflo t_1 |
| 1812 | mfhi t_2 |
| 1813 | slt AT,t_2,zero |
| 1814 | daddu c_1,AT |
| 1815 | dsll t_2,1 |
| 1816 | slt a2,t_1,zero |
| 1817 | daddu t_2,a2 |
| 1818 | dsll t_1,1 |
| 1819 | daddu c_2,t_1 |
| 1820 | sltu AT,c_2,t_1 |
| 1821 | daddu t_2,AT |
| 1822 | daddu c_3,t_2 |
| 1823 | sltu AT,c_3,t_2 |
| 1824 | daddu c_1,AT |
| 1825 | dmultu a_3,a_4 /* mul_add_c2(a[3],b[4],c2,c3,c1); */ |
| 1826 | mflo t_1 |
| 1827 | mfhi t_2 |
| 1828 | slt AT,t_2,zero |
| 1829 | daddu c_1,AT |
| 1830 | dsll t_2,1 |
| 1831 | slt a2,t_1,zero |
| 1832 | daddu t_2,a2 |
| 1833 | dsll t_1,1 |
| 1834 | daddu c_2,t_1 |
| 1835 | sltu AT,c_2,t_1 |
| 1836 | daddu t_2,AT |
| 1837 | daddu c_3,t_2 |
| 1838 | sltu AT,c_3,t_2 |
| 1839 | daddu c_1,AT |
| 1840 | sd c_2,56(a0) |
| 1841 | |
| 1842 | dmultu a_7,a_1 /* mul_add_c2(a[7],b[1],c3,c1,c2); */ |
| 1843 | mflo t_1 |
| 1844 | mfhi t_2 |
| 1845 | slt c_2,t_2,zero |
| 1846 | dsll t_2,1 |
| 1847 | slt a2,t_1,zero |
| 1848 | daddu t_2,a2 |
| 1849 | dsll t_1,1 |
| 1850 | daddu c_3,t_1 |
| 1851 | sltu AT,c_3,t_1 |
| 1852 | daddu t_2,AT |
| 1853 | daddu c_1,t_2 |
| 1854 | sltu AT,c_1,t_2 |
| 1855 | daddu c_2,AT |
| 1856 | dmultu a_6,a_2 /* mul_add_c2(a[6],b[2],c3,c1,c2); */ |
| 1857 | mflo t_1 |
| 1858 | mfhi t_2 |
| 1859 | slt AT,t_2,zero |
| 1860 | daddu c_2,AT |
| 1861 | dsll t_2,1 |
| 1862 | slt a2,t_1,zero |
| 1863 | daddu t_2,a2 |
| 1864 | dsll t_1,1 |
| 1865 | daddu c_3,t_1 |
| 1866 | sltu AT,c_3,t_1 |
| 1867 | daddu t_2,AT |
| 1868 | daddu c_1,t_2 |
| 1869 | sltu AT,c_1,t_2 |
| 1870 | daddu c_2,AT |
| 1871 | dmultu a_5,a_3 /* mul_add_c2(a[5],b[3],c3,c1,c2); */ |
| 1872 | mflo t_1 |
| 1873 | mfhi t_2 |
| 1874 | slt AT,t_2,zero |
| 1875 | daddu c_2,AT |
| 1876 | dsll t_2,1 |
| 1877 | slt a2,t_1,zero |
| 1878 | daddu t_2,a2 |
| 1879 | dsll t_1,1 |
| 1880 | daddu c_3,t_1 |
| 1881 | sltu AT,c_3,t_1 |
| 1882 | daddu t_2,AT |
| 1883 | daddu c_1,t_2 |
| 1884 | sltu AT,c_1,t_2 |
| 1885 | daddu c_2,AT |
| 1886 | dmultu a_4,a_4 /* mul_add_c(a[4],b[4],c3,c1,c2); */ |
| 1887 | mflo t_1 |
| 1888 | mfhi t_2 |
