opcodes/lm32-opc.c

   1 /* Instruction opcode table for lm32.
   2
   3 THIS FILE IS MACHINE GENERATED WITH CGEN.
   4
   5 Copyright 1996-2007 Free Software Foundation, Inc.
   6
   7 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
   8
   9    This file is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3, or (at your option)
  12    any later version.
  13
  14    It is distributed in the hope that it will be useful, but WITHOUT
  15    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17    License for more details.
  18
  19    You should have received a copy of the GNU General Public License along
  20    with this program; if not, write to the Free Software Foundation, Inc.,
  21    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  22
  23 */
  24
  25 #include "sysdep.h"
  26 #include "ansidecl.h"
  27 #include "bfd.h"
  28 #include "symcat.h"
  29 #include "lm32-desc.h"
  30 #include "lm32-opc.h"
  31 #include "libiberty.h"
  32
  33 /* The hash functions are recorded here to help keep assembler code out of
  34    the disassembler and vice versa.  */
  35
  36 static int asm_hash_insn_p        (const CGEN_INSN *);
  37 static unsigned int asm_hash_insn (const char *);
  38 static int dis_hash_insn_p        (const CGEN_INSN *);
  39 static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT);
  40
  41 /* Instruction formats.  */
  42
  43 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
  44 #define F(f) & lm32_cgen_ifld_table[LM32_##f]
  45 #else
  46 #define F(f) & lm32_cgen_ifld_table[LM32_/**/f]
  47 #endif
  48 static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = {
  49   0, 0, 0x0, { { 0 } }
  50 };
  51
  52 static const CGEN_IFMT ifmt_add ATTRIBUTE_UNUSED = {
  53   32, 32, 0xfc0007ff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  54 };
  55
  56 static const CGEN_IFMT ifmt_addi ATTRIBUTE_UNUSED = {
  57   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
  58 };
  59
  60 static const CGEN_IFMT ifmt_andi ATTRIBUTE_UNUSED = {
  61   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
  62 };
  63
  64 static const CGEN_IFMT ifmt_andhii ATTRIBUTE_UNUSED = {
  65   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
  66 };
  67
  68 static const CGEN_IFMT ifmt_b ATTRIBUTE_UNUSED = {
  69   32, 32, 0xfc1fffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  70 };
  71
  72 static const CGEN_IFMT ifmt_bi ATTRIBUTE_UNUSED = {
  73   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_CALL) }, { 0 } }
  74 };
  75
  76 static const CGEN_IFMT ifmt_be ATTRIBUTE_UNUSED = {
  77   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_BRANCH) }, { 0 } }
  78 };
  79
  80 static const CGEN_IFMT ifmt_ori ATTRIBUTE_UNUSED = {
  81   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
  82 };
  83
  84 static const CGEN_IFMT ifmt_rcsr ATTRIBUTE_UNUSED = {
  85   32, 32, 0xfc1f07ff, { { F (F_OPCODE) }, { F (F_CSR) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  86 };
  87
  88 static const CGEN_IFMT ifmt_sextb ATTRIBUTE_UNUSED = {
  89   32, 32, 0xfc1f07ff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  90 };
  91
  92 static const CGEN_IFMT ifmt_user ATTRIBUTE_UNUSED = {
  93   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_USER) }, { 0 } }
  94 };
  95
  96 static const CGEN_IFMT ifmt_wcsr ATTRIBUTE_UNUSED = {
  97   32, 32, 0xfc00ffff, { { F (F_OPCODE) }, { F (F_CSR) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
  98 };
  99
 100 static const CGEN_IFMT ifmt_break ATTRIBUTE_UNUSED = {
 101   32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_EXCEPTION) }, { 0 } }
 102 };
 103
 104 static const CGEN_IFMT ifmt_bret ATTRIBUTE_UNUSED = {
 105   32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } }
 106 };
 107
 108 static const CGEN_IFMT ifmt_mvi ATTRIBUTE_UNUSED = {
 109   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 110 };
 111
 112 static const CGEN_IFMT ifmt_mvui ATTRIBUTE_UNUSED = {
 113   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
 114 };
 115
 116 static const CGEN_IFMT ifmt_mvhi ATTRIBUTE_UNUSED = {
 117   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } }
 118 };
 119
 120 static const CGEN_IFMT ifmt_mva ATTRIBUTE_UNUSED = {
 121   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 122 };
 123
 124 static const CGEN_IFMT ifmt_nop ATTRIBUTE_UNUSED = {
 125   32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 126 };
 127
 128 static const CGEN_IFMT ifmt_lwgotrel ATTRIBUTE_UNUSED = {
 129   32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 130 };
 131
 132 static const CGEN_IFMT ifmt_orhigotoffi ATTRIBUTE_UNUSED = {
 133   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 134 };
 135
 136 static const CGEN_IFMT ifmt_addgotoff ATTRIBUTE_UNUSED = {
 137   32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } }
 138 };
 139
 140 #undef F
 141
 142 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 143 #define A(a) (1 << CGEN_INSN_##a)
 144 #else
 145 #define A(a) (1 << CGEN_INSN_/**/a)
 146 #endif
 147 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 148 #define OPERAND(op) LM32_OPERAND_##op
 149 #else
 150 #define OPERAND(op) LM32_OPERAND_/**/op
 151 #endif
 152 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
 153 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 154
 155 /* The instruction table.  */
 156
 157 static const CGEN_OPCODE lm32_cgen_insn_opcode_table[MAX_INSNS] =
 158 {
 159   /* Special null first entry.
