1 #include "l.h" 2 3 long OFFSET; 4 /* 5 long BADOFFSET = -1; 6 7 if(OFFSET <= BADOFFSET && OFFSET+4 > BADOFFSET)\ 8 abort();\ 9 OFFSET += 4;\ 10 11 if(OFFSET == BADOFFSET)\ 12 abort();\ 13 OFFSET++;\ 14 */ 15 16 #define LPUT(l) { \ 17 if (little) { \ 18 LLEPUT(l); \ 19 } else { \ 20 LBEPUT(l); \ 21 } \ 22 } 23 24 #define LLEPUT(c)\ 25 {\ 26 cbp[0] = (c);\ 27 cbp[1] = (c)>>8;\ 28 cbp[2] = (c)>>16;\ 29 cbp[3] = (c)>>24;\ 30 cbp += 4;\ 31 cbc -= 4;\ 32 if(cbc <= 0)\ 33 cflush();\ 34 } 35 36 #define LBEPUT(c)\ 37 {\ 38 cbp[0] = (c)>>24;\ 39 cbp[1] = (c)>>16;\ 40 cbp[2] = (c)>>8;\ 41 cbp[3] = (c);\ 42 cbp += 4;\ 43 cbc -= 4;\ 44 if(cbc <= 0)\ 45 cflush();\ 46 } 47 48 #define HPUT(h) { \ 49 if (little) { \ 50 HLEPUT(h); \ 51 } else { \ 52 HBEPUT(h); \ 53 } \ 54 } 55 56 #define HLEPUT(c)\ 57 {\ 58 cbp[0] = (c);\ 59 cbp[1] = (c)>>8;\ 60 cbp += 2;\ 61 cbc -= 2;\ 62 if(cbc <= 0)\ 63 cflush();\ 64 } 65 66 #define HBEPUT(c)\ 67 {\ 68 cbp[0] = (c)>>8;\ 69 cbp[1] = (c);\ 70 cbp += 2;\ 71 cbc -= 2;\ 72 if(cbc <= 0)\ 73 cflush();\ 74 } 75 76 77 #define CPUT(c)\ 78 {\ 79 cbp[0] = (c);\ 80 cbp++;\ 81 cbc--;\ 82 if(cbc <= 0)\ 83 cflush();\ 84 } 85 86 void 87 cput(long l) 88 { 89 CPUT(l); 90 } 91 92 void 93 objput(long l) /* emit long in byte order appropriate to object machine */ 94 { 95 LPUT(l); 96 } 97 98 void 99 objhput(short s) 100 { 101 HPUT(s); 102 } 103 104 void 105 wput(long l) 106 { 107 108 cbp[0] = l>>8; 109 cbp[1] = l; 110 cbp += 2; 111 cbc -= 2; 112 if(cbc <= 0) 113 cflush(); 114 } 115 116 void 117 wputl(long l) 118 { 119 120 cbp[0] = l; 121 cbp[1] = l>>8; 122 cbp += 2; 123 cbc -= 2; 124 if(cbc <= 0) 125 cflush(); 126 } 127 128 void 129 lput(long l) /* emit long in big-endian byte order */ 130 { 131 LBEPUT(l); 132 } 133 134 void 135 lputl(long l) /* emit long in big-endian byte order */ 136 { 137 LLEPUT(l); 138 } 139 140 void 141 llput(vlong v) 142 { 143 lput(v>>32); 144 lput(v); 145 } 146 147 void 148 llputl(vlong v) 149 { 150 lputl(v); 151 lputl(v>>32); 152 } 153 154 long 155 entryvalue(void) 156 { 157 char *a; 158 Sym *s; 159 160 a = INITENTRY; 161 if(*a >= '0' && *a <= '9') 162 return atolwhex(a); 163 s = lookup(a, 0); 164 if(s->type == 0) 165 return INITTEXT; 166 if(s->type != STEXT && s->type != SLEAF) 167 diag("entry not text: %s", s->name); 168 return s->value; 169 } 170 171 void 172 asmb(void) 173 { 174 Prog *p; 175 long t, etext; 176 Optab *o; 177 178 if(debug['v']) 179 Bprint(&bso, "%5.2f asm\n", cputime()); 180 Bflush(&bso); 181 OFFSET = HEADR; 182 seek(cout, OFFSET, 0); 183 pc = INITTEXT; 184 for(p = firstp; p != P; p = p->link) { 185 if(p->as == ATEXT) { 186 curtext = p; 187 autosize = p->to.offset + 4; 188 } 189 if(p->pc != pc) { 190 diag("phase error %lux sb %lux", 191 p->pc, pc); 192 if(!debug['a']) 193 prasm(curp); 194 pc = p->pc; 195 } 196 curp = p; 197 o = oplook(p); /* could probably avoid this call */ 198 if(asmout(p, o, 0)) { 199 p = p->link; 200 pc += 4; 201 } 202 pc += o->size; 203 } 204 if(debug['a']) 205 Bprint(&bso, "\n"); 206 Bflush(&bso); 207 cflush(); 208 209 etext = INITTEXT + textsize; 210 for(t = pc; t < etext; t += sizeof(buf)-100) { 211 if(etext-t > sizeof(buf)-100) 212 datblk(t, sizeof(buf)-100, 1); 213 else 214 datblk(t, etext-t, 1); 215 } 216 217 Bflush(&bso); 218 cflush(); 219 220 curtext = P; 221 switch(HEADTYPE) { 222 case 0: 223 case 4: 224 OFFSET = rnd(HEADR+textsize, 4096); 225 seek(cout, OFFSET, 0); 226 break; 227 case 1: 228 case 2: 229 case 3: 230 case 5: 231 case 6: 232 OFFSET = HEADR+textsize; 233 seek(cout, OFFSET, 0); 234 break; 235 } 236 for(t = 0; t < datsize; t += sizeof(buf)-100) { 237 if(datsize-t > sizeof(buf)-100) 238 datblk(t, sizeof(buf)-100, 0); 239 else 240 datblk(t, datsize-t, 0); 241 } 242 243 symsize = 0; 244 lcsize = 0; 245 if(!debug['s']) { 246 if(debug['v']) 247 Bprint(&bso, "%5.2f sym\n", cputime()); 248 Bflush(&bso); 249 switch(HEADTYPE) { 250 case 0: 251 case 4: 252 OFFSET = rnd(HEADR+textsize, 4096)+datsize; 253 seek(cout, OFFSET, 0); 254 break; 255 case 3: 256 case 2: 257 case 1: 258 case 5: 259 case 6: 260 OFFSET = HEADR+textsize+datsize; 261 seek(cout, OFFSET, 0); 262 break; 263 } 264 if(!debug['s']) 265 asmsym(); 266 if(debug['v']) 267 Bprint(&bso, "%5.2f pc\n", cputime()); 268 Bflush(&bso); 269 if(!debug['s']) 270 asmlc(); 