246 NextThumb = ((CPSR)newCpsr).t; 247 NextJazelle = ((CPSR)newCpsr).j; 248 NextItState = ((((CPSR)newCpsr).it2 << 2) & 0xFC) 249 | (((CPSR)newCpsr).it1 & 0x3); 250 SevMailbox = 1; 251 ''' 252 buildImmDataInst(mnem + 's', code, flagType, 253 suffix = "ImmPclr", buildCc = False, 254 instFlags = ["IsSerializeAfter","IsNonSpeculative"]) 255 buildRegDataInst(mnem + 's', code, flagType, 256 suffix = "RegPclr", buildCc = False, 257 instFlags = ["IsSerializeAfter","IsNonSpeculative"]) 258 259 buildDataInst("and", "Dest = resTemp = Op1 & secondOp;") 260 buildDataInst("eor", "Dest = resTemp = Op1 ^ secondOp;") 261 buildDataInst("sub", "Dest = resTemp = Op1 - secondOp;", "sub") 262 buildDataInst("rsb", "Dest = resTemp = secondOp - Op1;", "rsb") 263 buildDataInst("add", "Dest = resTemp = Op1 + secondOp;", "add") 264 buildImmDataInst("adr", ''' 265 Dest = resTemp = (PC & ~0x3) + 266 (op1 ? secondOp : -secondOp); 267 ''') 268 buildDataInst("adc", "Dest = resTemp = Op1 + secondOp + %s;" % oldC, "add") 269 buildDataInst("sbc", "Dest = resTemp = Op1 - secondOp - !%s;" % oldC, "sub") 270 buildDataInst("rsc", "Dest = resTemp = secondOp - Op1 - !%s;" % oldC, "rsb") 271 buildDataInst("tst", "resTemp = Op1 & secondOp;", aiw = False) 272 buildDataInst("teq", "resTemp = Op1 ^ secondOp;", aiw = False) 273 buildDataInst("cmp", "resTemp = Op1 - secondOp;", "sub", aiw = False) 274 buildDataInst("cmn", "resTemp = Op1 + secondOp;", "add", aiw = False) 275 buildDataInst("orr", "Dest = resTemp = Op1 | secondOp;") 276 buildDataInst("orn", "Dest = resTemp = Op1 | ~secondOp;", aiw = False) 277 buildDataInst("mov", "Dest = resTemp = secondOp;", regRegAiw = False, 278 isRasPop = "op1 == INTREG_LR", isBranch = "dest == INTREG_PC") 279 buildDataInst("bic", "Dest = resTemp = Op1 & ~secondOp;") 280 buildDataInst("mvn", "Dest = resTemp = ~secondOp;") 281 buildDataInst("movt", 282 "Dest = resTemp = insertBits(Op1, 31, 16, secondOp);", 283 aiw = False) 284 285 buildRegDataInst("qadd", ''' 286 int32_t midRes; 287 resTemp = saturateOp<32>(midRes, Op1.sw, Op2.sw); 288 Dest = midRes; 289 ''', flagType="saturate", buildNonCc=False) 290 buildRegDataInst("qadd16", ''' 291 int32_t midRes; 292 for (unsigned i = 0; i < 2; i++) { 293 int high = (i + 1) * 16 - 1; 294 int low = i * 16; 295 int64_t arg1 = sext<16>(bits(Op1.sw, high, low)); 296 int64_t arg2 = sext<16>(bits(Op2.sw, high, low)); 297 saturateOp<16>(midRes, arg1, arg2); 298 replaceBits(resTemp, high, low, midRes); 299 } 300 Dest = resTemp; 301 ''', flagType="none", buildCc=False) 302 buildRegDataInst("qadd8", ''' 303 int32_t midRes; 304 for (unsigned i = 0; i < 4; i++) { 305 int high = (i + 1) * 8 - 1; 306 int low = i * 8; 307 int64_t arg1 = sext<8>(bits(Op1.sw, high, low)); 308 int64_t arg2 = sext<8>(bits(Op2.sw, high, low)); 309 saturateOp<8>(midRes, arg1, arg2); 310 replaceBits(resTemp, high, low, midRes); 311 } 312 Dest = resTemp; 313 ''', flagType="none", buildCc=False) 314 buildRegDataInst("qdadd", ''' 315 int32_t midRes; 316 resTemp = saturateOp<32>(midRes, Op2.sw, Op2.sw) | 317 saturateOp<32>(midRes, Op1.sw, midRes); 318 Dest = midRes; 319 ''', flagType="saturate", buildNonCc=False) 320 buildRegDataInst("qsub", ''' 321 int32_t midRes; 322 resTemp = saturateOp<32>(midRes, Op1.sw, Op2.sw, true); 323 Dest = midRes; 324 ''', flagType="saturate") 325 buildRegDataInst("qsub16", ''' 326 int32_t midRes; 327 for (unsigned i = 0; i < 2; i++) { 328 int high = (i + 1) * 16 - 1; 329 int low = i * 16; 330 int64_t arg1 = sext<16>(bits(Op1.sw, high, low)); 331 int64_t arg2 = sext<16>(bits(Op2.sw, high, low)); 332 saturateOp<16>(midRes, arg1, arg2, true); 333 replaceBits(resTemp, high, low, midRes); 334 } 335 Dest = resTemp; 336 ''', flagType="none", buildCc=False) 337 buildRegDataInst("qsub8", ''' 338 int32_t midRes; 339 for (unsigned i = 0; i < 4; i++) { 340 int high = (i + 1) * 8 - 1; 341 int low = i * 8; 342 int64_t arg1 = sext<8>(bits(Op1.sw, high, low)); 343 int64_t arg2 = sext<8>(bits(Op2.sw, high, low)); 344 saturateOp<8>(midRes, arg1, arg2, true); 345 replaceBits(resTemp, high, low, midRes); 346 } 347 Dest = resTemp; 348 ''', flagType="none", buildCc=False) 349 buildRegDataInst("qdsub", ''' 350 int32_t midRes; 351 resTemp = saturateOp<32>(midRes, Op2.sw, Op2.sw) | 352 saturateOp<32>(midRes, Op1.sw, midRes, true); 353 Dest = midRes; 354 ''', flagType="saturate", buildNonCc=False) 355 buildRegDataInst("qasx", ''' 356 int32_t midRes; 357 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 358 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 359 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 360 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 361 saturateOp<16>(midRes, arg1Low, arg2High, true); 362 replaceBits(resTemp, 15, 0, midRes); 363 saturateOp<16>(midRes, arg1High, arg2Low); 364 replaceBits(resTemp, 31, 16, midRes); 365 Dest = resTemp; 366 ''', flagType="none", buildCc=False) 367 