| 1889 | daddu c_3,t_1 |
| 1890 | sltu AT,c_3,t_1 |
| 1891 | daddu t_2,AT |
| 1892 | daddu c_1,t_2 |
| 1893 | sltu AT,c_1,t_2 |
| 1894 | daddu c_2,AT |
| 1895 | sd c_3,64(a0) |
| 1896 | |
| 1897 | dmultu a_2,a_7 /* mul_add_c2(a[2],b[7],c1,c2,c3); */ |
| 1898 | mflo t_1 |
| 1899 | mfhi t_2 |
| 1900 | slt c_3,t_2,zero |
| 1901 | dsll t_2,1 |
| 1902 | slt a2,t_1,zero |
| 1903 | daddu t_2,a2 |
| 1904 | dsll t_1,1 |
| 1905 | daddu c_1,t_1 |
| 1906 | sltu AT,c_1,t_1 |
| 1907 | daddu t_2,AT |
| 1908 | daddu c_2,t_2 |
| 1909 | sltu AT,c_2,t_2 |
| 1910 | daddu c_3,AT |
| 1911 | dmultu a_3,a_6 /* mul_add_c2(a[3],b[6],c1,c2,c3); */ |
| 1912 | mflo t_1 |
| 1913 | mfhi t_2 |
| 1914 | slt AT,t_2,zero |
| 1915 | daddu c_3,AT |
| 1916 | dsll t_2,1 |
| 1917 | slt a2,t_1,zero |
| 1918 | daddu t_2,a2 |
| 1919 | dsll t_1,1 |
| 1920 | daddu c_1,t_1 |
| 1921 | sltu AT,c_1,t_1 |
| 1922 | daddu t_2,AT |
| 1923 | daddu c_2,t_2 |
| 1924 | sltu AT,c_2,t_2 |
| 1925 | daddu c_3,AT |
| 1926 | dmultu a_4,a_5 /* mul_add_c2(a[4],b[5],c1,c2,c3); */ |
| 1927 | mflo t_1 |
| 1928 | mfhi t_2 |
| 1929 | slt AT,t_2,zero |
| 1930 | daddu c_3,AT |
| 1931 | dsll t_2,1 |
| 1932 | slt a2,t_1,zero |
| 1933 | daddu t_2,a2 |
| 1934 | dsll t_1,1 |
| 1935 | daddu c_1,t_1 |
| 1936 | sltu AT,c_1,t_1 |
| 1937 | daddu t_2,AT |
| 1938 | daddu c_2,t_2 |
| 1939 | sltu AT,c_2,t_2 |
| 1940 | daddu c_3,AT |
| 1941 | sd c_1,72(a0) |
| 1942 | |
| 1943 | dmultu a_7,a_3 /* mul_add_c2(a[7],b[3],c2,c3,c1); */ |
| 1944 | mflo t_1 |
| 1945 | mfhi t_2 |
| 1946 | slt c_1,t_2,zero |
| 1947 | dsll t_2,1 |
| 1948 | slt a2,t_1,zero |
| 1949 | daddu t_2,a2 |
| 1950 | dsll t_1,1 |
| 1951 | daddu c_2,t_1 |
| 1952 | sltu AT,c_2,t_1 |
| 1953 | daddu t_2,AT |
| 1954 | daddu c_3,t_2 |
| 1955 | sltu AT,c_3,t_2 |
| 1956 | daddu c_1,AT |
| 1957 | dmultu a_6,a_4 /* mul_add_c2(a[6],b[4],c2,c3,c1); */ |
| 1958 | mflo t_1 |
| 1959 | mfhi t_2 |
| 1960 | slt AT,t_2,zero |
| 1961 | daddu c_1,AT |
| 1962 | dsll t_2,1 |
| 1963 | slt a2,t_1,zero |
| 1964 | daddu t_2,a2 |
| 1965 | dsll t_1,1 |
| 1966 | daddu c_2,t_1 |