271 cflush(); 272 } 273 274 if(debug['v']) 275 Bprint(&bso, "%5.2f header\n", cputime()); 276 Bflush(&bso); 277 OFFSET = 0; 278 seek(cout, OFFSET, 0); 279 switch(HEADTYPE) { 280 case 0: 281 lput(0x160L<<16); /* magic and sections */ 282 lput(0L); /* time and date */ 283 lput(rnd(HEADR+textsize, 4096)+datsize); 284 lput(symsize); /* nsyms */ 285 lput((0x38L<<16)|7L); /* size of optional hdr and flags */ 286 lput((0413<<16)|0437L); /* magic and version */ 287 lput(rnd(HEADR+textsize, 4096)); /* sizes */ 288 lput(datsize); 289 lput(bsssize); 290 lput(entryvalue()); /* va of entry */ 291 lput(INITTEXT-HEADR); /* va of base of text */ 292 lput(INITDAT); /* va of base of data */ 293 lput(INITDAT+datsize); /* va of base of bss */ 294 lput(~0L); /* gp reg mask */ 295 lput(0L); 296 lput(0L); 297 lput(0L); 298 lput(0L); 299 lput(~0L); /* gp value ?? */ 300 break; 301 case 1: 302 lput(0x160L<<16); /* magic and sections */ 303 lput(0L); /* time and date */ 304 lput(HEADR+textsize+datsize); 305 lput(symsize); /* nsyms */ 306 lput((0x38L<<16)|7L); /* size of optional hdr and flags */ 307 308 lput((0407<<16)|0437L); /* magic and version */ 309 lput(textsize); /* sizes */ 310 lput(datsize); 311 lput(bsssize); 312 lput(entryvalue()); /* va of entry */ 313 lput(INITTEXT); /* va of base of text */ 314 lput(INITDAT); /* va of base of data */ 315 lput(INITDAT+datsize); /* va of base of bss */ 316 lput(~0L); /* gp reg mask */ 317 lput(lcsize); 318 lput(0L); 319 lput(0L); 320 lput(0L); 321 lput(~0L); /* gp value ?? */ 322 lput(0L); /* complete mystery */ 323 break; 324 case 2: 325 if (little) 326 t = 24; 327 else 328 t = 16; 329 lput(((((4*t)+0)*t)+7)); /* magic */ 330 lput(textsize); /* sizes */ 331 lput(datsize); 332 lput(bsssize); 333 lput(symsize); /* nsyms */ 334 lput(entryvalue()); /* va of entry */ 335 lput(0L); 336 lput(lcsize); 337 break; 338 case 3: 339 lput((0x160L<<16)|3L); /* magic and sections */ 340 lput(time(0)); /* time and date */ 341 lput(HEADR+textsize+datsize); 342 lput(symsize); /* nsyms */ 343 lput((0x38L<<16)|7L); /* size of optional hdr and flags */ 344 345 lput((0407<<16)|0437L); /* magic and version */ 346 lput(textsize); /* sizes */ 347 lput(datsize); 348 lput(bsssize); 349 lput(entryvalue()); /* va of entry */ 350 lput(INITTEXT); /* va of base of text */ 351 lput(INITDAT); /* va of base of data */ 352 lput(INITDAT+datsize); /* va of base of bss */ 353 lput(~0L); /* gp reg mask */ 354 lput(lcsize); 355 lput(0L); 356 lput(0L); 357 lput(0L); 358 lput(~0L); /* gp value ?? */ 359 360 strnput(".text", 8); /* text segment */ 361 lput(INITTEXT); /* address */ 362 lput(INITTEXT); 363 lput(textsize); 364 lput(HEADR); 365 lput(0L); 366 lput(HEADR+textsize+datsize+symsize); 367 lput(lcsize); /* line number size */ 368 lput(0x20L); /* flags */ 369 370 strnput(".data", 8); /* data segment */ 371 lput(INITDAT); /* address */ 372 lput(INITDAT); 373 lput(datsize); 374 lput(HEADR+textsize); 375 lput(0L); 376 lput(0L); 377 lput(0L); 378 lput(0x40L); /* flags */ 379 380 strnput(".bss", 8); /* bss segment */ 381 lput(INITDAT+datsize); /* address */ 382 lput(INITDAT+datsize); 383 lput(bsssize); 384 lput(0L); 385 lput(0L); 386 lput(0L); 387 lput(0L); 388 lput(0x80L); /* flags */ 389 break; 390 case 4: 391 392 lput((0x160L<<16)|3L); /* magic and sections */ 393 lput(time(0)); /* time and date */ 394 lput(rnd(HEADR+textsize, 4096)+datsize); 395 lput(symsize); /* nsyms */ 396 lput((0x38L<<16)|7L); /* size of optional hdr and flags */ 397 398 lput((0413<<16)|01012L); /* magic and version */ 399 lput(textsize); /* sizes */ 400 lput(datsize); 401 lput(bsssize); 402 lput(entryvalue()); /* va of entry */ 403 lput(INITTEXT); /* va of base of text */ 404 lput(INITDAT); /* va of base of data */ 405 lput(INITDAT+datsize); /* va of base of bss */ 406 lput(~0L); /* gp reg mask */ 407 lput(lcsize); 408 lput(0L); 409 lput(0L); 410 lput(0L); 411 lput(~0L); /* gp value ?? */ 412 413 strnput(".text", 8); /* text segment */ 414 lput(INITTEXT); /* address */ 415 lput(INITTEXT); 416 lput(textsize); 417 lput(HEADR); 418 lput(0L); 419 lput(HEADR+textsize+datsize+symsize); 420 lput(lcsize); /* line number size */ 421 lput(0x20L); /* flags */ 422 423 strnput(".data", 8); /* data segment */ 424 lput(INITDAT); /* address */ 425 