 160      A `num' value of zero is thus invalid.
 161      Also, the special `invalid' insn resides here.  */
 162   { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
 163 /* add $r2,$r0,$r1 */
 164   {
 165     { 0, 0, 0, 0 },
 166     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 167     & ifmt_add, { 0xb4000000 }
 168   },
 169 /* addi $r1,$r0,$imm */
 170   {
 171     { 0, 0, 0, 0 },
 172     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 173     & ifmt_addi, { 0x34000000 }
 174   },
 175 /* and $r2,$r0,$r1 */
 176   {
 177     { 0, 0, 0, 0 },
 178     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 179     & ifmt_add, { 0xa0000000 }
 180   },
 181 /* andi $r1,$r0,$uimm */
 182   {
 183     { 0, 0, 0, 0 },
 184     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 185     & ifmt_andi, { 0x20000000 }
 186   },
 187 /* andhi $r1,$r0,$hi16 */
 188   {
 189     { 0, 0, 0, 0 },
 190     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (HI16), 0 } },
 191     & ifmt_andhii, { 0x60000000 }
 192   },
 193 /* b $r0 */
 194   {
 195     { 0, 0, 0, 0 },
 196     { { MNEM, ' ', OP (R0), 0 } },
 197     & ifmt_b, { 0xc0000000 }
 198   },
 199 /* bi $call */
 200   {
 201     { 0, 0, 0, 0 },
 202     { { MNEM, ' ', OP (CALL), 0 } },
 203     & ifmt_bi, { 0xe0000000 }
 204   },
 205 /* be $r0,$r1,$branch */
 206   {
 207     { 0, 0, 0, 0 },
 208     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 209     & ifmt_be, { 0x44000000 }
 210   },
 211 /* bg $r0,$r1,$branch */
 212   {
 213     { 0, 0, 0, 0 },
 214     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 215     & ifmt_be, { 0x48000000 }
 216   },
 217 /* bge $r0,$r1,$branch */
 218   {
 219     { 0, 0, 0, 0 },
 220     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 221     & ifmt_be, { 0x4c000000 }
 222   },
 223 /* bgeu $r0,$r1,$branch */
 224   {
 225     { 0, 0, 0, 0 },
 226     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 227     & ifmt_be, { 0x50000000 }
 228   },
 229 /* bgu $r0,$r1,$branch */
 230   {
 231     { 0, 0, 0, 0 },
 232     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 233     & ifmt_be, { 0x54000000 }
 234   },
 235 /* bne $r0,$r1,$branch */
 236   {
 237     { 0, 0, 0, 0 },
 238     { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } },
 239     & ifmt_be, { 0x5c000000 }
 240   },
 241 /* call $r0 */
 242   {
 243     { 0, 0, 0, 0 },
 244     { { MNEM, ' ', OP (R0), 0 } },
 245     & ifmt_b, { 0xd8000000 }
 246   },
 247 /* calli $call */
 248   {
 249     { 0, 0, 0, 0 },
 250     { { MNEM, ' ', OP (CALL), 0 } },
 251     & ifmt_bi, { 0xf8000000 }
 252   },
 253 /* cmpe $r2,$r0,$r1 */
 254   {
 255     { 0, 0, 0, 0 },
 256     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 257     & ifmt_add, { 0xe4000000 }
 258   },
 259 /* cmpei $r1,$r0,$imm */
 260   {
 261     { 0, 0, 0, 0 },
 262     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 263     & ifmt_addi, { 0x64000000 }
 264   },
 265 /* cmpg $r2,$r0,$r1 */
 266   {
 267     { 0, 0, 0, 0 },
 268     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 269     & ifmt_add, { 0xe8000000 }
 270   },
 271 /* cmpgi $r1,$r0,$imm */
 272   {
 273     { 0, 0, 0, 0 },
 274     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 275     & ifmt_addi, { 0x68000000 }
 276   },
 277 /* cmpge $r2,$r0,$r1 */
 278   {
 279     { 0, 0, 0, 0 },
