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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [sim/] [lm32/] [decode.c] - Blame information for rev 855

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1 227 jeremybenn
/* Simulator instruction decoder for lm32bf.
2
 
3
THIS FILE IS MACHINE GENERATED WITH CGEN.
4
 
5
Copyright 1996-2010 Free Software Foundation, Inc.
6
 
7
This file is part of the GNU simulators.
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
#define WANT_CPU lm32bf
26
#define WANT_CPU_LM32BF
27
 
28
#include "sim-main.h"
29
#include "sim-assert.h"
30
 
31
/* The instruction descriptor array.
32
   This is computed at runtime.  Space for it is not malloc'd to save a
33
   teensy bit of cpu in the decoder.  Moving it to malloc space is trivial
34
   but won't be done until necessary (we don't currently support the runtime
35
   addition of instructions nor an SMP machine with different cpus).  */
36
static IDESC lm32bf_insn_data[LM32BF_INSN__MAX];
37
 
38
/* Commas between elements are contained in the macros.
39
   Some of these are conditionally compiled out.  */
40
 
41
static const struct insn_sem lm32bf_insn_sem[] =
42
{
43
  { VIRTUAL_INSN_X_INVALID, LM32BF_INSN_X_INVALID, LM32BF_SFMT_EMPTY },
44
  { VIRTUAL_INSN_X_AFTER, LM32BF_INSN_X_AFTER, LM32BF_SFMT_EMPTY },
45
  { VIRTUAL_INSN_X_BEFORE, LM32BF_INSN_X_BEFORE, LM32BF_SFMT_EMPTY },
46
  { VIRTUAL_INSN_X_CTI_CHAIN, LM32BF_INSN_X_CTI_CHAIN, LM32BF_SFMT_EMPTY },
47
  { VIRTUAL_INSN_X_CHAIN, LM32BF_INSN_X_CHAIN, LM32BF_SFMT_EMPTY },
48
  { VIRTUAL_INSN_X_BEGIN, LM32BF_INSN_X_BEGIN, LM32BF_SFMT_EMPTY },
49
  { LM32_INSN_ADD, LM32BF_INSN_ADD, LM32BF_SFMT_ADD },
50
  { LM32_INSN_ADDI, LM32BF_INSN_ADDI, LM32BF_SFMT_ADDI },
51
  { LM32_INSN_AND, LM32BF_INSN_AND, LM32BF_SFMT_ADD },
52
  { LM32_INSN_ANDI, LM32BF_INSN_ANDI, LM32BF_SFMT_ANDI },
53
  { LM32_INSN_ANDHII, LM32BF_INSN_ANDHII, LM32BF_SFMT_ANDHII },
54
  { LM32_INSN_B, LM32BF_INSN_B, LM32BF_SFMT_B },
55
  { LM32_INSN_BI, LM32BF_INSN_BI, LM32BF_SFMT_BI },
56
  { LM32_INSN_BE, LM32BF_INSN_BE, LM32BF_SFMT_BE },
57
  { LM32_INSN_BG, LM32BF_INSN_BG, LM32BF_SFMT_BE },
58
  { LM32_INSN_BGE, LM32BF_INSN_BGE, LM32BF_SFMT_BE },
59
  { LM32_INSN_BGEU, LM32BF_INSN_BGEU, LM32BF_SFMT_BE },
60
  { LM32_INSN_BGU, LM32BF_INSN_BGU, LM32BF_SFMT_BE },
61
  { LM32_INSN_BNE, LM32BF_INSN_BNE, LM32BF_SFMT_BE },
62
  { LM32_INSN_CALL, LM32BF_INSN_CALL, LM32BF_SFMT_CALL },
63
  { LM32_INSN_CALLI, LM32BF_INSN_CALLI, LM32BF_SFMT_CALLI },
64
  { LM32_INSN_CMPE, LM32BF_INSN_CMPE, LM32BF_SFMT_ADD },
65
  { LM32_INSN_CMPEI, LM32BF_INSN_CMPEI, LM32BF_SFMT_ADDI },
66
  { LM32_INSN_CMPG, LM32BF_INSN_CMPG, LM32BF_SFMT_ADD },
67
  { LM32_INSN_CMPGI, LM32BF_INSN_CMPGI, LM32BF_SFMT_ADDI },
68