lput(INITDAT); 426 lput(datsize); 427 lput(rnd(HEADR+textsize, 4096)); /* sizes */ 428 lput(0L); 429 lput(0L); 430 lput(0L); 431 lput(0x40L); /* flags */ 432 433 strnput(".bss", 8); /* bss segment */ 434 lput(INITDAT+datsize); /* address */ 435 lput(INITDAT+datsize); 436 lput(bsssize); 437 lput(0L); 438 lput(0L); 439 lput(0L); 440 lput(0L); 441 lput(0x80L); /* flags */ 442 break; 443 case 5: 444 elf32(MIPS, little? ELFDATA2LSB: ELFDATA2MSB, 0, nil); 445 break; 446 case 6: 447 break; 448 } 449 cflush(); 450 } 451 452 void 453 strnput(char *s, int n) 454 { 455 for(; *s; s++){ 456 CPUT(*s); 457 n--; 458 } 459 for(; n > 0; n--) 460 CPUT(0); 461 } 462 463 void 464 cflush(void) 465 { 466 int n; 467 468 n = sizeof(buf.cbuf) - cbc; 469 if(n) 470 write(cout, buf.cbuf, n); 471 cbp = buf.cbuf; 472 cbc = sizeof(buf.cbuf); 473 } 474 475 void 476 nopstat(char *f, Count *c) 477 { 478 if(c->outof) 479 Bprint(&bso, "%s delay %ld/%ld (%.2f)\n", f, 480 c->outof - c->count, c->outof, 481 (double)(c->outof - c->count)/c->outof); 482 } 483 484 void 485 asmsym(void) 486 { 487 Prog *p; 488 Auto *a; 489 Sym *s; 490 int h; 491 492 s = lookup("etext", 0); 493 if(s->type == STEXT) 494 putsymb(s->name, 'T', s->value, s->version); 495 496 for(h=0; h<NHASH; h++) 497 for(s=hash[h]; s!=S; s=s->link) 498 switch(s->type) { 499 case SCONST: 500 putsymb(s->name, 'D', s->value, s->version); 501 continue; 502 503 case SSTRING: 504 putsymb(s->name, 'T', s->value, s->version); 505 continue; 506 507 case SDATA: 508 putsymb(s->name, 'D', s->value+INITDAT, s->version); 509 continue; 510 511 case SBSS: 512 putsymb(s->name, 'B', s->value+INITDAT, s->version); 513 continue; 514 515 case SFILE: 516 putsymb(s->name, 'f', s->value, s->version); 517 continue; 518 } 519 520 for(p=textp; p!=P; p=p->cond) { 521 s = p->from.sym; 522 if(s->type != STEXT && s->type != SLEAF) 523 continue; 524 525 /* filenames first */ 526 for(a=p->to.autom; a; a=a->link) 527 if(a->type == D_FILE) 528 putsymb(a->asym->name, 'z', a->aoffset, 0); 529 else 530 if(a->type == D_FILE1) 531 putsymb(a->asym->name, 'Z', a->aoffset, 0); 532 533 if(s->type == STEXT) 534 putsymb(s->name, 'T', s->value, s->version); 535 else 536 putsymb(s->name, 'L', s->value, s->version); 537 538 /* frame, auto and param after */ 539 putsymb(".frame", 'm', p->to.offset+4, 0); 540 for(a=p->to.autom; a; a=a->link) 541 if(a->type == D_AUTO) 542 putsymb(a->asym->name, 'a', -a->aoffset, 0); 543 else 544 if(a->type == D_PARAM) 545 putsymb(a->asym->name, 'p', a->aoffset, 0); 546 } 547 if(debug['v'] || debug['n']) 548 Bprint(&bso, "symsize = %lud\n", symsize); 549 Bflush(&bso); 550 } 551 552 void 553 putsymb(char *s, int t, long v, int ver) 554 { 555 int i, f; 556 557 if(t == 'f') 558 s++; 559 LBEPUT(v); 560 if(ver) 561 t += 'a' - 'A'; 562 CPUT(t+0x80); /* 0x80 is variable length */ 563 564 if(t == 'Z' || t == 'z') { 565 CPUT(s[0]); 566 for(i=1; s[i] != 0 || s[i+1] != 0; i += 2) { 567 CPUT(s[i]); 568 CPUT(s[i+1]); 569 } 570 CPUT(0); 571 CPUT(0); 572 i++; 573 } 574 else { 575 for(i=0; s[i]; i++) 576 CPUT(s[i]); 577 CPUT(0); 578 } 579 symsize += 4 + 1 + i + 1; 580 581 if(debug['n']) { 582 if(t == 'z' || t == 'Z') { 583 Bprint(&bso, "%c %.8lux ", t, v); 584 for(i=1; s[i] != 0 || s[i+1] != 0; i+=2) { 585 f = ((s[i]&0xff) << 8) | (s[i+1]&0xff); 586 Bprint(&bso, "/%x", f); 587 } 588 Bprint(&bso, "\n"); 589 return; 590 } 591 if(ver) 592 Bprint(&bso, "%c %.8lux %s<%d>\n", t, v, s, ver); 593 else 594 Bprint(&bso, "%c %.8lux %s\n", t, v, s); 595 } 596 } 597 598 #define MINLC 4 599 void 600 asmlc(void) 601 { 602 long oldpc, oldlc; 603 Prog *p; 604 long v, s; 605 606 oldpc = INITTEXT; 607 oldlc = 0; 608 for(p = firstp; p != P; p = p->link) { 609 if(p->line == oldlc || p->as == ATEXT || p->as == ANOP) { 610 if(p->as == ATEXT) 611 curtext = p; 612 if(debug['V']) 613 Bprint(&bso, "%6lux %P\n", 614 p->pc, p); 615 continue; 616 } 617 if(debug['V']) 618 Bprint(&bso, "\t\t%6ld", lcsize); 619 v = (p->pc - oldpc) / MINLC; 620 while(v) { 621 s = 127; 622 if(v < 127) 623 s = v; 624 CPUT(s+128); /* 129-255 +pc */ 625 if(debug['V']) 626 Bprint(&bso, " pc+%ld*%d(%ld)", s, MINLC, s+128); 627 v -= s; 628 lcsize++; 629 } 630 s = p->line - oldlc; 631 oldlc = p->line; 632 oldpc = p->pc + MINLC; 633 if(s > 64 || s < -64) { 634 CPUT(0); /* 