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

Subversion Repositories scarts

[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [sim/] [frv/] [profile-fr550.c] - Blame information for rev 27

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

Line No. Rev Author Line
1 26 jlechner 
/* frv simulator fr550 dependent profiling code.
2 
 
3 
   Copyright (C) 2003, 2007, 2008 Free Software Foundation, Inc.
4 
   Contributed by Red Hat
5 
 
6 
This file is part of the GNU simulators.
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 
*/
22 
#define WANT_CPU
23 
#define WANT_CPU_FRVBF
24 
 
25 
#include "sim-main.h"
26 
#include "bfd.h"
27 
 
28 
#if WITH_PROFILE_MODEL_P
29 
 
30 
#include "profile.h"
31 
#include "profile-fr550.h"
32 
 
33 
/* Initialize cycle counting for an insn.
34 
   FIRST_P is non-zero if this is the first insn in a set of parallel
35 
   insns.  */
36 
void
37 
fr550_model_insn_before (SIM_CPU *cpu, int first_p)
38 
{
39 
  if (first_p)
40 
    {
41 
      MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
42 
      d->cur_fr_load      = d->prev_fr_load;
43 
      d->cur_fr_complex_1 = d->prev_fr_complex_1;
44 
      d->cur_fr_complex_2 = d->prev_fr_complex_2;
45 
      d->cur_ccr_complex  = d->prev_ccr_complex;
46 
      d->cur_acc_mmac     = d->prev_acc_mmac;
47 
    }
48 
}
49 
 
50 
/* Record the cycles computed for an insn.
51 
   LAST_P is non-zero if this is the last insn in a set of parallel insns,
52 
   and we update the total cycle count.
53 
   CYCLES is the cycle count of the insn.  */
54 
void
55 
fr550_model_insn_after (SIM_CPU *cpu, int last_p, int cycles)
56 
{
57 
  if (last_p)
58 
    {
59 
      MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
60 
      d->prev_fr_load      = d->cur_fr_load;
61 
      d->prev_fr_complex_1 = d->cur_fr_complex_1;
62 
      d->prev_fr_complex_2 = d->cur_fr_complex_2;
63 
      d->prev_ccr_complex  = d->cur_ccr_complex;
64 
      d->prev_acc_mmac     = d->cur_acc_mmac;
65 
    }
66 
}
67 
 
68 
static void fr550_reset_fr_flags (SIM_CPU *cpu, INT fr);
69 
static void fr550_reset_ccr_flags (SIM_CPU *cpu, INT ccr);
70 
static void fr550_reset_acc_flags (SIM_CPU *cpu, INT acc);
71 
 
72 
static void
73 
set_use_is_fr_load (SIM_CPU *cpu, INT fr)
74 
{
75 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
76 
  fr550_reset_fr_flags (cpu, (fr));
77 
  d->cur_fr_load |= (((DI)1) << (fr));
78 
}
79 
 
80 
static void
81 
set_use_not_fr_load (SIM_CPU *cpu, INT fr)
82 
{
83 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
84 
  d->cur_fr_load &= ~(((DI)1) << (fr));
85 
}
86 
 
87 
static int
88 
use_is_fr_load (SIM_CPU *cpu, INT fr)
89 
{
90 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
91 
  return d->prev_fr_load & (((DI)1) << (fr));
92 
}
93 
 
94 
static void
95 
set_use_is_fr_complex_1 (SIM_CPU *cpu, INT fr)
96 
{
97 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
98 
  fr550_reset_fr_flags (cpu, (fr));
99 
  d->cur_fr_complex_1 |= (((DI)1) << (fr));
100 
}
101 
 
102 
static void
103 
set_use_not_fr_complex_1 (SIM_CPU *cpu, INT fr)
104 
{
105 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
106 
  d->cur_fr_complex_1 &= ~(((DI)1) << (fr));
107 
}
108 
 
109 
static int
110 
use_is_fr_complex_1 (SIM_CPU *cpu, INT fr)
111 
{
112 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
113 
  return d->prev_fr_complex_1 & (((DI)1) << (fr));
114 
}
115 
 
116 
static void
117 
set_use_is_fr_complex_2 (SIM_CPU *cpu, INT fr)
118 
{
119 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
120 
  fr550_reset_fr_flags (cpu, (fr));
121 
  d->cur_fr_complex_2 |= (((DI)1) << (fr));
122 
}
123 
 
124 
static void
125 
set_use_not_fr_complex_2 (SIM_CPU *cpu, INT fr)
126 
{
127 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
128 
  d->cur_fr_complex_2 &= ~(((DI)1) << (fr));
129 
}
130 
 
131 
static int
132 
use_is_fr_complex_2 (SIM_CPU *cpu, INT fr)
133 
{
134 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
135 
  return d->prev_fr_complex_2 & (((DI)1) << (fr));
136 
}
137 
 
138 
static void
139 
set_use_is_ccr_complex (SIM_CPU *cpu, INT ccr)
140 
{
141 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
142 
  fr550_reset_ccr_flags (cpu, (ccr));
143 
  d->cur_ccr_complex |= (((SI)1) << (ccr));
144 
}
145 
 
146 
static void
147 
set_use_not_ccr_complex (SIM_CPU *cpu, INT ccr)
148 
{
149 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
150 
  d->cur_ccr_complex &= ~(((SI)1) << (ccr));
151 
}
152 
 
153 
static int
154 
use_is_ccr_complex (SIM_CPU *cpu, INT ccr)
155 
{
156 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
157 
  return d->prev_ccr_complex & (((SI)1) << (ccr));
158 
}
159 
 
160 
static void
161 
set_use_is_acc_mmac (SIM_CPU *cpu, INT acc)
162 
{
163 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
164 
  fr550_reset_acc_flags (cpu, (acc));
165 
  d->cur_acc_mmac |= (((DI)1) << (acc));
166 
}
167 
 
168 
static void
169 
set_use_not_acc_mmac (SIM_CPU *cpu, INT acc)
170 
{
171 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
172 
  d->cur_acc_mmac &= ~(((DI)1) << (acc));
173 
}
174 
 
175 
static int
176 
use_is_acc_mmac (SIM_CPU *cpu, INT acc)
177 
{
178 
  MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
179 
  return d->prev_acc_mmac & (((DI)1) << (acc));
180 
}
181 
 
182 
static void
183 
fr550_reset_fr_flags (SIM_CPU *cpu, INT fr)
184 
{
185 
  set_use_not_fr_load (cpu, fr);
186 
  set_use_not_fr_complex_1 (cpu, fr);
187 
  set_use_not_fr_complex_2 (cpu, fr);
188 
}
189 
 
190 
static void
191 
fr550_reset_ccr_flags (SIM_CPU *cpu, INT ccr)
192 
{
193 
  set_use_not_ccr_complex (cpu, ccr);
194 
}
195 
 
196 
static void
197 
fr550_reset_acc_flags (SIM_CPU *cpu, INT acc)
198 
{
199 
  set_use_not_acc_mmac (cpu, acc);
200 
}
201 
 
202 
/* Detect overlap between two register ranges. Works if one of the registers
203 
   is -1 with width 1 (i.e. undefined), but not both.  */
204 
#define REG_OVERLAP(r1, w1, r2, w2) ( \
205 
  (r1) + (w1) - 1 >= (r2) && (r2) + (w2) - 1 >= (r1) \
206 
)
207 
 
208 
/* Latency of floating point registers may be less than recorded when followed
209 
   by another floating point insn.  */
210 
static void
211 
adjust_float_register_busy (SIM_CPU *cpu,
212 
                            INT in_FRi, int iwidth,
213 
                            INT in_FRj, int jwidth,
214 
                            INT out_FRk, int kwidth)
215 
{
216 
  int i;
217 
  /* The latency of FRk may be less than previously recorded.
218 
     See Table 14-15 in the LSI.  */
219 
  if (in_FRi >= 0)
220 
    {
221 
      for (i = 0; i < iwidth; ++i)
222 
        {
223 
          if (! REG_OVERLAP (in_FRi + i, 1, out_FRk, kwidth))
224 
            if (use_is_fr_load (cpu, in_FRi + i))
225 
              decrease_FR_busy (cpu, in_FRi + i, 1);
226 
            else
227 
              enforce_full_fr_latency (cpu, in_FRi + i);
228 
        }
229 
    }
230 
 
231 
  if (in_FRj >= 0)
232 
    {
233 
      for (i = 0; i < jwidth; ++i)
234 
        {
235 
          if (! REG_OVERLAP (in_FRj + i, 1, in_FRi, iwidth)
236 
              && ! REG_OVERLAP (in_FRj + i, 1, out_FRk, kwidth))
237 
            if (use_is_fr_load (cpu, in_FRj + i))
238 
              decrease_FR_busy (cpu, in_FRj + i, 1);
239 
            else
240 
              enforce_full_fr_latency (cpu, in_FRj + i);
241 
        }
242 
    }
243 
 
244 
  if (out_FRk >= 0)
245 
    {
246 
      for (i = 0; i < kwidth; ++i)
247 
        {
248 
          if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
249 
              && ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
250 
            {
251 
              if (use_is_fr_complex_1 (cpu, out_FRk + i))
252 
                decrease_FR_busy (cpu, out_FRk + i, 1);
253 
              else if (use_is_fr_complex_2 (cpu, out_FRk + i))
254 
                decrease_FR_busy (cpu, out_FRk + i, 2);
255 
              else
256 
                enforce_full_fr_latency (cpu, out_FRk + i);
257 
            }
258 
        }
259 
    }
260 
}
261 
 
262 
static void
263 
restore_float_register_busy (SIM_CPU *cpu,
264 
                             INT in_FRi, int iwidth,
265 
                             INT in_FRj, int jwidth,
266 
                             INT out_FRk, int kwidth)
267 
{
268 
  int i;
269 
  /* The latency of FRk may be less than previously recorded.
270 
     See Table 14-15 in the LSI.  */
271 
  if (in_FRi >= 0)
272 
    {
273 
      for (i = 0; i < iwidth; ++i)
274 
        {
275 
          if (! REG_OVERLAP (in_FRi + i, 1, out_FRk, kwidth))
276 
            if (use_is_fr_load (cpu, in_FRi + i))
277 
              increase_FR_busy (cpu, in_FRi + i, 1);
278 
        }
279 
    }
280 
 
281 
  if (in_FRj >= 0)
282 
    {
283 
      for (i = 0; i < jwidth; ++i)
284 
        {
285 
          if (! REG_OVERLAP (in_FRj + i, 1, in_FRi, iwidth)
286 
              && ! REG_OVERLAP (in_FRj + i, 1, out_FRk, kwidth))
287 
            if (use_is_fr_load (cpu, in_FRj + i))
288 
              increase_FR_busy (cpu, in_FRj + i, 1);
289 
        }
290 
    }
291 
 
292 
  if (out_FRk >= 0)
293 
    {
294 
      for (i = 0; i < kwidth; ++i)
295 
        {
296 
          if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
297 
              && ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
298 
            {
299 
              if (use_is_fr_complex_1 (cpu, out_FRk + i))
300 
                increase_FR_busy (cpu, out_FRk + i, 1);
301 
              else if (use_is_fr_complex_2 (cpu, out_FRk + i))
302 
                increase_FR_busy (cpu, out_FRk + i, 2);
303 
            }
304 
        }
305 
    }
306 
}
307 
 
308 
/* Latency of floating point registers may be less than recorded when used in a
309 
   media insns and followed by another media insn.  */
310 
static void
311 
adjust_float_register_busy_for_media (SIM_CPU *cpu,
312 
                                      INT in_FRi, int iwidth,
313 
                                      INT in_FRj, int jwidth,
314 
                                      INT out_FRk, int kwidth)
315 
{
316 
  int i;
317 
  /* The latency of FRk may be less than previously recorded.
318 
     See Table 14-15 in the LSI.  */
319 
  if (out_FRk >= 0)
320 
    {
321 
      for (i = 0; i < kwidth; ++i)
322 
        {
323 
          if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
324 
              && ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
325 
            {
326 
              if (use_is_fr_complex_1 (cpu, out_FRk + i))
327 
                decrease_FR_busy (cpu, out_FRk + i, 1);
328 
              else
329 
                enforce_full_fr_latency (cpu, out_FRk + i);
330 
            }
331 
        }
332 
    }
333 
}
334 
 