  { LM32_INSN_CMPGE, LM32BF_INSN_CMPGE, LM32BF_SFMT_ADD },
69
  { LM32_INSN_CMPGEI, LM32BF_INSN_CMPGEI, LM32BF_SFMT_ADDI },
70
  { LM32_INSN_CMPGEU, LM32BF_INSN_CMPGEU, LM32BF_SFMT_ADD },
71
  { LM32_INSN_CMPGEUI, LM32BF_INSN_CMPGEUI, LM32BF_SFMT_ANDI },
72
  { LM32_INSN_CMPGU, LM32BF_INSN_CMPGU, LM32BF_SFMT_ADD },
73
  { LM32_INSN_CMPGUI, LM32BF_INSN_CMPGUI, LM32BF_SFMT_ANDI },
74
  { LM32_INSN_CMPNE, LM32BF_INSN_CMPNE, LM32BF_SFMT_ADD },
75
  { LM32_INSN_CMPNEI, LM32BF_INSN_CMPNEI, LM32BF_SFMT_ADDI },
76
  { LM32_INSN_DIVU, LM32BF_INSN_DIVU, LM32BF_SFMT_DIVU },
77
  { LM32_INSN_LB, LM32BF_INSN_LB, LM32BF_SFMT_LB },
78
  { LM32_INSN_LBU, LM32BF_INSN_LBU, LM32BF_SFMT_LB },
79
  { LM32_INSN_LH, LM32BF_INSN_LH, LM32BF_SFMT_LH },
80
  { LM32_INSN_LHU, LM32BF_INSN_LHU, LM32BF_SFMT_LH },
81
  { LM32_INSN_LW, LM32BF_INSN_LW, LM32BF_SFMT_LW },
82
  { LM32_INSN_MODU, LM32BF_INSN_MODU, LM32BF_SFMT_DIVU },
83
  { LM32_INSN_MUL, LM32BF_INSN_MUL, LM32BF_SFMT_ADD },
84
  { LM32_INSN_MULI, LM32BF_INSN_MULI, LM32BF_SFMT_ADDI },
85
  { LM32_INSN_NOR, LM32BF_INSN_NOR, LM32BF_SFMT_ADD },
86
  { LM32_INSN_NORI, LM32BF_INSN_NORI, LM32BF_SFMT_ANDI },
87
  { LM32_INSN_OR, LM32BF_INSN_OR, LM32BF_SFMT_ADD },
88
  { LM32_INSN_ORI, LM32BF_INSN_ORI, LM32BF_SFMT_ORI },
89
  { LM32_INSN_ORHII, LM32BF_INSN_ORHII, LM32BF_SFMT_ANDHII },
90
  { LM32_INSN_RCSR, LM32BF_INSN_RCSR, LM32BF_SFMT_RCSR },
91
  { LM32_INSN_SB, LM32BF_INSN_SB, LM32BF_SFMT_SB },
92
  { LM32_INSN_SEXTB, LM32BF_INSN_SEXTB, LM32BF_SFMT_SEXTB },
93
  { LM32_INSN_SEXTH, LM32BF_INSN_SEXTH, LM32BF_SFMT_SEXTB },
94
  { LM32_INSN_SH, LM32BF_INSN_SH, LM32BF_SFMT_SH },
95
  { LM32_INSN_SL, LM32BF_INSN_SL, LM32BF_SFMT_ADD },
96
  { LM32_INSN_SLI, LM32BF_INSN_SLI, LM32BF_SFMT_ADDI },
97
  { LM32_INSN_SR, LM32BF_INSN_SR, LM32BF_SFMT_ADD },
98
  { LM32_INSN_SRI, LM32BF_INSN_SRI, LM32BF_SFMT_ADDI },
99
  { LM32_INSN_SRU, LM32BF_INSN_SRU, LM32BF_SFMT_ADD },
100
  { LM32_INSN_SRUI, LM32BF_INSN_SRUI, LM32BF_SFMT_ADDI },
101
  { LM32_INSN_SUB, LM32BF_INSN_SUB, LM32BF_SFMT_ADD },
102
  { LM32_INSN_SW, LM32BF_INSN_SW, LM32BF_SFMT_SW },
103
  { LM32_INSN_USER, LM32BF_INSN_USER, LM32BF_SFMT_USER },
104
  { LM32_INSN_WCSR, LM32BF_INSN_WCSR, LM32BF_SFMT_WCSR },
105
  { LM32_INSN_XOR, LM32BF_INSN_XOR, LM32BF_SFMT_ADD },
106
  { LM32_INSN_XORI, LM32BF_INSN_XORI, LM32BF_SFMT_ANDI },
107
  { LM32_INSN_XNOR, LM32BF_INSN_XNOR, LM32BF_SFMT_ADD },
108
  { LM32_INSN_XNORI, LM32BF_INSN_XNORI, LM32BF_SFMT_ANDI },
109
  { LM32_INSN_BREAK, LM32BF_INSN_BREAK, LM32BF_SFMT_BREAK },
110
  { LM32_INSN_SCALL, LM32BF_INSN_SCALL, LM32BF_SFMT_BREAK },
111
};
112
 
113
static const struct insn_sem lm32bf_insn_sem_invalid =
114
{
115
  VIRTUAL_INSN_X_INVALID, LM32BF_INSN_X_INVALID, LM32BF_SFMT_EMPTY
116
};
117
 
