opcodes/lm32-opc.c

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
   2 /* Instruction opcode table for lm32.
   3
   4 THIS FILE IS MACHINE GENERATED WITH CGEN.
   5
   6 Copyright (C) 1996-2024 Free Software Foundation, Inc.
   7
   8 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
   9
  10    This file is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    It is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License along
  21    with this program; if not, write to the Free Software Foundation, Inc.,
  22    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  23
  24 */
  25
  26 #include "sysdep.h"
  27 #include "ansidecl.h"
  28 #include "bfd.h"
  29 #include "symcat.h"
  30 #include "lm32-desc.h"
  31 #include "lm32-opc.h"
  32 #include "libiberty.h"
  33
  34 /* The hash functions are recorded here to help keep assembler code out of
  35    the disassembler and vice versa.  */
  36
  37 static int asm_hash_insn_p        (const CGEN_INSN *);
  38 static unsigned int asm_hash_insn (const char *);
  39 static int dis_hash_insn_p        (const CGEN_INSN *);
  40 static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT);
  41
  42 /* Instruction formats.  */
  43
  44 #define F(f) & lm32_cgen_ifld_table[LM32_##f]
  45 static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = {
  46   0, 0, 0x0, { { 0 } }
  47 };
  48
  49 static const CGEN_IFMT ifmt_add ATTRIBUTE_UNUSED = {
  50   32, 32, 0xfc0007ff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  51 };
  52
  53 static const CGEN_IFMT ifmt_addi ATTRIBUTE_UNUSED = {
  54   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
  55 };
  56
  57 static const CGEN_IFMT ifmt_andi ATTRIBUTE_UNUSED = {
  58   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
  59 };
  60
  61 static const CGEN_IFMT ifmt_andhii ATTRIBUTE_UNUSED = {
  62   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
  63 };
  64
  65 static const CGEN_IFMT ifmt_b ATTRIBUTE_UNUSED = {
  66   32, 32, 0xfc1fffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  67 };
  68
  69 static const CGEN_IFMT ifmt_bi ATTRIBUTE_UNUSED = {
  70   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_CALL) }, { 0 } }
  71 };
  72
  73 static const CGEN_IFMT ifmt_be ATTRIBUTE_UNUSED = {
  74   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_BRANCH) }, { 0 } }
  75 };
  76
  77 static const CGEN_IFMT ifmt_ori ATTRIBUTE_UNUSED = {
  78   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
  79 };
  80
  81 static const CGEN_IFMT ifmt_rcsr ATTRIBUTE_UNUSED = {
  82   32, 32, 0xfc1f07ff, { { F (F_OPCODE) }, { F (F_CSR) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  83 };
  84
  85 static const CGEN_IFMT ifmt_sextb ATTRIBUTE_UNUSED = {
  86   32, 32, 0xfc1f07ff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  87 };
  88
  89 static const CGEN_IFMT ifmt_user ATTRIBUTE_UNUSED = {
  90   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_USER) }, { 0 } }
  91 };
  92
  93 static const CGEN_IFMT ifmt_wcsr ATTRIBUTE_UNUSED = {
  94   32, 32, 0xfc00ffff, { { F (F_OPCODE) }, { F (F_CSR) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  95 };
  96
  97 static const CGEN_IFMT ifmt_break ATTRIBUTE_UNUSED = {
  98   32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_EXCEPTION) }, { 0 } }
  99 };
 100
 101 static const CGEN_IFMT ifmt_bret ATTRIBUTE_UNUSED = {
 102   32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
 103 };
 104
 105 static const CGEN_IFMT ifmt_mvi ATTRIBUTE_UNUSED = {
 106   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 107 };
 108
 109 static const CGEN_IFMT ifmt_mvui ATTRIBUTE_UNUSED = {
 110   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
 111 };
 112
 113 static const CGEN_IFMT ifmt_mvhi ATTRIBUTE_UNUSED = {
 114   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
 115 };
 116
 117 static const CGEN_IFMT ifmt_mva ATTRIBUTE_UNUSED = {
 118   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 119 };
 120
 121 static const CGEN_IFMT ifmt_nop ATTRIBUTE_UNUSED = {
 122   32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 123 };
 124
 125 static const CGEN_IFMT ifmt_lwgotrel ATTRIBUTE_UNUSED = {
 126   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 127 };
 128
 129 static const CGEN_IFMT ifmt_orhigotoffi ATTRIBUTE_UNUSED = {
 130   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 131 };
 132
 133 static const CGEN_IFMT ifmt_addgotoff ATTRIBUTE_UNUSED = {
 134   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 135 };
 136
 137 #undef F
 138
 139 #define A(a) (1 << CGEN_INSN_##a)
 140 #define OPERAND(op) LM32_OPERAND_##op
 141 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
 142 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 143
 144 /* The instruction table.  */
 145
 146 static const CGEN_OPCODE lm32_cgen_insn_opcode_table[MAX_INSNS] =
 147 {
 148   /* Special null first entry.
