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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [sim/] [common/] [cgen-par.c] - Blame information for rev 855

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1 330 jeremybenn 
/* Simulator parallel routines for CGEN simulators (and maybe others).
2 
   Copyright (C) 1999, 2000, 2007, 2008, 2009, 2010
3 
   Free Software Foundation, Inc.
4 
   Contributed by Cygnus Solutions.
5 
 
6 
This file is part of the GNU instruction set simulator.
7 
 
8 
This program is free software; you can redistribute it and/or modify
9 
it under the terms of the GNU General Public License as published by
10 
the Free Software Foundation; either version 3 of the License, or
11 
(at your option) any later version.
12 
 
13 
This program is distributed in the hope that it will be useful,
14 
but WITHOUT ANY WARRANTY; without even the implied warranty of
15 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 
GNU General Public License for more details.
17 
 
18 
You should have received a copy of the GNU General Public License
19 
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20 
 
21 
#include "sim-main.h"
22 
#include "cgen-mem.h"
23 
#include "cgen-par.h"
24 
 
25 
/* Functions required by the cgen interface.  These functions add various
26 
   kinds of writes to the write queue.  */
27 
void sim_queue_bi_write (SIM_CPU *cpu, BI *target, BI value)
28 
{
29 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
30 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
31 
  element->kind = CGEN_BI_WRITE;
32 
  element->insn_address = CPU_PC_GET (cpu);
33 
  element->kinds.bi_write.target = target;
34 
  element->kinds.bi_write.value  = value;
35 
}
36 
 
37 
void sim_queue_qi_write (SIM_CPU *cpu, UQI *target, UQI value)
38 
{
39 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
40 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
41 
  element->kind = CGEN_QI_WRITE;
42 
  element->insn_address = CPU_PC_GET (cpu);
43 
  element->kinds.qi_write.target = target;
44 
  element->kinds.qi_write.value  = value;
45 
}
46 
 
47 
void sim_queue_si_write (SIM_CPU *cpu, SI *target, SI value)
48 
{
49 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
50 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
51 
  element->kind = CGEN_SI_WRITE;
52 
  element->insn_address = CPU_PC_GET (cpu);
53 
  element->kinds.si_write.target = target;
54 
  element->kinds.si_write.value  = value;
55 
}
56 
 
57 
void sim_queue_sf_write (SIM_CPU *cpu, SI *target, SF value)
58 
{
59 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
60 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
61 
  element->kind = CGEN_SF_WRITE;
62 
  element->insn_address = CPU_PC_GET (cpu);
63 
  element->kinds.sf_write.target = target;
64 
  element->kinds.sf_write.value  = value;
65 
}
66 
 
67 
void sim_queue_pc_write (SIM_CPU *cpu, USI value)
68 
{
69 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
70 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
71 
  element->kind = CGEN_PC_WRITE;
72 
  element->insn_address = CPU_PC_GET (cpu);
73 
  element->kinds.pc_write.value = value;
74 
}
75 
 
76 
void sim_queue_fn_hi_write (
77 
  SIM_CPU *cpu,
78 
  void (*write_function)(SIM_CPU *cpu, UINT, UHI),
79 
  UINT regno,
80 
  UHI value
81 
)
82 
{
83 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
84 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
85 
  element->kind = CGEN_FN_HI_WRITE;
86 
  element->insn_address = CPU_PC_GET (cpu);
87 
  element->kinds.fn_hi_write.function = write_function;
88 
  element->kinds.fn_hi_write.regno = regno;
89 
  element->kinds.fn_hi_write.value = value;
90 
}
91 
 
92 
void sim_queue_fn_si_write (
93 
  SIM_CPU *cpu,
94 
  void (*write_function)(SIM_CPU *cpu, UINT, USI),
95 
  UINT regno,
96 
  USI value
97 
)
98 
{
99 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
100 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
101 
  element->kind = CGEN_FN_SI_WRITE;
102 
  element->insn_address = CPU_PC_GET (cpu);
103 
  element->kinds.fn_si_write.function = write_function;
104 
  element->kinds.fn_si_write.regno = regno;
105 
  element->kinds.fn_si_write.value = value;
106 
}
107 
 