 280     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 281     & ifmt_add, { 0xec000000 }
 282   },
 283 /* cmpgei $r1,$r0,$imm */
 284   {
 285     { 0, 0, 0, 0 },
 286     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 287     & ifmt_addi, { 0x6c000000 }
 288   },
 289 /* cmpgeu $r2,$r0,$r1 */
 290   {
 291     { 0, 0, 0, 0 },
 292     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 293     & ifmt_add, { 0xf0000000 }
 294   },
 295 /* cmpgeui $r1,$r0,$uimm */
 296   {
 297     { 0, 0, 0, 0 },
 298     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 299     & ifmt_andi, { 0x70000000 }
 300   },
 301 /* cmpgu $r2,$r0,$r1 */
 302   {
 303     { 0, 0, 0, 0 },
 304     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 305     & ifmt_add, { 0xf4000000 }
 306   },
 307 /* cmpgui $r1,$r0,$uimm */
 308   {
 309     { 0, 0, 0, 0 },
 310     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 311     & ifmt_andi, { 0x74000000 }
 312   },
 313 /* cmpne $r2,$r0,$r1 */
 314   {
 315     { 0, 0, 0, 0 },
 316     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 317     & ifmt_add, { 0xfc000000 }
 318   },
 319 /* cmpnei $r1,$r0,$imm */
 320   {
 321     { 0, 0, 0, 0 },
 322     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 323     & ifmt_addi, { 0x7c000000 }
 324   },
 325 /* divu $r2,$r0,$r1 */
 326   {
 327     { 0, 0, 0, 0 },
 328     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 329     & ifmt_add, { 0x8c000000 }
 330   },
 331 /* lb $r1,($r0+$imm) */
 332   {
 333     { 0, 0, 0, 0 },
 334     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 335     & ifmt_addi, { 0x10000000 }
 336   },
 337 /* lbu $r1,($r0+$imm) */
 338   {
 339     { 0, 0, 0, 0 },
 340     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 341     & ifmt_addi, { 0x40000000 }
 342   },
 343 /* lh $r1,($r0+$imm) */
 344   {
 345     { 0, 0, 0, 0 },
 346     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 347     & ifmt_addi, { 0x1c000000 }
 348   },
 349 /* lhu $r1,($r0+$imm) */
 350   {
 351     { 0, 0, 0, 0 },
 352     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 353     & ifmt_addi, { 0x2c000000 }
 354   },
 355 /* lw $r1,($r0+$imm) */
 356   {
 357     { 0, 0, 0, 0 },
 358     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } },
 359     & ifmt_addi, { 0x28000000 }
 360   },
 361 /* modu $r2,$r0,$r1 */
 362   {
 363     { 0, 0, 0, 0 },
 364     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 365     & ifmt_add, { 0xc4000000 }
 366   },
 367 /* mul $r2,$r0,$r1 */
 368   {
 369     { 0, 0, 0, 0 },
 370     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 371     & ifmt_add, { 0x88000000 }
 372   },
 373 /* muli $r1,$r0,$imm */
 374   {
 375     { 0, 0, 0, 0 },
 376     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 377     & ifmt_addi, { 0x8000000 }
 378   },
 379 /* nor $r2,$r0,$r1 */
 380   {
 381     { 0, 0, 0, 0 },
 382     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 383     & ifmt_add, { 0x84000000 }
 384   },
 385 /* nori $r1,$r0,$uimm */
 386   {
 387     { 0, 0, 0, 0 },
 388     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 389     & ifmt_andi, { 0x4000000 }
 390   },
 391 /* or $r2,$r0,$r1 */
 392   {
 393     { 0, 0, 0, 0 },
 394     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 395     & ifmt_add, { 0xb8000000 }
 396   },
 397 /* ori $r1,$r0,$lo16 */
 398   {
 399     { 0, 0, 0, 0 },