0 vv +lc */ 635 CPUT(s>>24); 636 CPUT(s>>16); 637 CPUT(s>>8); 638 CPUT(s); 639 if(debug['V']) { 640 if(s > 0) 641 Bprint(&bso, " lc+%ld(%d,%ld)\n", 642 s, 0, s); 643 else 644 Bprint(&bso, " lc%ld(%d,%ld)\n", 645 s, 0, s); 646 Bprint(&bso, "%6lux %P\n", 647 p->pc, p); 648 } 649 lcsize += 5; 650 continue; 651 } 652 if(s > 0) { 653 CPUT(0+s); /* 1-64 +lc */ 654 if(debug['V']) { 655 Bprint(&bso, " lc+%ld(%ld)\n", s, 0+s); 656 Bprint(&bso, "%6lux %P\n", 657 p->pc, p); 658 } 659 } else { 660 CPUT(64-s); /* 65-128 -lc */ 661 if(debug['V']) { 662 Bprint(&bso, " lc%ld(%ld)\n", s, 64-s); 663 Bprint(&bso, "%6lux %P\n", 664 p->pc, p); 665 } 666 } 667 lcsize++; 668 } 669 while(lcsize & 1) { 670 s = 129; 671 CPUT(s); 672 lcsize++; 673 } 674 if(debug['v'] || debug['V']) 675 Bprint(&bso, "lcsize = %ld\n", lcsize); 676 Bflush(&bso); 677 } 678 679 void 680 datblk(long s, long n, int str) 681 { 682 Prog *p; 683 char *cast; 684 long l, fl, j, d; 685 int i, c; 686 687 memset(buf.dbuf, 0, n+100); 688 for(p = datap; p != P; p = p->link) { 689 curp = p; 690 if(str != (p->from.sym->type == SSTRING)) 691 continue; 692 l = p->from.sym->value + p->from.offset - s; 693 c = p->reg; 694 i = 0; 695 if(l < 0) { 696 if(l+c <= 0) 697 continue; 698 while(l < 0) { 699 l++; 700 i++; 701 } 702 } 703 if(l >= n) 704 continue; 705 if(p->as != AINIT && p->as != ADYNT) { 706 for(j=l+(c-i)-1; j>=l; j--) 707 if(buf.dbuf[j]) { 708 print("%P\n", p); 709 diag("multiple initialization"); 710 break; 711 } 712 } 713 switch(p->to.type) { 714 default: 715 diag("unknown mode in initialization\n%P", p); 716 break; 717 718 case D_FCONST: 719 switch(c) { 720 default: 721 case 4: 722 fl = ieeedtof(p->to.ieee); 723 cast = (char*)&fl; 724 for(; i<c; i++) { 725 buf.dbuf[l] = cast[fnuxi8[i+4]]; 726 l++; 727 } 728 break; 729 case 8: 730 cast = (char*)p->to.ieee; 731 for(; i<c; i++) { 732 buf.dbuf[l] = cast[fnuxi8[i]]; 733 l++; 734 } 735 break; 736 } 737 break; 738 739 case D_SCONST: 740 for(; i<c; i++) { 741 buf.dbuf[l] = p->to.sval[i]; 742 l++; 743 } 744 break; 745 746 case D_CONST: 747 d = p->to.offset; 748 if(p->to.sym) { 749 switch(p->to.sym->type) { 750 case STEXT: 751 case SLEAF: 752 case SSTRING: 753 d += p->to.sym->value; 754 break; 755 case SDATA: 756 case SBSS: 757 d += p->to.sym->value + INITDAT; 758 break; 759 } 760 } 761 cast = (char*)&d; 762 switch(c) { 763 default: 764 diag("bad nuxi %d %d\n%P", c, i, curp); 765 break; 766 case 1: 767 for(; i<c; i++) { 768 buf.dbuf[l] = cast[inuxi1[i]]; 769 l++; 770 } 771 break; 772 case 2: 773 for(; i<c; i++) { 774 buf.dbuf[l] = cast[inuxi2[i]]; 775 l++; 776 } 777 break; 778 case 4: 779 for(; i<c; i++) { 780 buf.dbuf[l] = cast[inuxi4[i]]; 781 l++; 782 } 783 break; 784 } 785 break; 786 } 787 } 788 write(cout, buf.dbuf, n); 789 } 790 791 #define OP_RRR(op,r1,r2,r3)\ 792 (op|(((r1)&31L)<<16)|(((r2)&31L)<<21)|(((r3)&31L)<<11)) 793 #define OP_IRR(op,i,r2,r3)\ 794 (op|((i)&0xffffL)|(((r2)&31L)<<21)|(((r3)&31L)<<16)) 795 #define OP_SRR(op,s,r2,r3)\ 796 (op|(((s)&31L)<<6)|(((r2)&31L)<<16)|(((r3)&31L)<<11)) 797 #define OP_FRRR(op,r1,r2,r3)\ 798 (op|(((r1)&31L)<<16)|(((r2)&31L)<<11)|(((r3)&31L)<<6)) 799 #define OP_JMP(op,i)\ 800 ((op)|((i)&0x3ffffffL)) 801 802 #define OP(x,y)\ 803 (((x)<<3)|((y)<<0)) 804 #define SP(x,y)\ 805 (((x)<<29)|((y)<<26)) 806 #define BCOND(x,y)\ 807 (((x)<<19)|((y)<<16)) 808 #define MMU(x,y)\ 809 (SP(2,0)|(16<<21)|((x)<<3)|((y)<<0)) 810 #define FPF(x,y)\ 811 (SP(2,1)|(16<<21)|((x)<<3)|((y)<<0)) 812 #define FPD(x,y)\ 813 (SP(2,1)|(17<<21)|((x)<<3)|((y)<<0)) 814 #define FPW(x,y)\ 815 (SP(2,1)|(20<<21)|((x)<<3)|((y)<<0)) 816 817 int vshift(int); 818 819 int 820 asmout(Prog *p, Optab *o, int aflag) 821 { 822 long o1, o2, o3, o4, o5, o6, o7, v; 823 Prog *ct; 824 int r, a; 825 826 o1 = 0; 827 o2 = 0; 828 o3 = 0; 829 o4 = 0; 830 o5 = 0; 831 o6 = 0; 832 o7 = 0; 833 switch(o->type) { 834 default: 835 diag("unknown type %d", o->type); 836 if(!debug['a']) 837 prasm(p); 838 break; 839 840 case 0: /* pseudo ops */ 841 if(aflag) { 842 if(p->link) { 843 if(p->as == ATEXT) { 844 ct = curtext; 845 o2 = autosize; 846 curtext = p; 847 autosize = p->to.offset + 4; 848 o1 = asmout(p->link, oplook(p->link), aflag); 849 curtext = ct; 850 autosize = o2; 851 } else 852 o1 = asmout(p->link, oplook(p->link), aflag); 