108 
void sim_queue_fn_sf_write (
109 
  SIM_CPU *cpu,
110 
  void (*write_function)(SIM_CPU *cpu, UINT, SF),
111 
  UINT regno,
112 
  SF value
113 
)
114 
{
115 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
116 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
117 
  element->kind = CGEN_FN_SF_WRITE;
118 
  element->insn_address = CPU_PC_GET (cpu);
119 
  element->kinds.fn_sf_write.function = write_function;
120 
  element->kinds.fn_sf_write.regno = regno;
121 
  element->kinds.fn_sf_write.value = value;
122 
}
123 
 
124 
void sim_queue_fn_di_write (
125 
  SIM_CPU *cpu,
126 
  void (*write_function)(SIM_CPU *cpu, UINT, DI),
127 
  UINT regno,
128 
  DI value
129 
)
130 
{
131 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
132 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
133 
  element->kind = CGEN_FN_DI_WRITE;
134 
  element->insn_address = CPU_PC_GET (cpu);
135 
  element->kinds.fn_di_write.function = write_function;
136 
  element->kinds.fn_di_write.regno = regno;
137 
  element->kinds.fn_di_write.value = value;
138 
}
139 
 
140 
void sim_queue_fn_xi_write (
141 
  SIM_CPU *cpu,
142 
  void (*write_function)(SIM_CPU *cpu, UINT, SI *),
143 
  UINT regno,
144 
  SI *value
145 
)
146 
{
147 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
148 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
149 
  element->kind = CGEN_FN_XI_WRITE;
150 
  element->insn_address = CPU_PC_GET (cpu);
151 
  element->kinds.fn_xi_write.function = write_function;
152 
  element->kinds.fn_xi_write.regno = regno;
153 
  element->kinds.fn_xi_write.value[0] = value[0];
154 
  element->kinds.fn_xi_write.value[1] = value[1];
155 
  element->kinds.fn_xi_write.value[2] = value[2];
156 
  element->kinds.fn_xi_write.value[3] = value[3];
157 
}
158 
 
159 
void sim_queue_fn_df_write (
160 
  SIM_CPU *cpu,
161 
  void (*write_function)(SIM_CPU *cpu, UINT, DF),
162 
  UINT regno,
163 
  DF value
164 
)
165 
{
166 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
167 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
168 
  element->kind = CGEN_FN_DF_WRITE;
169 
  element->insn_address = CPU_PC_GET (cpu);
170 
  element->kinds.fn_df_write.function = write_function;
171 
  element->kinds.fn_df_write.regno = regno;
172 
  element->kinds.fn_df_write.value = value;
173 
}
174 
 
175 
void sim_queue_fn_pc_write (
176 
  SIM_CPU *cpu,
177 
  void (*write_function)(SIM_CPU *cpu, USI),
178 
  USI value
179 
)
180 
{
181 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
182 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
183 
  element->kind = CGEN_FN_PC_WRITE;
184 
  element->insn_address = CPU_PC_GET (cpu);
185 
  element->kinds.fn_pc_write.function = write_function;
186 
  element->kinds.fn_pc_write.value = value;
187 
}
188 
 
189 
void sim_queue_mem_qi_write (SIM_CPU *cpu, SI address, QI value)
190 
{
191 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
192 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
193 
  element->kind = CGEN_MEM_QI_WRITE;
194 
  element->insn_address = CPU_PC_GET (cpu);
195 
  element->kinds.mem_qi_write.address = address;
196 
  element->kinds.mem_qi_write.value   = value;
197 
}
198 
 
199 
void sim_queue_mem_hi_write (SIM_CPU *cpu, SI address, HI value)
200 
{
201 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
202 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
203 
  element->kind = CGEN_MEM_HI_WRITE;
204 
  element->insn_address = CPU_PC_GET (cpu);
205 
  element->kinds.mem_hi_write.address = address;
206 
  element->kinds.mem_hi_write.value   = value;
207 
}
208 
 