 400     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (LO16), 0 } },
 401     & ifmt_ori, { 0x38000000 }
 402   },
 403 /* orhi $r1,$r0,$hi16 */
 404   {
 405     { 0, 0, 0, 0 },
 406     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (HI16), 0 } },
 407     & ifmt_andhii, { 0x78000000 }
 408   },
 409 /* rcsr $r2,$csr */
 410   {
 411     { 0, 0, 0, 0 },
 412     { { MNEM, ' ', OP (R2), ',', OP (CSR), 0 } },
 413     & ifmt_rcsr, { 0x90000000 }
 414   },
 415 /* sb ($r0+$imm),$r1 */
 416   {
 417     { 0, 0, 0, 0 },
 418     { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } },
 419     & ifmt_addi, { 0x30000000 }
 420   },
 421 /* sextb $r2,$r0 */
 422   {
 423     { 0, 0, 0, 0 },
 424     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 425     & ifmt_sextb, { 0xb0000000 }
 426   },
 427 /* sexth $r2,$r0 */
 428   {
 429     { 0, 0, 0, 0 },
 430     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 431     & ifmt_sextb, { 0xdc000000 }
 432   },
 433 /* sh ($r0+$imm),$r1 */
 434   {
 435     { 0, 0, 0, 0 },
 436     { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } },
 437     & ifmt_addi, { 0xc000000 }
 438   },
 439 /* sl $r2,$r0,$r1 */
 440   {
 441     { 0, 0, 0, 0 },
 442     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 443     & ifmt_add, { 0xbc000000 }
 444   },
 445 /* sli $r1,$r0,$imm */
 446   {
 447     { 0, 0, 0, 0 },
 448     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 449     & ifmt_addi, { 0x3c000000 }
 450   },
 451 /* sr $r2,$r0,$r1 */
 452   {
 453     { 0, 0, 0, 0 },
 454     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 455     & ifmt_add, { 0x94000000 }
 456   },
 457 /* sri $r1,$r0,$imm */
 458   {
 459     { 0, 0, 0, 0 },
 460     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 461     & ifmt_addi, { 0x14000000 }
 462   },
 463 /* sru $r2,$r0,$r1 */
 464   {
 465     { 0, 0, 0, 0 },
 466     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 467     & ifmt_add, { 0x80000000 }
 468   },
 469 /* srui $r1,$r0,$imm */
 470   {
 471     { 0, 0, 0, 0 },
 472     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } },
 473     & ifmt_addi, { 0x0 }
 474   },
 475 /* sub $r2,$r0,$r1 */
 476   {
 477     { 0, 0, 0, 0 },
 478     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 479     & ifmt_add, { 0xc8000000 }
 480   },
 481 /* sw ($r0+$imm),$r1 */
 482   {
 483     { 0, 0, 0, 0 },
 484     { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } },
 485     & ifmt_addi, { 0x58000000 }
 486   },
 487 /* user $r2,$r0,$r1,$user */
 488   {
 489     { 0, 0, 0, 0 },
 490     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), ',', OP (USER), 0 } },
 491     & ifmt_user, { 0xcc000000 }
 492   },
 493 /* wcsr $csr,$r1 */
 494   {
 495     { 0, 0, 0, 0 },
 496     { { MNEM, ' ', OP (CSR), ',', OP (R1), 0 } },
 497     & ifmt_wcsr, { 0xd0000000 }
 498   },
 499 /* xor $r2,$r0,$r1 */
 500   {
 501     { 0, 0, 0, 0 },
 502     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 503     & ifmt_add, { 0x98000000 }
 504   },
 505 /* xori $r1,$r0,$uimm */
 506   {
 507     { 0, 0, 0, 0 },
 508     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 509     & ifmt_andi, { 0x18000000 }
 510   },
 511 /* xnor $r2,$r0,$r1 */
 512   {
 513     { 0, 0, 0, 0 },
 514     { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } },
 515     & ifmt_add, { 0xa4000000 }
