OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [opcodes/] [openrisc-opc.c] - Blame information for rev 156

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 38 julius
/* Instruction opcode table for openrisc.
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 "openrisc-desc.h"
30
#include "openrisc-opc.h"
31
#include "libiberty.h"
32
 
33
/* -- opc.c */
34
/* -- */
35
/* The hash functions are recorded here to help keep assembler code out of
36
   the disassembler and vice versa.  */
37
 
38
static int asm_hash_insn_p        (const CGEN_INSN *);
39
static unsigned int asm_hash_insn (const char *);
40
static int dis_hash_insn_p        (const CGEN_INSN *);
41
static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT);
42
 
43
/* Instruction formats.  */
44
 
45
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
46
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
47
#else
48
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
49
#endif
50
static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = {
51
  0, 0, 0x0, { { 0 } }
52
};
53
 
54
static const CGEN_IFMT ifmt_l_j ATTRIBUTE_UNUSED = {
55
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_ABS26) }, { 0 } }
56
};
57
 
58
static const CGEN_IFMT ifmt_l_jr ATTRIBUTE_UNUSED = {
59
  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
60
};
61
 
62
static const CGEN_IFMT ifmt_l_bal ATTRIBUTE_UNUSED = {
63
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_DISP26) }, { 0 } }
64
};
65
 
66
static const CGEN_IFMT ifmt_l_movhi ATTRIBUTE_UNUSED = {
67
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
68
};
69
 
70
static const CGEN_IFMT ifmt_l_mfsr ATTRIBUTE_UNUSED = {
71
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
72
};
73
 
74
static const CGEN_IFMT ifmt_l_mtsr ATTRIBUTE_UNUSED = {
75
  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_I16_1) }, { 0 } }
76
};
77
 
78
static const CGEN_IFMT ifmt_l_lw ATTRIBUTE_UNUSED = {
79
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
80
};
81
 
82
static const CGEN_IFMT ifmt_l_sw ATTRIBUTE_UNUSED = {
83
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R3) }, { F (F_I16NC) }, { 0 } }
84
};
85
 
86
static const CGEN_IFMT ifmt_l_sll ATTRIBUTE_UNUSED = {
87
  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 } }
88
};
89
 
90
static const CGEN_IFMT ifmt_l_slli ATTRIBUTE_UNUSED = {
91
  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 } }
92
};
93
 
94
static const CGEN_IFMT ifmt_l_add ATTRIBUTE_UNUSED = {
95
  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 } }
96
};
97
 
98
static const CGEN_IFMT ifmt_l_addi ATTRIBUTE_UNUSED = {
99
  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_LO16) }, { 0 } }
100
};
101
 
102
static const CGEN_IFMT ifmt_l_sfgts ATTRIBUTE_UNUSED = {
103
  32, 32, 0xffe007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_11) }, { 0 } }
104
};
105
 
106
static const CGEN_IFMT ifmt_l_sfgtsi ATTRIBUTE_UNUSED = {
107
  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
108
};
109
 
110
static const CGEN_IFMT ifmt_l_sfgtui ATTRIBUTE_UNUSED = {
111
  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
112
};
113
 
114
#undef F
115
 
116
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
117
#define A(a) (1 << CGEN_INSN_##a)
118
#else
119
#define A(a) (1 << CGEN_INSN_/**/a)
120
#endif
121
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
122
#define OPERAND(op) OPENRISC_OPERAND_##op
123
#else
124
#define OPERAND(op) OPENRISC_OPERAND_/**/op
125
#endif
126
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
127
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
128
 