209 
void sim_queue_mem_si_write (SIM_CPU *cpu, SI address, SI value)
210 
{
211 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
212 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
213 
  element->kind = CGEN_MEM_SI_WRITE;
214 
  element->insn_address = CPU_PC_GET (cpu);
215 
  element->kinds.mem_si_write.address = address;
216 
  element->kinds.mem_si_write.value   = value;
217 
}
218 
 
219 
void sim_queue_mem_di_write (SIM_CPU *cpu, SI address, DI value)
220 
{
221 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
222 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
223 
  element->kind = CGEN_MEM_DI_WRITE;
224 
  element->insn_address = CPU_PC_GET (cpu);
225 
  element->kinds.mem_di_write.address = address;
226 
  element->kinds.mem_di_write.value   = value;
227 
}
228 
 
229 
void sim_queue_mem_df_write (SIM_CPU *cpu, SI address, DF value)
230 
{
231 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
232 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
233 
  element->kind = CGEN_MEM_DF_WRITE;
234 
  element->insn_address = CPU_PC_GET (cpu);
235 
  element->kinds.mem_df_write.address = address;
236 
  element->kinds.mem_df_write.value   = value;
237 
}
238 
 
239 
void sim_queue_mem_xi_write (SIM_CPU *cpu, SI address, SI *value)
240 
{
241 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
242 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
243 
  element->kind = CGEN_MEM_XI_WRITE;
244 
  element->insn_address = CPU_PC_GET (cpu);
245 
  element->kinds.mem_xi_write.address = address;
246 
  element->kinds.mem_xi_write.value[0] = value[0];
247 
  element->kinds.mem_xi_write.value[1] = value[1];
248 
  element->kinds.mem_xi_write.value[2] = value[2];
249 
  element->kinds.mem_xi_write.value[3] = value[3];
250 
}
251 
 
252 
void sim_queue_fn_mem_qi_write (
253 
  SIM_CPU *cpu,
254 
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, QI),
255 
  SI address,
256 
  QI value
257 
)
258 
{
259 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
260 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
261 
  element->kind = CGEN_FN_MEM_QI_WRITE;
262 
  element->insn_address = CPU_PC_GET (cpu);
263 
  element->kinds.fn_mem_qi_write.function = write_function;
264 
  element->kinds.fn_mem_qi_write.address = address;
265 
  element->kinds.fn_mem_qi_write.value   = value;
266 
}
267 
 
268 
void sim_queue_fn_mem_hi_write (
269 
  SIM_CPU *cpu,
270 
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, HI),
271 
  SI address,
272 
  HI value
273 
)
274 
{
275 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
276 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
277 
  element->kind = CGEN_FN_MEM_HI_WRITE;
278 
  element->insn_address = CPU_PC_GET (cpu);
279 
  element->kinds.fn_mem_hi_write.function = write_function;
280 
  element->kinds.fn_mem_hi_write.address = address;
281 
  element->kinds.fn_mem_hi_write.value   = value;
282 
}
283 
 
284 
void sim_queue_fn_mem_si_write (
285 
  SIM_CPU *cpu,
286 
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, SI),
287 
  SI address,
288 
  SI value
289 
)
290 
{
291 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
292 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
293 
  element->kind = CGEN_FN_MEM_SI_WRITE;
294 
  element->insn_address = CPU_PC_GET (cpu);
295 
  element->kinds.fn_mem_si_write.function = write_function;
296 
  element->kinds.fn_mem_si_write.address = address;
297 
  element->kinds.fn_mem_si_write.value   = value;
298 
}
299 
 
300 
void sim_queue_fn_mem_di_write (
301 
  SIM_CPU *cpu,
302 
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, DI),
303 
  SI address,
304 
  DI value
305 
)
306 
{
307 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
308 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
309 
  element->kind = CGEN_FN_MEM_DI_WRITE;
310 
  element->insn_address = CPU_PC_GET (cpu);
311 
  element->kinds.fn_mem_di_write.function = write_function;
312 
  element->kinds.fn_mem_di_write.address = address;
313 
  element->kinds.fn_mem_di_write.value   = value;
314 
}
315 
 