 516   },
 517 /* xnori $r1,$r0,$uimm */
 518   {
 519     { 0, 0, 0, 0 },
 520     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } },
 521     & ifmt_andi, { 0x24000000 }
 522   },
 523 /* break */
 524   {
 525     { 0, 0, 0, 0 },
 526     { { MNEM, 0 } },
 527     & ifmt_break, { 0xac000002 }
 528   },
 529 /* scall */
 530   {
 531     { 0, 0, 0, 0 },
 532     { { MNEM, 0 } },
 533     & ifmt_break, { 0xac000007 }
 534   },
 535 /* bret */
 536   {
 537     { 0, 0, 0, 0 },
 538     { { MNEM, 0 } },
 539     & ifmt_bret, { 0xc3e00000 }
 540   },
 541 /* eret */
 542   {
 543     { 0, 0, 0, 0 },
 544     { { MNEM, 0 } },
 545     & ifmt_bret, { 0xc3c00000 }
 546   },
 547 /* ret */
 548   {
 549     { 0, 0, 0, 0 },
 550     { { MNEM, 0 } },
 551     & ifmt_bret, { 0xc3a00000 }
 552   },
 553 /* mv $r2,$r0 */
 554   {
 555     { 0, 0, 0, 0 },
 556     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 557     & ifmt_sextb, { 0xb8000000 }
 558   },
 559 /* mvi $r1,$imm */
 560   {
 561     { 0, 0, 0, 0 },
 562     { { MNEM, ' ', OP (R1), ',', OP (IMM), 0 } },
 563     & ifmt_mvi, { 0x34000000 }
 564   },
 565 /* mvu $r1,$lo16 */
 566   {
 567     { 0, 0, 0, 0 },
 568     { { MNEM, ' ', OP (R1), ',', OP (LO16), 0 } },
 569     & ifmt_mvui, { 0x38000000 }
 570   },
 571 /* mvhi $r1,$hi16 */
 572   {
 573     { 0, 0, 0, 0 },
 574     { { MNEM, ' ', OP (R1), ',', OP (HI16), 0 } },
 575     & ifmt_mvhi, { 0x78000000 }
 576   },
 577 /* mva $r1,$gp16 */
 578   {
 579     { 0, 0, 0, 0 },
 580     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 581     & ifmt_mva, { 0x37400000 }
 582   },
 583 /* not $r2,$r0 */
 584   {
 585     { 0, 0, 0, 0 },
 586     { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } },
 587     & ifmt_sextb, { 0xa4000000 }
 588   },
 589 /* nop */
 590   {
 591     { 0, 0, 0, 0 },
 592     { { MNEM, 0 } },
 593     & ifmt_nop, { 0x34000000 }
 594   },
 595 /* lb $r1,$gp16 */
 596   {
 597     { 0, 0, 0, 0 },
 598     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 599     & ifmt_mva, { 0x13400000 }
 600   },
 601 /* lbu $r1,$gp16 */
 602   {
 603     { 0, 0, 0, 0 },
 604     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 605     & ifmt_mva, { 0x43400000 }
 606   },
 607 /* lh $r1,$gp16 */
 608   {
 609     { 0, 0, 0, 0 },
 610     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 611     & ifmt_mva, { 0x1f400000 }
 612   },
 613 /* lhu $r1,$gp16 */
 614   {
 615     { 0, 0, 0, 0 },
 616     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 617     & ifmt_mva, { 0x2f400000 }
 618   },
 619 /* lw $r1,$gp16 */
 620   {
 621     { 0, 0, 0, 0 },
 622     { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } },
 623     & ifmt_mva, { 0x2b400000 }
 624   },
 625 /* sb $gp16,$r1 */
 626   {
 627     { 0, 0, 0, 0 },
 628     { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } },
 629     & ifmt_mva, { 0x33400000 }
 630   },
 631 /* sh $gp16,$r1 */
 632   {
 633     { 0, 0, 0, 0 },
 634     { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } },
 635     & ifmt_mva, { 0xf400000 }
 636   },
 637 /* sw $gp16,$r1 */
 638   {
 639     { 0, 0, 0, 0 },
 640     { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } },
 641     & ifmt_mva, { 0x5b400000 }
 642   },
 643 /* lw $r1,(gp+$got16) */
 644   {
 645     { 0, 0, 0, 0 },
 646     { { MNEM, ' ', OP (R1), ',', '(', 'g', 'p', '+', OP (GOT16), ')', 0 } },