buildRegDataInst("qsax", ''' 368 int32_t midRes; 369 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 370 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 371 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 372 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 373 saturateOp<16>(midRes, arg1Low, arg2High); 374 replaceBits(resTemp, 15, 0, midRes); 375 saturateOp<16>(midRes, arg1High, arg2Low, true); 376 replaceBits(resTemp, 31, 16, midRes); 377 Dest = resTemp; 378 ''', flagType="none", buildCc=False) 379 380 buildRegDataInst("sadd8", ''' 381 uint32_t geBits = 0; 382 resTemp = 0; 383 for (unsigned i = 0; i < 4; i++) { 384 int high = (i + 1) * 8 - 1; 385 int low = i * 8; 386 int32_t midRes = sext<8>(bits(Op1.sw, high, low)) + 387 sext<8>(bits(Op2.sw, high, low)); 388 replaceBits(resTemp, high, low, midRes); 389 if (midRes >= 0) { 390 geBits = geBits | (1 << i); 391 } 392 } 393 Dest = resTemp; 394 resTemp = geBits; 395 ''', flagType="ge", buildNonCc=False) 396 buildRegDataInst("sadd16", ''' 397 uint32_t geBits = 0; 398 resTemp = 0; 399 for (unsigned i = 0; i < 2; i++) { 400 int high = (i + 1) * 16 - 1; 401 int low = i * 16; 402 int32_t midRes = sext<16>(bits(Op1.sw, high, low)) + 403 sext<16>(bits(Op2.sw, high, low)); 404 replaceBits(resTemp, high, low, midRes); 405 if (midRes >= 0) { 406 geBits = geBits | (0x3 << (i * 2)); 407 } 408 } 409 Dest = resTemp; 410 resTemp = geBits; 411 ''', flagType="ge", buildNonCc=False) 412 413 buildRegDataInst("ssub8", ''' 414 uint32_t geBits = 0; 415 resTemp = 0; 416 for (unsigned i = 0; i < 4; i++) { 417 int high = (i + 1) * 8 - 1; 418 int low = i * 8; 419 int32_t midRes = sext<8>(bits(Op1.sw, high, low)) - 420 sext<8>(bits(Op2.sw, high, low)); 421 replaceBits(resTemp, high, low, midRes); 422 if (midRes >= 0) { 423 geBits = geBits | (1 << i); 424 } 425 } 426 Dest = resTemp; 427 resTemp = geBits; 428 ''', flagType="ge", buildNonCc=False) 429 buildRegDataInst("ssub16", ''' 430 uint32_t geBits = 0; 431 resTemp = 0; 432 for (unsigned i = 0; i < 2; i++) { 433 int high = (i + 1) * 16 - 1; 434 int low = i * 16; 435 int32_t midRes = sext<16>(bits(Op1.sw, high, low)) - 436 sext<16>(bits(Op2.sw, high, low)); 437 replaceBits(resTemp, high, low, midRes); 438 if (midRes >= 0) { 439 geBits = geBits | (0x3 << (i * 2)); 440 } 441 } 442 Dest = resTemp; 443 resTemp = geBits; 444 ''', flagType="ge", buildNonCc=False) 445 buildRegDataInst("sasx", ''' 446 int32_t midRes, geBits = 0; 447 resTemp = 0; 448 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 449 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 450 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 451 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 452 midRes = arg1Low - arg2High; 453 if (midRes >= 0) { 454 geBits = geBits | 0x3; 455 } 456 replaceBits(resTemp, 15, 0, midRes); 457 midRes = arg1High + arg2Low; 458 if (midRes >= 0) { 459 geBits = geBits | 0xc; 460 } 461 replaceBits(resTemp, 31, 16, midRes); 462 Dest = resTemp; 463 resTemp = geBits; 464 ''', flagType="ge", buildNonCc=True) 465 buildRegDataInst("ssax", ''' 466 int32_t midRes, geBits = 0; 467 resTemp = 0; 468 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 469 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 470 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 471 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 472 midRes = arg1Low + arg2High; 473 if (midRes >= 0) { 474 geBits = geBits | 0x3; 475 } 476 replaceBits(resTemp, 15, 0, midRes); 477 midRes = arg1High - arg2Low; 478 if (midRes >= 0) { 479 geBits = geBits | 0xc; 480 } 481 replaceBits(resTemp, 31, 16, midRes); 482 Dest = resTemp; 483 resTemp = geBits; 484 ''', flagType="ge", buildNonCc=True) 485 486 buildRegDataInst("shadd8", ''' 487 resTemp = 0; 488 for (unsigned i = 0; i < 4; i++) { 489 int high = (i + 1) * 8 - 1; 490 int low = i * 8; 491 int32_t midRes = 492 (uint64_t)(sext<8>(bits(Op1.sw, high, low)) + 493 sext<8>(bits(Op2.sw, high, low))) >> 1; 494 replaceBits(resTemp, high, low, midRes); 495 } 496 Dest = resTemp; 497 ''', flagType="none", buildCc=False) 498 buildRegDataInst("shadd16", ''' 499 resTemp = 0; 500 for (unsigned i = 0; i < 2; i++) { 501 int high = (i + 1) * 16 - 1; 502 int low = i * 16; 503 int32_t midRes = 504 (uint64_t)(sext<16>(bits(Op1.sw, high, low)) + 505 sext<16>(bits(Op2.sw, high, low))) >> 1; 506 replaceBits(resTemp, high, low, midRes); 507 } 508 Dest = resTemp; 509 ''', flagType="none", buildCc=False) 510 buildRegDataInst("shsub8", ''' 511 resTemp = 0; 512 for (unsigned i = 0; i < 4; i++) { 513 int high = (i + 1) * 8 - 1; 514 int low = i * 8; 515 int32_t midRes = 516 (uint64_t)(sext<8>(bits(Op1.sw, high, low)) - 517 sext<8>(bits(Op2.sw, high, low))) >> 1; 518 replaceBits(resTemp, high, low, midRes); 519 } 520 Dest = resTemp; 521 ''', flagType="none", buildCc=False) 522 buildRegDataInst("shsub16", ''' 523 resTemp = 0; 524 for (unsigned i = 