316 
void sim_queue_fn_mem_df_write (
317 
  SIM_CPU *cpu,
318 
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, DF),
319 
  SI address,
320 
  DF value
321 
)
322 
{
323 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
324 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
325 
  element->kind = CGEN_FN_MEM_DF_WRITE;
326 
  element->insn_address = CPU_PC_GET (cpu);
327 
  element->kinds.fn_mem_df_write.function = write_function;
328 
  element->kinds.fn_mem_df_write.address = address;
329 
  element->kinds.fn_mem_df_write.value   = value;
330 
}
331 
 
332 
void sim_queue_fn_mem_xi_write (
333 
  SIM_CPU *cpu,
334 
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, SI *),
335 
  SI address,
336 
  SI *value
337 
)
338 
{
339 
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
340 
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
341 
  element->kind = CGEN_FN_MEM_XI_WRITE;
342 
  element->insn_address = CPU_PC_GET (cpu);
343 
  element->kinds.fn_mem_xi_write.function = write_function;
344 
  element->kinds.fn_mem_xi_write.address = address;
345 
  element->kinds.fn_mem_xi_write.value[0] = value[0];
346 
  element->kinds.fn_mem_xi_write.value[1] = value[1];
347 
  element->kinds.fn_mem_xi_write.value[2] = value[2];
348 
  element->kinds.fn_mem_xi_write.value[3] = value[3];
349 
}
350 
 