 149      A `num' value of zero is thus invalid.
 150      Also, the special `invalid' insn resides here.  */
 151   { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
 152 /* add $r2,$r0,$r1 */
 153   {
 154     { 0, 0, 0, 0 },
 155     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 156     & ifmt_add, { 0xb4000000 }
 157   },
 158 /* addi $r1,$r0,$imm */
 159   {
 160     { 0, 0, 0, 0 },
 161     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 162     & ifmt_addi, { 0x34000000 }
 163   },
 164 /* and $r2,$r0,$r1 */
 165   {
 166     { 0, 0, 0, 0 },
 167     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 168     & ifmt_add, { 0xa0000000 }
 169   },
 170 /* andi $r1,$r0,$uimm */
 171   {
 172     { 0, 0, 0, 0 },
 173     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 174     & ifmt_andi, { 0x20000000 }
 175   },
 176 /* andhi $r1,$r0,$hi16 */
 177   {
 178     { 0, 0, 0, 0 },
 179     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (HI16), 0 } },
 180     & ifmt_andhii, { 0x60000000 }
 181   },
 182 /* b $r0 */
 183   {
 184     { 0, 0, 0, 0 },
 185     { { MNEM, ' ', OP (R0), 0 } },
 186     & ifmt_b, { 0xc0000000 }
 187   },
 188 /* bi $call */
 189   {
 190     { 0, 0, 0, 0 },
 191     { { MNEM, ' ', OP (CALL), 0 } },
 192     & ifmt_bi, { 0xe0000000 }
 193   },
 194 /* be $r0,$r1,$branch */
 195   {
 196     { 0, 0, 0, 0 },
 197     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 198     & ifmt_be, { 0x44000000 }
 199   },
 200 /* bg $r0,$r1,$branch */
 201   {
 202     { 0, 0, 0, 0 },
 203     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 204     & ifmt_be, { 0x48000000 }
 205   },
 206 /* bge $r0,$r1,$branch */
 207   {
 208     { 0, 0, 0, 0 },
 209     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 210     & ifmt_be, { 0x4c000000 }
 211   },
 212 /* bgeu $r0,$r1,$branch */
 213   {
 214     { 0, 0, 0, 0 },
 215     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 216     & ifmt_be, { 0x50000000 }
 217   },
 218 /* bgu $r0,$r1,$branch */
 219   {
 220     { 0, 0, 0, 0 },
 221     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 222     & ifmt_be, { 0x54000000 }
 223   },
 224 /* bne $r0,$r1,$branch */
 225   {
 226     { 0, 0, 0, 0 },
 227     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 228     & ifmt_be, { 0x5c000000 }
 229   },
 230 /* call $r0 */
 231   {
 232     { 0, 0, 0, 0 },
 233     { { MNEM, ' ', OP (R0), 0 } },
 234     & ifmt_b, { 0xd8000000 }
 235   },
 236 /* calli $call */
 237   {
 238     { 0, 0, 0, 0 },
 239     { { MNEM, ' ', OP (CALL), 0 } },
 240     & ifmt_bi, { 0xf8000000 }
 241   },
 242 /* cmpe $r2,$r0,$r1 */
 243   {
 244     { 0, 0, 0, 0 },
 245     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 246     & ifmt_add, { 0xe4000000 }
 247   },
 248 /* cmpei $r1,$r0,$imm */
 249   {
 250     { 0, 0, 0, 0 },
 251     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 252     & ifmt_addi, { 0x64000000 }
 253   },
 254 /* cmpg $r2,$r0,$r1 */
 255   {
 256     { 0, 0, 0, 0 },
 257     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 258     & ifmt_add, { 0xe8000000 }
 259   },
 260 /* cmpgi $r1,$r0,$imm */
 261   {
 262     { 0, 0, 0, 0 },
 263     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 264     & ifmt_addi, { 0x68000000 }
 265   },