118
/* Initialize an IDESC from the compile-time computable parts.  */
119
 
120
static INLINE void
121
init_idesc (SIM_CPU *cpu, IDESC *id, const struct insn_sem *t)
122
{
123
  const CGEN_INSN *insn_table = CGEN_CPU_INSN_TABLE (CPU_CPU_DESC (cpu))->init_entries;
124
 
125
  id->num = t->index;
126
  id->sfmt = t->sfmt;
127
  if ((int) t->type <= 0)
128
    id->idata = & cgen_virtual_insn_table[- (int) t->type];
129
  else
130
    id->idata = & insn_table[t->type];
131
  id->attrs = CGEN_INSN_ATTRS (id->idata);
132
  /* Oh my god, a magic number.  */
133
  id->length = CGEN_INSN_BITSIZE (id->idata) / 8;
134
 
135
#if WITH_PROFILE_MODEL_P
136
  id->timing = & MODEL_TIMING (CPU_MODEL (cpu)) [t->index];
137
  {
138
    SIM_DESC sd = CPU_STATE (cpu);
139
    SIM_ASSERT (t->index == id->timing->num);
140
  }
141
#endif
142
 
143
  /* Semantic pointers are initialized elsewhere.  */
144
}
145
 
146
/* Initialize the instruction descriptor table.  */
147
 
148
void
149
lm32bf_init_idesc_table (SIM_CPU *cpu)
150
{
151
  IDESC *id,*tabend;
152
  const struct insn_sem *t,*tend;
153
  int tabsize = LM32BF_INSN__MAX;
154
  IDESC *table = lm32bf_insn_data;
155
 
156
  memset (table, 0, tabsize * sizeof (IDESC));
157
 
158
  /* First set all entries to the `invalid insn'.  */
159
  t = & lm32bf_insn_sem_invalid;
160
  for (id = table, tabend = table + tabsize; id < tabend; ++id)
161
    init_idesc (cpu, id, t);
162
 
163
  /* Now fill in the values for the chosen cpu.  */
164
  for (t = lm32bf_insn_sem, tend = t + sizeof (lm32bf_insn_sem) / sizeof (*t);
165
       t != tend; ++t)
166
    {
167
      init_idesc (cpu, & table[t->index], t);
168
    }
169
 
170
  /* Link the IDESC table into the cpu.  */
171
  CPU_IDESC (cpu) = table;
172
}
173
 
174
/* Given an instruction, return a pointer to its IDESC entry.  */
175
 
176
const IDESC *
177
lm32bf_decode (SIM_CPU *current_cpu, IADDR pc,
178
              CGEN_INSN_WORD base_insn, CGEN_INSN_WORD entire_insn,
179
              ARGBUF *abuf)
180
{
181
  /* Result of decoder.  */
182
  LM32BF_INSN_TYPE itype;
183
 