335 
static void
336 
restore_float_register_busy_for_media (SIM_CPU *cpu,
337 
                                       INT in_FRi, int iwidth,
338 
                                       INT in_FRj, int jwidth,
339 
                                       INT out_FRk, int kwidth)
340 
{
341 
  int i;
342 
  if (out_FRk >= 0)
343 
    {
344 
      for (i = 0; i < kwidth; ++i)
345 
        {
346 
          if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
347 
              && ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
348 
            {
349 
              if (use_is_fr_complex_1 (cpu, out_FRk + i))
350 
                increase_FR_busy (cpu, out_FRk + i, 1);
351 
            }
352 
        }
353 
    }
354 
}
355 
 
356 
/* Latency of accumulator registers may be less than recorded when used in a
357 
   media insns and followed by another media insn.  */
358 
static void
359 
adjust_acc_busy_for_mmac (SIM_CPU *cpu,
360 
                          INT in_ACC, int inwidth,
361 
                          INT out_ACC, int outwidth)
362 
{
363 
  int i;
364 
  /* The latency of an accumulator may be less than previously recorded.
365 
     See Table 14-15 in the LSI.  */
366 
  if (in_ACC >= 0)
367 
    {
368 
      for (i = 0; i < inwidth; ++i)
369 
        {
370 
          if (use_is_acc_mmac (cpu, in_ACC + i))
371 
            decrease_ACC_busy (cpu, in_ACC + i, 1);
372 
          else
373 
            enforce_full_acc_latency (cpu, in_ACC + i);
374 
        }
375 
    }
376 
  if (out_ACC >= 0)
377 
    {
378 
      for (i = 0; i < outwidth; ++i)
379 
        {
380 
          if (! REG_OVERLAP (out_ACC + i, 1, in_ACC, inwidth))
381 
            {
382 
              if (use_is_acc_mmac (cpu, out_ACC + i))
383 
                decrease_ACC_busy (cpu, out_ACC + i, 1);
384 
              else
385 
                enforce_full_acc_latency (cpu, out_ACC + i);
386 
            }
387 
        }
388 
    }
389 
}
390 
 
391 
static void
392 
restore_acc_busy_for_mmac (SIM_CPU *cpu,
393 
                           INT in_ACC, int inwidth,
394 
                           INT out_ACC, int outwidth)
395 
{
396 
  int i;
397 
  if (in_ACC >= 0)
398 
    {
399 
      for (i = 0; i < inwidth; ++i)
400 
        {
401 
          if (use_is_acc_mmac (cpu, in_ACC + i))
402 
            increase_ACC_busy (cpu, in_ACC + i, 1);
403 
        }
404 
    }
405 
  if (out_ACC >= 0)
406 
    {
407 
      for (i = 0; i < outwidth; ++i)
408 
        {
409 
          if (! REG_OVERLAP (out_ACC + i, 1, in_ACC, inwidth))
410 
            {
411 
              if (use_is_acc_mmac (cpu, out_ACC + i))
412 
                increase_ACC_busy (cpu, out_ACC + i, 1);
413 
            }
414 
        }
415 
    }
416 
}
417 
 
418 
int
419 
frvbf_model_fr550_u_exec (SIM_CPU *cpu, const IDESC *idesc,
420 
                          int unit_num, int referenced)
421 
{
422 
  return idesc->timing->units[unit_num].done;
423 
}
424 
 
425 
int
426 
frvbf_model_fr550_u_integer (SIM_CPU *cpu, const IDESC *idesc,
427 
                             int unit_num, int referenced,
428 
                             INT in_GRi, INT in_GRj, INT out_GRk,
429 
                             INT out_ICCi_1)
430 
{
431 
  int cycles;
432 
 
433 
  /* icc0-icc4 are the upper 4 fields of the CCR.  */
434 
  if (out_ICCi_1 >= 0)
435 
    out_ICCi_1 += 4;
436 
 
437 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
438 
    {
439 
      /* The entire VLIW insn must wait if there is a dependency on a register
440 
         which is not ready yet.  */
441 
      vliw_wait_for_GR (cpu, in_GRi);
442 
      vliw_wait_for_GR (cpu, in_GRj);
443 
      vliw_wait_for_GR (cpu, out_GRk);
444 
      vliw_wait_for_CCR (cpu, out_ICCi_1);
445 
      handle_resource_wait (cpu);
446 
      load_wait_for_GR (cpu, in_GRi);
447 
      load_wait_for_GR (cpu, in_GRj);
448 
      load_wait_for_GR (cpu, out_GRk);
449 
      trace_vliw_wait_cycles (cpu);
450 
      return 0;
451 
    }
452 
 
453 
  fr550_reset_ccr_flags (cpu, out_ICCi_1);
454 
 
455 
  /* GRk is available immediately to the next VLIW insn as is ICCi_1.  */
456 
  cycles = idesc->timing->units[unit_num].done;
457 
  return cycles;
458 
}
459 
 
460 
int
461 
frvbf_model_fr550_u_imul (SIM_CPU *cpu, const IDESC *idesc,
462 
                          int unit_num, int referenced,
463 
                          INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
464 
{
465 
  int cycles;
466 
  /* icc0-icc4 are the upper 4 fields of the CCR.  */
467 
  if (out_ICCi_1 >= 0)
468 
    out_ICCi_1 += 4;
469 
 
470 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
471 
    {
472 
      /* The entire VLIW insn must wait if there is a dependency on a register
473 
         which is not ready yet.  */
474 
      vliw_wait_for_GR (cpu, in_GRi);
475 
      vliw_wait_for_GR (cpu, in_GRj);
476 
      vliw_wait_for_GRdouble (cpu, out_GRk);
477 
      vliw_wait_for_CCR (cpu, out_ICCi_1);
478 
      handle_resource_wait (cpu);
479 
      load_wait_for_GR (cpu, in_GRi);
480 
      load_wait_for_GR (cpu, in_GRj);
481 
      load_wait_for_GRdouble (cpu, out_GRk);
482 
      trace_vliw_wait_cycles (cpu);
483 
      return 0;
484 
    }
485 
 
486 
  /* GRk has a latency of 1 cycles.  */
487 
  cycles = idesc->timing->units[unit_num].done;
488 
  update_GRdouble_latency (cpu, out_GRk, cycles + 1);
489 
 
490 
  /* ICCi_1 has a latency of 1 cycle.  */
491 
  update_CCR_latency (cpu, out_ICCi_1, cycles + 1);
492 
 
493 
  fr550_reset_ccr_flags (cpu, out_ICCi_1);
494 
 
495 
  return cycles;
496 
}
497 
 
498 
int
499 
frvbf_model_fr550_u_idiv (SIM_CPU *cpu, const IDESC *idesc,
500 
                          int unit_num, int referenced,
501 
                          INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
502 
{
503 
  int cycles;
504 
  FRV_VLIW *vliw;
505 
  int slot;
506 
 
507 
  /* icc0-icc4 are the upper 4 fields of the CCR.  */
508 
  if (out_ICCi_1 >= 0)
509 
    out_ICCi_1 += 4;
510 
 
511 
  vliw = CPU_VLIW (cpu);
512 
  slot = vliw->next_slot - 1;
513 
  slot = (*vliw->current_vliw)[slot] - UNIT_I0;
514 
 
515 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
516 
    {
517 
      /* The entire VLIW insn must wait if there is a dependency on a register
518 
         which is not ready yet.  */
519 
      vliw_wait_for_GR (cpu, in_GRi);
520 
      vliw_wait_for_GR (cpu, in_GRj);
521 
      vliw_wait_for_GR (cpu, out_GRk);
522 
      vliw_wait_for_CCR (cpu, out_ICCi_1);
523 
      vliw_wait_for_idiv_resource (cpu, slot);
524 
      handle_resource_wait (cpu);
525 
      load_wait_for_GR (cpu, in_GRi);
526 
      load_wait_for_GR (cpu, in_GRj);
527 
      load_wait_for_GR (cpu, out_GRk);
528 
      trace_vliw_wait_cycles (cpu);
529 
      return 0;
530 
    }
531 
 
532 
  /* GRk has a latency of 18 cycles!  */
533 
  cycles = idesc->timing->units[unit_num].done;
534 
  update_GR_latency (cpu, out_GRk, cycles + 18);
535 
 
536 
  /* ICCi_1 has a latency of 18 cycles.  */
537 
  update_CCR_latency (cpu, out_ICCi_1, cycles + 18);
538 
 
539 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
540 
    {
541 
      /* GNER has a latency of 18 cycles.  */
542 
      update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 18);
543 
    }
544 
 
545 
  /* the idiv resource has a latency of 18 cycles!  */
546 
  update_idiv_resource_latency (cpu, slot, cycles + 18);
547 
 
548 
  fr550_reset_ccr_flags (cpu, out_ICCi_1);
549 
 
550 
  return cycles;
551 
}
552 
 
553 
int
554 
frvbf_model_fr550_u_branch (SIM_CPU *cpu, const IDESC *idesc,
555 
                            int unit_num, int referenced,
556 
                            INT in_GRi, INT in_GRj,
557 
                            INT in_ICCi_2, INT in_FCCi_2)
558 
{
559 
  int cycles;
560 
  FRV_PROFILE_STATE *ps;
561 
 
562 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
563 
    {
564 
      /* icc0-icc4 are the upper 4 fields of the CCR.  */
565 
      if (in_ICCi_2 >= 0)
566 
        in_ICCi_2 += 4;
567 
 
568 
      /* The entire VLIW insn must wait if there is a dependency on a register
569 
         which is not ready yet.  */
570 
      vliw_wait_for_GR (cpu, in_GRi);
571 
      vliw_wait_for_GR (cpu, in_GRj);
572 
      vliw_wait_for_CCR (cpu, in_ICCi_2);
573 
      vliw_wait_for_CCR (cpu, in_FCCi_2);
574 
      handle_resource_wait (cpu);
575 
      load_wait_for_GR (cpu, in_GRi);
576 
      load_wait_for_GR (cpu, in_GRj);
577 
      trace_vliw_wait_cycles (cpu);
578 
      return 0;
579 
    }
580 
 
581 
  /* When counting branches taken or not taken, don't consider branches after
582 
     the first taken branch in a vliw insn.  */
583 
  ps = CPU_PROFILE_STATE (cpu);
584 
  if (! ps->vliw_branch_taken)
585 
    {
586 
      /* (1 << 4): The pc is the 5th element in inputs, outputs.
587 
         ??? can be cleaned up */
588 
      PROFILE_DATA *p = CPU_PROFILE_DATA (cpu);
589 
      int taken = (referenced & (1 << 4)) != 0;
590 
      if (taken)
591 
        {
592 
          ++PROFILE_MODEL_TAKEN_COUNT (p);
593 
          ps->vliw_branch_taken = 1;
594 
        }
595 
      else
596 
        ++PROFILE_MODEL_UNTAKEN_COUNT (p);
597 
    }
598 
 
599 
  cycles = idesc->timing->units[unit_num].done;
600 
  return cycles;
601 
}
602 
 
603 
int
604 
frvbf_model_fr550_u_trap (SIM_CPU *cpu, const IDESC *idesc,
605 
                          int unit_num, int referenced,
606 
                          INT in_GRi, INT in_GRj,
607 
                          INT in_ICCi_2, INT in_FCCi_2)
608 
{
609 
  int cycles;
610 
 
611 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
612 
    {
613 
      /* icc0-icc4 are the upper 4 fields of the CCR.  */
614 
      if (in_ICCi_2 >= 0)
615 
        in_ICCi_2 += 4;
616 
 
617 
      /* The entire VLIW insn must wait if there is a dependency on a register
618 
         which is not ready yet.  */
619 
      vliw_wait_for_GR (cpu, in_GRi);
620 
      vliw_wait_for_GR (cpu, in_GRj);
621 
      vliw_wait_for_CCR (cpu, in_ICCi_2);
622 
      vliw_wait_for_CCR (cpu, in_FCCi_2);
623 
      handle_resource_wait (cpu);
624 
      load_wait_for_GR (cpu, in_GRi);
625 
      load_wait_for_GR (cpu, in_GRj);
626 
      trace_vliw_wait_cycles (cpu);
627 
      return 0;
628 
    }
629 
 
