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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [opcodes/] [openrisc-opc.c] - Blame information for rev 308

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn 
/* Instruction opcode table for openrisc.
2 
 
3 
THIS FILE IS MACHINE GENERATED WITH CGEN.
4 
 
5 225 jeremybenn 
Copyright 1996-2009 Free Software Foundation, Inc.
6 24 jeremybenn 
 
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 
 
674 225 jeremybenn 
  /* This test has been added to avoid a warning generated
675 
     if memset is called with a third argument of value zero.  */
676 
  if (num_macros >= 1)
677 
    memset (insns, 0, num_macros * sizeof (CGEN_INSN));
678 24 jeremybenn 
  for (i = 0; i < num_macros; ++i)
679 
    {
680 
      insns[i].base = &ib[i];
681 
      insns[i].opcode = &oc[i];
682 
      openrisc_cgen_build_insn_regex (& insns[i]);
683 
    }
684 
  cd->macro_insn_table.init_entries = insns;
685 
  cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
686 
  cd->macro_insn_table.num_init_entries = num_macros;
687 
 
688 
  oc = & openrisc_cgen_insn_opcode_table[0];
689 
  insns = (CGEN_INSN *) cd->insn_table.init_entries;
690 
  for (i = 0; i < MAX_INSNS; ++i)
691 
    {
692 
      insns[i].opcode = &oc[i];
693 
      openrisc_cgen_build_insn_regex (& insns[i]);
694 
    }
695 
 
696 
  cd->sizeof_fields = sizeof (CGEN_FIELDS);
697 
  cd->set_fields_bitsize = set_fields_bitsize;
698 
 
699 
  cd->asm_hash_p = asm_hash_insn_p;
700 
  cd->asm_hash = asm_hash_insn;
701 
  cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
702 
 
703 
  cd->dis_hash_p = dis_hash_insn_p;
704 
  cd->dis_hash = dis_hash_insn;
705 
  cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
706 
}

powered by: WebSVN 2.1.0

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