853 } 854 return o1; 855 } 856 break; 857 858 case 1: /* mov[v] r1,r2 ==> OR r1,r0,r2 */ 859 o1 = OP_RRR(oprrr(AOR), p->from.reg, REGZERO, p->to.reg); 860 break; 861 862 case 2: /* add/sub r1,[r2],r3 */ 863 r = p->reg; 864 if(r == NREG) 865 r = p->to.reg; 866 o1 = OP_RRR(oprrr(p->as), p->from.reg, r, p->to.reg); 867 break; 868 869 case 3: /* mov $soreg, r ==> or/add $i,o,r */ 870 v = regoff(&p->from); 871 r = p->from.reg; 872 if(r == NREG) 873 r = o->param; 874 a = AADDU; 875 if(o->a1 == C_ANDCON) 876 a = AOR; 877 o1 = OP_IRR(opirr(a), v, r, p->to.reg); 878 break; 879 880 case 4: /* add $scon,[r1],r2 */ 881 v = regoff(&p->from); 882 r = p->reg; 883 if(r == NREG) 884 r = p->to.reg; 885 o1 = OP_IRR(opirr(p->as), v, r, p->to.reg); 886 break; 887 888 case 5: /* syscall */ 889 if(aflag) 890 return 0; 891 o1 = oprrr(p->as); 892 break; 893 894 case 6: /* beq r1,[r2],sbra */ 895 if(aflag) 896 return 0; 897 if(p->cond == P) 898 v = -4 >> 2; 899 else 900 v = (p->cond->pc - pc-4) >> 2; 901 if(((v << 16) >> 16) != v) 902 diag("short branch too far: %ld\n%P", v, p); 903 o1 = OP_IRR(opirr(p->as), v, p->from.reg, p->reg); 904 break; 905 906 case 7: /* mov r, soreg ==> sw o(r) */ 907 r = p->to.reg; 908 if(r == NREG) 909 r = o->param; 910 v = regoff(&p->to); 911 o1 = OP_IRR(opirr(p->as), v, r, p->from.reg); 912 break; 913 914 case 8: /* mov soreg, r ==> lw o(r) */ 915 r = p->from.reg; 916 if(r == NREG) 917 r = o->param; 918 v = regoff(&p->from); 919 o1 = OP_IRR(opirr(p->as+ALAST), v, r, p->to.reg); 920 break; 921 922 case 9: /* asl r1,[r2],r3 */ 923 r = p->reg; 924 if(r == NREG) 925 r = p->to.reg; 926 o1 = OP_RRR(oprrr(p->as), r, p->from.reg, p->to.reg); 927 break; 928 929 case 10: /* add $con,[r1],r2 ==> mov $con,t; add t,[r1],r2 */ 930 v = regoff(&p->from); 931 r = AOR; 932 if(v < 0) 933 r = AADDU; 934 o1 = OP_IRR(opirr(r), v, 0, REGTMP); 935 r = p->reg; 936 if(r == NREG) 937 r = p->to.reg; 938 o2 = OP_RRR(oprrr(p->as), REGTMP, r, p->to.reg); 939 break; 940 941 case 11: /* jmp lbra */ 942 if(aflag) 943 return 0; 944 if(p->cond == P) 945 v = p->pc >> 2; 946 else 947 v = p->cond->pc >> 2; 948 o1 = OP_JMP(opirr(p->as), v); 949 if(!debug['Y'] && p->link && p->cond && isnop(p->link)) { 950 nop.branch.count--; 951 nop.branch.outof--; 952 nop.jump.outof++; 953 o2 = asmout(p->cond, oplook(p->cond), 1); 954 if(o2) { 955 o1 += 1; 956 if(debug['a']) 957 Bprint(&bso, " %.8lux: %.8lux %.8lux%P\n", 958 p->pc, o1, o2, p); 959 LPUT(o1); 960 LPUT(o2); 961 return 1; 962 } 963 } 964 break; 965 966 case 12: /* movbs r,r */ 967 v = 16; 968 if(p->as == AMOVB) 969 v = 24; 970 o1 = OP_SRR(opirr(ASLL), v, p->from.reg, p->to.reg); 971 o2 = OP_SRR(opirr(ASRA), v, p->to.reg, p->to.reg); 972 break; 973 974 case 13: /* movbu r,r */ 975 if(p->as == AMOVBU) 976 o1 = OP_IRR(opirr(AAND), 0xffL, p->from.reg, p->to.reg); 977 else 978 o1 = OP_IRR(opirr(AAND), 0xffffL, p->from.reg, p->to.reg); 979 break; 980 981 case 16: /* sll $c,[r1],r2 */ 982 v = regoff(&p->from); 983 r = p->reg; 984 if(r == NREG) 985 r = p->to.reg; 986 987 /* OP_SRR will use only the low 5 bits of the shift value */ 988 if(v >= 32 && vshift(p->as)) 989 o1 = OP_SRR(opirr(p->as+ALAST), v-32, r, p->to.reg); 990 else 991 o1 = OP_SRR(opirr(p->as), v, r, p->to.reg); 992 break; 993 994 case 18: /* jmp [r1],0(r2) */ 995 if(aflag) 996 return 0; 997 r = p->reg; 998 if(r == NREG) 999 r = o->param; 1000 o1 = OP_RRR(oprrr(p->as), 0, p->to.reg, r); 1001 break; 1002 1003 case 19: /* mov $lcon,r ==> lu+or */ 1004 v = regoff(&p->from); 1005 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, p->to.reg); 1006 o2 = OP_IRR(opirr(AOR), v, p->to.reg, p->to.reg); 1007 break; 1008 1009 case 20: /* mov lohi,r */ 1010 r = OP(2,0); /* mfhi */ 1011 if(p->from.type == D_LO) 1012 r = OP(2,2); /* mflo */ 1013 o1 = OP_RRR(r, REGZERO, REGZERO, p->to.reg); 1014 break; 1015 1016 case 21: /* mov r,lohi */ 1017 r = OP(2,1); /* mthi */ 1018 if(p->to.type == D_LO) 1019 r = OP(2,3); /* mtlo */ 1020 o1 = OP_RRR(r, REGZERO, p->from.reg, REGZERO); 1021 break; 1022 1023 case 22: /* mul r1,r2 */ 1024 o1 = OP_RRR(oprrr(p->as), p->from.reg, p->reg, REGZERO); 1025 break; 1026 1027 case 23: /* add $lcon,r1,r2 ==> lu+or+add */ 1028 v = regoff(&p->from); 1029 if(p->to.reg == REGTMP || p->reg == REGTMP) 1030 diag("cant