630 
  cycles = idesc->timing->units[unit_num].done;
631 
  return cycles;
632 
}
633 
 
634 
int
635 
frvbf_model_fr550_u_check (SIM_CPU *cpu, const IDESC *idesc,
636 
                           int unit_num, int referenced,
637 
                           INT in_ICCi_3, INT in_FCCi_3)
638 
{
639 
  /* Modelling for this unit is the same as for fr500.  */
640 
  return frvbf_model_fr500_u_check (cpu, idesc, unit_num, referenced,
641 
                                    in_ICCi_3, in_FCCi_3);
642 
}
643 
 
644 
int
645 
frvbf_model_fr550_u_set_hilo (SIM_CPU *cpu, const IDESC *idesc,
646 
                             int unit_num, int referenced,
647 
                             INT out_GRkhi, INT out_GRklo)
648 
{
649 
  int cycles;
650 
 
651 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
652 
    {
653 
      /* The entire VLIW insn must wait if there is a dependency on a GR
654 
         which is not ready yet.  */
655 
      vliw_wait_for_GR (cpu, out_GRkhi);
656 
      vliw_wait_for_GR (cpu, out_GRklo);
657 
      handle_resource_wait (cpu);
658 
      load_wait_for_GR (cpu, out_GRkhi);
659 
      load_wait_for_GR (cpu, out_GRklo);
660 
      trace_vliw_wait_cycles (cpu);
661 
      return 0;
662 
    }
663 
 
664 
  /* GRk is available immediately to the next VLIW insn.  */
665 
  cycles = idesc->timing->units[unit_num].done;
666 
 
667 
  return cycles;
668 
}
669 
 
670 
int
671 
frvbf_model_fr550_u_gr_load (SIM_CPU *cpu, const IDESC *idesc,
672 
                             int unit_num, int referenced,
673 
                             INT in_GRi, INT in_GRj,
674 
                             INT out_GRk, INT out_GRdoublek)
675 
{
676 
  int cycles;
677 
 
678 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
679 
    {
680 
      /* The entire VLIW insn must wait if there is a dependency on a register
681 
         which is not ready yet.  */
682 
      vliw_wait_for_GR (cpu, in_GRi);
683 
      vliw_wait_for_GR (cpu, in_GRj);
684 
      vliw_wait_for_GR (cpu, out_GRk);
685 
      vliw_wait_for_GRdouble (cpu, out_GRdoublek);
686 
      handle_resource_wait (cpu);
687 
      load_wait_for_GR (cpu, in_GRi);
688 
      load_wait_for_GR (cpu, in_GRj);
689 
      load_wait_for_GR (cpu, out_GRk);
690 
      load_wait_for_GRdouble (cpu, out_GRdoublek);
691 
      trace_vliw_wait_cycles (cpu);
692 
      return 0;
693 
    }
694 
 
695 
  cycles = idesc->timing->units[unit_num].done;
696 
 
697 
  /* The latency of GRk for a load will depend on how long it takes to retrieve
698 
     the the data from the cache or memory.  */
699 
  update_GR_latency_for_load (cpu, out_GRk, cycles);
700 
  update_GRdouble_latency_for_load (cpu, out_GRdoublek, cycles);
701 
 
702 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
703 
    {
704 
      /* GNER has a latency of 2 cycles.  */
705 
      update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 2);
706 
      update_SPR_latency (cpu, GNER_FOR_GR (out_GRdoublek), cycles + 2);
707 
    }
708 
 
709 
  return cycles;
710 
}
711 
 
712 
int
713 
frvbf_model_fr550_u_gr_store (SIM_CPU *cpu, const IDESC *idesc,
714 
                              int unit_num, int referenced,
715 
                              INT in_GRi, INT in_GRj,
716 
                              INT in_GRk, INT in_GRdoublek)
717 
{
718 
  int cycles;
719 
 
720 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
721 
    {
722 
      /* The entire VLIW insn must wait if there is a dependency on a register
723 
         which is not ready yet.  */
724 
      vliw_wait_for_GR (cpu, in_GRi);
725 
      vliw_wait_for_GR (cpu, in_GRj);
726 
      vliw_wait_for_GR (cpu, in_GRk);
727 
      vliw_wait_for_GRdouble (cpu, in_GRdoublek);
728 
      handle_resource_wait (cpu);
729 
      load_wait_for_GR (cpu, in_GRi);
730 
      load_wait_for_GR (cpu, in_GRj);
731 
      load_wait_for_GR (cpu, in_GRk);
732 
      load_wait_for_GRdouble (cpu, in_GRdoublek);
733 
      trace_vliw_wait_cycles (cpu);
734 
      return 0;
735 
    }
736 
 
737 
  /* The target register is available immediately.  */
738 
  cycles = idesc->timing->units[unit_num].done;
739 
 
740 
  return cycles;
741 
}
742 
 
743 
int
744 
frvbf_model_fr550_u_fr_load (SIM_CPU *cpu, const IDESC *idesc,
745 
                             int unit_num, int referenced,
746 
                             INT in_GRi, INT in_GRj,
747 
                             INT out_FRk, INT out_FRdoublek)
748 
{
749 
  int cycles;
750 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
751 
    {
752 
      /* The entire VLIW insn must wait if there is a dependency on a register
753 
         which is not ready yet.
754 
         The latency of the registers may be less than previously recorded,
755 
         depending on how they were used previously.
756 
         See Table 13-8 in the LSI.  */
757 
      adjust_float_register_busy (cpu, -1, 1, -1, 1, out_FRk, 1);
758 
      adjust_float_register_busy (cpu, -1, 1, -1, 1, out_FRdoublek, 2);
759 
      vliw_wait_for_GR (cpu, in_GRi);
760 
      vliw_wait_for_GR (cpu, in_GRj);
761 
      vliw_wait_for_FR (cpu, out_FRk);
762 
      vliw_wait_for_FRdouble (cpu, out_FRdoublek);
763 
      if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
764 
        {
765 
          vliw_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
766 
          vliw_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
767 
        }
768 
      handle_resource_wait (cpu);
769 
      load_wait_for_GR (cpu, in_GRi);
770 
      load_wait_for_GR (cpu, in_GRj);
771 
      load_wait_for_FR (cpu, out_FRk);
772 
      load_wait_for_FRdouble (cpu, out_FRdoublek);
773 
      trace_vliw_wait_cycles (cpu);
774 
      return 0;
775 
    }
776 
 
777 
  cycles = idesc->timing->units[unit_num].done;
778 
 
779 
  /* The latency of FRk for a load will depend on how long it takes to retrieve
780 
     the the data from the cache or memory.  */
781 
  update_FR_latency_for_load (cpu, out_FRk, cycles);
782 
  update_FRdouble_latency_for_load (cpu, out_FRdoublek, cycles);
783 
 
784 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
785 
    {
786 
      /* FNER has a latency of 3 cycles.  */
787 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), cycles + 3);
788 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), cycles + 3);
789 
    }
790 
 
791 
  if (out_FRk >= 0)
792 
    set_use_is_fr_load (cpu, out_FRk);
793 
  if (out_FRdoublek >= 0)
794 
    {
795 
      set_use_is_fr_load (cpu, out_FRdoublek);
796 
      set_use_is_fr_load (cpu, out_FRdoublek + 1);
797 
    }
798 
 
799 
  return cycles;
800 
}
801 
 
802 
int
803 
frvbf_model_fr550_u_fr_store (SIM_CPU *cpu, const IDESC *idesc,
804 
                              int unit_num, int referenced,
805 
                              INT in_GRi, INT in_GRj,
806 
                              INT in_FRk, INT in_FRdoublek)
807 
{
808 
  int cycles;
809 
 
810 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
811 
    {
812 
      /* The entire VLIW insn must wait if there is a dependency on a register
813 
         which is not ready yet.  */
814 
      adjust_float_register_busy (cpu, in_FRk, 1, -1, 1, -1, 1);
815 
      adjust_float_register_busy (cpu, in_FRdoublek, 2, -1, 1, -1, 1);
816 
      vliw_wait_for_GR (cpu, in_GRi);
817 
      vliw_wait_for_GR (cpu, in_GRj);
818 
      vliw_wait_for_FR (cpu, in_FRk);
819 
      vliw_wait_for_FRdouble (cpu, in_FRdoublek);
820 
      handle_resource_wait (cpu);
821 
      load_wait_for_GR (cpu, in_GRi);
822 
      load_wait_for_GR (cpu, in_GRj);
823 
      load_wait_for_FR (cpu, in_FRk);
824 
      load_wait_for_FRdouble (cpu, in_FRdoublek);
825 
      trace_vliw_wait_cycles (cpu);
826 
      return 0;
827 
    }
828 
 
829 
  /* The target register is available immediately.  */
830 
  cycles = idesc->timing->units[unit_num].done;
831 
 
832 
  return cycles;
833 
}
834 
 
835 
int
836 
frvbf_model_fr550_u_ici (SIM_CPU *cpu, const IDESC *idesc,
837 
                         int unit_num, int referenced,
838 
                         INT in_GRi, INT in_GRj)
839 
{
840 
  int cycles;
841 
 
842 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
843 
    {
844 
      /* The entire VLIW insn must wait if there is a dependency on a register
845 
         which is not ready yet.  */
846 
      vliw_wait_for_GR (cpu, in_GRi);
847 
      vliw_wait_for_GR (cpu, in_GRj);
848 
      handle_resource_wait (cpu);
849 
      load_wait_for_GR (cpu, in_GRi);
850 
      load_wait_for_GR (cpu, in_GRj);
851 
      trace_vliw_wait_cycles (cpu);
852 
      return 0;
853 
    }
854 
 
855 
  cycles = idesc->timing->units[unit_num].done;
856 
  request_cache_invalidate (cpu, CPU_INSN_CACHE (cpu), cycles);
857 
  return cycles;
858 
}
859 
 
860 
int
861 
frvbf_model_fr550_u_dci (SIM_CPU *cpu, const IDESC *idesc,
862 
                         int unit_num, int referenced,
863 
                         INT in_GRi, INT in_GRj)
864 
{
865 
  int cycles;
866 
 
867 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
868 
    {
869 
      /* The entire VLIW insn must wait if there is a dependency on a register
870 
         which is not ready yet.  */
871 
      vliw_wait_for_GR (cpu, in_GRi);
872 
      vliw_wait_for_GR (cpu, in_GRj);
873 
      handle_resource_wait (cpu);
874 
      load_wait_for_GR (cpu, in_GRi);
875 
      load_wait_for_GR (cpu, in_GRj);
876 
      trace_vliw_wait_cycles (cpu);
877 
      return 0;
878 
    }
879 
 
880 
  cycles = idesc->timing->units[unit_num].done;
881 
  request_cache_invalidate (cpu, CPU_DATA_CACHE (cpu), cycles);
882 
  return cycles;
883 
}
884 
 
885 
int
886 
frvbf_model_fr550_u_dcf (SIM_CPU *cpu, const IDESC *idesc,
887 
                         int unit_num, int referenced,
888 
                         INT in_GRi, INT in_GRj)
889 
{
890 
  int cycles;
891 
 
892 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
893 
    {
894 
      /* The entire VLIW insn must wait if there is a dependency on a register
895 
         which is not ready yet.  */
896 
      vliw_wait_for_GR (cpu, in_GRi);
897 
      vliw_wait_for_GR (cpu, in_GRj);
898 
      handle_resource_wait (cpu);
899 
      load_wait_for_GR (cpu, in_GRi);
900 
      load_wait_for_GR (cpu, in_GRj);
901 
      trace_vliw_wait_cycles (cpu);
902 
      return 0;
903 
    }
904 
 
905 
  cycles = idesc->timing->units[unit_num].done;
906 
  request_cache_flush (cpu, CPU_DATA_CACHE (cpu), cycles);
907 
  return cycles;
908 
}
909 
 
910 
int
911 
frvbf_model_fr550_u_icpl (SIM_CPU *cpu, const IDESC *idesc,
912 
                          int unit_num, int referenced,
913 
                          INT in_GRi, INT in_GRj)
914 
{
915 
  int cycles;
916 
 
