1 /* Instruction opcode table for openrisc.
2 
3 THIS FILE IS MACHINE GENERATED WITH CGEN.
4 
5 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
6 
7 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
8 
9 This program 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 2, or (at your option)
12 any later version.
13 
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 GNU General Public 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 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 PARAMS ((const CGEN_INSN *));
39 static unsigned int asm_hash_insn PARAMS ((const char *));
40 static int dis_hash_insn_p PARAMS ((const CGEN_INSN *));
41 static unsigned int dis_hash_insn PARAMS ((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 = {
51   0, 0, 0x0, { { 0 } }
52 };
53 
54 static const CGEN_IFMT ifmt_l_j = {
55   32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_ABS26) }, { 0 } }
56 };
57 
58 static const CGEN_IFMT ifmt_l_jr = {
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 = {
63   32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_DISP26) }, { 0 } }
64 };
65 
66 static const CGEN_IFMT ifmt_l_movhi = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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 = {
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) } }
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 static void set_fields_bitsize PARAMS ((CGEN_FIELDS *, int));
654 
655 /* Set the recorded length of the insn in the CGEN_FIELDS struct.  */
656 
657 static void
658 set_fields_bitsize (fields, size)
659      CGEN_FIELDS *fields;
660      int size;
661 {
662   CGEN_FIELDS_BITSIZE (fields) = size;
663 }
664 
665 /* Function to call before using the operand instance table.
666    This plugs the opcode entries and macro instructions into the cpu table.  */
667 
668 void
669 openrisc_cgen_init_opcode_table (cd)
670      CGEN_CPU_DESC cd;
671 {
672   int i;
673   int num_macros = (sizeof (openrisc_cgen_macro_insn_table) /
674 		    sizeof (openrisc_cgen_macro_insn_table[0]));
675   const CGEN_IBASE *ib = & openrisc_cgen_macro_insn_table[0];
676   const CGEN_OPCODE *oc = & openrisc_cgen_macro_insn_opcode_table[0];
677   CGEN_INSN *insns = (CGEN_INSN *) xmalloc (num_macros * sizeof (CGEN_INSN));
678   memset (insns, 0, num_macros * sizeof (CGEN_INSN));
679   for (i = 0; i < num_macros; ++i)
680     {
681       insns[i].base = &ib[i];
682       insns[i].opcode = &oc[i];
683       openrisc_cgen_build_insn_regex (& insns[i]);
684     }
685   cd->macro_insn_table.init_entries = insns;
686   cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
687   cd->macro_insn_table.num_init_entries = num_macros;
688 
689   oc = & openrisc_cgen_insn_opcode_table[0];
690   insns = (CGEN_INSN *) cd->insn_table.init_entries;
691   for (i = 0; i < MAX_INSNS; ++i)
692     {
693       insns[i].opcode = &oc[i];
694       openrisc_cgen_build_insn_regex (& insns[i]);
695     }
696 
697   cd->sizeof_fields = sizeof (CGEN_FIELDS);
698   cd->set_fields_bitsize = set_fields_bitsize;
699 
700   cd->asm_hash_p = asm_hash_insn_p;
701   cd->asm_hash = asm_hash_insn;
702   cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
703 
704   cd->dis_hash_p = dis_hash_insn_p;
705   cd->dis_hash = dis_hash_insn;
706   cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
707 }
708