synthesize large constant\n%P", p); 1031 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1032 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1033 r = p->reg; 1034 if(r == NREG) 1035 r = p->to.reg; 1036 o3 = OP_RRR(oprrr(p->as), REGTMP, r, p->to.reg); 1037 break; 1038 1039 case 24: /* mov $ucon,,r ==> lu r */ 1040 v = regoff(&p->from); 1041 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, p->to.reg); 1042 break; 1043 1044 case 25: /* add/and $ucon,[r1],r2 ==> lu $con,t; add t,[r1],r2 */ 1045 v = regoff(&p->from); 1046 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1047 r = p->reg; 1048 if(r == NREG) 1049 r = p->to.reg; 1050 o2 = OP_RRR(oprrr(p->as), REGTMP, r, p->to.reg); 1051 break; 1052 1053 case 26: /* mov $lsext/auto/oreg,,r2 ==> lu+or+add */ 1054 v = regoff(&p->from); 1055 if(p->to.reg == REGTMP) 1056 diag("cant synthesize large constant\n%P", p); 1057 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1058 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1059 r = p->from.reg; 1060 if(r == NREG) 1061 r = o->param; 1062 o3 = OP_RRR(oprrr(AADDU), REGTMP, r, p->to.reg); 1063 break; 1064 1065 case 27: /* mov [sl]ext/auto/oreg,fr ==> lwc1 o(r) */ 1066 r = p->from.reg; 1067 if(r == NREG) 1068 r = o->param; 1069 v = regoff(&p->from); 1070 switch(o->size) { 1071 case 20: 1072 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1073 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1074 o3 = OP_RRR(oprrr(AADDU), r, REGTMP, REGTMP); 1075 o4 = OP_IRR(opirr(AMOVF+ALAST), 0, REGTMP, p->to.reg+1); 1076 o5 = OP_IRR(opirr(AMOVF+ALAST), 4, REGTMP, p->to.reg); 1077 break; 1078 case 16: 1079 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1080 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1081 o3 = OP_RRR(oprrr(AADDU), r, REGTMP, REGTMP); 1082 o4 = OP_IRR(opirr(AMOVF+ALAST), 0, REGTMP, p->to.reg); 1083 break; 1084 case 8: 1085 o1 = OP_IRR(opirr(AMOVF+ALAST), v, r, p->to.reg+1); 1086 o2 = OP_IRR(opirr(AMOVF+ALAST), v+4, r, p->to.reg); 1087 break; 1088 case 4: 1089 o1 = OP_IRR(opirr(AMOVF+ALAST), v, r, p->to.reg); 1090 break; 1091 } 1092 break; 1093 1094 case 28: /* mov fr,[sl]ext/auto/oreg ==> swc1 o(r) */ 1095 r = p->to.reg; 1096 if(r == NREG) 1097 r = o->param; 1098 v = regoff(&p->to); 1099 switch(o->size) { 1100 case 20: 1101 if(r == REGTMP) 1102 diag("cant synthesize large constant\n%P", p); 1103 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1104 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1105 o3 = OP_RRR(oprrr(AADDU), r, REGTMP, REGTMP); 1106 o4 = OP_IRR(opirr(AMOVF), 0, REGTMP, p->from.reg+1); 1107 o5 = OP_IRR(opirr(AMOVF), 4, REGTMP, p->from.reg); 1108 break; 1109 case 16: 1110 if(r == REGTMP) 1111 diag("cant synthesize large constant\n%P", p); 1112 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1113 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1114 o3 = OP_RRR(oprrr(AADDU), r, REGTMP, REGTMP); 1115 o4 = OP_IRR(opirr(AMOVF), 0, REGTMP, p->from.reg); 1116 break; 1117 case 8: 1118 o1 = OP_IRR(opirr(AMOVF), v, r, p->from.reg+1); 1119 o2 = OP_IRR(opirr(AMOVF), v+4, r, p->from.reg); 1120 break; 1121 case 4: 1122 o1 = OP_IRR(opirr(AMOVF), v, r, p->from.reg); 1123 break; 1124 } 1125 break; 1126 1127 case 30: /* movw r,fr */ 1128 r = SP(2,1)|(4<<21); /* mtc1 */ 1129 o1 = OP_RRR(r, p->from.reg, 0, p->to.reg); 1130 break; 1131 1132 case 31: /* movw fr,r */ 1133 r = SP(2,1)|(0<<21); /* mfc1 */ 1134 o1 = OP_RRR(r, p->to.reg, 0, p->from.reg); 1135 break; 1136 1137 case 32: /* fadd fr1,[fr2],fr3 */ 1138 r = p->reg; 1139 if(r == NREG) 1140 o1 = OP_FRRR(oprrr(p->as), p->from.reg, p->to.reg, p->to.reg); 1141 else 1142 o1 = OP_FRRR(oprrr(p->as), p->from.reg, r, p->to.reg); 1143 break; 1144 1145 case 33: /* fabs fr1,fr3 */ 1146 o1 = OP_FRRR(oprrr(p->as), 0, p->from.reg, p->to.reg); 1147 break; 1148 1149 case 34: /* mov $con,fr ==> or/add $i,r,r2 */ 1150 v = regoff(&p->from); 1151 r = AADDU; 1152 if(o->a1 == C_ANDCON) 1153 r = AOR; 1154 o1 = OP_IRR(opirr(r), v, 0, REGTMP); 1155 o2 = OP_RRR(SP(2,1)|(4<<21), REGTMP, 0, p->to.reg); /* mtc1 */ 1156 break; 1157 1158 case 35: /* mov r,lext/luto/oreg ==> sw o(r) */ 1159 /* 1160 * the lowbits of the constant cannot 1161 * be moved into the offset of the load 1162 * because the mips 4000 in 64-bit mode 1163 * does a 64-bit add and it will screw up. 1164 */ 1165 v = regoff(&p->to); 1166 r = p->to.reg; 1167 if(r == NREG) 1168 r = o->param; 1169 if(r == REGTMP) 1170 diag("cant synthesize large constant\n%P", p); 1171 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1172 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1173 o3 = OP_RRR(oprrr(AADDU), r, REGTMP, REGTMP); 1174 o4 = OP_IRR(opirr(p->as), 0, REGTMP, p->from.reg); 1175 break; 1176 1177 case 36: /* mov lext/lauto/lreg,r ==> lw o(r30) */ 1178 v = regoff(&p->from); 1179 r = p->from.reg; 1180 if(r == NREG) 1181 r = o->param; 1182 if(r == REGTMP) 1183 diag("cant synthesize large constant\n%P", p); 1184 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1185 o2 = OP_IRR(opirr(AOR), v, REGTMP, REGTMP); 1186 o3 = OP_RRR(oprrr(AADDU), r, REGTMP, REGTMP); 1187 o4 = OP_IRR(opirr(p->as+ALAST), 0, REGTMP, p->to.reg); 1188 break; 1189 1190 case 37: /* movw r,mr */ 1191 r = SP(2,0)|(4<<21); /* mtc0 */ 1192 if(p->as == AMOVV) 1193 r = SP(2,0)|(5<<21); /* dmtc0 */ 1194 o1 = OP_RRR(r, p->from.reg, 0, p->to.reg); 1195 break; 1196 1197 case 38: /* movw mr,r */ 1198 r = SP(2,0)|(0<<21); /* mfc0 */ 1199 if(p->as == AMOVV) 1200 r = SP(2,0)|(1<<21); /* dmfc0 */ 1201 o1 = OP_RRR(r, p->to.reg, 0, p->from.reg); 1202 break; 1203 1204 case 39: /* rfe ==> jmp+rfe */ 1205 if(aflag) 1206 return 0; 1207 o1 = OP_RRR(oprrr(AJMP), 0, p->to.reg, REGZERO); 1208 o2 = oprrr(p->as); 1209 break; 1210 1211 case 40: /* word */ 1212 if(aflag) 1213 return 0; 1214 o1 = regoff(&p->to); 1215 break; 1216 1217 case 41: /* movw r,fcr */ 1218 o1 = OP_RRR(SP(2,1)|(2<<21), REGZERO, 0, p->to.reg); /* mfcc1 */ 1219 o2 = OP_RRR(SP(2,1)|(6<<21), p->from.reg, 0, p->to.reg);/* mtcc1 */ 1220 break; 1221 1222 case 42: /* movw fcr,r */ 1223 o1 = OP_RRR(SP(2,1)|(2<<21), p->to.reg, 0, p->from.reg);/* mfcc1 */ 1224 break; 1225 1226 case 45: /* case r */ 1227 if(p->link == P) 1228 v = p->pc+28; 1229 else 1230 v = p->link->pc; 1231 if(v & (1<<15)) 1232 o1 = OP_IRR(opirr(ALAST), (v>>16)+1, REGZERO, REGTMP); 1233 else 1234 o1 = OP_IRR(opirr(ALAST), v>>16, REGZERO, REGTMP); 1235 o2 = OP_SRR(opirr(ASLL), 2, p->from.reg, p->from.reg); 1236 o3 = OP_RRR(oprrr(AADD), p->from.reg, REGTMP, REGTMP); 1237 o4 = OP_IRR(opirr(AMOVW+ALAST), v, REGTMP, REGTMP); 1238 o5 = OP_RRR(oprrr(ANOR), REGZERO, REGZERO, REGZERO); 1239 o6 = OP_RRR(oprrr(AJMP), 0, REGTMP, REGZERO); 1240 o7 = OP_RRR(oprrr(ANOR), REGZERO, REGZERO, REGZERO); 1241 break; 1242 1243 case 46: /* bcase $con,lbra */ 1244 if(p->cond == P) 1245 v = p->pc; 1246 else 1247 v = p->cond->pc; 1248 o1 = v; 1249 break; 1250 } 1251 if(aflag) 1252 return o1; 1253 v = p->pc; 1254 switch(o->size) { 1255 default: 1256 if(debug['a']) 1257 Bprint(&bso, " %.8lux:\t\t%P\n", v, p); 1258 break; 1259 case 4: 1260 if(debug['a']) 1261 Bprint(&bso, " %.8lux: %.8lux\t%P\n", v, o1, p); 1262 LPUT(o1); 1263 break; 1264 case 8: 1265 if(debug['a']) 1266 Bprint(&bso, " %.8lux: %.8lux %.8lux%P\n", v, o1, o2, p); 1267 LPUT(o1); 1268 LPUT(o2); 1269 break; 1270 case 12: 1271 if(debug['a']) 1272 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux%P\n", v, o1, o2, o3, p); 1273 LPUT(o1); 1274 LPUT(o2); 1275 LPUT(o3); 1276 break; 1277 case 16: 1278 if(debug['a']) 1279 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux%P\n", 1280 v, o1, o2, o3, o4, p); 1281 LPUT(o1); 1282 LPUT(o2); 1283 LPUT(o3); 1284 LPUT(o4); 1285 break; 1286 case 20: 1287 if(debug['a']) 1288 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %.8lux%P\n", 1289 v, o1, o2, o3, o4, o5, p); 1290 LPUT(o1); 1291 LPUT(o2); 1292 LPUT(o3); 1293 LPUT(o4); 1294 LPUT(o5); 1295 break; 1296 1297 case 28: 1298 if(debug['a']) 1299 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %.8lux %.8lux %.8lux%P\n", 1300 v, o1, o2, o3, o4, o5, o6, o7, p); 1301 LPUT(o1); 1302 LPUT(o2); 1303 LPUT(o3); 1304 LPUT(o4); 1305 LPUT(o5); 1306 LPUT(o6); 1307 LPUT(o7); 1308 break; 1309 } 1310 return 0; 1311 } 1312 1313 int 1314 isnop(Prog *p) 1315 { 1316 if(p->as != ANOR) 1317 return 0; 1318 if(p->reg != REGZERO && p->reg != NREG) 1319 return 0; 1320 if(p->from.type != D_REG || p->from.reg != REGZERO) 1321 return 0; 1322 if(p->to.type != D_REG || p->to.reg != REGZERO) 1323 return 0; 1324 return 1; 1325 } 1326 1327 long 1328 oprrr(int a) 1329 { 