0; i < 2; i++) { 525 int high = (i + 1) * 16 - 1; 526 int low = i * 16; 527 int32_t midRes = 528 (uint64_t)(sext<16>(bits(Op1.sw, high, low)) - 529 sext<16>(bits(Op2.sw, high, low))) >> 1; 530 replaceBits(resTemp, high, low, midRes); 531 } 532 Dest = resTemp; 533 ''', flagType="none", buildCc=False) 534 buildRegDataInst("shasx", ''' 535 int32_t midRes; 536 resTemp = 0; 537 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 538 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 539 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 540 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 541 midRes = (uint64_t)(arg1Low - arg2High) >> 1; 542 replaceBits(resTemp, 15, 0, midRes); 543 midRes = (arg1High + arg2Low) >> 1; 544 replaceBits(resTemp, 31, 16, midRes); 545 Dest = resTemp; 546 ''', flagType="none", buildCc=True) 547 buildRegDataInst("shsax", ''' 548 int32_t midRes; 549 resTemp = 0; 550 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 551 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 552 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 553 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 554 midRes = (uint64_t)(arg1Low + arg2High) >> 1; 555 replaceBits(resTemp, 15, 0, midRes); 556 midRes = (uint64_t)(arg1High - arg2Low) >> 1; 557 replaceBits(resTemp, 31, 16, midRes); 558 Dest = resTemp; 559 ''', flagType="none", buildCc=True) 560 561 buildRegDataInst("uqadd16", ''' 562 uint32_t midRes; 563 for (unsigned i = 0; i < 2; i++) { 564 int high = (i + 1) * 16 - 1; 565 int low = i * 16; 566 uint64_t arg1 = bits(Op1, high, low); 567 uint64_t arg2 = bits(Op2, high, low); 568 uSaturateOp<16>(midRes, arg1, arg2); 569 replaceBits(resTemp, high, low, midRes); 570 } 571 Dest = resTemp; 572 ''', flagType="none", buildCc=False) 573 buildRegDataInst("uqadd8", ''' 574 uint32_t midRes; 575 for (unsigned i = 0; i < 4; i++) { 576 int high = (i + 1) * 8 - 1; 577 int low = i * 8; 578 uint64_t arg1 = bits(Op1, high, low); 579 uint64_t arg2 = bits(Op2, high, low); 580 uSaturateOp<8>(midRes, arg1, arg2); 581 replaceBits(resTemp, high, low, midRes); 582 } 583 Dest = resTemp; 584 ''', flagType="none", buildCc=False) 585 buildRegDataInst("uqsub16", ''' 586 uint32_t midRes; 587 for (unsigned i = 0; i < 2; i++) { 588 int high = (i + 1) * 16 - 1; 589 int low = i * 16; 590 uint64_t arg1 = bits(Op1, high, low); 591 uint64_t arg2 = bits(Op2, high, low); 592 uSaturateOp<16>(midRes, arg1, arg2, true); 593 replaceBits(resTemp, high, low, midRes); 594 } 595 Dest = resTemp; 596 ''', flagType="none", buildCc=False) 597 buildRegDataInst("uqsub8", ''' 598 uint32_t midRes; 599 for (unsigned i = 0; i < 4; i++) { 600 int high = (i + 1) * 8 - 1; 601 int low = i * 8; 602 uint64_t arg1 = bits(Op1, high, low); 603 uint64_t arg2 = bits(Op2, high, low); 604 uSaturateOp<8>(midRes, arg1, arg2, true); 605 replaceBits(resTemp, high, low, midRes); 606 } 607 Dest = resTemp; 608 ''', flagType="none", buildCc=False) 609 buildRegDataInst("uqasx", ''' 610 uint32_t midRes; 611 uint64_t arg1Low = bits(Op1.sw, 15, 0); 612 uint64_t arg1High = bits(Op1.sw, 31, 16); 613 uint64_t arg2Low = bits(Op2.sw, 15, 0); 614 uint64_t arg2High = bits(Op2.sw, 31, 16); 615 uSaturateOp<16>(midRes, arg1Low, arg2High, true); 616 replaceBits(resTemp, 15, 0, midRes); 617 uSaturateOp<16>(midRes, arg1High, arg2Low); 618 replaceBits(resTemp, 31, 16, midRes); 619 Dest = resTemp; 620 ''', flagType="none", buildCc=False) 621 buildRegDataInst("uqsax", ''' 622 uint32_t midRes; 623 uint64_t arg1Low = bits(Op1.sw, 15, 0); 624 uint64_t arg1High = bits(Op1.sw, 31, 16); 625 uint64_t arg2Low = bits(Op2.sw, 15, 0); 626 uint64_t arg2High = bits(Op2.sw, 31, 16); 627 uSaturateOp<16>(midRes, arg1Low, arg2High); 628 replaceBits(resTemp, 15, 0, midRes); 629 uSaturateOp<16>(midRes, arg1High, arg2Low, true); 630 replaceBits(resTemp, 31, 16, midRes); 631 Dest = resTemp; 632 ''', flagType="none", buildCc=False) 633 634 buildRegDataInst("uadd16", ''' 635 uint32_t geBits = 0; 636 resTemp = 0; 637 for (unsigned i = 0; i < 2; i++) { 638 int high = (i + 1) * 16 - 1; 639 int low = i * 16; 640 int32_t midRes = bits(Op1, high, low) + 641 bits(Op2, high, low); 642 if (midRes >= 0x10000) { 643 geBits = geBits | (0x3 << (i * 2)); 644 } 645 replaceBits(resTemp, high, low, midRes); 646 } 647 Dest = resTemp; 648 resTemp = geBits; 649 ''', flagType="ge", buildNonCc=False) 650 buildRegDataInst("uadd8", ''' 651 uint32_t geBits = 0; 652 resTemp = 0; 653 for (unsigned i = 0; i < 4; i++) { 654 int high = (i + 1) * 8 - 1; 655 int low = i * 8; 656 int32_t midRes = bits(Op1, high, low) + 657 bits(Op2, high, low); 658 if (midRes >= 0x100) { 659 geBits = geBits | (1 << i); 660 } 661 replaceBits(resTemp, high, low, midRes); 662 } 663 Dest = resTemp; 664 resTemp = geBits; 665 ''', flagType="ge", buildNonCc=False) 666 buildRegDataInst("usub16", ''' 667 uint32_t geBits = 0; 668 resTemp = 0; 669 for (unsigned i = 0; i < 2; i++) { 670 int high = (i + 1) * 16 - 1; 671 int low = i * 16; 672 int32_t midRes = bits(Op1, high, low) - 673 bits(Op2, high, low); 674 if (midRes >= 0) { 675 geBits = geBits | (0x3 << (i * 2)); 676 } 677 replaceBits(resTemp, high, low, midRes); 678 } 679 Dest = resTemp; 680 resTemp = geBits; 681 ''', flagType="ge", buildNonCc=False) 682 buildRegDataInst("usub8", ''' 683 uint32_t geBits = 0; 684 resTemp = 0; 685 for (unsigned i = 0; i < 4; i++) { 686 int high = (i + 1) * 8 - 1; 687 int low = i * 8; 688 int32_t midRes = bits(Op1, high, low) - 689 bits(Op2, high, low); 690 if (midRes >= 0) { 691 geBits = geBits | (1 << i); 692 } 693 replaceBits(resTemp, high, low, midRes); 694 } 695 Dest = resTemp; 696 resTemp = geBits; 697 ''', flagType="ge", buildNonCc=False) 698 buildRegDataInst("uasx", ''' 699 int32_t midRes, geBits = 0; 700 resTemp = 0; 701 int64_t arg1Low = bits(Op1.sw, 15, 0); 702 int64_t arg1High = bits(Op1.sw, 31, 16); 703 int64_t arg2Low = bits(Op2.sw, 15, 0); 704 int64_t arg2High = bits(Op2.sw, 31, 16); 705 midRes = arg1Low - arg2High; 706 if (midRes >= 0) { 707 geBits = geBits | 0x3; 708 } 709 replaceBits(resTemp, 15, 0, midRes); 710 midRes = arg1High + arg2Low; 711 if (midRes >= 0x10000) { 712 geBits = geBits | 0xc; 713 } 714 replaceBits(resTemp, 31, 16, midRes); 715 Dest = resTemp; 716 resTemp = geBits; 717 ''', flagType="ge", buildNonCc=False) 718 buildRegDataInst("usax", ''' 719 int32_t midRes, geBits = 0; 720 resTemp = 0; 721 int64_t arg1Low = bits(Op1.sw, 15, 0); 722 int64_t arg1High = bits(Op1.sw, 31, 16); 723 int64_t arg2Low = bits(Op2.sw, 15, 0); 724 int64_t arg2High = bits(Op2.sw, 31, 16); 725 midRes = arg1Low + arg2High; 726 if (midRes >= 0x10000) { 727 geBits = geBits | 0x3; 728 } 729 replaceBits(resTemp, 15, 0, midRes); 730 midRes = arg1High - arg2Low; 731 if (midRes >= 0) { 732 geBits = geBits | 0xc; 733 } 734 replaceBits(resTemp, 31, 16, midRes); 735 Dest = resTemp; 736 resTemp = geBits; 737 ''', flagType="ge", buildNonCc=False) 738 739 buildRegDataInst("uhadd16", ''' 740 resTemp = 0; 741 for (unsigned i = 0; i < 2; i++) { 742 int high = (i + 1) * 16 - 1; 743 int low = i * 16; 744 int32_t midRes = (bits(Op1, high, low) + 745 bits(Op2, high, low)) >> 1; 746 replaceBits(resTemp, high, low, midRes); 747 } 748 Dest = resTemp; 749 ''', flagType="none", buildCc=False) 750 buildRegDataInst("uhadd8", ''' 751 resTemp = 0; 752 for (unsigned i = 0; i < 4; i++) { 753 int high = (i + 1) * 8 - 1; 754 int low = i * 8; 755 int32_t midRes = (bits(Op1, high, low) + 756 bits(Op2, high, low)) >> 1; 757 replaceBits(resTemp, high, low, midRes); 758 } 759 Dest = resTemp; 760 ''', flagType="none", buildCc=False) 761 buildRegDataInst("uhsub16", ''' 762 resTemp = 0; 763 for (unsigned i = 0; i < 2; i++) { 764 int high = (i + 1) * 16 - 1; 765 int low = i * 16; 766 int32_t midRes = (bits(Op1, high, low) - 767 bits(Op2, high, low)) >> 1; 768 replaceBits(resTemp, high, low, midRes); 769 } 770 Dest = resTemp; 771 ''', flagType="none", buildCc=False) 772 buildRegDataInst("uhsub8", ''' 773 resTemp = 0; 774 for (unsigned i = 0; i < 4; i++) { 775 int high = (i + 1) * 8 - 1; 776 int low = i * 8; 777 int32_t midRes = (bits(Op1, high, low) - 778 bits(Op2, high, low)) >> 1; 779 replaceBits(resTemp, high, low, midRes); 780 } 781 Dest = resTemp; 782 ''', flagType="none", buildCc=False) 783 buildRegDataInst("uhasx", ''' 784 int32_t midRes; 785 resTemp = 0; 786 int64_t arg1Low = bits(Op1.sw, 15, 0); 787 int64_t arg1High = bits(Op1.sw, 31, 16); 788 int64_t arg2Low = bits(Op2.sw, 15, 0); 789 int64_t arg2High = bits(Op2.sw, 31, 16); 790 midRes = (arg1Low - arg2High) >> 1; 791 replaceBits(resTemp, 15, 0, midRes); 792 midRes = (arg1High + arg2Low) >> 1; 793 replaceBits(resTemp, 31, 16, midRes); 794 Dest = resTemp; 795 ''', flagType="none", buildCc=False) 796 buildRegDataInst("uhsax", ''' 797 int32_t midRes; 798 resTemp = 0; 799 int64_t arg1Low = bits(Op1.sw, 15, 0); 800 int64_t arg1High = bits(Op1.sw, 31, 16); 801 int64_t arg2Low = bits(Op2.sw, 15, 0); 802 int64_t arg2High = bits(Op2.sw, 31, 16); 803 midRes = (arg1Low + arg2High) >> 1; 804 replaceBits(resTemp, 15, 0, midRes); 805 midRes = (arg1High - arg2Low) >> 1; 806 replaceBits(resTemp, 31, 16, midRes); 807 Dest = resTemp; 808 ''', flagType="none", buildCc=False) 809 810 buildRegDataInst("pkhbt", ''' 811 uint32_t resTemp = 0; 812 uint16_t arg1Low = bits(Op1, 15, 0); 813 uint16_t arg2High = bits(secondOp, 31, 16); 814 replaceBits(resTemp, 15, 0, arg1Low); 815 replaceBits(resTemp, 31, 16, arg2High); 816 Dest = resTemp; 817 ''', flagType="none", buildCc=False) 818 buildRegDataInst("pkhtb", ''' 819 uint32_t resTemp = 0; 820 uint16_t arg1High = bits(Op1, 31, 16); 821 uint16_t arg2Low = bits(secondOp, 15, 0); 822 replaceBits(resTemp, 15, 0, arg2Low); 823 replaceBits(resTemp, 31, 16, arg1High); 824 Dest = resTemp; 825 ''', flagType="none", buildCc=False) 826}};