184
  {
185
    CGEN_INSN_WORD insn = base_insn;
186
 
187
    {
188
      unsigned int val = (((insn >> 26) & (63 << 0)));
189
      switch (val)
190
      {
191
      case 0 : itype = LM32BF_INSN_SRUI; goto extract_sfmt_addi;
192
      case 1 : itype = LM32BF_INSN_NORI; goto extract_sfmt_andi;
193
      case 2 : itype = LM32BF_INSN_MULI; goto extract_sfmt_addi;
194
      case 3 : itype = LM32BF_INSN_SH; goto extract_sfmt_sh;
195
      case 4 : itype = LM32BF_INSN_LB; goto extract_sfmt_lb;
196
      case 5 : itype = LM32BF_INSN_SRI; goto extract_sfmt_addi;
197
      case 6 : itype = LM32BF_INSN_XORI; goto extract_sfmt_andi;
198
      case 7 : itype = LM32BF_INSN_LH; goto extract_sfmt_lh;
199
      case 8 : itype = LM32BF_INSN_ANDI; goto extract_sfmt_andi;
200
      case 9 : itype = LM32BF_INSN_XNORI; goto extract_sfmt_andi;
201
      case 10 : itype = LM32BF_INSN_LW; goto extract_sfmt_lw;
202
      case 11 : itype = LM32BF_INSN_LHU; goto extract_sfmt_lh;
203
      case 12 : itype = LM32BF_INSN_SB; goto extract_sfmt_sb;
204
      case 13 : itype = LM32BF_INSN_ADDI; goto extract_sfmt_addi;
205
      case 14 : itype = LM32BF_INSN_ORI; goto extract_sfmt_ori;
206
      case 15 : itype = LM32BF_INSN_SLI; goto extract_sfmt_addi;
207
      case 16 : itype = LM32BF_INSN_LBU; goto extract_sfmt_lb;
208
      case 17 : itype = LM32BF_INSN_BE; goto extract_sfmt_be;
209
      case 18 : itype = LM32BF_INSN_BG; goto extract_sfmt_be;
210
      case 19 : itype = LM32BF_INSN_BGE; goto extract_sfmt_be;
211
      case 20 : itype = LM32BF_INSN_BGEU; goto extract_sfmt_be;
212
      case 21 : itype = LM32BF_INSN_BGU; goto extract_sfmt_be;
213
      case 22 : itype = LM32BF_INSN_SW; goto extract_sfmt_sw;
214
      case 23 : itype = LM32BF_INSN_BNE; goto extract_sfmt_be;
215
      case 24 : itype = LM32BF_INSN_ANDHII; goto extract_sfmt_andhii;
216
      case 25 : itype = LM32BF_INSN_CMPEI; goto extract_sfmt_addi;
217
      case 26 : itype = LM32BF_INSN_CMPGI; goto extract_sfmt_addi;
218
      case 27 : itype = LM32BF_INSN_CMPGEI; goto extract_sfmt_addi;
219
      case 28 : itype = LM32BF_INSN_CMPGEUI; goto extract_sfmt_andi;
220
      case 29 : itype = LM32BF_INSN_CMPGUI; goto extract_sfmt_andi;
221
      case 30 : itype = LM32BF_INSN_ORHII; goto extract_sfmt_andhii;
222
      case 31 : itype = LM32BF_INSN_CMPNEI; goto extract_sfmt_addi;
223
      case 32 :
224
        if ((entire_insn & 0xfc0007ff) == 0x80000000)
225
          { itype = LM32BF_INSN_SRU; goto extract_sfmt_add; }
226
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
227
      case 33 :
228
        if ((entire_insn & 0xfc0007ff) == 0x84000000)
229
          { itype = LM32BF_INSN_NOR; goto extract_sfmt_add; }
230
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
231
      case 34 :
232
        if ((entire_insn & 0xfc0007ff) == 0x88000000)
233
          { itype = LM32BF_INSN_MUL; goto extract_sfmt_add; }
234
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
235
      case 35 :
236
        if ((entire_insn & 0xfc0007ff) == 0x8c000000)
237
          { itype = LM32BF_INSN_DIVU; goto extract_sfmt_divu; }
238
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
239
      case 36 :
240
        if ((entire_insn & 0xfc1f07ff) == 0x90000000)
241
          { itype = LM32BF_INSN_RCSR; goto extract_sfmt_rcsr; }
242
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
243
      case 37 :
244
        if ((entire_insn & 0xfc0007ff) == 0x94000000)
245
          { itype = LM32BF_INSN_SR; goto extract_sfmt_add; }
246
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
247
      case 38 :
248
        if ((entire_insn & 0xfc0007ff) == 0x98000000)
249
          { itype = LM32BF_INSN_XOR; goto extract_sfmt_add; }
250
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
251
      case 40 :
252
        if ((entire_insn & 0xfc0007ff) == 0xa0000000)
253
          { itype = LM32BF_INSN_AND; goto extract_sfmt_add; }
254
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
255
      case 41 :
256
        if ((entire_insn & 0xfc0007ff) == 0xa4000000)
257
          { itype = LM32BF_INSN_XNOR; goto extract_sfmt_add; }
258
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
259
      case 43 :
260
        {
261
          unsigned int val = (((insn >> 1) & (1 << 1)) | ((insn >> 0) & (1 << 0)));
262
          switch (val)
263
          {
264
          case 0 :
265
            if ((entire_insn & 0xffffffff) == 0xac000002)
266
              { itype = LM32BF_INSN_BREAK; goto extract_sfmt_break; }
267
            itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
268
          case 3 :
269
            if ((entire_insn & 0xffffffff) == 0xac000007)
270
              { itype = LM32BF_INSN_SCALL; goto extract_sfmt_break; }
271
            itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
272
          default : itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
273
          }
274
        }
275
      case 44 :
276
        if ((entire_insn & 0xfc1f07ff) == 0xb0000000)
277
          { itype = LM32BF_INSN_SEXTB; goto extract_sfmt_sextb; }
278
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
279
      case 45 :
280
        if ((entire_insn & 0xfc0007ff) == 0xb4000000)
281
          { itype = LM32BF_INSN_ADD; goto extract_sfmt_add; }
282
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
283
      case 46 :
284
        if ((entire_insn & 0xfc0007ff) == 0xb8000000)
285
          { itype = LM32BF_INSN_OR; goto extract_sfmt_add; }
286
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
287
      case 47 :
288
        if ((entire_insn & 0xfc0007ff) == 0xbc000000)
289
          { itype = LM32BF_INSN_SL; goto extract_sfmt_add; }
290
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
291
      case 48 :
292
        if ((entire_insn & 0xfc1fffff) == 0xc0000000)
293
          { itype = LM32BF_INSN_B; goto extract_sfmt_b; }
294
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
295
      case 49 :
296
        if ((entire_insn & 0xfc0007ff) == 0xc4000000)
297
          { itype = LM32BF_INSN_MODU; goto extract_sfmt_divu; }
298
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
299
      case 50 :
300
        if ((entire_insn & 0xfc0007ff) == 0xc8000000)
301
          { itype = LM32BF_INSN_SUB; goto extract_sfmt_add; }
302
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
303
      case 51 : itype = LM32BF_INSN_USER; goto extract_sfmt_user;
304
      case 52 :
305
        if ((entire_insn & 0xfc00ffff) == 0xd0000000)
306
          { itype = LM32BF_INSN_WCSR; goto extract_sfmt_wcsr; }
307
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
308
      case 54 :
309
        if ((entire_insn & 0xfc1fffff) == 0xd8000000)
310
          { itype = LM32BF_INSN_CALL; goto extract_sfmt_call; }
311
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
312
      case 55 :
313
        if ((entire_insn & 0xfc1f07ff) == 0xdc000000)
314
          { itype = LM32BF_INSN_SEXTH; goto extract_sfmt_sextb; }
315
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
316
      case 56 : itype = LM32BF_INSN_BI; goto extract_sfmt_bi;
317
      case 57 :
318
        if ((entire_insn & 0xfc0007ff) == 0xe4000000)
319
          { itype = LM32BF_INSN_CMPE; goto extract_sfmt_add; }
320
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
321
      case 58 :
322
        if ((entire_insn & 0xfc0007ff) == 0xe8000000)
323
          { itype = LM32BF_INSN_CMPG; goto extract_sfmt_add; }
324
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
325
      case 59 :
326
        if ((entire_insn & 0xfc0007ff) == 0xec000000)
327
          { itype = LM32BF_INSN_CMPGE; goto extract_sfmt_add; }
328
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
329
      case 60 :
330
        if ((entire_insn & 0xfc0007ff) == 0xf0000000)
331
          { itype = LM32BF_INSN_CMPGEU; goto extract_sfmt_add; }
332
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
333
      case 61 :
334
        if ((entire_insn & 0xfc0007ff) == 0xf4000000)
335
          { itype = LM32BF_INSN_CMPGU; goto extract_sfmt_add; }
336
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
337
      case 62 : itype = LM32BF_INSN_CALLI; goto extract_sfmt_calli;
338
      case 63 :
339
        if ((entire_insn & 0xfc0007ff) == 0xfc000000)
340
          { itype = LM32BF_INSN_CMPNE; goto extract_sfmt_add; }
341
        itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
342
      default : itype = LM32BF_INSN_X_INVALID; goto extract_sfmt_empty;
343
      }
344
    }
345
  }
346
 