 266 /* cmpge $r2,$r0,$r1 */
 267   {
 268     { 0, 0, 0, 0 },
 269     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 270     & ifmt_add, { 0xec000000 }
 271   },
 272 /* cmpgei $r1,$r0,$imm */
 273   {
 274     { 0, 0, 0, 0 },
 275     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 276     & ifmt_addi, { 0x6c000000 }
 277   },
 278 /* cmpgeu $r2,$r0,$r1 */
 279   {
 280     { 0, 0, 0, 0 },
 281     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 282     & ifmt_add, { 0xf0000000 }
 283   },
 284 /* cmpgeui $r1,$r0,$uimm */
 285   {
 286     { 0, 0, 0, 0 },
 287     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 288     & ifmt_andi, { 0x70000000 }
 289   },
 290 /* cmpgu $r2,$r0,$r1 */
 291   {
 292     { 0, 0, 0, 0 },
 293     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 294     & ifmt_add, { 0xf4000000 }
 295   },
 296 /* cmpgui $r1,$r0,$uimm */
 297   {
 298     { 0, 0, 0, 0 },
 299     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 300     & ifmt_andi, { 0x74000000 }
 301   },
 302 /* cmpne $r2,$r0,$r1 */
 303   {
 304     { 0, 0, 0, 0 },
 305     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 306     & ifmt_add, { 0xfc000000 }
 307   },
 308 /* cmpnei $r1,$r0,$imm */
 309   {
 310     { 0, 0, 0, 0 },
 311     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 312     & ifmt_addi, { 0x7c000000 }
 313   },
 314 /* divu $r2,$r0,$r1 */
 315   {
 316     { 0, 0, 0, 0 },
 317     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 318     & ifmt_add, { 0x8c000000 }
 319   },
 320 /* lb $r1,($r0+$imm) */
 321   {
 322     { 0, 0, 0, 0 },
 323     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 324     & ifmt_addi, { 0x10000000 }
 325   },
 326 /* lbu $r1,($r0+$imm) */
 327   {
 328     { 0, 0, 0, 0 },
 329     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 330     & ifmt_addi, { 0x40000000 }
 331   },
 332 /* lh $r1,($r0+$imm) */
 333   {
 334     { 0, 0, 0, 0 },
 335     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 336     & ifmt_addi, { 0x1c000000 }
 337   },
 338 /* lhu $r1,($r0+$imm) */
 339   {
 340     { 0, 0, 0, 0 },
 341     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 342     & ifmt_addi, { 0x2c000000 }
 343   },
 344 /* lw $r1,($r0+$imm) */
 345   {
 346     { 0, 0, 0, 0 },
 347     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 348     & ifmt_addi, { 0x28000000 }
 349   },
 350 /* modu $r2,$r0,$r1 */
 351   {
 352     { 0, 0, 0, 0 },
 353     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 354     & ifmt_add, { 0xc4000000 }
 355   },
 356 /* mul $r2,$r0,$r1 */
 357   {
 358     { 0, 0, 0, 0 },
 359     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 360     & ifmt_add, { 0x88000000 }
 361   },
 362 /* muli $r1,$r0,$imm */
 363   {
 364     { 0, 0, 0, 0 },
 365     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 366     & ifmt_addi, { 0x8000000 }
 367   },
 368 /* nor $r2,$r0,$r1 */
 369   {
 370     { 0, 0, 0, 0 },
 371     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 372     & ifmt_add, { 0x84000000 }
 373   },
 374 /* nori $r1,$r0,$uimm */
 375   {
 376     { 0, 0, 0, 0 },
 377     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 378     & ifmt_andi, { 0x4000000 }
 379   },
 380 /* or $r2,$r0,$r1 */
 381   {
 382     { 0, 0, 0, 0 },