129
/* The instruction table.  */
130
 
131
static const CGEN_OPCODE openrisc_cgen_insn_opcode_table[MAX_INSNS] =
132
{
133
  /* Special null first entry.
134
     A `num' value of zero is thus invalid.
135
     Also, the special `invalid' insn resides here.  */
136
  { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
137
/* l.j ${abs-26} */
138
  {
139
    { 0, 0, 0, 0 },
140
    { { MNEM, ' ', OP (ABS_26), 0 } },
141
    & ifmt_l_j, { 0x0 }
142
  },
143
/* l.jal ${abs-26} */
144
  {
145
    { 0, 0, 0, 0 },
146
    { { MNEM, ' ', OP (ABS_26), 0 } },
147
    & ifmt_l_j, { 0x4000000 }
148
  },
149
/* l.jr $rA */
150
  {
151
    { 0, 0, 0, 0 },
152
    { { MNEM, ' ', OP (RA), 0 } },
153
    & ifmt_l_jr, { 0x14000000 }
154
  },
155
/* l.jalr $rA */
156
  {
157
    { 0, 0, 0, 0 },
158
    { { MNEM, ' ', OP (RA), 0 } },
159
    & ifmt_l_jr, { 0x14200000 }
160
  },
161
/* l.bal ${disp-26} */
162
  {
163
    { 0, 0, 0, 0 },
164
    { { MNEM, ' ', OP (DISP_26), 0 } },
165
    & ifmt_l_bal, { 0x8000000 }
166
  },
167
/* l.bnf ${disp-26} */
168
  {
169
    { 0, 0, 0, 0 },
170
    { { MNEM, ' ', OP (DISP_26), 0 } },
171
    & ifmt_l_bal, { 0xc000000 }
172
  },
173
/* l.bf ${disp-26} */
174
  {
175
    { 0, 0, 0, 0 },
176
    { { MNEM, ' ', OP (DISP_26), 0 } },
177
    & ifmt_l_bal, { 0x10000000 }
178
  },
179
/* l.brk ${uimm-16} */
180
  {
181
    { 0, 0, 0, 0 },
182
    { { MNEM, ' ', OP (UIMM_16), 0 } },
183
    & ifmt_l_jr, { 0x17000000 }
184
  },
185
/* l.rfe $rA */
186
  {
187
    { 0, 0, 0, 0 },
188
    { { MNEM, ' ', OP (RA), 0 } },
189
    & ifmt_l_jr, { 0x14400000 }
190
  },
191
/* l.sys ${uimm-16} */
192
  {
193
    { 0, 0, 0, 0 },
194
    { { MNEM, ' ', OP (UIMM_16), 0 } },
195
    & ifmt_l_jr, { 0x16000000 }
196
  },
197
/* l.nop */
198
  {
199
    { 0, 0, 0, 0 },
200
    { { MNEM, 0 } },
201
    & ifmt_l_jr, { 0x15000000 }
202
  },
203
/* l.movhi $rD,$hi16 */
204
  {
205
    { 0, 0, 0, 0 },
206
    { { MNEM, ' ', OP (RD), ',', OP (HI16), 0 } },
207
    & ifmt_l_movhi, { 0x18000000 }
208
  },
209
/* l.mfsr $rD,$rA */
210
  {
211
    { 0, 0, 0, 0 },
212
    { { MNEM, ' ', OP (RD), ',', OP (RA), 0 } },
213
    & ifmt_l_mfsr, { 0x1c000000 }
214
  },
215
/* l.mtsr $rA,$rB */
216
  {
217
    { 0, 0, 0, 0 },
218
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
219
    & ifmt_l_mtsr, { 0x40000000 }
220
  },
221
/* l.lw $rD,${simm-16}($rA) */
222
  {
223
    { 0, 0, 0, 0 },
224
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
225
    & ifmt_l_lw, { 0x80000000 }
226
  },
227
/* l.lbz $rD,${simm-16}($rA) */
228
  {
229
    { 0, 0, 0, 0 },
230
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
231
    & ifmt_l_lw, { 0x84000000 }
232
  },
233
/* l.lbs $rD,${simm-16}($rA) */
234
  {
235
    { 0, 0, 0, 0 },
236
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
237
    & ifmt_l_lw, { 0x88000000 }
238
  },
239
/* l.lhz $rD,${simm-16}($rA) */
240
  {
241
    { 0, 0, 0, 0 },
242
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
243
    & ifmt_l_lw, { 0x8c000000 }
244
  },
245
/* l.lhs $rD,${simm-16}($rA) */
246
  {
247
    { 0, 0, 0, 0 },
248
    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
249
    & ifmt_l_lw, { 0x90000000 }
250
  },
251
/* l.sw ${ui16nc}($rA),$rB */
252
  {
253
    { 0, 0, 0, 0 },
254
    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
255
    & ifmt_l_sw, { 0xd4000000 }
256
  },
257
/* l.sb ${ui16nc}($rA),$rB */
258
  {
259
    { 0, 0, 0, 0 },
260
    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
261
    & ifmt_l_sw, { 0xd8000000 }
262
  },
263
/* l.sh ${ui16nc}($rA),$rB */
264