| 1967 | sltu AT,c_2,t_1 |
| 1968 | daddu t_2,AT |
| 1969 | daddu c_3,t_2 |
| 1970 | sltu AT,c_3,t_2 |
| 1971 | daddu c_1,AT |
| 1972 | dmultu a_5,a_5 /* mul_add_c(a[5],b[5],c2,c3,c1); */ |
| 1973 | mflo t_1 |
| 1974 | mfhi t_2 |
| 1975 | daddu c_2,t_1 |
| 1976 | sltu AT,c_2,t_1 |
| 1977 | daddu t_2,AT |
| 1978 | daddu c_3,t_2 |
| 1979 | sltu AT,c_3,t_2 |
| 1980 | daddu c_1,AT |
| 1981 | sd c_2,80(a0) |
| 1982 | |
| 1983 | dmultu a_4,a_7 /* mul_add_c2(a[4],b[7],c3,c1,c2); */ |
| 1984 | mflo t_1 |
| 1985 | mfhi t_2 |
| 1986 | slt c_2,t_2,zero |
| 1987 | dsll t_2,1 |
| 1988 | slt a2,t_1,zero |
| 1989 | daddu t_2,a2 |
| 1990 | dsll t_1,1 |
| 1991 | daddu c_3,t_1 |
| 1992 | sltu AT,c_3,t_1 |
| 1993 | daddu t_2,AT |
| 1994 | daddu c_1,t_2 |
| 1995 | sltu AT,c_1,t_2 |
| 1996 | daddu c_2,AT |
| 1997 | dmultu a_5,a_6 /* mul_add_c2(a[5],b[6],c3,c1,c2); */ |
| 1998 | mflo t_1 |
| 1999 | mfhi t_2 |
| 2000 | slt AT,t_2,zero |
| 2001 | daddu c_2,AT |
| 2002 | dsll t_2,1 |
| 2003 | slt a2,t_1,zero |
| 2004 | daddu t_2,a2 |
| 2005 | dsll t_1,1 |
| 2006 | daddu c_3,t_1 |
| 2007 | sltu AT,c_3,t_1 |
| 2008 | daddu t_2,AT |
| 2009 | daddu c_1,t_2 |
| 2010 | sltu AT,c_1,t_2 |
| 2011 | daddu c_2,AT |
| 2012 | sd c_3,88(a0) |
| 2013 | |
| 2014 | dmultu a_7,a_5 /* mul_add_c2(a[7],b[5],c1,c2,c3); */ |
| 2015 | mflo t_1 |
| 2016 | mfhi t_2 |
| 2017 | slt c_3,t_2,zero |
| 2018 | dsll t_2,1 |
| 2019 | slt a2,t_1,zero |
| 2020 | daddu t_2,a2 |
| 2021 | dsll t_1,1 |
| 2022 | daddu c_1,t_1 |
| 2023 | sltu AT,c_1,t_1 |
| 2024 | daddu t_2,AT |
| 2025 | daddu c_2,t_2 |
| 2026 | sltu AT,c_2,t_2 |
| 2027 | daddu c_3,AT |
| 2028 | dmultu a_6,a_6 /* mul_add_c(a[6],b[6],c1,c2,c3); */ |
| 2029 | mflo t_1 |
| 2030 | mfhi t_2 |
| 2031 | daddu c_1,t_1 |
| 2032 | sltu AT,c_1,t_1 |
| 2033 | daddu t_2,AT |
| 2034 | daddu c_2,t_2 |
| 2035 | sltu AT,c_2,t_2 |
| 2036 | daddu c_3,AT |
| 2037 | sd c_1,96(a0) |
| 2038 | |
| 2039 | dmultu a_6,a_7 /* mul_add_c2(a[6],b[7],c2,c3,c1); */ |
| 2040 | mflo t_1 |
| 2041 | mfhi t_2 |
| 2042 | slt c_1,t_2,zero |
| 2043 | dsll t_2,1 |