347
  /* The instruction has been decoded, now extract the fields.  */
348
 
349
 extract_sfmt_empty:
350
  {
351
    const IDESC *idesc = &lm32bf_insn_data[itype];
352
#define FLD(f) abuf->fields.sfmt_empty.f
353
 
354
 
355
  /* Record the fields for the semantic handler.  */
356
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_empty", (char *) 0));
357
 
358
#undef FLD
359
    return idesc;
360
  }
361
 
362
 extract_sfmt_add:
363
  {
364
    const IDESC *idesc = &lm32bf_insn_data[itype];
365
    CGEN_INSN_WORD insn = entire_insn;
366
#define FLD(f) abuf->fields.sfmt_user.f
367
    UINT f_r0;
368
    UINT f_r1;
369
    UINT f_r2;
370
 
371
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
372
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
373
    f_r2 = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
374
 
375
  /* Record the fields for the semantic handler.  */
376
  FLD (f_r0) = f_r0;
377
  FLD (f_r1) = f_r1;
378
  FLD (f_r2) = f_r2;
379
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_add", "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, "f_r2 0x%x", 'x', f_r2, (char *) 0));
380
 
381
#undef FLD
382
    return idesc;
383
  }
384
 
385
 extract_sfmt_addi:
386
  {
387
    const IDESC *idesc = &lm32bf_insn_data[itype];
388
    CGEN_INSN_WORD insn = entire_insn;
389
#define FLD(f) abuf->fields.sfmt_addi.f
390
    UINT f_r0;
391
    UINT f_r1;
392
    INT f_imm;
393
 
394
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
395
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
396
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
397
 
398
  /* Record the fields for the semantic handler.  */
399
  FLD (f_imm) = f_imm;
400
  FLD (f_r0) = f_r0;
401
  FLD (f_r1) = f_r1;
402
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_addi", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
403
 
404
#undef FLD
405
    return idesc;
406
  }
407
 
408
 extract_sfmt_andi:
409
  {
410
    const IDESC *idesc = &lm32bf_insn_data[itype];
411
    CGEN_INSN_WORD insn = entire_insn;
412
#define FLD(f) abuf->fields.sfmt_andi.f
413
    UINT f_r0;
414
    UINT f_r1;
415
    UINT f_uimm;
416
 