| 248 NextThumb = ((CPSR)newCpsr).t; 249 NextJazelle = ((CPSR)newCpsr).j; 250 NextItState = ((((CPSR)newCpsr).it2 << 2) & 0xFC) 251 | (((CPSR)newCpsr).it1 & 0x3); 252 SevMailbox = 1; 253 ''' 254 buildImmDataInst(mnem + 's', code, flagType, 255 suffix = "ImmPclr", buildCc = False, 256 instFlags = ["IsSerializeAfter","IsNonSpeculative"]) 257 buildRegDataInst(mnem + 's', code, flagType, 258 suffix = "RegPclr", buildCc = False, 259 instFlags = ["IsSerializeAfter","IsNonSpeculative"]) 260 261 buildDataInst("and", "Dest = resTemp = Op1 & secondOp;") 262 buildDataInst("eor", "Dest = resTemp = Op1 ^ secondOp;") 263 buildDataInst("sub", "Dest = resTemp = Op1 - secondOp;", "sub") 264 buildDataInst("rsb", "Dest = resTemp = secondOp - Op1;", "rsb") 265 buildDataInst("add", "Dest = resTemp = Op1 + secondOp;", "add") 266 buildImmDataInst("adr", ''' 267 Dest = resTemp = (PC & ~0x3) + 268 (op1 ? secondOp : -secondOp); 269 ''') 270 buildDataInst("adc", "Dest = resTemp = Op1 + secondOp + %s;" % oldC, "add") 271 buildDataInst("sbc", "Dest = resTemp = Op1 - secondOp - !%s;" % oldC, "sub") 272 buildDataInst("rsc", "Dest = resTemp = secondOp - Op1 - !%s;" % oldC, "rsb") 273 buildDataInst("tst", "resTemp = Op1 & secondOp;", aiw = False) 274 buildDataInst("teq", "resTemp = Op1 ^ secondOp;", aiw = False) 275 buildDataInst("cmp", "resTemp = Op1 - secondOp;", "sub", aiw = False) 276 buildDataInst("cmn", "resTemp = Op1 + secondOp;", "add", aiw = False) 277 buildDataInst("orr", "Dest = resTemp = Op1 | secondOp;") 278 buildDataInst("orn", "Dest = resTemp = Op1 | ~secondOp;", aiw = False) 279 buildDataInst("mov", "Dest = resTemp = secondOp;", regRegAiw = False, 280 isRasPop = "op1 == INTREG_LR", isBranch = "dest == INTREG_PC") 281 buildDataInst("bic", "Dest = resTemp = Op1 & ~secondOp;") 282 buildDataInst("mvn", "Dest = resTemp = ~secondOp;") 283 buildDataInst("movt", 284 "Dest = resTemp = insertBits(Op1, 31, 16, secondOp);", 285 aiw = False) 286 287 buildRegDataInst("qadd", ''' 288 int32_t midRes; 289 resTemp = saturateOp<32>(midRes, Op1.sw, Op2.sw); 290 Dest = midRes; 291 ''', flagType="saturate", buildNonCc=False) 292 buildRegDataInst("qadd16", ''' 293 int32_t midRes; 294 for (unsigned i = 0; i < 2; i++) { 295 int high = (i + 1) * 16 - 1; 296 int low = i * 16; 297 int64_t arg1 = sext<16>(bits(Op1.sw, high, low)); 298 int64_t arg2 = sext<16>(bits(Op2.sw, high, low)); 299 saturateOp<16>(midRes, arg1, arg2); 300 replaceBits(resTemp, high, low, midRes); 301 } 302 Dest = resTemp; 303 ''', flagType="none", buildCc=False) 304 buildRegDataInst("qadd8", ''' 305 int32_t midRes; 306 for (unsigned i = 0; i < 4; i++) { 307 int high = (i + 1) * 8 - 1; 308 int low = i * 8; 309 int64_t arg1 = sext<8>(bits(Op1.sw, high, low)); 310 int64_t arg2 = sext<8>(bits(Op2.sw, high, low)); 311 saturateOp<8>(midRes, arg1, arg2); 312 replaceBits(resTemp, high, low, midRes); 313 } 314 Dest = resTemp; 315 ''', flagType="none", buildCc=False) 316 buildRegDataInst("qdadd", ''' 317 int32_t midRes; 318 resTemp = saturateOp<32>(midRes, Op2.sw, Op2.sw) | 319 saturateOp<32>(midRes, Op1.sw, midRes); 320 Dest = midRes; 321 ''', flagType="saturate", buildNonCc=False) 322 buildRegDataInst("qsub", ''' 323 int32_t midRes; 324 resTemp = saturateOp<32>(midRes, Op1.sw, Op2.sw, true); 325 Dest = midRes; 326 ''', flagType="saturate") 327 buildRegDataInst("qsub16", ''' 328 int32_t midRes; 329 for (unsigned i = 0; i < 2; i++) { 330 int high = (i + 1) * 16 - 1; 331 int low = i * 16; 332 int64_t arg1 = sext<16>(bits(Op1.sw, high, low)); 333 int64_t arg2 = sext<16>(bits(Op2.sw, high, low)); 334 saturateOp<16>(midRes, arg1, arg2, true); 335 replaceBits(resTemp, high, low, midRes); 336 } 337 Dest = resTemp; 338 ''', flagType="none", buildCc=False) 339 buildRegDataInst("qsub8", ''' 340 int32_t midRes; 341 for (unsigned i = 0; i < 4; i++) { 342 int high = (i + 1) * 8 - 1; 343 int low = i * 8; 344 int64_t arg1 = sext<8>(bits(Op1.sw, high, low)); 345 int64_t arg2 = sext<8>(bits(Op2.sw, high, low)); 346 saturateOp<8>(midRes, arg1, arg2, true); 347 replaceBits(resTemp, high, low, midRes); 348 } 349 Dest = resTemp; 350 ''', flagType="none", buildCc=False) 351 buildRegDataInst("qdsub", ''' 352 int32_t midRes; 353 resTemp = saturateOp<32>(midRes, Op2.sw, Op2.sw) | 354 saturateOp<32>(midRes, Op1.sw, midRes, true); 355 Dest = midRes; 356 ''', flagType="saturate", buildNonCc=False) 357 buildRegDataInst("qasx", ''' 358 int32_t midRes; 359 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 360 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 361 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 362 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 363 saturateOp<16>(midRes, arg1Low, arg2High, true); 364 replaceBits(resTemp, 15, 0, midRes); 365 saturateOp<16>(midRes, arg1High, arg2Low); 366 replaceBits(resTemp, 31, 16, midRes); 367 Dest = resTemp; 368 ''', flagType="none", buildCc=False) 369 buildRegDataInst("qsax", ''' 