  {
265
    { 0, 0, 0, 0 },
266
    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
267
    & ifmt_l_sw, { 0xdc000000 }
268
  },
269
/* l.sll $rD,$rA,$rB */
270
  {
271
    { 0, 0, 0, 0 },
272
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
273
    & ifmt_l_sll, { 0xe0000008 }
274
  },
275
/* l.slli $rD,$rA,${uimm-5} */
276
  {
277
    { 0, 0, 0, 0 },
278
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
279
    & ifmt_l_slli, { 0xb4000000 }
280
  },
281
/* l.srl $rD,$rA,$rB */
282
  {
283
    { 0, 0, 0, 0 },
284
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
285
    & ifmt_l_sll, { 0xe0000028 }
286
  },
287
/* l.srli $rD,$rA,${uimm-5} */
288
  {
289
    { 0, 0, 0, 0 },
290
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
291
    & ifmt_l_slli, { 0xb4000020 }
292
  },
293
/* l.sra $rD,$rA,$rB */
294
  {
295
    { 0, 0, 0, 0 },
296
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
297
    & ifmt_l_sll, { 0xe0000048 }
298
  },
299
/* l.srai $rD,$rA,${uimm-5} */
300
  {
301
    { 0, 0, 0, 0 },
302
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
303
    & ifmt_l_slli, { 0xb4000040 }
304
  },
305
/* l.ror $rD,$rA,$rB */
306
  {
307
    { 0, 0, 0, 0 },
308
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
309
    & ifmt_l_sll, { 0xe0000088 }
310
  },
311
/* l.rori $rD,$rA,${uimm-5} */
312
  {
313
    { 0, 0, 0, 0 },
314
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
315
    & ifmt_l_slli, { 0xb4000080 }
316
  },
317
/* l.add $rD,$rA,$rB */
318
  {
319
    { 0, 0, 0, 0 },
320
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
321
    & ifmt_l_add, { 0xe0000000 }
322
  },
323
/* l.addi $rD,$rA,$lo16 */
324
  {
325
    { 0, 0, 0, 0 },
326
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
327
    & ifmt_l_addi, { 0x94000000 }
328
  },
329
/* l.sub $rD,$rA,$rB */
330
  {
331
    { 0, 0, 0, 0 },
332
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
333
    & ifmt_l_add, { 0xe0000002 }
334
  },
335
/* l.subi $rD,$rA,$lo16 */
336
  {
337
    { 0, 0, 0, 0 },
338
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
339
    & ifmt_l_addi, { 0x9c000000 }
340
  },
341
/* l.and $rD,$rA,$rB */
342
  {
343
    { 0, 0, 0, 0 },
344
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
345
    & ifmt_l_add, { 0xe0000003 }
346
  },
347
/* l.andi $rD,$rA,$lo16 */
348
  {
349
    { 0, 0, 0, 0 },
350
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
351
    & ifmt_l_addi, { 0xa0000000 }
352
  },
353
/* l.or $rD,$rA,$rB */
354
  {
355
    { 0, 0, 0, 0 },
356
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
357
    & ifmt_l_add, { 0xe0000004 }
358
  },
359
/* l.ori $rD,$rA,$lo16 */
360
  {
361
    { 0, 0, 0, 0 },
362
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
363
    & ifmt_l_addi, { 0xa4000000 }
364
  },
365
/* l.xor $rD,$rA,$rB */
366
  {
367
    { 0, 0, 0, 0 },
368
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
369
    & ifmt_l_add, { 0xe0000005 }
370
  },
371
/* l.xori $rD,$rA,$lo16 */
372
  {
373
    { 0, 0, 0, 0 },
374
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
375
    & ifmt_l_addi, { 0xa8000000 }
376
  },
377
/* l.mul $rD,$rA,$rB */
378
  {
379
    { 0, 0, 0, 0 },
380
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
381
    & ifmt_l_add, { 0xe0000006 }
382
  },
383
/* l.muli $rD,$rA,$lo16 */
384
  {
385
    { 0, 0, 0, 0 },
386
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
387
    & ifmt_l_addi, { 0xac000000 }
388
  },
389
/* l.div $rD,$rA,$rB */
390
  {
391
    { 0, 0, 0, 0 },
392
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
393