917 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
918 
    {
919 
      /* The entire VLIW insn must wait if there is a dependency on a register
920 
         which is not ready yet.  */
921 
      vliw_wait_for_GR (cpu, in_GRi);
922 
      vliw_wait_for_GR (cpu, in_GRj);
923 
      handle_resource_wait (cpu);
924 
      load_wait_for_GR (cpu, in_GRi);
925 
      load_wait_for_GR (cpu, in_GRj);
926 
      trace_vliw_wait_cycles (cpu);
927 
      return 0;
928 
    }
929 
 
930 
  cycles = idesc->timing->units[unit_num].done;
931 
  request_cache_preload (cpu, CPU_INSN_CACHE (cpu), cycles);
932 
  return cycles;
933 
}
934 
 
935 
int
936 
frvbf_model_fr550_u_dcpl (SIM_CPU *cpu, const IDESC *idesc,
937 
                          int unit_num, int referenced,
938 
                          INT in_GRi, INT in_GRj)
939 
{
940 
  int cycles;
941 
 
942 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
943 
    {
944 
      /* The entire VLIW insn must wait if there is a dependency on a register
945 
         which is not ready yet.  */
946 
      vliw_wait_for_GR (cpu, in_GRi);
947 
      vliw_wait_for_GR (cpu, in_GRj);
948 
      handle_resource_wait (cpu);
949 
      load_wait_for_GR (cpu, in_GRi);
950 
      load_wait_for_GR (cpu, in_GRj);
951 
      trace_vliw_wait_cycles (cpu);
952 
      return 0;
953 
    }
954 
 
955 
  cycles = idesc->timing->units[unit_num].done;
956 
  request_cache_preload (cpu, CPU_DATA_CACHE (cpu), cycles);
957 
  return cycles;
958 
}
959 
 
960 
int
961 
frvbf_model_fr550_u_icul (SIM_CPU *cpu, const IDESC *idesc,
962 
                          int unit_num, int referenced,
963 
                          INT in_GRi, INT in_GRj)
964 
{
965 
  int cycles;
966 
 
967 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
968 
    {
969 
      /* The entire VLIW insn must wait if there is a dependency on a register
970 
         which is not ready yet.  */
971 
      vliw_wait_for_GR (cpu, in_GRi);
972 
      vliw_wait_for_GR (cpu, in_GRj);
973 
      handle_resource_wait (cpu);
974 
      load_wait_for_GR (cpu, in_GRi);
975 
      load_wait_for_GR (cpu, in_GRj);
976 
      trace_vliw_wait_cycles (cpu);
977 
      return 0;
978 
    }
979 
 
980 
  cycles = idesc->timing->units[unit_num].done;
981 
  request_cache_unlock (cpu, CPU_INSN_CACHE (cpu), cycles);
982 
  return cycles;
983 
}
984 
 
985 
int
986 
frvbf_model_fr550_u_dcul (SIM_CPU *cpu, const IDESC *idesc,
987 
                          int unit_num, int referenced,
988 
                          INT in_GRi, INT in_GRj)
989 
{
990 
  int cycles;
991 
 
992 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
993 
    {
994 
      /* The entire VLIW insn must wait if there is a dependency on a register
995 
         which is not ready yet.  */
996 
      vliw_wait_for_GR (cpu, in_GRi);
997 
      vliw_wait_for_GR (cpu, in_GRj);
998 
      handle_resource_wait (cpu);
999 
      load_wait_for_GR (cpu, in_GRi);
1000 
      load_wait_for_GR (cpu, in_GRj);
1001 
      trace_vliw_wait_cycles (cpu);
1002 
      return 0;
1003 
    }
1004 
 
1005 
  cycles = idesc->timing->units[unit_num].done;
1006 
  request_cache_unlock (cpu, CPU_DATA_CACHE (cpu), cycles);
1007 
  return cycles;
1008 
}
1009 
 
1010 
int
1011 
frvbf_model_fr550_u_float_arith (SIM_CPU *cpu, const IDESC *idesc,
1012 
                                 int unit_num, int referenced,
1013 
                                 INT in_FRi, INT in_FRj,
1014 
                                 INT in_FRdoublei, INT in_FRdoublej,
1015 
                                 INT out_FRk, INT out_FRdoublek)
1016 
{
1017 
  int cycles;
1018 
  FRV_PROFILE_STATE *ps;
1019 
  FRV_VLIW *vliw;
1020 
  int slot;
1021 
 
1022 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1023 
    return 0;
1024 
 
1025 
  /* The preprocessing can execute right away.  */
1026 
  cycles = idesc->timing->units[unit_num].done;
1027 
 
1028 
  /* The post processing must wait if there is a dependency on a FR
1029 
     which is not ready yet.  */
1030 
  adjust_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
1031 
  adjust_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, out_FRdoublek, 2);
1032 
  ps = CPU_PROFILE_STATE (cpu);
1033 
  ps->post_wait = cycles;
1034 
  vliw = CPU_VLIW (cpu);
1035 
  slot = vliw->next_slot - 1;
1036 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1037 
  post_wait_for_float (cpu, slot);
1038 
  post_wait_for_FR (cpu, in_FRi);
1039 
  post_wait_for_FR (cpu, in_FRj);
1040 
  post_wait_for_FR (cpu, out_FRk);
1041 
  post_wait_for_FRdouble (cpu, in_FRdoublei);
1042 
  post_wait_for_FRdouble (cpu, in_FRdoublej);
1043 
  post_wait_for_FRdouble (cpu, out_FRdoublek);
1044 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1045 
    {
1046 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
1047 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
1048 
    }
1049 
  restore_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
1050 
  restore_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, out_FRdoublek, 2);
1051 
 
1052 
  /* The latency of FRk will be at least the latency of the other inputs.  */
1053 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1054 
  update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
1055 
 
1056 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1057 
    {
1058 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
1059 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
1060 
    }
1061 
 
1062 
  /* Once initiated, post-processing will take 2 cycles.  */
1063 
  update_FR_ptime (cpu, out_FRk, 2);
1064 
  update_FRdouble_ptime (cpu, out_FRdoublek, 2);
1065 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1066 
    {
1067 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 2);
1068 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 2);
1069 
    }
1070 
 
1071 
  /* Mark this use of the register as a floating point op.  */
1072 
  if (out_FRk >= 0)
1073 
    set_use_is_fr_complex_2 (cpu, out_FRk);
1074 
  if (out_FRdoublek >= 0)
1075 
    {
1076 
      set_use_is_fr_complex_2 (cpu, out_FRdoublek);
1077 
      if (out_FRdoublek < 63)
1078 
        set_use_is_fr_complex_2 (cpu, out_FRdoublek + 1);
1079 
    }
1080 
 
1081 
  /* the media point unit resource has a latency of 4 cycles  */
1082 
  update_media_resource_latency (cpu, slot, cycles + 4);
1083 
 
1084 
  return cycles;
1085 
}
1086 
 
1087 
int
1088 
frvbf_model_fr550_u_float_dual_arith (SIM_CPU *cpu, const IDESC *idesc,
1089 
                                      int unit_num, int referenced,
1090 
                                      INT in_FRi, INT in_FRj,
1091 
                                      INT in_FRdoublei, INT in_FRdoublej,
1092 
                                      INT out_FRk, INT out_FRdoublek)
1093 
{
1094 
  int cycles;
1095 
  INT dual_FRi;
1096 
  INT dual_FRj;
1097 
  INT dual_FRk;
1098 
  INT dual_FRdoublei;
1099 
  INT dual_FRdoublej;
1100 
  INT dual_FRdoublek;
1101 
  FRV_PROFILE_STATE *ps;
1102 
  FRV_VLIW *vliw;
1103 
  int slot;
1104 
 
1105 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1106 
    return 0;
1107 
 
1108 
  /* The preprocessing can execute right away.  */
1109 
  cycles = idesc->timing->units[unit_num].done;
1110 
 
1111 
  /* The post processing must wait if there is a dependency on a FR
1112 
     which is not ready yet.  */
1113 
  dual_FRi = DUAL_REG (in_FRi);
1114 
  dual_FRj = DUAL_REG (in_FRj);
1115 
  dual_FRk = DUAL_REG (out_FRk);
1116 
  dual_FRdoublei = DUAL_DOUBLE (in_FRdoublei);
1117 
  dual_FRdoublej = DUAL_DOUBLE (in_FRdoublej);
1118 
  dual_FRdoublek = DUAL_DOUBLE (out_FRdoublek);
1119 
 
1120 
  adjust_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
1121 
  adjust_float_register_busy (cpu, in_FRdoublei, 4, in_FRdoublej, 4, out_FRdoublek, 4);
1122 
  ps = CPU_PROFILE_STATE (cpu);
1123 
  ps->post_wait = cycles;
1124 
  vliw = CPU_VLIW (cpu);
1125 
  slot = vliw->next_slot - 1;
1126 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1127 
  post_wait_for_float (cpu, slot);
1128 
  post_wait_for_FR (cpu, in_FRi);
1129 
  post_wait_for_FR (cpu, in_FRj);
1130 
  post_wait_for_FR (cpu, out_FRk);
1131 
  post_wait_for_FR (cpu, dual_FRi);
1132 
  post_wait_for_FR (cpu, dual_FRj);
1133 
  post_wait_for_FR (cpu, dual_FRk);
1134 
  post_wait_for_FRdouble (cpu, in_FRdoublei);
1135 
  post_wait_for_FRdouble (cpu, in_FRdoublej);
1136 
  post_wait_for_FRdouble (cpu, out_FRdoublek);
1137 
  post_wait_for_FRdouble (cpu, dual_FRdoublei);
1138 
  post_wait_for_FRdouble (cpu, dual_FRdoublej);
1139 
  post_wait_for_FRdouble (cpu, dual_FRdoublek);
1140 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1141 
    {
1142 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
1143 
      post_wait_for_SPR (cpu, FNER_FOR_FR (dual_FRk));
1144 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
1145 
      post_wait_for_SPR (cpu, FNER_FOR_FR (dual_FRdoublek));
1146 
    }
1147 
  restore_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
1148 
  restore_float_register_busy (cpu, in_FRdoublei, 4, in_FRdoublej, 4, out_FRdoublek, 4);
1149 
 
1150 
  /* The latency of FRk will be at least the latency of the other inputs.  */
1151 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1152 
  update_FR_latency (cpu, dual_FRk, ps->post_wait);
1153 
  update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
1154 
  update_FRdouble_latency (cpu, dual_FRdoublek, ps->post_wait);
1155 
 
1156 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1157 
    {
1158 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
1159 
      update_SPR_latency (cpu, FNER_FOR_FR (dual_FRk), ps->post_wait);
1160 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
1161 
      update_SPR_latency (cpu, FNER_FOR_FR (dual_FRdoublek), ps->post_wait);
1162 
    }
1163 
 
1164 
  /* Once initiated, post-processing will take 3 cycles.  */
1165 
  update_FR_ptime (cpu, out_FRk, 3);
1166 
  update_FR_ptime (cpu, dual_FRk, 3);
1167 
  update_FRdouble_ptime (cpu, out_FRdoublek, 3);
1168 
  update_FRdouble_ptime (cpu, dual_FRdoublek, 3);
1169 
 
1170 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1171 
    {
1172 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 3);
1173 
      update_SPR_ptime (cpu, FNER_FOR_FR (dual_FRk), 3);
1174 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 3);
1175 
      update_SPR_ptime (cpu, FNER_FOR_FR (dual_FRdoublek), 3);
1176 
    }
1177 
 
1178 
  /* Mark this use of the register as a floating point op.  */
1179 
  if (out_FRk >= 0)
1180 
    fr550_reset_fr_flags (cpu, out_FRk);
1181 
  if (dual_FRk >= 0)
1182 
    fr550_reset_fr_flags (cpu, dual_FRk);
1183 
  if (out_FRdoublek >= 0)
1184 
    {
1185 
      fr550_reset_fr_flags (cpu, out_FRdoublek);
1186 
      if (out_FRdoublek < 63)
1187 
        fr550_reset_fr_flags (cpu, out_FRdoublek + 1);
1188 
    }
1189 
  if (dual_FRdoublek >= 0)
1190 
    {
1191 
      fr550_reset_fr_flags (cpu, dual_FRdoublek);
1192 
      if (dual_FRdoublek < 63)
1193 
        fr550_reset_fr_flags (cpu, dual_FRdoublek + 1);
1194 
    }
1195 
 