 383     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 384     & ifmt_add, { 0xb8000000 }
 385   },
 386 /* ori $r1,$r0,$lo16 */
 387   {
 388     { 0, 0, 0, 0 },
 389     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (LO16), 0 } },
 390     & ifmt_ori, { 0x38000000 }
 391   },
 392 /* orhi $r1,$r0,$hi16 */
 393   {
 394     { 0, 0, 0, 0 },
 395     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (HI16), 0 } },
 396     & ifmt_andhii, { 0x78000000 }
 397   },
 398 /* rcsr $r2,$csr */
 399   {
 400     { 0, 0, 0, 0 },
 401     { { MNEM, ' ', OP (R2), ',', OP (CSR), 0 } },
 402     & ifmt_rcsr, { 0x90000000 }
 403   },
 404 /* sb ($r0+$imm),$r1 */
 405   {
 406     { 0, 0, 0, 0 },
 407     { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } },
 408     & ifmt_addi, { 0x30000000 }
 409   },
 410 /* sextb $r2,$r0 */
 411   {
 412     { 0, 0, 0, 0 },
 413     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 414     & ifmt_sextb, { 0xb0000000 }
 415   },
 416 /* sexth $r2,$r0 */
 417   {
 418     { 0, 0, 0, 0 },
 419     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 420     & ifmt_sextb, { 0xdc000000 }
 421   },
 422 /* sh ($r0+$imm),$r1 */
 423   {
 424     { 0, 0, 0, 0 },
 425     { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } },
 426     & ifmt_addi, { 0xc000000 }
 427   },
 428 /* sl $r2,$r0,$r1 */
 429   {
 430     { 0, 0, 0, 0 },
 431     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 432     & ifmt_add, { 0xbc000000 }
 433   },
 434 /* sli $r1,$r0,$imm */
 435   {
 436     { 0, 0, 0, 0 },
 437     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 438     & ifmt_addi, { 0x3c000000 }
 439   },
 440 /* sr $r2,$r0,$r1 */
 441   {
 442     { 0, 0, 0, 0 },
 443     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 444     & ifmt_add, { 0x94000000 }
 445   },
 446 /* sri $r1,$r0,$imm */
 447   {
 448     { 0, 0, 0, 0 },
 449     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 450     & ifmt_addi, { 0x14000000 }
 451   },
 452 /* sru $r2,$r0,$r1 */
 453   {
 454     { 0, 0, 0, 0 },
 455     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 456     & ifmt_add, { 0x80000000 }
 457   },
 458 /* srui $r1,$r0,$imm */
 459   {
 460     { 0, 0, 0, 0 },
 461     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 462     & ifmt_addi, { 0x0 }
 463   },
 464 /* sub $r2,$r0,$r1 */
 465   {
 466     { 0, 0, 0, 0 },
 467     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 468     & ifmt_add, { 0xc8000000 }
 469   },
 470 /* sw ($r0+$imm),$r1 */
 471   {
 472     { 0, 0, 0, 0 },
 473     { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } },
 474     & ifmt_addi, { 0x58000000 }
 475   },
 476 /* user $r2,$r0,$r1,$user */
 477   {
 478     { 0, 0, 0, 0 },
 479     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), ',', OP (USER), 0 } },
 480     & ifmt_user, { 0xcc000000 }
 481   },
 482 /* wcsr $csr,$r1 */
 483   {
 484     { 0, 0, 0, 0 },
 485     { { MNEM, ' ', OP (CSR), ',', OP (R1), 0 } },
 486     & ifmt_wcsr, { 0xd0000000 }
 487   },
 488 /* xor $r2,$r0,$r1 */
 489   {
 490     { 0, 0, 0, 0 },
 491     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 492     & ifmt_add, { 0x98000000 }
 493   },
 494 /* xori $r1,$r0,$uimm */
 495   {
 496     { 0, 0, 0, 0 },