    & ifmt_l_add, { 0xe0000009 }
394
  },
395
/* l.divu $rD,$rA,$rB */
396
  {
397
    { 0, 0, 0, 0 },
398
    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
399
    & ifmt_l_add, { 0xe000000a }
400
  },
401
/* l.sfgts $rA,$rB */
402
  {
403
    { 0, 0, 0, 0 },
404
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
405
    & ifmt_l_sfgts, { 0xe4c00000 }
406
  },
407
/* l.sfgtu $rA,$rB */
408
  {
409
    { 0, 0, 0, 0 },
410
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
411
    & ifmt_l_sfgts, { 0xe4400000 }
412
  },
413
/* l.sfges $rA,$rB */
414
  {
415
    { 0, 0, 0, 0 },
416
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
417
    & ifmt_l_sfgts, { 0xe4e00000 }
418
  },
419
/* l.sfgeu $rA,$rB */
420
  {
421
    { 0, 0, 0, 0 },
422
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
423
    & ifmt_l_sfgts, { 0xe4600000 }
424
  },
425
/* l.sflts $rA,$rB */
426
  {
427
    { 0, 0, 0, 0 },
428
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
429
    & ifmt_l_sfgts, { 0xe5000000 }
430
  },
431
/* l.sfltu $rA,$rB */
432
  {
433
    { 0, 0, 0, 0 },
434
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
435
    & ifmt_l_sfgts, { 0xe4800000 }
436
  },
437
/* l.sfles $rA,$rB */
438
  {
439
    { 0, 0, 0, 0 },
440
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
441
    & ifmt_l_sfgts, { 0xe5200000 }
442
  },
443
/* l.sfleu $rA,$rB */
444
  {
445
    { 0, 0, 0, 0 },
446
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
447
    & ifmt_l_sfgts, { 0xe4a00000 }
448
  },
449
/* l.sfgtsi $rA,${simm-16} */
450
  {
451
    { 0, 0, 0, 0 },
452
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
453
    & ifmt_l_sfgtsi, { 0xb8c00000 }
454
  },
455
/* l.sfgtui $rA,${uimm-16} */
456
  {
457
    { 0, 0, 0, 0 },
458
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
459
    & ifmt_l_sfgtui, { 0xb8400000 }
460
  },
461
/* l.sfgesi $rA,${simm-16} */
462
  {
463
    { 0, 0, 0, 0 },
464
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
465
    & ifmt_l_sfgtsi, { 0xb8e00000 }
466
  },
467
/* l.sfgeui $rA,${uimm-16} */
468
  {
469
    { 0, 0, 0, 0 },
470
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
471
    & ifmt_l_sfgtui, { 0xb8600000 }
472
  },
473
/* l.sfltsi $rA,${simm-16} */
474
  {
475
    { 0, 0, 0, 0 },
476
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
477
    & ifmt_l_sfgtsi, { 0xb9000000 }
478
  },
479
/* l.sfltui $rA,${uimm-16} */
480
  {
481
    { 0, 0, 0, 0 },
482
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
483
    & ifmt_l_sfgtui, { 0xb8800000 }
484
  },
485
/* l.sflesi $rA,${simm-16} */
486
  {
487
    { 0, 0, 0, 0 },
488
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
489
    & ifmt_l_sfgtsi, { 0xb9200000 }
490
  },
491
/* l.sfleui $rA,${uimm-16} */
492
  {
493
    { 0, 0, 0, 0 },
494
    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
495
    & ifmt_l_sfgtui, { 0xb8a00000 }
496
  },
497
/* l.sfeq $rA,$rB */
498
  {
499
    { 0, 0, 0, 0 },
500
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
501
    & ifmt_l_sfgts, { 0xe4000000 }
502
  },
503
/* l.sfeqi $rA,${simm-16} */
504
  {
505
    { 0, 0, 0, 0 },
506
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
507
    & ifmt_l_sfgtsi, { 0xb8000000 }
508
  },
509
/* l.sfne $rA,$rB */
510
  {
511
    { 0, 0, 0, 0 },
512
    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
513
    & ifmt_l_sfgts, { 0xe4200000 }
514
  },
515
/* l.sfnei $rA,${simm-16} */
516
  {
517
    { 0, 0, 0, 0 },
518
    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
519
    & ifmt_l_sfgtsi, { 0xb8200000 }
520
  },
521
};
522
 