417
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
418
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
419
    f_uimm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);
420
 
421
  /* Record the fields for the semantic handler.  */
422
  FLD (f_r0) = f_r0;
423
  FLD (f_uimm) = f_uimm;
424
  FLD (f_r1) = f_r1;
425
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_andi", "f_r0 0x%x", 'x', f_r0, "f_uimm 0x%x", 'x', f_uimm, "f_r1 0x%x", 'x', f_r1, (char *) 0));
426
 
427
#undef FLD
428
    return idesc;
429
  }
430
 
431
 extract_sfmt_andhii:
432
  {
433
    const IDESC *idesc = &lm32bf_insn_data[itype];
434
    CGEN_INSN_WORD insn = entire_insn;
435
#define FLD(f) abuf->fields.sfmt_andi.f
436
    UINT f_r0;
437
    UINT f_r1;
438
    UINT f_uimm;
439
 
440
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
441
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
442
    f_uimm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);
443
 
444
  /* Record the fields for the semantic handler.  */
445
  FLD (f_uimm) = f_uimm;
446
  FLD (f_r0) = f_r0;
447
  FLD (f_r1) = f_r1;
448
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_andhii", "f_uimm 0x%x", 'x', f_uimm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
449
 
450
#undef FLD
451
    return idesc;
452
  }
453
 
454
 extract_sfmt_b:
455
  {
456
    const IDESC *idesc = &lm32bf_insn_data[itype];
457
    CGEN_INSN_WORD insn = entire_insn;
458
#define FLD(f) abuf->fields.sfmt_be.f
459
    UINT f_r0;
460
 
461
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
462
 
463
  /* Record the fields for the semantic handler.  */
464
  FLD (f_r0) = f_r0;
465
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_b", "f_r0 0x%x", 'x', f_r0, (char *) 0));
466
 
467
#undef FLD
468
    return idesc;
469
  }
470
 
471
 extract_sfmt_bi:
472
  {
473
    const IDESC *idesc = &lm32bf_insn_data[itype];
474
    CGEN_INSN_WORD insn = entire_insn;
475
#define FLD(f) abuf->fields.sfmt_bi.f
476
    SI f_call;
477
 
478
    f_call = ((pc) + (((SI) (((EXTRACT_LSB0_SINT (insn, 32, 25, 26)) << (6))) >> (4))));
479
 
480
  /* Record the fields for the semantic handler.  */
481
  FLD (i_call) = f_call;
482
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_bi", "call 0x%x", 'x', f_call, (char *) 0));
483
 
484
#undef FLD
485
    return idesc;
486
  }
487
 
488
 extract_sfmt_be:
489
  {
490
    const IDESC *idesc = &lm32bf_insn_data[itype];
491
    CGEN_INSN_WORD insn = entire_insn;
492
#define FLD(f) abuf->fields.sfmt_be.f
493
    UINT f_r0;
494
    UINT f_r1;
495
    SI f_branch;
496
 
497
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
498
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
499
    f_branch = ((pc) + (((SI) (((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (16))) >> (14))));
500
 
501
  /* Record the fields for the semantic handler.  */
502
  FLD (f_r0) = f_r0;
503
  FLD (f_r1) = f_r1;
504
  FLD (i_branch) = f_branch;
505
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_be", "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, "branch 0x%x", 'x', f_branch, (char *) 0));
506
 
507
#undef FLD
508
    return idesc;
509
  }
510
 
511
 extract_sfmt_call:
512
  {
513
    const IDESC *idesc = &lm32bf_insn_data[itype];
514
    CGEN_INSN_WORD insn = entire_insn;
515
#define FLD(f) abuf->fields.sfmt_be.f
516
    UINT f_r0;
517
 
518
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
519
 
520
  /* Record the fields for the semantic handler.  */
521
  FLD (f_r0) = f_r0;
522
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_call", "f_r0 0x%x", 'x', f_r0, (char *) 0));
523
 
524
#undef FLD
525
    return idesc;
526
  }
527
 
528
 extract_sfmt_calli:
529
  {
530
    const IDESC *idesc = &lm32bf_insn_data[itype];
531
    CGEN_INSN_WORD insn = entire_insn;
532
#define FLD(f) abuf->fields.sfmt_bi.f
533
    SI f_call;
534
 
535
    f_call = ((pc) + (((SI) (((EXTRACT_LSB0_SINT (insn, 32, 25, 26)) << (6))) >> (4))));
536
 
537
  /* Record the fields for the semantic handler.  */
538
  FLD (i_call) = f_call;
539
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_calli", "call 0x%x", 'x', f_call, (char *) 0));
540
 