1330 switch(a) { 1331 case AADD: return OP(4,0); 1332 case AADDU: return OP(4,1); 1333 case ASGT: return OP(5,2); 1334 case ASGTU: return OP(5,3); 1335 case AAND: return OP(4,4); 1336 case AOR: return OP(4,5); 1337 case AXOR: return OP(4,6); 1338 case ASUB: return OP(4,2); 1339 case ASUBU: return OP(4,3); 1340 case ANOR: return OP(4,7); 1341 case ASLL: return OP(0,4); 1342 case ASRL: return OP(0,6); 1343 case ASRA: return OP(0,7); 1344 1345 case AREM: 1346 case ADIV: return OP(3,2); 1347 case AREMU: 1348 case ADIVU: return OP(3,3); 1349 case AMUL: return OP(3,0); 1350 case AMULU: return OP(3,1); 1351 1352 case AJMP: return OP(1,0); 1353 case AJAL: return OP(1,1); 1354 1355 case ABREAK: return OP(1,5); 1356 case ASYSCALL: return OP(1,4); 1357 case ATLBP: return MMU(1,0); 1358 case ATLBR: return MMU(0,1); 1359 case ATLBWI: return MMU(0,2); 1360 case ATLBWR: return MMU(0,6); 1361 case ARFE: return MMU(2,0); 1362 1363 case ADIVF: return FPF(0,3); 1364 case ADIVD: return FPD(0,3); 1365 case AMULF: return FPF(0,2); 1366 case AMULD: return FPD(0,2); 1367 case ASUBF: return FPF(0,1); 1368 case ASUBD: return FPD(0,1); 1369 case AADDF: return FPF(0,0); 1370 case AADDD: return FPD(0,0); 1371 1372 case AMOVFW: return FPF(4,4); 1373 case AMOVDW: return FPD(4,4); 1374 case AMOVWF: return FPW(4,0); 1375 case AMOVDF: return FPD(4,0); 1376 case AMOVWD: return FPW(4,1); 1377 case AMOVFD: return FPF(4,1); 1378 case AABSF: return FPF(0,5); 1379 case AABSD: return FPD(0,5); 1380 case AMOVF: return FPF(0,6); 1381 case AMOVD: return FPD(0,6); 1382 case ANEGF: return FPF(0,7); 1383 case ANEGD: return FPD(0,7); 1384 1385 case ACMPEQF: return FPF(6,2); 1386 case ACMPEQD: return FPD(6,2); 1387 case ACMPGTF: return FPF(7,4); 1388 case ACMPGTD: return FPD(7,4); 1389 case ACMPGEF: return FPF(7,6); 1390 case ACMPGED: return FPD(7,6); 1391 1392 case ADIVV: return OP(3,6); 1393 case ADIVVU: return OP(3,7); 1394 case AADDV: return OP(5,4); 1395 case AADDVU: return OP(5,5); 1396 } 1397 diag("bad rrr %d", a); 1398 return 0; 1399 } 1400 1401 long 1402 opirr(int a) 1403 { 1404 switch(a) { 1405 case AADD: return SP(1,0); 1406 case AADDU: return SP(1,1); 1407 case ASGT: return SP(1,2); 1408 case ASGTU: return SP(1,3); 1409 case AAND: return SP(1,4); 1410 case AOR: return SP(1,5); 1411 case AXOR: return SP(1,6); 1412 case ALAST: return SP(1,7); 1413 case ASLL: return OP(0,0); 1414 case ASRL: return OP(0,2); 1415 case ASRA: return OP(0,3); 1416 1417 case AJMP: return SP(0,2); 1418 case AJAL: return SP(0,3); 1419 case ABEQ: return SP(0,4); 1420 case ABNE: return SP(0,5); 1421 1422 case ABGEZ: return SP(0,1)|BCOND(0,1); 1423 case ABGEZAL: return SP(0,1)|BCOND(2,1); 1424 case ABGTZ: return SP(0,7); 1425 case ABLEZ: return SP(0,6); 1426 case ABLTZ: return SP(0,1)|BCOND(0,0); 1427 case ABLTZAL: return SP(0,1)|BCOND(2,0); 1428 1429 case ABFPT: return SP(2,1)|(257<<16); 1430 case ABFPF: return SP(2,1)|(256<<16); 1431 1432 case AMOVB: 1433 case AMOVBU: return SP(5,0); 1434 case AMOVH: 1435 case AMOVHU: return SP(5,1); 1436 case AMOVW: return SP(5,3); 1437 case AMOVV: return SP(7,7); 1438 case AMOVF: return SP(7,1); 1439 case AMOVWL: return SP(5,2); 1440 case AMOVWR: return SP(5,6); 1441 case AMOVVL: return SP(5,4); 1442 case AMOVVR: return SP(5,5); 1443 1444 case ABREAK: return SP(5,7); 1445 1446 case AMOVWL+ALAST: return SP(4,2); 1447 case AMOVWR+ALAST: return SP(4,6); 1448 case AMOVVL+ALAST: return SP(3,2); 1449 case AMOVVR+ALAST: return SP(3,3); 1450 case AMOVB+ALAST: return SP(4,0); 1451 case AMOVBU+ALAST: return SP(4,4); 1452 case AMOVH+ALAST: return SP(4,1); 1453 case AMOVHU+ALAST: return SP(4,5); 1454 case AMOVW+ALAST: return SP(4,3); 1455 case AMOVV+ALAST: return SP(6,7); 1456 case AMOVF+ALAST: return SP(6,1); 1457 1458 case ASLLV: return OP(7,0); 1459 case ASRLV: return OP(7,2); 1460 case ASRAV: return OP(7,3); 1461 case ASLLV+ALAST: return OP(7,4); 1462 case ASRLV+ALAST: return OP(7,6); 1463 case ASRAV+ALAST: return OP(7,7); 1464 1465 case AADDV: return SP(3,0); 1466 case AADDVU: return SP(3,1); 1467 } 1468 diag("bad irr %d", a); 1469 abort(); 1470 return 0; 1471 } 1472 1473 int 1474 vshift(int a) 1475 { 1476 switch(a){ 1477 case ASLLV: return 1; 1478 case ASRLV: return 1; 1479 case ASRAV: return 1; 1480 } 1481 return 0; 1482 } 1483