523
#undef A
524
#undef OPERAND
525
#undef MNEM
526
#undef OP
527
 
528
/* Formats for ALIAS macro-insns.  */
529
 
530
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
531
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
532
#else
533
#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
534
#endif
535
static const CGEN_IFMT ifmt_l_ret ATTRIBUTE_UNUSED = {
536
  32, 32, 0xffffffff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
537
};
538
 
539
#undef F
540
 
541
/* Each non-simple macro entry points to an array of expansion possibilities.  */
542
 
543
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
544
#define A(a) (1 << CGEN_INSN_##a)
545
#else
546
#define A(a) (1 << CGEN_INSN_/**/a)
547
#endif
548
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
549
#define OPERAND(op) OPENRISC_OPERAND_##op
550
#else
551
#define OPERAND(op) OPENRISC_OPERAND_/**/op
552
#endif
553
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
554
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
555
 
556
/* The macro instruction table.  */
557
 
558
static const CGEN_IBASE openrisc_cgen_macro_insn_table[] =
559
{
560
/* l.ret */
561
  {
562
    -1, "l-ret", "l.ret", 32,
563
    { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
564
  },
565
};
566
 
567
/* The macro instruction opcode table.  */
568
 
569
static const CGEN_OPCODE openrisc_cgen_macro_insn_opcode_table[] =
570
{
571
/* l.ret */
572
  {
573
    { 0, 0, 0, 0 },
574
    { { MNEM, 0 } },
575
    & ifmt_l_ret, { 0x140b0000 }
576
  },
577
};
578
 
579
#undef A
580
#undef OPERAND
581
#undef MNEM
582
#undef OP
583
 
584
#ifndef CGEN_ASM_HASH_P
585
#define CGEN_ASM_HASH_P(insn) 1
586
#endif
587
 
588
#ifndef CGEN_DIS_HASH_P
589
#define CGEN_DIS_HASH_P(insn) 1
590
#endif
591
 
592
/* Return non-zero if INSN is to be added to the hash table.
593
   Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */
594
 
595
static int
596
asm_hash_insn_p (insn)
597
     const CGEN_INSN *insn ATTRIBUTE_UNUSED;
598
{
599
  return CGEN_ASM_HASH_P (insn);
600
}
601
 