541
#undef FLD
542
    return idesc;
543
  }
544
 
545
 extract_sfmt_divu:
546
  {
547
    const IDESC *idesc = &lm32bf_insn_data[itype];
548
    CGEN_INSN_WORD insn = entire_insn;
549
#define FLD(f) abuf->fields.sfmt_user.f
550
    UINT f_r0;
551
    UINT f_r1;
552
    UINT f_r2;
553
 
554
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
555
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
556
    f_r2 = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
557
 
558
  /* Record the fields for the semantic handler.  */
559
  FLD (f_r0) = f_r0;
560
  FLD (f_r1) = f_r1;
561
  FLD (f_r2) = f_r2;
562
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_divu", "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, "f_r2 0x%x", 'x', f_r2, (char *) 0));
563
 
564
#undef FLD
565
    return idesc;
566
  }
567
 
568
 extract_sfmt_lb:
569
  {
570
    const IDESC *idesc = &lm32bf_insn_data[itype];
571
    CGEN_INSN_WORD insn = entire_insn;
572
#define FLD(f) abuf->fields.sfmt_addi.f
573
    UINT f_r0;
574
    UINT f_r1;
575
    INT f_imm;
576
 
577
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
578
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
579
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
580
 
581
  /* Record the fields for the semantic handler.  */
582
  FLD (f_imm) = f_imm;
583
  FLD (f_r0) = f_r0;
584
  FLD (f_r1) = f_r1;
585
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lb", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
586
 
587
#undef FLD
588
    return idesc;
589
  }
590
 
591
 extract_sfmt_lh:
592
  {
593
    const IDESC *idesc = &lm32bf_insn_data[itype];
594
    CGEN_INSN_WORD insn = entire_insn;
595
#define FLD(f) abuf->fields.sfmt_addi.f
596
    UINT f_r0;
597
    UINT f_r1;
598
    INT f_imm;
599
 
600
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
601
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
602
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
603
 
604
  /* Record the fields for the semantic handler.  */
605
  FLD (f_imm) = f_imm;
606
  FLD (f_r0) = f_r0;
607
  FLD (f_r1) = f_r1;
608
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lh", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
609
 
610
#undef FLD
611
    return idesc;
612
  }
613
 
614
 extract_sfmt_lw:
615
  {
616
    const IDESC *idesc = &lm32bf_insn_data[itype];
617
    CGEN_INSN_WORD insn = entire_insn;
618
#define FLD(f) abuf->fields.sfmt_addi.f
619
    UINT f_r0;
620
    UINT f_r1;
621
    INT f_imm;
622
 
623
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
624
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
625
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
626
 
627
  /* Record the fields for the semantic handler.  */
628
  FLD (f_imm) = f_imm;
629
  FLD (f_r0) = f_r0;
630
  FLD (f_r1) = f_r1;
631
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lw", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
632
 
633
#undef FLD
634
    return idesc;
635
  }
636
 
637
 extract_sfmt_ori:
638
  {
639
    const IDESC *idesc = &lm32bf_insn_data[itype];
640
    CGEN_INSN_WORD insn = entire_insn;
641
#define FLD(f) abuf->fields.sfmt_andi.f
642
    UINT f_r0;
643
    UINT f_r1;
644
    UINT f_uimm;
645
 
646
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
647
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
648
    f_uimm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);
649
 
650
  /* Record the fields for the semantic handler.  */
651
  FLD (f_uimm) = f_uimm;
652
  FLD (f_r0) = f_r0;
653
  FLD (f_r1) = f_r1;
654
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_ori", "f_uimm 0x%x", 'x', f_uimm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
655
 
656
#undef FLD
657
    return idesc;
658
  }
659
 
660
 extract_sfmt_rcsr:
661
  {
662
    const IDESC *idesc = &lm32bf_insn_data[itype];
663
    CGEN_INSN_WORD insn = entire_insn;
664
#define FLD(f) abuf->fields.sfmt_rcsr.f
665
    UINT f_csr;
666
    UINT f_r2;
667
 
668
    f_csr = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
669
    f_r2 = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
670
 
671
  /* Record the fields for the semantic handler.  */
672
  FLD (f_csr) = f_csr;
673
  FLD (f_r2) = f_r2;
674
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_rcsr", "f_csr 0x%x", 'x', f_csr, "f_r2 0x%x", 'x', f_r2, (char *) 0));
675
 
676
#undef FLD
677
    return idesc;
678
  }
679
 
680
 extract_sfmt_sb:
681
  {
682
    const IDESC *idesc = &lm32bf_insn_data[itype];
683
    CGEN_INSN_WORD insn = entire_insn;
684
#define FLD(f) abuf->fields.sfmt_addi.f
685
    UINT f_r0;
686
    UINT f_r1;
687
    INT f_imm;
688
 
689
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
690
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
691
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
692
 