 497     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 498     & ifmt_andi, { 0x18000000 }
 499   },
 500 /* xnor $r2,$r0,$r1 */
 501   {
 502     { 0, 0, 0, 0 },
 503     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 504     & ifmt_add, { 0xa4000000 }
 505   },
 506 /* xnori $r1,$r0,$uimm */
 507   {
 508     { 0, 0, 0, 0 },
 509     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 510     & ifmt_andi, { 0x24000000 }
 511   },
 512 /* break */
 513   {
 514     { 0, 0, 0, 0 },
 515     { { MNEM, 0 } },
 516     & ifmt_break, { 0xac000002 }
 517   },
 518 /* scall */
 519   {
 520     { 0, 0, 0, 0 },
 521     { { MNEM, 0 } },
 522     & ifmt_break, { 0xac000007 }
 523   },
 524 /* bret */
 525   {
 526     { 0, 0, 0, 0 },
 527     { { MNEM, 0 } },
 528     & ifmt_bret, { 0xc3e00000 }
 529   },
 530 /* eret */
 531   {
 532     { 0, 0, 0, 0 },
 533     { { MNEM, 0 } },
 534     & ifmt_bret, { 0xc3c00000 }
 535   },
 536 /* ret */
 537   {
 538     { 0, 0, 0, 0 },
 539     { { MNEM, 0 } },
 540     & ifmt_bret, { 0xc3a00000 }
 541   },
 542 /* mv $r2,$r0 */
 543   {
 544     { 0, 0, 0, 0 },
 545     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 546     & ifmt_sextb, { 0xb8000000 }
 547   },
 548 /* mvi $r1,$imm */
 549   {
 550     { 0, 0, 0, 0 },
 551     { { MNEM, ' ', OP (R1), ',', OP (IMM), 0 } },
 552     & ifmt_mvi, { 0x34000000 }
 553   },
 554 /* mvu $r1,$lo16 */
 555   {
 556     { 0, 0, 0, 0 },
 557     { { MNEM, ' ', OP (R1), ',', OP (LO16), 0 } },
 558     & ifmt_mvui, { 0x38000000 }
 559   },
 560 /* mvhi $r1,$hi16 */
 561   {
 562     { 0, 0, 0, 0 },
 563     { { MNEM, ' ', OP (R1), ',', OP (HI16), 0 } },
 564     & ifmt_mvhi, { 0x78000000 }
 565   },
 566 /* mva $r1,$gp16 */
 567   {
 568     { 0, 0, 0, 0 },
 569     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 570     & ifmt_mva, { 0x37400000 }
 571   },
 572 /* not $r2,$r0 */
 573   {
 574     { 0, 0, 0, 0 },
 575     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 576     & ifmt_sextb, { 0xa4000000 }
 577   },
 578 /* nop */
 579   {
 580     { 0, 0, 0, 0 },
 581     { { MNEM, 0 } },
 582     & ifmt_nop, { 0x34000000 }
 583   },
 584 /* lb $r1,$gp16 */
 585   {
 586     { 0, 0, 0, 0 },
 587     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 588     & ifmt_mva, { 0x13400000 }
 589   },
 590 /* lbu $r1,$gp16 */
 591   {
 592     { 0, 0, 0, 0 },
 593     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 594     & ifmt_mva, { 0x43400000 }
 595   },
 596 /* lh $r1,$gp16 */
 597   {
 598     { 0, 0, 0, 0 },
 599     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 600     & ifmt_mva, { 0x1f400000 }
 601   },
 602 /* lhu $r1,$gp16 */
 603   {
 604     { 0, 0, 0, 0 },
 605     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 606     & ifmt_mva, { 0x2f400000 }
 607   },
 608 /* lw $r1,$gp16 */
 609   {
 610     { 0, 0, 0, 0 },
 611     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 612     & ifmt_mva, { 0x2b400000 }
 613   },
 614 /* sb $gp16,$r1 */
 615   {
 616     { 0, 0, 0, 0 },
 617     { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } },
 618     & ifmt_mva, { 0x33400000 }
 619   },
 620 /* sh $gp16,$r1 */
 621   {
 622     { 0, 0, 0, 0 },
 623     { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } },
 624     & ifmt_mva, { 0xf400000 }
 625   },
 626 /* sw $gp16,$r1 */