| 2044 | slt a2,t_1,zero |
| 2045 | daddu t_2,a2 |
| 2046 | dsll t_1,1 |
| 2047 | daddu c_2,t_1 |
| 2048 | sltu AT,c_2,t_1 |
| 2049 | daddu t_2,AT |
| 2050 | daddu c_3,t_2 |
| 2051 | sltu AT,c_3,t_2 |
| 2052 | daddu c_1,AT |
| 2053 | sd c_2,104(a0) |
| 2054 | |
| 2055 | dmultu a_7,a_7 /* mul_add_c(a[7],b[7],c3,c1,c2); */ |
| 2056 | mflo t_1 |
| 2057 | mfhi t_2 |
| 2058 | daddu c_3,t_1 |
| 2059 | sltu AT,c_3,t_1 |
| 2060 | daddu t_2,AT |
| 2061 | daddu c_1,t_2 |
| 2062 | sd c_3,112(a0) |
| 2063 | sd c_1,120(a0) |
| 2064 | |
| 2065 | jr ra |
| 2066 | END(bn_sqr_comba8) |
| 2067 | |
| 2068 | .align 5 |
| 2069 | LEAF(bn_sqr_comba4) |
| 2070 | .set reorder |
| 2071 | ld a_0,0(a1) |
| 2072 | ld a_1,8(a1) |
| 2073 | ld a_2,16(a1) |
| 2074 | ld a_3,24(a1) |
| 2075 | dmultu a_0,a_0 /* mul_add_c(a[0],b[0],c1,c2,c3); */ |
| 2076 | mflo c_1 |
| 2077 | mfhi c_2 |
| 2078 | sd c_1,0(a0) |
| 2079 | |
| 2080 | dmultu a_0,a_1 /* mul_add_c2(a[0],b[1],c2,c3,c1); */ |
| 2081 | mflo t_1 |
| 2082 | mfhi t_2 |
| 2083 | slt c_1,t_2,zero |
| 2084 | dsll t_2,1 |
| 2085 | slt a2,t_1,zero |
| 2086 | daddu t_2,a2 |
| 2087 | dsll t_1,1 |
| 2088 | daddu c_2,t_1 |
| 2089 | sltu AT,c_2,t_1 |
| 2090 | daddu c_3,t_2,AT |
| 2091 | sd c_2,8(a0) |
| 2092 | |
| 2093 | dmultu a_2,a_0 /* mul_add_c2(a[2],b[0],c3,c1,c2); */ |
| 2094 | mflo t_1 |
| 2095 | mfhi t_2 |
| 2096 | slt c_2,t_2,zero |
| 2097 | dsll t_2,1 |
| 2098 | slt a2,t_1,zero |
| 2099 | daddu t_2,a2 |
| 2100 | dsll t_1,1 |
| 2101 | daddu c_3,t_1 |
| 2102 | sltu AT,c_3,t_1 |
| 2103 | daddu t_2,AT |
| 2104 | daddu c_1,t_2 |
| 2105 | sltu AT,c_1,t_2 |
| 2106 | daddu c_2,AT |
| 2107 | dmultu a_1,a_1 /* mul_add_c(a[1],b[1],c3,c1,c2); */ |
| 2108 | mflo t_1 |
| 2109 | mfhi t_2 |
| 2110 | daddu c_3,t_1 |
| 2111 | sltu AT,c_3,t_1 |
| 2112 | daddu t_2,AT |
| 2113 | daddu c_1,t_2 |
| 2114 | sltu AT,c_1,t_2 |
| 2115 | daddu c_2,AT |
| 2116 | sd c_3,16(a0) |
| 2117 | |
| 2118 | dmultu a_0,a_3 /* mul_add_c2(a[0],b[3],c1,c2,c3); */ |
| 2119 | mflo t_1 |
| 2120 | mfhi t_2 |
| 2121 | slt c_3,t_2,zero |
| 2122 | dsll t_2,1 |