1196 
  /* the media point unit resource has a latency of 5 cycles  */
1197 
  update_media_resource_latency (cpu, slot, cycles + 5);
1198 
 
1199 
  return cycles;
1200 
}
1201 
 
1202 
int
1203 
frvbf_model_fr550_u_float_div (SIM_CPU *cpu, const IDESC *idesc,
1204 
                               int unit_num, int referenced,
1205 
                               INT in_FRi, INT in_FRj, INT out_FRk)
1206 
{
1207 
  int cycles;
1208 
  FRV_VLIW *vliw;
1209 
  int slot;
1210 
  FRV_PROFILE_STATE *ps;
1211 
 
1212 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1213 
    return 0;
1214 
 
1215 
  cycles = idesc->timing->units[unit_num].done;
1216 
 
1217 
  /* The post processing must wait if there is a dependency on a FR
1218 
     which is not ready yet.  */
1219 
  adjust_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
1220 
  ps = CPU_PROFILE_STATE (cpu);
1221 
  ps->post_wait = cycles;
1222 
  vliw = CPU_VLIW (cpu);
1223 
  slot = vliw->next_slot - 1;
1224 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1225 
  post_wait_for_float (cpu, slot);
1226 
  post_wait_for_fdiv (cpu, slot);
1227 
  post_wait_for_FR (cpu, in_FRi);
1228 
  post_wait_for_FR (cpu, in_FRj);
1229 
  post_wait_for_FR (cpu, out_FRk);
1230 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1231 
    post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
1232 
  restore_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
1233 
 
1234 
  /* The latency of FRk will be at least the latency of the other inputs.  */
1235 
  /* Once initiated, post-processing will take 9 cycles.  */
1236 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1237 
  update_FR_ptime (cpu, out_FRk, 9);
1238 
 
1239 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1240 
    {
1241 
      /* FNER has a latency of 9 cycles.  */
1242 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
1243 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 9);
1244 
    }
1245 
 
1246 
  /* The latency of the fdiv unit will be at least the latency of the other
1247 
     inputs.  Once initiated, post-processing will take 9 cycles.  */
1248 
  update_fdiv_resource_latency (cpu, slot, ps->post_wait + 9);
1249 
 
1250 
  /* the media point unit resource has a latency of 11 cycles  */
1251 
  update_media_resource_latency (cpu, slot, cycles + 11);
1252 
 
1253 
  fr550_reset_fr_flags (cpu, out_FRk);
1254 
 
1255 
  return cycles;
1256 
}
1257 
 
1258 
int
1259 
frvbf_model_fr550_u_float_sqrt (SIM_CPU *cpu, const IDESC *idesc,
1260 
                                int unit_num, int referenced,
1261 
                                INT in_FRj, INT in_FRdoublej,
1262 
                                INT out_FRk, INT out_FRdoublek)
1263 
{
1264 
  int cycles;
1265 
  FRV_VLIW *vliw;
1266 
  int slot;
1267 
  FRV_PROFILE_STATE *ps;
1268 
 
1269 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1270 
    return 0;
1271 
 
1272 
  cycles = idesc->timing->units[unit_num].done;
1273 
 
1274 
  /* The post processing must wait if there is a dependency on a FR
1275 
     which is not ready yet.  */
1276 
  adjust_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1277 
  adjust_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
1278 
  ps = CPU_PROFILE_STATE (cpu);
1279 
  ps->post_wait = cycles;
1280 
  vliw = CPU_VLIW (cpu);
1281 
  slot = vliw->next_slot - 1;
1282 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1283 
  post_wait_for_float (cpu, slot);
1284 
  post_wait_for_fsqrt (cpu, slot);
1285 
  post_wait_for_FR (cpu, in_FRj);
1286 
  post_wait_for_FR (cpu, out_FRk);
1287 
  post_wait_for_FRdouble (cpu, in_FRdoublej);
1288 
  post_wait_for_FRdouble (cpu, out_FRdoublek);
1289 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1290 
    {
1291 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
1292 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
1293 
    }
1294 
  restore_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1295 
  restore_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
1296 
 
1297 
  /* The latency of FRk will be at least the latency of the other inputs.  */
1298 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1299 
  update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
1300 
 
1301 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1302 
    {
1303 
      /* FNER has a latency of 14 cycles.  */
1304 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
1305 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
1306 
    }
1307 
 
1308 
  /* Once initiated, post-processing will take 14 cycles.  */
1309 
  update_FR_ptime (cpu, out_FRk, 14);
1310 
  update_FRdouble_ptime (cpu, out_FRdoublek, 14);
1311 
 
1312 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1313 
    {
1314 
      /* FNER has a latency of 14 cycles.  */
1315 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 14);
1316 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 14);
1317 
    }
1318 
 
1319 
  /* The latency of the sqrt unit will be the latency of the other
1320 
     inputs plus 14 cycles.  */
1321 
  update_fsqrt_resource_latency (cpu, slot, ps->post_wait + 14);
1322 
 
1323 
  fr550_reset_fr_flags (cpu, out_FRk);
1324 
  if (out_FRdoublek != -1)
1325 
    {
1326 
      fr550_reset_fr_flags (cpu, out_FRdoublek);
1327 
      fr550_reset_fr_flags (cpu, out_FRdoublek + 1);
1328 
    }
1329 
 
1330 
  /* the media point unit resource has a latency of 16 cycles  */
1331 
  update_media_resource_latency (cpu, slot, cycles + 16);
1332 
 
1333 
  return cycles;
1334 
}
1335 
 
1336 
int
1337 
frvbf_model_fr550_u_float_compare (SIM_CPU *cpu, const IDESC *idesc,
1338 
                                   int unit_num, int referenced,
1339 
                                   INT in_FRi, INT in_FRj,
1340 
                                   INT in_FRdoublei, INT in_FRdoublej,
1341 
                                   INT out_FCCi_2)
1342 
{
1343 
  int cycles;
1344 
  FRV_PROFILE_STATE *ps;
1345 
  FRV_VLIW *vliw;
1346 
  int slot;
1347 
 
1348 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1349 
    return 0;
1350 
 
1351 
  /* The preprocessing can execute right away.  */
1352 
  cycles = idesc->timing->units[unit_num].done;
1353 
 
1354 
  /* The post processing must wait if there is a dependency on a FR
1355 
     which is not ready yet.  */
1356 
  adjust_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, -1, 1);
1357 
  adjust_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, -1, 1);
1358 
  ps = CPU_PROFILE_STATE (cpu);
1359 
  ps->post_wait = cycles;
1360 
  vliw = CPU_VLIW (cpu);
1361 
  slot = vliw->next_slot - 1;
1362 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1363 
  post_wait_for_float (cpu, slot);
1364 
  post_wait_for_FR (cpu, in_FRi);
1365 
  post_wait_for_FR (cpu, in_FRj);
1366 
  post_wait_for_FRdouble (cpu, in_FRdoublei);
1367 
  post_wait_for_FRdouble (cpu, in_FRdoublej);
1368 
  post_wait_for_CCR (cpu, out_FCCi_2);
1369 
  restore_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, -1, 1);
1370 
  restore_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, -1, 1);
1371 
 
1372 
  /* The latency of FCCi_2 will be the latency of the other inputs plus 2
1373 
     cycles.  */
1374 
  update_CCR_latency (cpu, out_FCCi_2, ps->post_wait + 2);
1375 
 
1376 
  /* the media point unit resource has a latency of 4 cycles  */
1377 
  update_media_resource_latency (cpu, slot, cycles + 4);
1378 
 
1379 
  set_use_is_ccr_complex (cpu, out_FCCi_2);
1380 
 
1381 
  return cycles;
1382 
}
1383 
 
1384 
int
1385 
frvbf_model_fr550_u_float_dual_compare (SIM_CPU *cpu, const IDESC *idesc,
1386 
                                        int unit_num, int referenced,
1387 
                                        INT in_FRi, INT in_FRj,
1388 
                                        INT out_FCCi_2)
1389 
{
1390 
  int cycles;
1391 
  INT dual_FRi;
1392 
  INT dual_FRj;
1393 
  INT dual_FCCi_2;
1394 
  FRV_PROFILE_STATE *ps;
1395 
  FRV_VLIW *vliw;
1396 
  int slot;
1397 
 
1398 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1399 
    return 0;
1400 
 
1401 
  /* The preprocessing can execute right away.  */
1402 
  cycles = idesc->timing->units[unit_num].done;
1403 
 
1404 
  /* The post processing must wait if there is a dependency on a FR
1405 
     which is not ready yet.  */
1406 
  ps = CPU_PROFILE_STATE (cpu);
1407 
  ps->post_wait = cycles;
1408 
  dual_FRi = DUAL_REG (in_FRi);
1409 
  dual_FRj = DUAL_REG (in_FRj);
1410 
  dual_FCCi_2 = out_FCCi_2 + 1;
1411 
  adjust_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
1412 
  vliw = CPU_VLIW (cpu);
1413 
  slot = vliw->next_slot - 1;
1414 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1415 
  post_wait_for_float (cpu, slot);
1416 
  post_wait_for_FR (cpu, in_FRi);
1417 
  post_wait_for_FR (cpu, in_FRj);
1418 
  post_wait_for_FR (cpu, dual_FRi);
1419 
  post_wait_for_FR (cpu, dual_FRj);
1420 
  post_wait_for_CCR (cpu, out_FCCi_2);
1421 
  post_wait_for_CCR (cpu, dual_FCCi_2);
1422 
  restore_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
1423 
 
1424 
  /* The latency of FCCi_2 will be the latency of the other inputs plus 3
1425 
     cycles.  */
1426 
  update_CCR_latency (cpu, out_FCCi_2, ps->post_wait + 3);
1427 
  update_CCR_latency (cpu, dual_FCCi_2, ps->post_wait + 3);
1428 
 
1429 
  set_use_is_ccr_complex (cpu, out_FCCi_2);
1430 
  if (dual_FCCi_2 >= 0)
1431 
    set_use_is_ccr_complex (cpu, dual_FCCi_2);
1432 
 
1433 
  /* the media point unit resource has a latency of 5 cycles  */
1434 
  update_media_resource_latency (cpu, slot, cycles + 5);
1435 
 
1436 
  return cycles;
1437 
}
1438 
 
1439 
int
1440 
frvbf_model_fr550_u_float_convert (SIM_CPU *cpu, const IDESC *idesc,
1441 
                                   int unit_num, int referenced,
1442 
                                   INT in_FRj, INT in_FRintj, INT in_FRdoublej,
1443 
                                   INT out_FRk, INT out_FRintk,
1444 
                                   INT out_FRdoublek)
1445 
{
1446 
  int cycles;
1447 
  FRV_PROFILE_STATE *ps;
1448 
  FRV_VLIW *vliw;
1449 
  int slot;
1450 
 
1451 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1452 
    return 0;
1453 
 
1454 
  /* The preprocessing can execute right away.  */
1455 
  cycles = idesc->timing->units[unit_num].done;
1456 
 
1457 
  /* The post processing must wait if there is a dependency on a FR
1458 
     which is not ready yet.  */
1459 
  ps = CPU_PROFILE_STATE (cpu);
1460 
  ps->post_wait = cycles;
1461 
  adjust_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1462 
  adjust_float_register_busy (cpu, -1, 1, in_FRintj, 1, out_FRintk, 1);
1463 
  adjust_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
1464 
  vliw = CPU_VLIW (cpu);
1465 
  slot = vliw->next_slot - 1;
1466 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1467 
  post_wait_for_float (cpu, slot);
1468 
  post_wait_for_FR (cpu, in_FRj);
1469 
  post_wait_for_FR (cpu, in_FRintj);
1470 
  post_wait_for_FRdouble (cpu, in_FRdoublej);
1471 
  post_wait_for_FR (cpu, out_FRk);
1472 
  post_wait_for_FR (cpu, out_FRintk);
1473 
  post_wait_for_FRdouble (cpu, out_FRdoublek);
1474 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1475 
    {
1476 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
1477 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRintk));
1478 
      post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
1479 
    }
1480 
  restore_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1481 
  restore_float_register_busy (cpu, -1, 1, in_FRintj, 1, out_FRintk, 1);
1482 
  restore_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
1483 
 