370 int32_t midRes; 371 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 372 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 373 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 374 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 375 saturateOp<16>(midRes, arg1Low, arg2High); 376 replaceBits(resTemp, 15, 0, midRes); 377 saturateOp<16>(midRes, arg1High, arg2Low, true); 378 replaceBits(resTemp, 31, 16, midRes); 379 Dest = resTemp; 380 ''', flagType="none", buildCc=False) 381 382 buildRegDataInst("sadd8", ''' 383 uint32_t geBits = 0; 384 resTemp = 0; 385 for (unsigned i = 0; i < 4; i++) { 386 int high = (i + 1) * 8 - 1; 387 int low = i * 8; 388 int32_t midRes = sext<8>(bits(Op1.sw, high, low)) + 389 sext<8>(bits(Op2.sw, high, low)); 390 replaceBits(resTemp, high, low, midRes); 391 if (midRes >= 0) { 392 geBits = geBits | (1 << i); 393 } 394 } 395 Dest = resTemp; 396 resTemp = geBits; 397 ''', flagType="ge", buildNonCc=False) 398 buildRegDataInst("sadd16", ''' 399 uint32_t geBits = 0; 400 resTemp = 0; 401 for (unsigned i = 0; i < 2; i++) { 402 int high = (i + 1) * 16 - 1; 403 int low = i * 16; 404 int32_t midRes = sext<16>(bits(Op1.sw, high, low)) + 405 sext<16>(bits(Op2.sw, high, low)); 406 replaceBits(resTemp, high, low, midRes); 407 if (midRes >= 0) { 408 geBits = geBits | (0x3 << (i * 2)); 409 } 410 } 411 Dest = resTemp; 412 resTemp = geBits; 413 ''', flagType="ge", buildNonCc=False) 414 415 buildRegDataInst("ssub8", ''' 416 uint32_t geBits = 0; 417 resTemp = 0; 418 for (unsigned i = 0; i < 4; i++) { 419 int high = (i + 1) * 8 - 1; 420 int low = i * 8; 421 int32_t midRes = sext<8>(bits(Op1.sw, high, low)) - 422 sext<8>(bits(Op2.sw, high, low)); 423 replaceBits(resTemp, high, low, midRes); 424 if (midRes >= 0) { 425 geBits = geBits | (1 << i); 426 } 427 } 428 Dest = resTemp; 429 resTemp = geBits; 430 ''', flagType="ge", buildNonCc=False) 431 buildRegDataInst("ssub16", ''' 432 uint32_t geBits = 0; 433 resTemp = 0; 434 for (unsigned i = 0; i < 2; i++) { 435 int high = (i + 1) * 16 - 1; 436 int low = i * 16; 437 int32_t midRes = sext<16>(bits(Op1.sw, high, low)) - 438 sext<16>(bits(Op2.sw, high, low)); 439 replaceBits(resTemp, high, low, midRes); 440 if (midRes >= 0) { 441 geBits = geBits | (0x3 << (i * 2)); 442 } 443 } 444 Dest = resTemp; 445 resTemp = geBits; 446 ''', flagType="ge", buildNonCc=False) 447 buildRegDataInst("sasx", ''' 448 int32_t midRes, geBits = 0; 449 resTemp = 0; 450 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 451 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 452 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 453 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 454 midRes = arg1Low - arg2High; 455 if (midRes >= 0) { 456 geBits = geBits | 0x3; 457 } 458 replaceBits(resTemp, 15, 0, midRes); 459 midRes = arg1High + arg2Low; 460 if (midRes >= 0) { 461 geBits = geBits | 0xc; 462 } 463 replaceBits(resTemp, 31, 16, midRes); 464 Dest = resTemp; 465 resTemp = geBits; 466 ''', flagType="ge", buildNonCc=True) 467 buildRegDataInst("ssax", ''' 468 int32_t midRes, geBits = 0; 469 resTemp = 0; 470 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 471 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 472 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 473 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 474 midRes = arg1Low + arg2High; 475 if (midRes >= 0) { 476 geBits = geBits | 0x3; 477 } 478 replaceBits(resTemp, 15, 0, midRes); 479 midRes = arg1High - arg2Low; 480 if (midRes >= 0) { 481 geBits = geBits | 0xc; 482 } 483 replaceBits(resTemp, 31, 16, midRes); 484 Dest = resTemp; 485 resTemp = geBits; 486 ''', flagType="ge", buildNonCc=True) 487 488 buildRegDataInst("shadd8", ''' 489 resTemp = 0; 490 for (unsigned i = 0; i < 4; i++) { 491 int high = (i + 1) * 8 - 1; 492 int low = i * 8; 493 int32_t midRes = 494 (uint64_t)(sext<8>(bits(Op1.sw, high, low)) + 495 sext<8>(bits(Op2.sw, high, low))) >> 1; 496 replaceBits(resTemp, high, low, midRes); 497 } 498 Dest = resTemp; 499 ''', flagType="none", buildCc=False) 500 buildRegDataInst("shadd16", ''' 501 resTemp = 0; 502 for (unsigned i = 0; i < 2; i++) { 503 int high = (i + 1) * 16 - 1; 504 int low = i * 16; 505 int32_t midRes = 506 (uint64_t)(sext<16>(bits(Op1.sw, high, low)) + 507 sext<16>(bits(Op2.sw, high, low))) >> 1; 508 replaceBits(resTemp, high, low, midRes); 509 } 510 Dest = resTemp; 511 ''', flagType="none", buildCc=False) 512 buildRegDataInst("shsub8", ''' 513 resTemp = 0; 514 for (unsigned i = 0; i < 4; i++) { 515 int high = (i + 1) * 8 - 1; 516 int low = i * 8; 517 int32_t midRes = 518 (uint64_t)(sext<8>(bits(Op1.sw, high, low)) - 519 sext<8>(bits(Op2.sw, high, low))) >> 1; 520 replaceBits(resTemp, high, low, midRes); 521 } 522 Dest = resTemp; 523 ''', flagType="none", buildCc=False) 524 buildRegDataInst("shsub16", ''' 525 resTemp = 0; 526 for (unsigned i = 0; i < 2; i++) { 