693
  /* Record the fields for the semantic handler.  */
694
  FLD (f_imm) = f_imm;
695
  FLD (f_r0) = f_r0;
696
  FLD (f_r1) = f_r1;
697
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sb", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
698
 
699
#undef FLD
700
    return idesc;
701
  }
702
 
703
 extract_sfmt_sextb:
704
  {
705
    const IDESC *idesc = &lm32bf_insn_data[itype];
706
    CGEN_INSN_WORD insn = entire_insn;
707
#define FLD(f) abuf->fields.sfmt_user.f
708
    UINT f_r0;
709
    UINT f_r2;
710
 
711
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
712
    f_r2 = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
713
 
714
  /* Record the fields for the semantic handler.  */
715
  FLD (f_r0) = f_r0;
716
  FLD (f_r2) = f_r2;
717
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sextb", "f_r0 0x%x", 'x', f_r0, "f_r2 0x%x", 'x', f_r2, (char *) 0));
718
 
719
#undef FLD
720
    return idesc;
721
  }
722
 
723
 extract_sfmt_sh:
724
  {
725
    const IDESC *idesc = &lm32bf_insn_data[itype];
726
    CGEN_INSN_WORD insn = entire_insn;
727
#define FLD(f) abuf->fields.sfmt_addi.f
728
    UINT f_r0;
729
    UINT f_r1;
730
    INT f_imm;
731
 
732
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
733
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
734
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
735
 
736
  /* Record the fields for the semantic handler.  */
737
  FLD (f_imm) = f_imm;
738
  FLD (f_r0) = f_r0;
739
  FLD (f_r1) = f_r1;
740
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sh", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
741
 
742
#undef FLD
743
    return idesc;
744
  }
745
 
746
 extract_sfmt_sw:
747
  {
748
    const IDESC *idesc = &lm32bf_insn_data[itype];
749
    CGEN_INSN_WORD insn = entire_insn;
750
#define FLD(f) abuf->fields.sfmt_addi.f
751
    UINT f_r0;
752
    UINT f_r1;
753
    INT f_imm;
754
 
755
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
756
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
757
    f_imm = EXTRACT_LSB0_SINT (insn, 32, 15, 16);
758
 
759
  /* Record the fields for the semantic handler.  */
760
  FLD (f_imm) = f_imm;
761
  FLD (f_r0) = f_r0;
762
  FLD (f_r1) = f_r1;
763
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sw", "f_imm 0x%x", 'x', f_imm, "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, (char *) 0));
764
 
765
#undef FLD
766
    return idesc;
767
  }
768
 
769
 extract_sfmt_user:
770
  {
771
    const IDESC *idesc = &lm32bf_insn_data[itype];
772
    CGEN_INSN_WORD insn = entire_insn;
773
#define FLD(f) abuf->fields.sfmt_user.f
774
    UINT f_r0;
775
    UINT f_r1;
776
    UINT f_r2;
777
    UINT f_user;
778
 
779
    f_r0 = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
780
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
781
    f_r2 = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
782
    f_user = EXTRACT_LSB0_UINT (insn, 32, 10, 11);
783
 
784
  /* Record the fields for the semantic handler.  */
785
  FLD (f_r0) = f_r0;
786
  FLD (f_r1) = f_r1;
787
  FLD (f_user) = f_user;
788
  FLD (f_r2) = f_r2;
789
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_user", "f_r0 0x%x", 'x', f_r0, "f_r1 0x%x", 'x', f_r1, "f_user 0x%x", 'x', f_user, "f_r2 0x%x", 'x', f_r2, (char *) 0));
790
 
791
#undef FLD
792
    return idesc;
793
  }
794
 
795
 extract_sfmt_wcsr:
796
  {
797
    const IDESC *idesc = &lm32bf_insn_data[itype];
798
    CGEN_INSN_WORD insn = entire_insn;
799
#define FLD(f) abuf->fields.sfmt_wcsr.f
800
    UINT f_csr;
801
    UINT f_r1;
802
 
803
    f_csr = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
804
    f_r1 = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
805
 
806
  /* Record the fields for the semantic handler.  */
807
  FLD (f_csr) = f_csr;
808
  FLD (f_r1) = f_r1;
809
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_wcsr", "f_csr 0x%x", 'x', f_csr, "f_r1 0x%x", 'x', f_r1, (char *) 0));
810
 
811
#undef FLD
812
    return idesc;
813
  }
814
 
815
 extract_sfmt_break:
816
  {
817
    const IDESC *idesc = &lm32bf_insn_data[itype];
818
#define FLD(f) abuf->fields.sfmt_empty.f
819
 
820
 
821
  /* Record the fields for the semantic handler.  */
822
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_break", (char *) 0));
823
 
824
#undef FLD
825
    return idesc;
826
  }
827
 
828
}

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