1484 
  /* The latency of FRk will be at least the latency of the other inputs.  */
1485 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1486 
  update_FR_latency (cpu, out_FRintk, ps->post_wait);
1487 
  update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
1488 
 
1489 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1490 
    {
1491 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
1492 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRintk), ps->post_wait);
1493 
      update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
1494 
    }
1495 
 
1496 
  /* Once initiated, post-processing will take 2 cycles.  */
1497 
  update_FR_ptime (cpu, out_FRk, 2);
1498 
  update_FR_ptime (cpu, out_FRintk, 2);
1499 
  update_FRdouble_ptime (cpu, out_FRdoublek, 2);
1500 
 
1501 
  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
1502 
    {
1503 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 2);
1504 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRintk), 2);
1505 
      update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 2);
1506 
    }
1507 
 
1508 
  /* Mark this use of the register as a floating point op.  */
1509 
  if (out_FRk >= 0)
1510 
    set_use_is_fr_complex_2 (cpu, out_FRk);
1511 
  if (out_FRintk >= 0)
1512 
    set_use_is_fr_complex_2 (cpu, out_FRintk);
1513 
  if (out_FRdoublek >= 0)
1514 
    {
1515 
      set_use_is_fr_complex_2 (cpu, out_FRdoublek);
1516 
      set_use_is_fr_complex_2 (cpu, out_FRdoublek + 1);
1517 
    }
1518 
 
1519 
  /* the media point unit resource has a latency of 4 cycles  */
1520 
  update_media_resource_latency (cpu, slot, cycles + 4);
1521 
 
1522 
  return cycles;
1523 
}
1524 
 
1525 
int
1526 
frvbf_model_fr550_u_spr2gr (SIM_CPU *cpu, const IDESC *idesc,
1527 
                            int unit_num, int referenced,
1528 
                            INT in_spr, INT out_GRj)
1529 
{
1530 
  /* Modelling for this unit is the same as for fr500.  */
1531 
  return frvbf_model_fr500_u_spr2gr (cpu, idesc, unit_num, referenced,
1532 
                                     in_spr, out_GRj);
1533 
}
1534 
 
1535 
int
1536 
frvbf_model_fr550_u_gr2spr (SIM_CPU *cpu, const IDESC *idesc,
1537 
                            int unit_num, int referenced,
1538 
                            INT in_GRj, INT out_spr)
1539 
{
1540 
  int cycles;
1541 
 
1542 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1543 
    {
1544 
      /* The entire VLIW insn must wait if there is a dependency on a register
1545 
         which is not ready yet.  */
1546 
      vliw_wait_for_GR (cpu, in_GRj);
1547 
      vliw_wait_for_SPR (cpu, out_spr);
1548 
      handle_resource_wait (cpu);
1549 
      load_wait_for_GR (cpu, in_GRj);
1550 
      trace_vliw_wait_cycles (cpu);
1551 
      return 0;
1552 
    }
1553 
 
1554 
  cycles = idesc->timing->units[unit_num].done;
1555 
 
1556 
#if 0
1557 
  /* The latency of spr is ? cycles.  */
1558 
  update_SPR_latency (cpu, out_spr, cycles + ?);
1559 
#endif
1560 
 
1561 
  return cycles;
1562 
}
1563 
 
1564 
int
1565 
frvbf_model_fr550_u_gr2fr (SIM_CPU *cpu, const IDESC *idesc,
1566 
                           int unit_num, int referenced,
1567 
                           INT in_GRj, INT out_FRk)
1568 
{
1569 
  int cycles;
1570 
 
1571 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1572 
    {
1573 
      /* The entire VLIW insn must wait if there is a dependency on a register
1574 
         which is not ready yet.
1575 
         The latency of the registers may be less than previously recorded,
1576 
         depending on how they were used previously.
1577 
         See Table 14-15 in the LSI.  */
1578 
      adjust_float_register_busy (cpu, -1, 1, -1, 1, out_FRk, 1);
1579 
      vliw_wait_for_GR (cpu, in_GRj);
1580 
      vliw_wait_for_FR (cpu, out_FRk);
1581 
      handle_resource_wait (cpu);
1582 
      load_wait_for_GR (cpu, in_GRj);
1583 
      load_wait_for_FR (cpu, out_FRk);
1584 
      trace_vliw_wait_cycles (cpu);
1585 
      return 0;
1586 
    }
1587 
 
1588 
  /* The latency of FRk is 1 cycles.  */
1589 
  cycles = idesc->timing->units[unit_num].done;
1590 
  update_FR_latency (cpu, out_FRk, cycles + 1);
1591 
 
1592 
  set_use_is_fr_complex_1 (cpu, out_FRk);
1593 
 
1594 
  return cycles;
1595 
}
1596 
 
1597 
int
1598 
frvbf_model_fr550_u_swap (SIM_CPU *cpu, const IDESC *idesc,
1599 
                          int unit_num, int referenced,
1600 
                          INT in_GRi, INT in_GRj, INT out_GRk)
1601 
{
1602 
  int cycles;
1603 
 
1604 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1605 
    {
1606 
      /* The entire VLIW insn must wait if there is a dependency on a register
1607 
         which is not ready yet.  */
1608 
      vliw_wait_for_GR (cpu, in_GRi);
1609 
      vliw_wait_for_GR (cpu, in_GRj);
1610 
      vliw_wait_for_GR (cpu, out_GRk);
1611 
      handle_resource_wait (cpu);
1612 
      load_wait_for_GR (cpu, in_GRi);
1613 
      load_wait_for_GR (cpu, in_GRj);
1614 
      load_wait_for_GR (cpu, out_GRk);
1615 
      trace_vliw_wait_cycles (cpu);
1616 
      return 0;
1617 
    }
1618 
 
1619 
  cycles = idesc->timing->units[unit_num].done;
1620 
 
1621 
  /* The latency of GRk will depend on how long it takes to swap
1622 
     the the data from the cache or memory.  */
1623 
  update_GR_latency_for_swap (cpu, out_GRk, cycles);
1624 
 
1625 
  return cycles;
1626 
}
1627 
 
1628 
int
1629 
frvbf_model_fr550_u_fr2fr (SIM_CPU *cpu, const IDESC *idesc,
1630 
                           int unit_num, int referenced,
1631 
                           INT in_FRj, INT out_FRk)
1632 
{
1633 
  int cycles;
1634 
 
1635 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1636 
    {
1637 
      /* The entire VLIW insn must wait if there is a dependency on a register
1638 
         which is not ready yet.
1639 
         The latency of the registers may be less than previously recorded,
1640 
         depending on how they were used previously.
1641 
         See Table 14-15 in the LSI.  */
1642 
      adjust_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1643 
      vliw_wait_for_FR (cpu, in_FRj);
1644 
      vliw_wait_for_FR (cpu, out_FRk);
1645 
      handle_resource_wait (cpu);
1646 
      load_wait_for_FR (cpu, in_FRj);
1647 
      load_wait_for_FR (cpu, out_FRk);
1648 
      trace_vliw_wait_cycles (cpu);
1649 
      return 0;
1650 
    }
1651 
 
1652 
  /* The latency of FRj is 2 cycles.  */
1653 
  cycles = idesc->timing->units[unit_num].done;
1654 
  update_FR_latency (cpu, out_FRk, cycles + 2);
1655 
 
1656 
  set_use_is_fr_complex_2 (cpu, out_FRk);
1657 
 
1658 
  return cycles;
1659 
}
1660 
 
1661 
int
1662 
frvbf_model_fr550_u_fr2gr (SIM_CPU *cpu, const IDESC *idesc,
1663 
                           int unit_num, int referenced,
1664 
                           INT in_FRk, INT out_GRj)
1665 
{
1666 
  int cycles;
1667 
 
1668 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1669 
    {
1670 
      /* The entire VLIW insn must wait if there is a dependency on a register
1671 
         which is not ready yet.
1672 
         The latency of the registers may be less than previously recorded,
1673 
         depending on how they were used previously.
1674 
         See Table 14-15 in the LSI.  */
1675 
      adjust_float_register_busy (cpu, in_FRk, 1, -1, 1, -1, 1);
1676 
      vliw_wait_for_FR (cpu, in_FRk);
1677 
      vliw_wait_for_GR (cpu, out_GRj);
1678 
      handle_resource_wait (cpu);
1679 
      load_wait_for_FR (cpu, in_FRk);
1680 
      load_wait_for_GR (cpu, out_GRj);
1681 
      trace_vliw_wait_cycles (cpu);
1682 
      return 0;
1683 
    }
1684 
 
1685 
  /* The latency of GRj is 1 cycle.  */
1686 
  cycles = idesc->timing->units[unit_num].done;
1687 
  update_GR_latency (cpu, out_GRj, cycles + 1);
1688 
 
1689 
  return cycles;
1690 
}
1691 
 
1692 
int
1693 
frvbf_model_fr550_u_clrgr (SIM_CPU *cpu, const IDESC *idesc,
1694 
                           int unit_num, int referenced,
1695 
                           INT in_GRk)
1696 
{
1697 
  /* Modelling for this unit is the same as for fr500.  */
1698 
  return frvbf_model_fr500_u_clrgr (cpu, idesc, unit_num, referenced, in_GRk);
1699 
}
1700 
 
1701 
int
1702 
frvbf_model_fr550_u_clrfr (SIM_CPU *cpu, const IDESC *idesc,
1703 
                           int unit_num, int referenced,
1704 
                           INT in_FRk)
1705 
{
1706 
  /* Modelling for this unit is the same as for fr500.  */
1707 
  return frvbf_model_fr500_u_clrfr (cpu, idesc, unit_num, referenced, in_FRk);
1708 
}
1709 
 
1710 
int
1711 
frvbf_model_fr550_u_commit (SIM_CPU *cpu, const IDESC *idesc,
1712 
                            int unit_num, int referenced,
1713 
                            INT in_GRk, INT in_FRk)
1714 
{
1715 
  /* Modelling for this unit is the same as for fr500.  */
1716 
  return frvbf_model_fr500_u_commit (cpu, idesc, unit_num, referenced,
1717 
                                     in_GRk, in_FRk);
1718 
}
1719 
 
1720 
int
1721 
frvbf_model_fr550_u_media (SIM_CPU *cpu, const IDESC *idesc,
1722 
                           int unit_num, int referenced,
1723 
                           INT in_FRi, INT in_FRj, INT out_FRk)
1724 
{
1725 
  int cycles;
1726 
  FRV_PROFILE_STATE *ps;
1727 
  FRV_VLIW *vliw;
1728 
  int slot;
1729 
 
1730 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1731 
    return 0;
1732 
 
1733 
  /* The preprocessing can execute right away.  */
1734 
  cycles = idesc->timing->units[unit_num].done;
1735 
 
1736 
  /* If the previous use of the registers was a media op,
1737 
     then their latency may be less than previously recorded.
1738 
     See Table 14-15 in the LSI.  */
1739 
  adjust_float_register_busy_for_media (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
1740 
 
1741 
  /* The post processing must wait if there is a dependency on a FR
1742 
     which is not ready yet.  */
1743 
  ps = CPU_PROFILE_STATE (cpu);
1744 
  ps->post_wait = cycles;
1745 
  vliw = CPU_VLIW (cpu);
1746 
  slot = vliw->next_slot - 1;
1747 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1748 
  post_wait_for_media (cpu, slot);
1749 
  post_wait_for_FR (cpu, in_FRi);
1750 
  post_wait_for_FR (cpu, in_FRj);
1751 
  post_wait_for_FR (cpu, out_FRk);
1752 
 
1753 
  /* Restore the busy cycles of the registers we used.  */
1754 
  restore_float_register_busy_for_media (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
1755 
 
1756 
  /* The latency of tht output register will be at least the latency of the
1757 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
1758 
  if (out_FRk >= 0)
1759 
    {
1760 
      update_FR_latency (cpu, out_FRk, ps->post_wait);
1761 
      update_FR_ptime (cpu, out_FRk, 1);
1762 
      /* Mark this use of the register as a media op.  */
1763 
      set_use_is_fr_complex_1 (cpu, out_FRk);
1764 
    }
1765 
 
