openrisc-opc.c 18.6 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707
/* Instruction opcode table for openrisc.

THIS FILE IS MACHINE GENERATED WITH CGEN.

Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.

This file is part of the GNU Binutils and/or GDB, the GNU debugger.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*/

#include "sysdep.h"
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
#include "openrisc-desc.h"
#include "openrisc-opc.h"
#include "libiberty.h"

/* -- opc.c */
/* -- */
/* The hash functions are recorded here to help keep assembler code out of
   the disassembler and vice versa.  */

static int asm_hash_insn_p PARAMS ((const CGEN_INSN *));
static unsigned int asm_hash_insn PARAMS ((const char *));
static int dis_hash_insn_p PARAMS ((const CGEN_INSN *));
static unsigned int dis_hash_insn PARAMS ((const char *, CGEN_INSN_INT));

/* Instruction formats.  */

#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
#else
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
#endif
static const CGEN_IFMT ifmt_empty = {
  0, 0, 0x0, { { 0 } }
};

static const CGEN_IFMT ifmt_l_j = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_ABS26) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_jr = {
  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_bal = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_DISP26) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_movhi = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_mfsr = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_mtsr = {
  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_I16_1) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_lw = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_sw = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R3) }, { F (F_I16NC) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_sll = {
  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_3) }, { F (F_OP6) }, { F (F_F_4_1) }, { F (F_OP7) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_slli = {
  32, 32, 0xfc00ffe0, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_F_15_8) }, { F (F_OP6) }, { F (F_UIMM5) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_add = {
  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_7) }, { F (F_OP7) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_addi = {
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_LO16) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_sfgts = {
  32, 32, 0xffe007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_11) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_sfgtsi = {
  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_l_sfgtui = {
  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
};

#undef F

#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define A(a) (1 << CGEN_INSN_##a)
#else
#define A(a) (1 << CGEN_INSN_/**/a)
#endif
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define OPERAND(op) OPENRISC_OPERAND_##op
#else
#define OPERAND(op) OPENRISC_OPERAND_/**/op
#endif
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))