 647     & ifmt_lwgotrel, { 0x2b400000 }
 648   },
 649 /* orhi $r1,$r0,$gotoffhi16 */
 650   {
 651     { 0, 0, 0, 0 },
 652     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (GOTOFFHI16), 0 } },
 653     & ifmt_orhigotoffi, { 0x78000000 }
 654   },
 655 /* addi $r1,$r0,$gotofflo16 */
 656   {
 657     { 0, 0, 0, 0 },
 658     { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (GOTOFFLO16), 0 } },
 659     & ifmt_addgotoff, { 0x34000000 }
 660   },
 661 /* sw ($r0+$gotofflo16),$r1 */
 662   {
 663     { 0, 0, 0, 0 },
 664     { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } },
 665     & ifmt_addgotoff, { 0x58000000 }
 666   },
 667 /* lw $r1,($r0+$gotofflo16) */
 668   {
 669     { 0, 0, 0, 0 },
 670     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 671     & ifmt_addgotoff, { 0x28000000 }
 672   },
 673 /* sh ($r0+$gotofflo16),$r1 */
 674   {
 675     { 0, 0, 0, 0 },
 676     { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } },
 677     & ifmt_addgotoff, { 0xc000000 }
 678   },
 679 /* lh $r1,($r0+$gotofflo16) */
 680   {
 681     { 0, 0, 0, 0 },
 682     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 683     & ifmt_addgotoff, { 0x1c000000 }
 684   },
 685 /* lhu $r1,($r0+$gotofflo16) */
 686   {
 687     { 0, 0, 0, 0 },
 688     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 689     & ifmt_addgotoff, { 0x2c000000 }
 690   },
 691 /* sb ($r0+$gotofflo16),$r1 */
 692   {
 693     { 0, 0, 0, 0 },
 694     { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } },
 695     & ifmt_addgotoff, { 0x30000000 }
 696   },
 697 /* lb $r1,($r0+$gotofflo16) */
 698   {
 699     { 0, 0, 0, 0 },
 700     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 701     & ifmt_addgotoff, { 0x10000000 }
 702   },
 703 /* lbu $r1,($r0+$gotofflo16) */
 704   {
 705     { 0, 0, 0, 0 },
 706     { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } },
 707     & ifmt_addgotoff, { 0x40000000 }
 708   },
 709 };
 710
 711 #undef A
 712 #undef OPERAND
 713 #undef MNEM
 714 #undef OP
 715
 716 /* Formats for ALIAS macro-insns.  */
 717
 718 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 719 #define F(f) & lm32_cgen_ifld_table[LM32_##f]
 720 #else
 721 #define F(f) & lm32_cgen_ifld_table[LM32_/**/f]
 722 #endif
 723 #undef F
 724
 725 /* Each non-simple macro entry points to an array of expansion possibilities.  */
 726
 727 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 728 #define A(a) (1 << CGEN_INSN_##a)
 729 #else
 730 #define A(a) (1 << CGEN_INSN_/**/a)
 731 #endif
 732 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
 733 #define OPERAND(op) LM32_OPERAND_##op
 734 #else
 735 #define OPERAND(op) LM32_OPERAND_/**/op
 736 #endif
 737 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
 738 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 739
 740 /* The macro instruction table.  */
 741
 742 static const CGEN_IBASE lm32_cgen_macro_insn_table[] =
 743 {
 744 };
 745
 746 /* The macro instruction opcode table.  */
 747
 748 static const CGEN_OPCODE lm32_cgen_macro_insn_opcode_table[] =
 749 {
 750 };
 751
 752 #undef A
 753 #undef OPERAND
 754 #undef MNEM
 755 #undef OP
 756
 757 #ifndef CGEN_ASM_HASH_P
 758 #define CGEN_ASM_HASH_P(insn) 1
 759 #endif
 760
 761 #ifndef CGEN_DIS_HASH_P
 762 #define CGEN_DIS_HASH_P(insn) 1
 763 #endif
 764
 765 /* Return non-zero if INSN is to be added to the hash table.