 627   {
 628     { 0, 0, 0, 0 },
 629     { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } },
 630     & ifmt_mva, { 0x5b400000 }
 631   },
 632 /* lw $r1,(gp+$got16) */
 633   {
 634     { 0, 0, 0, 0 },
 635     { { MNEM, ' ', OP (R1), ',', '(', 'g', 'p', '+', OP (GOT16), ')', 0 } },
 636     & ifmt_lwgotrel, { 0x2b400000 }
 637   },
 638 /* orhi $r1,$r0,$gotoffhi16 */
 639   {
 640     { 0, 0, 0, 0 },
 641     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (GOTOFFHI16), 0 } },
 642     & ifmt_orhigotoffi, { 0x78000000 }
 643   },
 644 /* addi $r1,$r0,$gotofflo16 */
 645   {
 646     { 0, 0, 0, 0 },
 647     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (GOTOFFLO16), 0 } },
 648     & ifmt_addgotoff, { 0x34000000 }
 649   },
 650 /* sw ($r0+$gotofflo16),$r1 */
 651   {
 652     { 0, 0, 0, 0 },
 653     { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } },
 654     & ifmt_addgotoff, { 0x58000000 }
 655   },
 656 /* lw $r1,($r0+$gotofflo16) */
 657   {
 658     { 0, 0, 0, 0 },
 659     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 660     & ifmt_addgotoff, { 0x28000000 }
 661   },
 662 /* sh ($r0+$gotofflo16),$r1 */
 663   {
 664     { 0, 0, 0, 0 },
 665     { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } },
 666     & ifmt_addgotoff, { 0xc000000 }
 667   },
 668 /* lh $r1,($r0+$gotofflo16) */
 669   {
 670     { 0, 0, 0, 0 },
 671     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 672     & ifmt_addgotoff, { 0x1c000000 }
 673   },
 674 /* lhu $r1,($r0+$gotofflo16) */
 675   {
 676     { 0, 0, 0, 0 },
 677     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 678     & ifmt_addgotoff, { 0x2c000000 }
 679   },
 680 /* sb ($r0+$gotofflo16),$r1 */
 681   {
 682     { 0, 0, 0, 0 },
 683     { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } },
 684     & ifmt_addgotoff, { 0x30000000 }
 685   },
 686 /* lb $r1,($r0+$gotofflo16) */
 687   {
 688     { 0, 0, 0, 0 },
 689     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 690     & ifmt_addgotoff, { 0x10000000 }
 691   },
 692 /* lbu $r1,($r0+$gotofflo16) */
 693   {
 694     { 0, 0, 0, 0 },
 695     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 696     & ifmt_addgotoff, { 0x40000000 }
 697   },
 698 };
 699
 700 #undef A
 701 #undef OPERAND
 702 #undef MNEM
 703 #undef OP
 704
 705 /* Formats for ALIAS macro-insns.  */
 706
 707 #define F(f) & lm32_cgen_ifld_table[LM32_##f]
 708 #undef F
 709
 710 /* Each non-simple macro entry points to an array of expansion possibilities.  */
 711
 712 #define A(a) (1 << CGEN_INSN_##a)
 713 #define OPERAND(op) LM32_OPERAND_##op
 714 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
 715 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 716
 717 /* The macro instruction table.  */
 718
 719 static const CGEN_IBASE lm32_cgen_macro_insn_table[] =
 720 {
 721 };
 722
 723 /* The macro instruction opcode table.  */
 724
 725 static const CGEN_OPCODE lm32_cgen_macro_insn_opcode_table[] =
 726 {
 727 };
 728
 729 #undef A
 730 #undef OPERAND
 731 #undef MNEM
 732 #undef OP
 733
 734 #ifndef CGEN_ASM_HASH_P
 735 #define CGEN_ASM_HASH_P(insn) 1
 736 #endif
 737
 738 #ifndef CGEN_DIS_HASH_P
 739 #define CGEN_DIS_HASH_P(insn) 1
 740 #endif
 741
 742 /* Return non-zero if INSN is to be added to the hash table.