/* The instruction table.  */

static const CGEN_OPCODE openrisc_cgen_insn_opcode_table[MAX_INSNS] =
{
  /* Special null first entry.
     A `num' value of zero is thus invalid.
     Also, the special `invalid' insn resides here.  */
  { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
/* l.j ${abs-26} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (ABS_26), 0 } },
    & ifmt_l_j, { 0x0 }
  },
/* l.jal ${abs-26} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (ABS_26), 0 } },
    & ifmt_l_j, { 0x4000000 }
  },
/* l.jr $rA */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), 0 } },
    & ifmt_l_jr, { 0x14000000 }
  },
/* l.jalr $rA */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), 0 } },
    & ifmt_l_jr, { 0x14200000 }
  },
/* l.bal ${disp-26} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (DISP_26), 0 } },
    & ifmt_l_bal, { 0x8000000 }
  },
/* l.bnf ${disp-26} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (DISP_26), 0 } },
    & ifmt_l_bal, { 0xc000000 }
  },
/* l.bf ${disp-26} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (DISP_26), 0 } },
    & ifmt_l_bal, { 0x10000000 }
  },
/* l.brk ${uimm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (UIMM_16), 0 } },
    & ifmt_l_jr, { 0x17000000 }
  },
/* l.rfe $rA */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), 0 } },
    & ifmt_l_jr, { 0x14400000 }
  },
/* l.sys ${uimm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (UIMM_16), 0 } },
    & ifmt_l_jr, { 0x16000000 }
  },
/* l.nop */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_l_jr, { 0x15000000 }
  },
/* l.movhi $rD,$hi16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (HI16), 0 } },
    & ifmt_l_movhi, { 0x18000000 }
  },
/* l.mfsr $rD,$rA */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), 0 } },
    & ifmt_l_mfsr, { 0x1c000000 }
  },
/* l.mtsr $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_mtsr, { 0x40000000 }
  },
/* l.lw $rD,${simm-16}($rA) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
    & ifmt_l_lw, { 0x80000000 }
  },
/* l.lbz $rD,${simm-16}($rA) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
    & ifmt_l_lw, { 0x84000000 }
  },
/* l.lbs $rD,${simm-16}($rA) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
    & ifmt_l_lw, { 0x88000000 }
  },
/* l.lhz $rD,${simm-16}($rA) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
    & ifmt_l_lw, { 0x8c000000 }
  },
/* l.lhs $rD,${simm-16}($rA) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
    & ifmt_l_lw, { 0x90000000 }
  },
/* l.sw ${ui16nc}($rA),$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
    & ifmt_l_sw, { 0xd4000000 }
  },
/* l.sb ${ui16nc}($rA),$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
    & ifmt_l_sw, { 0xd8000000 }
  },
/* l.sh ${ui16nc}($rA),$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
    & ifmt_l_sw, { 0xdc000000 }
  },
/* l.sll $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sll, { 0xe0000008 }
  },
/* l.slli $rD,$rA,${uimm-5} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
    & ifmt_l_slli, { 0xb4000000 }
  },
/* l.srl $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sll, { 0xe0000028 }
  },
/* l.srli $rD,$rA,${uimm-5} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
    & ifmt_l_slli, { 0xb4000020 }
  },
/* l.sra $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sll, { 0xe0000048 }
  },
/* l.srai $rD,$rA,${uimm-5} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
    & ifmt_l_slli, { 0xb4000040 }
  },
/* l.ror $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sll, { 0xe0000088 }
  },
/* l.rori $rD,$rA,${uimm-5} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
    & ifmt_l_slli, { 0xb4000080 }
  },
/* l.add $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000000 }
  },
/* l.addi $rD,$rA,$lo16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
    & ifmt_l_addi, { 0x94000000 }
  },
/* l.sub $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000002 }
  },
/* l.subi $rD,$rA,$lo16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
    & ifmt_l_addi, { 0x9c000000 }
  },
/* l.and $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000003 }
  },
/* l.andi $rD,$rA,$lo16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
    & ifmt_l_addi, { 0xa0000000 }
  },
/* l.or $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000004 }
  },
/* l.ori $rD,$rA,$lo16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
    & ifmt_l_addi, { 0xa4000000 }
  },
/* l.xor $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000005 }
  },
/* l.xori $rD,$rA,$lo16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
    & ifmt_l_addi, { 0xa8000000 }
  },
/* l.mul $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000006 }
  },
/* l.muli $rD,$rA,$lo16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
    & ifmt_l_addi, { 0xac000000 }
  },
/* l.div $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe0000009 }
  },
/* l.divu $rD,$rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_add, { 0xe000000a }
  },
/* l.sfgts $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4c00000 }
  },
/* l.sfgtu $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4400000 }
  },
/* l.sfges $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4e00000 }
  },
/* l.sfgeu $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4600000 }
  },
/* l.sflts $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe5000000 }
  },
/* l.sfltu $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4800000 }
  },
/* l.sfles $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe5200000 }
  },
/* l.sfleu $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4a00000 }
  },
/* l.sfgtsi $rA,${simm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
    & ifmt_l_sfgtsi, { 0xb8c00000 }
  },
/* l.sfgtui $rA,${uimm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
    & ifmt_l_sfgtui, { 0xb8400000 }
  },
/* l.sfgesi $rA,${simm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
    & ifmt_l_sfgtsi, { 0xb8e00000 }
  },
/* l.sfgeui $rA,${uimm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
    & ifmt_l_sfgtui, { 0xb8600000 }
  },
/* l.sfltsi $rA,${simm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
    & ifmt_l_sfgtsi, { 0xb9000000 }
  },
/* l.sfltui $rA,${uimm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
    & ifmt_l_sfgtui, { 0xb8800000 }
  },
/* l.sflesi $rA,${simm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
    & ifmt_l_sfgtsi, { 0xb9200000 }
  },
/* l.sfleui $rA,${uimm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
    & ifmt_l_sfgtui, { 0xb8a00000 }
  },
/* l.sfeq $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4000000 }
  },
/* l.sfeqi $rA,${simm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
    & ifmt_l_sfgtsi, { 0xb8000000 }
  },
/* l.sfne $rA,$rB */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
    & ifmt_l_sfgts, { 0xe4200000 }
  },
/* l.sfnei $rA,${simm-16} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
    & ifmt_l_sfgtsi, { 0xb8200000 }
  },
};

#undef A
#undef OPERAND
#undef MNEM
#undef OP

/* Formats for ALIAS macro-insns.  */

#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
#else
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
#endif
static const CGEN_IFMT ifmt_l_ret = {
  32, 32, 0xffffffff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
};

#undef F

/* Each non-simple macro entry points to an array of expansion possibilities.  */

#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define A(a) (1 << CGEN_INSN_##a)
#else
#define A(a) (1 << CGEN_INSN_/**/a)
#endif
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
#define OPERAND(op) OPENRISC_OPERAND_##op
#else
#define OPERAND(op) OPENRISC_OPERAND_/**/op
#endif
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))