351 
/* Execute a write stored on the write queue.  */
352 
void
353 
cgen_write_queue_element_execute (SIM_CPU *cpu, CGEN_WRITE_QUEUE_ELEMENT *item)
354 
{
355 
  IADDR pc;
356 
  switch (CGEN_WRITE_QUEUE_ELEMENT_KIND (item))
357 
    {
358 
    case CGEN_BI_WRITE:
359 
      *item->kinds.bi_write.target = item->kinds.bi_write.value;
360 
      break;
361 
    case CGEN_QI_WRITE:
362 
      *item->kinds.qi_write.target = item->kinds.qi_write.value;
363 
      break;
364 
    case CGEN_SI_WRITE:
365 
      *item->kinds.si_write.target = item->kinds.si_write.value;
366 
      break;
367 
    case CGEN_SF_WRITE:
368 
      *item->kinds.sf_write.target = item->kinds.sf_write.value;
369 
      break;
370 
    case CGEN_PC_WRITE:
371 
      CPU_PC_SET (cpu, item->kinds.pc_write.value);
372 
      break;
373 
    case CGEN_FN_HI_WRITE:
374 
      item->kinds.fn_hi_write.function (cpu,
375 
                                        item->kinds.fn_hi_write.regno,
376 
                                        item->kinds.fn_hi_write.value);
377 
      break;
378 
    case CGEN_FN_SI_WRITE:
379 
      item->kinds.fn_si_write.function (cpu,
380 
                                        item->kinds.fn_si_write.regno,
381 
                                        item->kinds.fn_si_write.value);
382 
      break;
383 
    case CGEN_FN_SF_WRITE:
384 
      item->kinds.fn_sf_write.function (cpu,
385 
                                        item->kinds.fn_sf_write.regno,
386 
                                        item->kinds.fn_sf_write.value);
387 
      break;
388 
    case CGEN_FN_DI_WRITE:
389 
      item->kinds.fn_di_write.function (cpu,
390 
                                        item->kinds.fn_di_write.regno,
391 
                                        item->kinds.fn_di_write.value);
392 
      break;
393 
    case CGEN_FN_DF_WRITE:
394 
      item->kinds.fn_df_write.function (cpu,
395 
                                        item->kinds.fn_df_write.regno,
396 
                                        item->kinds.fn_df_write.value);
397 
      break;
398 
    case CGEN_FN_XI_WRITE:
399 
      item->kinds.fn_xi_write.function (cpu,
400 
                                        item->kinds.fn_xi_write.regno,
401 
                                        item->kinds.fn_xi_write.value);
402 
      break;
403 
    case CGEN_FN_PC_WRITE:
404 
      item->kinds.fn_pc_write.function (cpu, item->kinds.fn_pc_write.value);
405 
      break;
406 
    case CGEN_MEM_QI_WRITE:
407 
      pc = item->insn_address;
408 
      SETMEMQI (cpu, pc, item->kinds.mem_qi_write.address,
409 
                item->kinds.mem_qi_write.value);
410 
      break;
411 
    case CGEN_MEM_HI_WRITE:
412 
      pc = item->insn_address;
413 
      SETMEMHI (cpu, pc, item->kinds.mem_hi_write.address,
414 
                item->kinds.mem_hi_write.value);
415 
      break;
416 
    case CGEN_MEM_SI_WRITE:
417 
      pc = item->insn_address;
418 
      SETMEMSI (cpu, pc, item->kinds.mem_si_write.address,
419 
                item->kinds.mem_si_write.value);
420 
      break;
421 
    case CGEN_MEM_DI_WRITE:
422 
      pc = item->insn_address;
423 
      SETMEMDI (cpu, pc, item->kinds.mem_di_write.address,
424 
                item->kinds.mem_di_write.value);
425 
      break;
426 
    case CGEN_MEM_DF_WRITE:
427 
      pc = item->insn_address;
428 
      SETMEMDF (cpu, pc, item->kinds.mem_df_write.address,
429 
                item->kinds.mem_df_write.value);
430 
      break;
431 
    case CGEN_MEM_XI_WRITE:
432 
      pc = item->insn_address;
433 
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address,
434 
                item->kinds.mem_xi_write.value[0]);
435 
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address + 4,
436 
                item->kinds.mem_xi_write.value[1]);
437 
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address + 8,
438 
                item->kinds.mem_xi_write.value[2]);
439 
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address + 12,
440 
                item->kinds.mem_xi_write.value[3]);
441 
      break;
442 
    case CGEN_FN_MEM_QI_WRITE:
443 
      pc = item->insn_address;
444 
      item->kinds.fn_mem_qi_write.function (cpu, pc,
445 
                                            item->kinds.fn_mem_qi_write.address,
446 
                                            item->kinds.fn_mem_qi_write.value);
447 
      break;
448 
    case CGEN_FN_MEM_HI_WRITE:
449 
      pc = item->insn_address;
450 
      item->kinds.fn_mem_hi_write.function (cpu, pc,
451 
                                            item->kinds.fn_mem_hi_write.address,
452 
                                            item->kinds.fn_mem_hi_write.value);
453 
      break;
454 
    case CGEN_FN_MEM_SI_WRITE:
455 
      pc = item->insn_address;
456 
      item->kinds.fn_mem_si_write.function (cpu, pc,
457 
                                            item->kinds.fn_mem_si_write.address,
458 
                                            item->kinds.fn_mem_si_write.value);
459 
      break;
460 
    case CGEN_FN_MEM_DI_WRITE:
461 
      pc = item->insn_address;
462 
      item->kinds.fn_mem_di_write.function (cpu, pc,
463 
                                            item->kinds.fn_mem_di_write.address,
464 
                                            item->kinds.fn_mem_di_write.value);
465 
      break;
466 
    case CGEN_FN_MEM_DF_WRITE:
467 
      pc = item->insn_address;
468 
      item->kinds.fn_mem_df_write.function (cpu, pc,
469 
                                            item->kinds.fn_mem_df_write.address,
470 
                                            item->kinds.fn_mem_df_write.value);
471 
      break;
472 
    case CGEN_FN_MEM_XI_WRITE:
473 
      pc = item->insn_address;
474 
      item->kinds.fn_mem_xi_write.function (cpu, pc,
475 
                                            item->kinds.fn_mem_xi_write.address,
476 
                                            item->kinds.fn_mem_xi_write.value);
477 
      break;
478 
    default:
479 
      abort ();
480 
      break; /* FIXME: for now....print message later.  */
481 
    }
482 
}
483 
 
484 
/* Utilities for the write queue.  */
485 
CGEN_WRITE_QUEUE_ELEMENT *
486 
cgen_write_queue_overflow (CGEN_WRITE_QUEUE *q)
487 
{
488 
  abort (); /* FIXME: for now....print message later.  */
489 
  return 0;
490 
}

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