527 int high = (i + 1) * 16 - 1; 528 int low = i * 16; 529 int32_t midRes = 530 (uint64_t)(sext<16>(bits(Op1.sw, high, low)) - 531 sext<16>(bits(Op2.sw, high, low))) >> 1; 532 replaceBits(resTemp, high, low, midRes); 533 } 534 Dest = resTemp; 535 ''', flagType="none", buildCc=False) 536 buildRegDataInst("shasx", ''' 537 int32_t midRes; 538 resTemp = 0; 539 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 540 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 541 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 542 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 543 midRes = (uint64_t)(arg1Low - arg2High) >> 1; 544 replaceBits(resTemp, 15, 0, midRes); 545 midRes = (arg1High + arg2Low) >> 1; 546 replaceBits(resTemp, 31, 16, midRes); 547 Dest = resTemp; 548 ''', flagType="none", buildCc=True) 549 buildRegDataInst("shsax", ''' 550 int32_t midRes; 551 resTemp = 0; 552 int64_t arg1Low = sext<16>(bits(Op1.sw, 15, 0)); 553 int64_t arg1High = sext<16>(bits(Op1.sw, 31, 16)); 554 int64_t arg2Low = sext<16>(bits(Op2.sw, 15, 0)); 555 int64_t arg2High = sext<16>(bits(Op2.sw, 31, 16)); 556 midRes = (uint64_t)(arg1Low + arg2High) >> 1; 557 replaceBits(resTemp, 15, 0, midRes); 558 midRes = (uint64_t)(arg1High - arg2Low) >> 1; 559 replaceBits(resTemp, 31, 16, midRes); 560 Dest = resTemp; 561 ''', flagType="none", buildCc=True) 562 563 buildRegDataInst("uqadd16", ''' 564 uint32_t midRes; 565 for (unsigned i = 0; i < 2; i++) { 566 int high = (i + 1) * 16 - 1; 567 int low = i * 16; 568 uint64_t arg1 = bits(Op1, high, low); 569 uint64_t arg2 = bits(Op2, high, low); 570 uSaturateOp<16>(midRes, arg1, arg2); 571 replaceBits(resTemp, high, low, midRes); 572 } 573 Dest = resTemp; 574 ''', flagType="none", buildCc=False) 575 buildRegDataInst("uqadd8", ''' 576 uint32_t midRes; 577 for (unsigned i = 0; i < 4; i++) { 578 int high = (i + 1) * 8 - 1; 579 int low = i * 8; 580 uint64_t arg1 = bits(Op1, high, low); 581 uint64_t arg2 = bits(Op2, high, low); 582 uSaturateOp<8>(midRes, arg1, arg2); 583 replaceBits(resTemp, high, low, midRes); 584 } 585 Dest = resTemp; 586 ''', flagType="none", buildCc=False) 587 buildRegDataInst("uqsub16", ''' 588 uint32_t midRes; 589 for (unsigned i = 0; i < 2; i++) { 590 int high = (i + 1) * 16 - 1; 591 int low = i * 16; 592 uint64_t arg1 = bits(Op1, high, low); 593 uint64_t arg2 = bits(Op2, high, low); 594 uSaturateOp<16>(midRes, arg1, arg2, true); 595 replaceBits(resTemp, high, low, midRes); 596 } 597 Dest = resTemp; 598 ''', flagType="none", buildCc=False) 599 buildRegDataInst("uqsub8", ''' 600 uint32_t midRes; 601 for (unsigned i = 0; i < 4; i++) { 602 int high = (i + 1) * 8 - 1; 603 int low = i * 8; 604 uint64_t arg1 = bits(Op1, high, low); 605 uint64_t arg2 = bits(Op2, high, low); 606 uSaturateOp<8>(midRes, arg1, arg2, true); 607 replaceBits(resTemp, high, low, midRes); 608 } 609 Dest = resTemp; 610 ''', flagType="none", buildCc=False) 611 buildRegDataInst("uqasx", ''' 612 uint32_t midRes; 613 uint64_t arg1Low = bits(Op1.sw, 15, 0); 614 uint64_t arg1High = bits(Op1.sw, 31, 16); 615 uint64_t arg2Low = bits(Op2.sw, 15, 0); 616 uint64_t arg2High = bits(Op2.sw, 31, 16); 617 uSaturateOp<16>(midRes, arg1Low, arg2High, true); 618 replaceBits(resTemp, 15, 0, midRes); 619 uSaturateOp<16>(midRes, arg1High, arg2Low); 620 replaceBits(resTemp, 31, 16, midRes); 621 Dest = resTemp; 622 ''', flagType="none", buildCc=False) 623 buildRegDataInst("uqsax", ''' 624 uint32_t midRes; 625 uint64_t arg1Low = bits(Op1.sw, 15, 0); 626 uint64_t arg1High = bits(Op1.sw, 31, 16); 627 uint64_t arg2Low = bits(Op2.sw, 15, 0); 628 uint64_t arg2High = bits(Op2.sw, 31, 16); 629 uSaturateOp<16>(midRes, arg1Low, arg2High); 630 replaceBits(resTemp, 15, 0, midRes); 631 uSaturateOp<16>(midRes, arg1High, arg2Low, true); 632 replaceBits(resTemp, 31, 16, midRes); 633 Dest = resTemp; 634 ''', flagType="none", buildCc=False) 635 636 buildRegDataInst("uadd16", ''' 637 uint32_t geBits = 0; 638 resTemp = 0; 639 for (unsigned i = 0; i < 2; i++) { 640 int high = (i + 1) * 16 - 1; 641 int low = i * 16; 642 int32_t midRes = bits(Op1, high, low) + 643 bits(Op2, high, low); 644 if (midRes >= 0x10000) { 645 geBits = geBits | (0x3 << (i * 2)); 646 } 647 replaceBits(resTemp, high, low, midRes); 648 } 649 Dest = resTemp; 650 resTemp = geBits; 651 ''', flagType="ge", buildNonCc=False) 652 buildRegDataInst("uadd8", ''' 653 uint32_t geBits = 0; 654 resTemp = 0; 655 for (unsigned i = 0; i < 4; i++) { 656 int high = (i + 1) * 8 - 1; 657 int low = i * 8; 658 int32_t midRes = bits(Op1, high, low) + 659 bits(Op2, high, low); 660 if (midRes >= 0x100) { 661 geBits = geBits | (1 << i); 662 } 663 replaceBits(resTemp, high, low, midRes); 664 } 665 Dest = resTemp; 666 resTemp = geBits; 667 ''', flagType="ge", buildNonCc=False) 668 buildRegDataInst("usub16", ''' 669 uint32_t geBits = 0; 670 resTemp = 0; 671 for (unsigned i = 0; i < 2; i++) { 672 int high = (i + 