/* The macro instruction table.  */

static const CGEN_IBASE openrisc_cgen_macro_insn_table[] =
{
/* l.ret */
  {
    -1, "l-ret", "l.ret", 32,
    { 0|A(ALIAS), { (1<<MACH_BASE) } }
  },
};

/* The macro instruction opcode table.  */

static const CGEN_OPCODE openrisc_cgen_macro_insn_opcode_table[] =
{
/* l.ret */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_l_ret, { 0x140b0000 }
  },
};

#undef A
#undef OPERAND
#undef MNEM
#undef OP

#ifndef CGEN_ASM_HASH_P
#define CGEN_ASM_HASH_P(insn) 1
#endif

#ifndef CGEN_DIS_HASH_P
#define CGEN_DIS_HASH_P(insn) 1
#endif

/* Return non-zero if INSN is to be added to the hash table.
   Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */

static int
asm_hash_insn_p (insn)
     const CGEN_INSN *insn ATTRIBUTE_UNUSED;
{
  return CGEN_ASM_HASH_P (insn);
}

static int
dis_hash_insn_p (insn)
     const CGEN_INSN *insn;
{
  /* If building the hash table and the NO-DIS attribute is present,
     ignore.  */
  if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
    return 0;
  return CGEN_DIS_HASH_P (insn);
}

#ifndef CGEN_ASM_HASH
#define CGEN_ASM_HASH_SIZE 127
#ifdef CGEN_MNEMONIC_OPERANDS
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
#else
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
#endif
#endif

/* It doesn't make much sense to provide a default here,
   but while this is under development we do.
   BUFFER is a pointer to the bytes of the insn, target order.
   VALUE is the first base_insn_bitsize bits as an int in host order.  */

#ifndef CGEN_DIS_HASH
#define CGEN_DIS_HASH_SIZE 256
#define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
#endif

/* The result is the hash value of the insn.
   Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */

static unsigned int
asm_hash_insn (mnem)
     const char * mnem;
{
  return CGEN_ASM_HASH (mnem);
}

/* BUF is a pointer to the bytes of the insn, target order.
   VALUE is the first base_insn_bitsize bits as an int in host order.  */

static unsigned int
dis_hash_insn (buf, value)
     const char * buf ATTRIBUTE_UNUSED;
     CGEN_INSN_INT value ATTRIBUTE_UNUSED;
{
  return CGEN_DIS_HASH (buf, value);
}

static void set_fields_bitsize PARAMS ((CGEN_FIELDS *, int));

/* Set the recorded length of the insn in the CGEN_FIELDS struct.  */

static void
set_fields_bitsize (fields, size)
     CGEN_FIELDS *fields;
     int size;
{
  CGEN_FIELDS_BITSIZE (fields) = size;
}

/* Function to call before using the operand instance table.
   This plugs the opcode entries and macro instructions into the cpu table.  */

void
openrisc_cgen_init_opcode_table (cd)
     CGEN_CPU_DESC cd;
{
  int i;
  int num_macros = (sizeof (openrisc_cgen_macro_insn_table) /
		    sizeof (openrisc_cgen_macro_insn_table[0]));
  const CGEN_IBASE *ib = & openrisc_cgen_macro_insn_table[0];
  const CGEN_OPCODE *oc = & openrisc_cgen_macro_insn_opcode_table[0];
  CGEN_INSN *insns = (CGEN_INSN *) xmalloc (num_macros * sizeof (CGEN_INSN));
  memset (insns, 0, num_macros * sizeof (CGEN_INSN));
  for (i = 0; i < num_macros; ++i)
    {
      insns[i].base = &ib[i];
      insns[i].opcode = &oc[i];
      openrisc_cgen_build_insn_regex (& insns[i]);
    }
  cd->macro_insn_table.init_entries = insns;
  cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
  cd->macro_insn_table.num_init_entries = num_macros;

  oc = & openrisc_cgen_insn_opcode_table[0];
  insns = (CGEN_INSN *) cd->insn_table.init_entries;
  for (i = 0; i < MAX_INSNS; ++i)
    {
      insns[i].opcode = &oc[i];
      openrisc_cgen_build_insn_regex (& insns[i]);
    }

  cd->sizeof_fields = sizeof (CGEN_FIELDS);
  cd->set_fields_bitsize = set_fields_bitsize;

  cd->asm_hash_p = asm_hash_insn_p;
  cd->asm_hash = asm_hash_insn;
  cd->asm_hash_size = CGEN_ASM_HASH_SIZE;

  cd->dis_hash_p = dis_hash_insn_p;
  cd->dis_hash = dis_hash_insn;
  cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
}