602
static int
603
dis_hash_insn_p (insn)
604
     const CGEN_INSN *insn;
605
{
606
  /* If building the hash table and the NO-DIS attribute is present,
607
     ignore.  */
608
  if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
609
    return 0;
610
  return CGEN_DIS_HASH_P (insn);
611
}
612
 
613
#ifndef CGEN_ASM_HASH
614
#define CGEN_ASM_HASH_SIZE 127
615
#ifdef CGEN_MNEMONIC_OPERANDS
616
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
617
#else
618
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
619
#endif
620
#endif
621
 
622
/* It doesn't make much sense to provide a default here,
623
   but while this is under development we do.
624
   BUFFER is a pointer to the bytes of the insn, target order.
625
   VALUE is the first base_insn_bitsize bits as an int in host order.  */
626
 
627
#ifndef CGEN_DIS_HASH
628
#define CGEN_DIS_HASH_SIZE 256
629
#define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
630
#endif
631
 
632
/* The result is the hash value of the insn.
633
   Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */
634
 
635
static unsigned int
636
asm_hash_insn (mnem)
637
     const char * mnem;
638
{
639
  return CGEN_ASM_HASH (mnem);
640
}
641
 
642
/* BUF is a pointer to the bytes of the insn, target order.
643
   VALUE is the first base_insn_bitsize bits as an int in host order.  */
644
 
645
static unsigned int
646
dis_hash_insn (buf, value)
647
     const char * buf ATTRIBUTE_UNUSED;
648
     CGEN_INSN_INT value ATTRIBUTE_UNUSED;
649
{
650
  return CGEN_DIS_HASH (buf, value);
651
}
652
 
653
/* Set the recorded length of the insn in the CGEN_FIELDS struct.  */
654
 
655
static void
656
set_fields_bitsize (CGEN_FIELDS *fields, int size)
657
{
658
  CGEN_FIELDS_BITSIZE (fields) = size;
659
}
660
 
661
/* Function to call before using the operand instance table.
662
   This plugs the opcode entries and macro instructions into the cpu table.  */
663
 
664
void
665
openrisc_cgen_init_opcode_table (CGEN_CPU_DESC cd)
666
{
667
  int i;
668
  int num_macros = (sizeof (openrisc_cgen_macro_insn_table) /
669
                    sizeof (openrisc_cgen_macro_insn_table[0]));
670
  const CGEN_IBASE *ib = & openrisc_cgen_macro_insn_table[0];
671
  const CGEN_OPCODE *oc = & openrisc_cgen_macro_insn_opcode_table[0];
672
  CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN));
673
 
674
  memset (insns, 0, num_macros * sizeof (CGEN_INSN));
675
  for (i = 0; i < num_macros; ++i)
676
    {
677
      insns[i].base = &ib[i];
678
      insns[i].opcode = &oc[i];
679
      openrisc_cgen_build_insn_regex (& insns[i]);
680
    }
681
  cd->macro_insn_table.init_entries = insns;
682
  cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
683
  cd->macro_insn_table.num_init_entries = num_macros;
684
 
685
  oc = & openrisc_cgen_insn_opcode_table[0];
686
  insns = (CGEN_INSN *) cd->insn_table.init_entries;
687
  for (i = 0; i < MAX_INSNS; ++i)
688
    {
689
      insns[i].opcode = &oc[i];
690
      openrisc_cgen_build_insn_regex (& insns[i]);
691
    }
692
 
693
  cd->sizeof_fields = sizeof (CGEN_FIELDS);
694
  cd->set_fields_bitsize = set_fields_bitsize;
695
 
696
  cd->asm_hash_p = asm_hash_insn_p;
697
  cd->asm_hash = asm_hash_insn;
698
  cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
699
 
700
  cd->dis_hash_p = dis_hash_insn_p;
701
  cd->dis_hash = dis_hash_insn;
702
  cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
703
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.