1) * 16 - 1; 673 int low = i * 16; 674 int32_t midRes = bits(Op1, high, low) - 675 bits(Op2, high, low); 676 if (midRes >= 0) { 677 geBits = geBits | (0x3 << (i * 2)); 678 } 679 replaceBits(resTemp, high, low, midRes); 680 } 681 Dest = resTemp; 682 resTemp = geBits; 683 ''', flagType="ge", buildNonCc=False) 684 buildRegDataInst("usub8", ''' 685 uint32_t geBits = 0; 686 resTemp = 0; 687 for (unsigned i = 0; i < 4; i++) { 688 int high = (i + 1) * 8 - 1; 689 int low = i * 8; 690 int32_t midRes = bits(Op1, high, low) - 691 bits(Op2, high, low); 692 if (midRes >= 0) { 693 geBits = geBits | (1 << i); 694 } 695 replaceBits(resTemp, high, low, midRes); 696 } 697 Dest = resTemp; 698 resTemp = geBits; 699 ''', flagType="ge", buildNonCc=False) 700 buildRegDataInst("uasx", ''' 701 int32_t midRes, geBits = 0; 702 resTemp = 0; 703 int64_t arg1Low = bits(Op1.sw, 15, 0); 704 int64_t arg1High = bits(Op1.sw, 31, 16); 705 int64_t arg2Low = bits(Op2.sw, 15, 0); 706 int64_t arg2High = bits(Op2.sw, 31, 16); 707 midRes = arg1Low - arg2High; 708 if (midRes >= 0) { 709 geBits = geBits | 0x3; 710 } 711 replaceBits(resTemp, 15, 0, midRes); 712 midRes = arg1High + arg2Low; 713 if (midRes >= 0x10000) { 714 geBits = geBits | 0xc; 715 } 716 replaceBits(resTemp, 31, 16, midRes); 717 Dest = resTemp; 718 resTemp = geBits; 719 ''', flagType="ge", buildNonCc=False) 720 buildRegDataInst("usax", ''' 721 int32_t midRes, geBits = 0; 722 resTemp = 0; 723 int64_t arg1Low = bits(Op1.sw, 15, 0); 724 int64_t arg1High = bits(Op1.sw, 31, 16); 725 int64_t arg2Low = bits(Op2.sw, 15, 0); 726 int64_t arg2High = bits(Op2.sw, 31, 16); 727 midRes = arg1Low + arg2High; 728 if (midRes >= 0x10000) { 729 geBits = geBits | 0x3; 730 } 731 replaceBits(resTemp, 15, 0, midRes); 732 midRes = arg1High - arg2Low; 733 if (midRes >= 0) { 734 geBits = geBits | 0xc; 735 } 736 replaceBits(resTemp, 31, 16, midRes); 737 Dest = resTemp; 738 resTemp = geBits; 739 ''', flagType="ge", buildNonCc=False) 740 741 buildRegDataInst("uhadd16", ''' 742 resTemp = 0; 743 for (unsigned i = 0; i < 2; i++) { 744 int high = (i + 1) * 16 - 1; 745 int low = i * 16; 746 int32_t midRes = (bits(Op1, high, low) + 747 bits(Op2, high, low)) >> 1; 748 replaceBits(resTemp, high, low, midRes); 749 } 750 Dest = resTemp; 751 ''', flagType="none", buildCc=False) 752 buildRegDataInst("uhadd8", ''' 753 resTemp = 0; 754 for (unsigned i = 0; i < 4; i++) { 755 int high = (i + 1) * 8 - 1; 756 int low = i * 8; 757 int32_t midRes = (bits(Op1, high, low) + 758 bits(Op2, high, low)) >> 1; 759 replaceBits(resTemp, high, low, midRes); 760 } 761 Dest = resTemp; 762 ''', flagType="none", buildCc=False) 763 buildRegDataInst("uhsub16", ''' 764 resTemp = 0; 765 for (unsigned i = 0; i < 2; i++) { 766 int high = (i + 1) * 16 - 1; 767 int low = i * 16; 768 int32_t midRes = (bits(Op1, high, low) - 769 bits(Op2, high, low)) >> 1; 770 replaceBits(resTemp, high, low, midRes); 771 } 772 Dest = resTemp; 773 ''', flagType="none", buildCc=False) 774 buildRegDataInst("uhsub8", ''' 775 resTemp = 0; 776 for (unsigned i = 0; i < 4; i++) { 777 int high = (i + 1) * 8 - 1; 778 int low = i * 8; 779 int32_t midRes = (bits(Op1, high, low) - 780 bits(Op2, high, low)) >> 1; 781 replaceBits(resTemp, high, low, midRes); 782 } 783 Dest = resTemp; 784 ''', flagType="none", buildCc=False) 785 buildRegDataInst("uhasx", ''' 786 int32_t midRes; 787 resTemp = 0; 788 int64_t arg1Low = bits(Op1.sw, 15, 0); 789 int64_t arg1High = bits(Op1.sw, 31, 16); 790 int64_t arg2Low = bits(Op2.sw, 15, 0); 791 int64_t arg2High = bits(Op2.sw, 31, 16); 792 midRes = (arg1Low - arg2High) >> 1; 793 replaceBits(resTemp, 15, 0, midRes); 794 midRes = (arg1High + arg2Low) >> 1; 795 replaceBits(resTemp, 31, 16, midRes); 796 Dest = resTemp; 797 ''', flagType="none", buildCc=False) 798 buildRegDataInst("uhsax", ''' 799 int32_t midRes; 800 resTemp = 0; 801 int64_t arg1Low = bits(Op1.sw, 15, 0); 802 int64_t arg1High = bits(Op1.sw, 31, 16); 803 int64_t arg2Low = bits(Op2.sw, 15, 0); 804 int64_t arg2High = bits(Op2.sw, 31, 16); 805 midRes = (arg1Low + arg2High) >> 1; 806 replaceBits(resTemp, 15, 0, midRes); 807 midRes = (arg1High - arg2Low) >> 1; 808 replaceBits(resTemp, 31, 16, midRes); 809 Dest = resTemp; 810 ''', flagType="none", buildCc=False) 811 812 buildRegDataInst("pkhbt", ''' 813 uint32_t resTemp = 0; 814 uint16_t arg1Low = bits(Op1, 15, 0); 815 uint16_t arg2High = bits(secondOp, 31, 16); 816 replaceBits(resTemp, 15, 0, arg1Low); 817 replaceBits(resTemp, 31, 16, arg2High); 818 Dest = resTemp; 819 ''', flagType="none", buildCc=False) 820 buildRegDataInst("pkhtb", ''' 821 uint32_t resTemp = 0; 822 uint16_t arg1High = bits(Op1, 31, 16); 823 uint16_t arg2Low = bits(secondOp, 15, 0); 824 replaceBits(resTemp, 15, 0, arg2Low); 825 replaceBits(resTemp, 31, 16, arg1High); 826 Dest = resTemp; 827 ''', flagType="none", buildCc=False) 828}};
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