1766 
  /* the floating point unit resource has a latency of 3 cycles  */
1767 
  update_float_resource_latency (cpu, slot, cycles + 3);
1768 
 
1769 
  return cycles;
1770 
}
1771 
 
1772 
int
1773 
frvbf_model_fr550_u_media_quad (SIM_CPU *cpu, const IDESC *idesc,
1774 
                                int unit_num, int referenced,
1775 
                                INT in_FRi, INT in_FRj,
1776 
                                INT out_FRk)
1777 
{
1778 
  int cycles;
1779 
  INT dual_FRi;
1780 
  INT dual_FRj;
1781 
  INT dual_FRk;
1782 
  FRV_PROFILE_STATE *ps;
1783 
  FRV_VLIW *vliw;
1784 
  int slot;
1785 
 
1786 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1787 
    return 0;
1788 
 
1789 
  /* The preprocessing can execute right away.  */
1790 
  cycles = idesc->timing->units[unit_num].done;
1791 
 
1792 
  dual_FRi = DUAL_REG (in_FRi);
1793 
  dual_FRj = DUAL_REG (in_FRj);
1794 
  dual_FRk = DUAL_REG (out_FRk);
1795 
 
1796 
  /* The latency of the registers may be less than previously recorded,
1797 
     depending on how they were used previously.
1798 
     See Table 14-15 in the LSI.  */
1799 
  adjust_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
1800 
 
1801 
  /* The post processing must wait if there is a dependency on a FR
1802 
     which is not ready yet.  */
1803 
  ps = CPU_PROFILE_STATE (cpu);
1804 
  ps->post_wait = cycles;
1805 
  vliw = CPU_VLIW (cpu);
1806 
  slot = vliw->next_slot - 1;
1807 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1808 
  post_wait_for_media (cpu, slot);
1809 
  post_wait_for_FR (cpu, in_FRi);
1810 
  post_wait_for_FR (cpu, dual_FRi);
1811 
  post_wait_for_FR (cpu, in_FRj);
1812 
  post_wait_for_FR (cpu, dual_FRj);
1813 
  post_wait_for_FR (cpu, out_FRk);
1814 
  post_wait_for_FR (cpu, dual_FRk);
1815 
 
1816 
  /* Restore the busy cycles of the registers we used.  */
1817 
  restore_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
1818 
 
1819 
  /* The latency of the output register will be at least the latency of the
1820 
     other inputs.  Once initiated, post-processing take 1 cycle.  */
1821 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1822 
  update_FR_ptime (cpu, out_FRk, 1);
1823 
  set_use_is_fr_complex_1 (cpu, out_FRk);
1824 
 
1825 
  if (dual_FRk >= 0)
1826 
    {
1827 
      update_FR_latency (cpu, dual_FRk, ps->post_wait);
1828 
      update_FR_ptime (cpu, dual_FRk, 1);
1829 
      set_use_is_fr_complex_1 (cpu, dual_FRk);
1830 
    }
1831 
 
1832 
  /* the floating point unit resource has a latency of 3 cycles  */
1833 
  update_float_resource_latency (cpu, slot, cycles + 3);
1834 
 
1835 
  return cycles;
1836 
}
1837 
 
1838 
int
1839 
frvbf_model_fr550_u_media_dual_expand (SIM_CPU *cpu, const IDESC *idesc,
1840 
                                       int unit_num, int referenced,
1841 
                                       INT in_FRi, INT out_FRk)
1842 
{
1843 
  int cycles;
1844 
  INT dual_FRk;
1845 
  FRV_PROFILE_STATE *ps;
1846 
  FRV_VLIW *vliw;
1847 
  int slot;
1848 
 
1849 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1850 
    return 0;
1851 
 
1852 
  /* The preprocessing can execute right away.  */
1853 
  cycles = idesc->timing->units[unit_num].done;
1854 
 
1855 
  /* If the previous use of the registers was a media op,
1856 
     then their latency will be less than previously recorded.
1857 
     See Table 14-15 in the LSI.  */
1858 
  dual_FRk = DUAL_REG (out_FRk);
1859 
  adjust_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, out_FRk, 2);
1860 
 
1861 
  /* The post processing must wait if there is a dependency on a FR
1862 
     which is not ready yet.  */
1863 
  ps = CPU_PROFILE_STATE (cpu);
1864 
  ps->post_wait = cycles;
1865 
  vliw = CPU_VLIW (cpu);
1866 
  slot = vliw->next_slot - 1;
1867 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1868 
  post_wait_for_media (cpu, slot);
1869 
  post_wait_for_FR (cpu, in_FRi);
1870 
  post_wait_for_FR (cpu, out_FRk);
1871 
  post_wait_for_FR (cpu, dual_FRk);
1872 
 
1873 
  /* Restore the busy cycles of the registers we used.  */
1874 
  restore_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, out_FRk, 2);
1875 
 
1876 
  /* The latency of the output register will be at least the latency of the
1877 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
1878 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1879 
  update_FR_ptime (cpu, out_FRk, 1);
1880 
  set_use_is_fr_complex_1 (cpu, out_FRk);
1881 
 
1882 
  if (dual_FRk >= 0)
1883 
    {
1884 
      update_FR_latency (cpu, dual_FRk, ps->post_wait);
1885 
      update_FR_ptime (cpu, dual_FRk, 1);
1886 
      set_use_is_fr_complex_1 (cpu, dual_FRk);
1887 
    }
1888 
 
1889 
  /* the floating point unit resource has a latency of 3 cycles  */
1890 
  update_float_resource_latency (cpu, slot, cycles + 3);
1891 
 
1892 
  return cycles;
1893 
}
1894 
 
1895 
int
1896 
frvbf_model_fr550_u_media_3_dual (SIM_CPU *cpu, const IDESC *idesc,
1897 
                                  int unit_num, int referenced,
1898 
                                  INT in_FRi, INT out_FRk)
1899 
{
1900 
  int cycles;
1901 
  INT dual_FRi;
1902 
  FRV_PROFILE_STATE *ps;
1903 
  FRV_VLIW *vliw;
1904 
  int slot;
1905 
 
1906 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1907 
    return 0;
1908 
 
1909 
  /* The preprocessing can execute right away.  */
1910 
  cycles = idesc->timing->units[unit_num].done;
1911 
 
1912 
  dual_FRi = DUAL_REG (in_FRi);
1913 
 
1914 
  /* The latency of the registers may be less than previously recorded,
1915 
     depending on how they were used previously.
1916 
     See Table 14-15 in the LSI.  */
1917 
  adjust_float_register_busy_for_media (cpu, in_FRi, 2, -1, 1, out_FRk, 1);
1918 
 
1919 
  /* The post processing must wait if there is a dependency on a FR
1920 
     which is not ready yet.  */
1921 
  ps = CPU_PROFILE_STATE (cpu);
1922 
  ps->post_wait = cycles;
1923 
  vliw = CPU_VLIW (cpu);
1924 
  slot = vliw->next_slot - 1;
1925 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1926 
  post_wait_for_media (cpu, slot);
1927 
  post_wait_for_FR (cpu, in_FRi);
1928 
  post_wait_for_FR (cpu, dual_FRi);
1929 
  post_wait_for_FR (cpu, out_FRk);
1930 
 
1931 
  /* Restore the busy cycles of the registers we used.  */
1932 
  restore_float_register_busy_for_media (cpu, in_FRi, 2, -1, 1, out_FRk, 1);
1933 
 
1934 
  /* The latency of the output register will be at least the latency of the
1935 
     other inputs.  Once initiated, post-processing takes 1 cycle.  */
1936 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1937 
  update_FR_ptime (cpu, out_FRk, 1);
1938 
 
1939 
  set_use_is_fr_complex_1 (cpu, out_FRk);
1940 
 
1941 
  /* the floating point unit resource has a latency of 3 cycles  */
1942 
  update_float_resource_latency (cpu, slot, cycles + 3);
1943 
 
1944 
  return cycles;
1945 
}
1946 
 
1947 
int
1948 
frvbf_model_fr550_u_media_3_acc (SIM_CPU *cpu, const IDESC *idesc,
1949 
                                 int unit_num, int referenced,
1950 
                                 INT in_FRj, INT in_ACC40Si,
1951 
                                 INT out_FRk)
1952 
{
1953 
  int cycles;
1954 
  FRV_PROFILE_STATE *ps;
1955 
  FRV_VLIW *vliw;
1956 
  int slot;
1957 
 
1958 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
1959 
    return 0;
1960 
 
1961 
  /* The preprocessing can execute right away.  */
1962 
  cycles = idesc->timing->units[unit_num].done;
1963 
 
1964 
  /* If the previous use of the registers was a media op,
1965 
     then their latency will be less than previously recorded.
1966 
     See Table 14-15 in the LSI.  */
1967 
  adjust_float_register_busy_for_media (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1968 
 
1969 
  /* The post processing must wait if there is a dependency on a FR
1970 
     which is not ready yet.  */
1971 
  ps = CPU_PROFILE_STATE (cpu);
1972 
  ps->post_wait = cycles;
1973 
  vliw = CPU_VLIW (cpu);
1974 
  slot = vliw->next_slot - 1;
1975 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
1976 
  post_wait_for_media (cpu, slot);
1977 
  post_wait_for_FR (cpu, in_FRj);
1978 
  post_wait_for_FR (cpu, out_FRk);
1979 
  post_wait_for_ACC (cpu, in_ACC40Si);
1980 
 
1981 
  /* Restore the busy cycles of the registers we used.  */
1982 
  restore_float_register_busy_for_media (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
1983 
 
1984 
  /* The latency of tht output register will be at least the latency of the
1985 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
1986 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
1987 
  update_FR_ptime (cpu, out_FRk, 1);
1988 
 
1989 
  set_use_is_fr_complex_1 (cpu, out_FRk);
1990 
 
1991 
  /* the floating point unit resource has a latency of 3 cycles  */
1992 
  update_float_resource_latency (cpu, slot, cycles + 3);
1993 
 
1994 
  return cycles;
1995 
}
1996 
 
1997 
int
1998 
frvbf_model_fr550_u_media_3_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
1999 
                                      int unit_num, int referenced,
2000 
                                      INT in_ACC40Si, INT out_FRk)
2001 
{
2002 
  int cycles;
2003 
  FRV_PROFILE_STATE *ps;
2004 
  INT ACC40Si_1;
2005 
  INT dual_FRk;
2006 
  FRV_VLIW *vliw;
2007 
  int slot;
2008 
 
2009 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2010 
    return 0;
2011 
 
2012 
  /* The preprocessing can execute right away.  */
2013 
  cycles = idesc->timing->units[unit_num].done;
2014 
 
2015 
  ACC40Si_1 = DUAL_REG (in_ACC40Si);
2016 
  dual_FRk = DUAL_REG (out_FRk);
2017 
 
2018 
  /* If the previous use of the registers was a media op,
2019 
     then their latency will be less than previously recorded.
2020 
     See Table 14-15 in the LSI.  */
2021 
  adjust_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 2);
2022 
 
2023 
  /* The post processing must wait if there is a dependency on a FR
2024 
     which is not ready yet.  */
2025 
  ps = CPU_PROFILE_STATE (cpu);
2026 
  ps->post_wait = cycles;
2027 
  vliw = CPU_VLIW (cpu);
2028 
  slot = vliw->next_slot - 1;
2029 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2030 
  post_wait_for_media (cpu, slot);
2031 
  post_wait_for_ACC (cpu, in_ACC40Si);
2032 
  post_wait_for_ACC (cpu, ACC40Si_1);
2033 
  post_wait_for_FR (cpu, out_FRk);
2034 
  post_wait_for_FR (cpu, dual_FRk);
2035 
 
2036 
  /* Restore the busy cycles of the registers we used.  */
2037 
  restore_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 2);
2038 
 
2039 
  /* The latency of the output register will be at least the latency of the
2040 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2041 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
2042 
  update_FR_ptime (cpu, out_FRk, 1);
2043 
  set_use_is_fr_complex_1 (cpu, out_FRk);
2044 
  if (dual_FRk >= 0)
2045 
    {
2046 
      update_FR_latency (cpu, dual_FRk, ps->post_wait);
2047 
      update_FR_ptime (cpu, dual_FRk, 1);
2048 
      set_use_is_fr_complex_1 (cpu, dual_FRk);
2049 
    }
2050 
 