 743    Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */
 744
 745 static int
 746 asm_hash_insn_p (const CGEN_INSN *insn ATTRIBUTE_UNUSED)
 747 {
 748   return CGEN_ASM_HASH_P (insn);
 749 }
 750
 751 static int
 752 dis_hash_insn_p (const CGEN_INSN *insn)
 753 {
 754   /* If building the hash table and the NO-DIS attribute is present,
 755      ignore.  */
 756   if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
 757     return 0;
 758   return CGEN_DIS_HASH_P (insn);
 759 }
 760
 761 #ifndef CGEN_ASM_HASH
 762 #define CGEN_ASM_HASH_SIZE 127
 763 #ifdef CGEN_MNEMONIC_OPERANDS
 764 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
 765 #else
 766 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
 767 #endif
 768 #endif
 769
 770 /* It doesn't make much sense to provide a default here,
 771    but while this is under development we do.
 772    BUFFER is a pointer to the bytes of the insn, target order.
 773    VALUE is the first base_insn_bitsize bits as an int in host order.  */
 774
 775 #ifndef CGEN_DIS_HASH
 776 #define CGEN_DIS_HASH_SIZE 256
 777 #define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
 778 #endif
 779
 780 /* The result is the hash value of the insn.
 781    Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */
 782
 783 static unsigned int
 784 asm_hash_insn (const char *mnem)
 785 {
 786   return CGEN_ASM_HASH (mnem);
 787 }
 788
 789 /* BUF is a pointer to the bytes of the insn, target order.
 790    VALUE is the first base_insn_bitsize bits as an int in host order.  */
 791
 792 static unsigned int
 793 dis_hash_insn (const char *buf ATTRIBUTE_UNUSED,
 794                      CGEN_INSN_INT value ATTRIBUTE_UNUSED)
 795 {
 796   return CGEN_DIS_HASH (buf, value);
 797 }
 798
 799 /* Set the recorded length of the insn in the CGEN_FIELDS struct.  */
 800
 801 static void
 802 set_fields_bitsize (CGEN_FIELDS *fields, int size)
 803 {
 804   CGEN_FIELDS_BITSIZE (fields) = size;
 805 }
 806
 807 /* Function to call before using the operand instance table.
 808    This plugs the opcode entries and macro instructions into the cpu table.  */
 809
 810 void
 811 lm32_cgen_init_opcode_table (CGEN_CPU_DESC cd)
 812 {
 813   int i;
 814   int num_macros = (sizeof (lm32_cgen_macro_insn_table) /
 815                     sizeof (lm32_cgen_macro_insn_table[0]));
 816   const CGEN_IBASE *ib = & lm32_cgen_macro_insn_table[0];
 817   const CGEN_OPCODE *oc = & lm32_cgen_macro_insn_opcode_table[0];
 818   CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN));
 819
 820   /* This test has been added to avoid a warning generated
 821      if memset is called with a third argument of value zero.  */
 822   if (num_macros >= 1)
 823     memset (insns, 0, num_macros * sizeof (CGEN_INSN));
 824   for (i = 0; i < num_macros; ++i)
 825     {
 826       insns[i].base = &ib[i];
 827       insns[i].opcode = &oc[i];
 828       lm32_cgen_build_insn_regex (& insns[i]);
 829     }
 830   cd->macro_insn_table.init_entries = insns;
 831   cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
 832   cd->macro_insn_table.num_init_entries = num_macros;
 833
 834   oc = & lm32_cgen_insn_opcode_table[0];
 835   insns = (CGEN_INSN *) cd->insn_table.init_entries;
 836   for (i = 0; i < MAX_INSNS; ++i)
 837     {
 838       insns[i].opcode = &oc[i];
 839       lm32_cgen_build_insn_regex (& insns[i]);
 840     }
 841
 842   cd->sizeof_fields = sizeof (CGEN_FIELDS);
 843   cd->set_fields_bitsize = set_fields_bitsize;
 844
 845   cd->asm_hash_p = asm_hash_insn_p;
 846   cd->asm_hash = asm_hash_insn;
 847   cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
 848
 849   cd->dis_hash_p = dis_hash_insn_p;
 850   cd->dis_hash = dis_hash_insn;
 851   cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
 852 }