 766    Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */
 767
 768 static int
 769 asm_hash_insn_p (insn)
 770      const CGEN_INSN *insn ATTRIBUTE_UNUSED;
 771 {
 772   return CGEN_ASM_HASH_P (insn);
 773 }
 774
 775 static int
 776 dis_hash_insn_p (insn)
 777      const CGEN_INSN *insn;
 778 {
 779   /* If building the hash table and the NO-DIS attribute is present,
 780      ignore.  */
 781   if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
 782     return 0;
 783   return CGEN_DIS_HASH_P (insn);
 784 }
 785
 786 #ifndef CGEN_ASM_HASH
 787 #define CGEN_ASM_HASH_SIZE 127
 788 #ifdef CGEN_MNEMONIC_OPERANDS
 789 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
 790 #else
 791 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
 792 #endif
 793 #endif
 794
 795 /* It doesn't make much sense to provide a default here,
 796    but while this is under development we do.
 797    BUFFER is a pointer to the bytes of the insn, target order.
 798    VALUE is the first base_insn_bitsize bits as an int in host order.  */
 799
 800 #ifndef CGEN_DIS_HASH
 801 #define CGEN_DIS_HASH_SIZE 256
 802 #define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
 803 #endif
 804
 805 /* The result is the hash value of the insn.
 806    Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */
 807
 808 static unsigned int
 809 asm_hash_insn (mnem)
 810      const char * mnem;
 811 {
 812   return CGEN_ASM_HASH (mnem);
 813 }
 814
 815 /* BUF is a pointer to the bytes of the insn, target order.
 816    VALUE is the first base_insn_bitsize bits as an int in host order.  */
 817
 818 static unsigned int
 819 dis_hash_insn (buf, value)
 820      const char * buf ATTRIBUTE_UNUSED;
 821      CGEN_INSN_INT value ATTRIBUTE_UNUSED;
 822 {
 823   return CGEN_DIS_HASH (buf, value);
 824 }
 825
 826 /* Set the recorded length of the insn in the CGEN_FIELDS struct.  */
 827
 828 static void
 829 set_fields_bitsize (CGEN_FIELDS *fields, int size)
 830 {
 831   CGEN_FIELDS_BITSIZE (fields) = size;
 832 }
 833
 834 /* Function to call before using the operand instance table.
 835    This plugs the opcode entries and macro instructions into the cpu table.  */
 836
 837 void
 838 lm32_cgen_init_opcode_table (CGEN_CPU_DESC cd)
 839 {
 840   int i;
 841   int num_macros = (sizeof (lm32_cgen_macro_insn_table) /
 842                     sizeof (lm32_cgen_macro_insn_table[0]));
 843   const CGEN_IBASE *ib = & lm32_cgen_macro_insn_table[0];
 844   const CGEN_OPCODE *oc = & lm32_cgen_macro_insn_opcode_table[0];
 845   CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN));
 846
 847   /* This test has been added to avoid a warning generated
 848      if memset is called with a third argument of value zero.  */
 849   if (num_macros >= 1)
 850     memset (insns, 0, num_macros * sizeof (CGEN_INSN));
 851   for (i = 0; i < num_macros; ++i)
 852     {
 853       insns[i].base = &ib[i];
 854       insns[i].opcode = &oc[i];
 855       lm32_cgen_build_insn_regex (& insns[i]);
 856     }
 857   cd->macro_insn_table.init_entries = insns;
 858   cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
 859   cd->macro_insn_table.num_init_entries = num_macros;
 860
 861   oc = & lm32_cgen_insn_opcode_table[0];
 862   insns = (CGEN_INSN *) cd->insn_table.init_entries;
 863   for (i = 0; i < MAX_INSNS; ++i)
 864     {
 865       insns[i].opcode = &oc[i];
 866       lm32_cgen_build_insn_regex (& insns[i]);
 867     }
 868
 869   cd->sizeof_fields = sizeof (CGEN_FIELDS);
 870   cd->set_fields_bitsize = set_fields_bitsize;
 871
 872   cd->asm_hash_p = asm_hash_insn_p;
 873   cd->asm_hash = asm_hash_insn;
 874   cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
 875
 876   cd->dis_hash_p = dis_hash_insn_p;
 877   cd->dis_hash = dis_hash_insn;
 878   cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
 879 }