| 2123 | slt a2,t_1,zero |
| 2124 | daddu t_2,a2 |
| 2125 | dsll t_1,1 |
| 2126 | daddu c_1,t_1 |
| 2127 | sltu AT,c_1,t_1 |
| 2128 | daddu t_2,AT |
| 2129 | daddu c_2,t_2 |
| 2130 | sltu AT,c_2,t_2 |
| 2131 | daddu c_3,AT |
| 2132 | dmultu a_1,a_2 /* mul_add_c(a2[1],b[2],c1,c2,c3); */ |
| 2133 | mflo t_1 |
| 2134 | mfhi t_2 |
| 2135 | slt AT,t_2,zero |
| 2136 | daddu c_3,AT |
| 2137 | dsll t_2,1 |
| 2138 | slt a2,t_1,zero |
| 2139 | daddu t_2,a2 |
| 2140 | dsll t_1,1 |
| 2141 | daddu c_1,t_1 |
| 2142 | sltu AT,c_1,t_1 |
| 2143 | daddu t_2,AT |
| 2144 | daddu c_2,t_2 |
| 2145 | sltu AT,c_2,t_2 |
| 2146 | daddu c_3,AT |
| 2147 | sd c_1,24(a0) |
| 2148 | |
| 2149 | dmultu a_3,a_1 /* mul_add_c2(a[3],b[1],c2,c3,c1); */ |
| 2150 | mflo t_1 |
| 2151 | mfhi t_2 |
| 2152 | slt c_1,t_2,zero |
| 2153 | dsll t_2,1 |
| 2154 | slt a2,t_1,zero |
| 2155 | daddu t_2,a2 |
| 2156 | dsll t_1,1 |
| 2157 | daddu c_2,t_1 |
| 2158 | sltu AT,c_2,t_1 |
| 2159 | daddu t_2,AT |
| 2160 | daddu c_3,t_2 |
| 2161 | sltu AT,c_3,t_2 |
| 2162 | daddu c_1,AT |
| 2163 | dmultu a_2,a_2 /* mul_add_c(a[2],b[2],c2,c3,c1); */ |
| 2164 | mflo t_1 |
| 2165 | mfhi t_2 |
| 2166 | daddu c_2,t_1 |
| 2167 | sltu AT,c_2,t_1 |
| 2168 | daddu t_2,AT |
| 2169 | daddu c_3,t_2 |
| 2170 | sltu AT,c_3,t_2 |
| 2171 | daddu c_1,AT |
| 2172 | sd c_2,32(a0) |
| 2173 | |
| 2174 | dmultu a_2,a_3 /* mul_add_c2(a[2],b[3],c3,c1,c2); */ |
| 2175 | mflo t_1 |
| 2176 | mfhi t_2 |
| 2177 | slt c_2,t_2,zero |
| 2178 | dsll t_2,1 |
| 2179 | slt a2,t_1,zero |
| 2180 | daddu t_2,a2 |
| 2181 | dsll t_1,1 |
| 2182 | daddu c_3,t_1 |
| 2183 | sltu AT,c_3,t_1 |
| 2184 | daddu t_2,AT |
| 2185 | daddu c_1,t_2 |
| 2186 | sltu AT,c_1,t_2 |
| 2187 | daddu c_2,AT |
| 2188 | sd c_3,40(a0) |
| 2189 | |
| 2190 | dmultu a_3,a_3 /* mul_add_c(a[3],b[3],c1,c2,c3); */ |
| 2191 | mflo t_1 |
| 2192 | mfhi t_2 |
| 2193 | daddu c_1,t_1 |
| 2194 | sltu AT,c_1,t_1 |
| 2195 | daddu t_2,AT |
| 2196 | daddu c_2,t_2 |
| 2197 | sd c_1,48(a0) |
| 2198 | sd c_2,56(a0) |
| 2199 | |
| 2200 | jr ra |
| 2201 | END(bn_sqr_comba4) |