2051 
  /* the floating point unit resource has a latency of 3 cycles  */
2052 
  update_float_resource_latency (cpu, slot, cycles + 3);
2053 
 
2054 
  return cycles;
2055 
}
2056 
 
2057 
int
2058 
frvbf_model_fr550_u_media_3_wtacc (SIM_CPU *cpu, const IDESC *idesc,
2059 
                                   int unit_num, int referenced,
2060 
                                   INT in_FRi, INT out_ACC40Sk)
2061 
{
2062 
  int cycles;
2063 
  FRV_PROFILE_STATE *ps;
2064 
  FRV_VLIW *vliw;
2065 
  int slot;
2066 
 
2067 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2068 
    return 0;
2069 
 
2070 
  /* The preprocessing can execute right away.  */
2071 
  cycles = idesc->timing->units[unit_num].done;
2072 
 
2073 
  ps = CPU_PROFILE_STATE (cpu);
2074 
 
2075 
  /* The latency of the registers may be less than previously recorded,
2076 
     depending on how they were used previously.
2077 
     See Table 14-15 in the LSI.  */
2078 
  adjust_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, -1, 1);
2079 
 
2080 
  /* The post processing must wait if there is a dependency on a FR
2081 
     which is not ready yet.  */
2082 
  ps->post_wait = cycles;
2083 
  vliw = CPU_VLIW (cpu);
2084 
  slot = vliw->next_slot - 1;
2085 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2086 
  post_wait_for_media (cpu, slot);
2087 
  post_wait_for_FR (cpu, in_FRi);
2088 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2089 
 
2090 
  /* Restore the busy cycles of the registers we used.  */
2091 
  restore_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, -1, 1);
2092 
 
2093 
  /* The latency of the output register will be at least the latency of the
2094 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2095 
  update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait);
2096 
  update_ACC_ptime (cpu, out_ACC40Sk, 1);
2097 
  set_use_is_acc_mmac (cpu, out_ACC40Sk);
2098 
 
2099 
  /* the floating point unit resource has a latency of 3 cycles  */
2100 
  update_float_resource_latency (cpu, slot, cycles + 3);
2101 
 
2102 
  return cycles;
2103 
}
2104 
 
2105 
int
2106 
frvbf_model_fr550_u_media_3_mclracc (SIM_CPU *cpu, const IDESC *idesc,
2107 
                                     int unit_num, int referenced)
2108 
{
2109 
  int cycles;
2110 
  FRV_PROFILE_STATE *ps;
2111 
  FRV_VLIW *vliw;
2112 
  int slot;
2113 
  int i;
2114 
 
2115 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2116 
    return 0;
2117 
 
2118 
  /* The preprocessing can execute right away.  */
2119 
  cycles = idesc->timing->units[unit_num].done;
2120 
 
2121 
  ps = CPU_PROFILE_STATE (cpu);
2122 
 
2123 
  /* The post processing must wait if there is a dependency on a FR
2124 
     which is not ready yet.  */
2125 
  ps->post_wait = cycles;
2126 
  vliw = CPU_VLIW (cpu);
2127 
  slot = vliw->next_slot - 1;
2128 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2129 
  post_wait_for_media (cpu, slot);
2130 
 
2131 
  /* If A was 1 and the accumulator was ACC0, then we must check all
2132 
     accumulators. Otherwise just wait for the specified accumulator.  */
2133 
  if (ps->mclracc_A && ps->mclracc_acc == 0)
2134 
    {
2135 
      for (i = 0; i < 8; ++i)
2136 
        post_wait_for_ACC (cpu, i);
2137 
    }
2138 
  else
2139 
    post_wait_for_ACC (cpu, ps->mclracc_acc);
2140 
 
2141 
  /* The latency of the output registers will be at least the latency of the
2142 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2143 
  if (ps->mclracc_A && ps->mclracc_acc == 0)
2144 
    {
2145 
      for (i = 0; i < 8; ++i)
2146 
        {
2147 
          update_ACC_latency (cpu, i, ps->post_wait);
2148 
          update_ACC_ptime (cpu, i, 1);
2149 
          set_use_is_acc_mmac (cpu, i);
2150 
        }
2151 
    }
2152 
  else
2153 
    {
2154 
      update_ACC_latency (cpu, ps->mclracc_acc, ps->post_wait);
2155 
      update_ACC_ptime (cpu, ps->mclracc_acc, 1);
2156 
      set_use_is_acc_mmac (cpu, ps->mclracc_acc);
2157 
    }
2158 
 
2159 
  /* the floating point unit resource has a latency of 3 cycles  */
2160 
  update_float_resource_latency (cpu, slot, cycles + 3);
2161 
 
2162 
  return cycles;
2163 
}
2164 
 
2165 
int
2166 
frvbf_model_fr550_u_media_set (SIM_CPU *cpu, const IDESC *idesc,
2167 
                               int unit_num, int referenced,
2168 
                               INT out_FRk)
2169 
{
2170 
  int cycles;
2171 
  FRV_PROFILE_STATE *ps;
2172 
  FRV_VLIW *vliw;
2173 
  int slot;
2174 
 
2175 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2176 
    return 0;
2177 
 
2178 
  /* The preprocessing can execute right away.  */
2179 
  cycles = idesc->timing->units[unit_num].done;
2180 
 
2181 
  /* If the previous use of the registers was a media op,
2182 
     then their latency will be less than previously recorded.
2183 
     See Table 14-15 in the LSI.  */
2184 
  adjust_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 1);
2185 
 
2186 
  /* The post processing must wait if there is a dependency on a FR
2187 
     which is not ready yet.  */
2188 
  ps = CPU_PROFILE_STATE (cpu);
2189 
  ps->post_wait = cycles;
2190 
  vliw = CPU_VLIW (cpu);
2191 
  slot = vliw->next_slot - 1;
2192 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2193 
  post_wait_for_media (cpu, slot);
2194 
  post_wait_for_FR (cpu, out_FRk);
2195 
 
2196 
  /* Restore the busy cycles of the registers we used.  */
2197 
  restore_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 1);
2198 
 
2199 
  /* The latency of the output register will be at least the latency of the
2200 
     other inputs.  Once initiated, post-processing takes 1 cycle.  */
2201 
  update_FR_latency (cpu, out_FRk, ps->post_wait);
2202 
  update_FR_ptime (cpu, out_FRk, 1);
2203 
  fr550_reset_acc_flags (cpu, out_FRk);
2204 
 
2205 
  /* the floating point unit resource has a latency of 3 cycles  */
2206 
  update_float_resource_latency (cpu, slot, cycles + 3);
2207 
 
2208 
  return cycles;
2209 
}
2210 
 
2211 
int
2212 
frvbf_model_fr550_u_media_4 (SIM_CPU *cpu, const IDESC *idesc,
2213 
                             int unit_num, int referenced,
2214 
                             INT in_FRi, INT in_FRj,
2215 
                             INT out_ACC40Sk, INT out_ACC40Uk)
2216 
{
2217 
  int cycles;
2218 
  INT dual_ACC40Sk;
2219 
  INT dual_ACC40Uk;
2220 
  FRV_PROFILE_STATE *ps;
2221 
  FRV_VLIW *vliw;
2222 
  int slot;
2223 
 
2224 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2225 
    return 0;
2226 
 
2227 
  /* The preprocessing can execute right away.  */
2228 
  cycles = idesc->timing->units[unit_num].done;
2229 
 
2230 
  ps = CPU_PROFILE_STATE (cpu);
2231 
  dual_ACC40Sk = DUAL_REG (out_ACC40Sk);
2232 
  dual_ACC40Uk = DUAL_REG (out_ACC40Uk);
2233 
 
2234 
  /* The latency of the registers may be less than previously recorded,
2235 
     depending on how they were used previously.
2236 
     See Table 14-15 in the LSI.  */
2237 
  adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 2);
2238 
  adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 2);
2239 
 
2240 
  /* The post processing must wait if there is a dependency on a FR
2241 
     which is not ready yet.  */
2242 
  ps->post_wait = cycles;
2243 
  vliw = CPU_VLIW (cpu);
2244 
  slot = vliw->next_slot - 1;
2245 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2246 
  post_wait_for_media (cpu, slot);
2247 
  post_wait_for_FR (cpu, in_FRi);
2248 
  post_wait_for_FR (cpu, in_FRj);
2249 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2250 
  post_wait_for_ACC (cpu, dual_ACC40Sk);
2251 
  post_wait_for_ACC (cpu, out_ACC40Uk);
2252 
  post_wait_for_ACC (cpu, dual_ACC40Uk);
2253 
 
2254 
  /* Restore the busy cycles of the registers we used.  */
2255 
  restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 2);
2256 
  restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 2);
2257 
 
2258 
  /* The latency of the output register will be at least the latency of the
2259 
     other inputs.  Once initiated, post-processing will take 1 cycles.  */
2260 
  if (out_ACC40Sk >= 0)
2261 
    {
2262 
      update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
2263 
      set_use_is_acc_mmac (cpu, out_ACC40Sk);
2264 
    }
2265 
  if (dual_ACC40Sk >= 0)
2266 
    {
2267 
      update_ACC_latency (cpu, dual_ACC40Sk, ps->post_wait + 1);
2268 
      set_use_is_acc_mmac (cpu, dual_ACC40Sk);
2269 
    }
2270 
  if (out_ACC40Uk >= 0)
2271 
    {
2272 
      update_ACC_latency (cpu, out_ACC40Uk, ps->post_wait + 1);
2273 
      set_use_is_acc_mmac (cpu, out_ACC40Uk);
2274 
    }
2275 
  if (dual_ACC40Uk >= 0)
2276 
    {
2277 
      update_ACC_latency (cpu, dual_ACC40Uk, ps->post_wait + 1);
2278 
      set_use_is_acc_mmac (cpu, dual_ACC40Uk);
2279 
    }
2280 
 
2281 
  /* the floating point unit resource has a latency of 3 cycles  */
2282 
  update_float_resource_latency (cpu, slot, cycles + 3);
2283 
 
2284 
  return cycles;
2285 
}
2286 
 
2287 
int
2288 
frvbf_model_fr550_u_media_4_acc (SIM_CPU *cpu, const IDESC *idesc,
2289 
                                 int unit_num, int referenced,
2290 
                                 INT in_ACC40Si, INT out_ACC40Sk)
2291 
{
2292 
  int cycles;
2293 
  INT ACC40Si_1;
2294 
  FRV_PROFILE_STATE *ps;
2295 
  FRV_VLIW *vliw;
2296 
  int slot;
2297 
 
2298 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2299 
    return 0;
2300 
 
2301 
  /* The preprocessing can execute right away.  */
2302 
  cycles = idesc->timing->units[unit_num].done;
2303 
 
2304 
  ACC40Si_1 = DUAL_REG (in_ACC40Si);
2305 
 
2306 
  ps = CPU_PROFILE_STATE (cpu);
2307 
  /* The latency of the registers may be less than previously recorded,
2308 
     depending on how they were used previously.
2309 
     See Table 14-15 in the LSI.  */
2310 
  adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 1);
2311 
 
2312 
  /* The post processing must wait if there is a dependency on a register
2313 
     which is not ready yet.  */
2314 
  ps->post_wait = cycles;
2315 
  vliw = CPU_VLIW (cpu);
2316 
  slot = vliw->next_slot - 1;
2317 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2318 
  post_wait_for_media (cpu, slot);
2319 
  post_wait_for_ACC (cpu, in_ACC40Si);
2320 
  post_wait_for_ACC (cpu, ACC40Si_1);
2321 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2322 
 
2323 
  /* Restore the busy cycles of the registers we used.  */
2324 
  restore_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 1);
2325 
 
2326 
  /* The latency of the output register will be at least the latency of the
2327 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2328 
  update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
2329 
  set_use_is_acc_mmac (cpu, out_ACC40Sk);
2330 
 
2331 
  /* the floating point unit resource has a latency of 3 cycles  */
2332 
  update_float_resource_latency (cpu, slot, cycles + 3);
2333 
 
2334 
  return cycles;
2335 
}
2336 
 
2337 
int
2338 
frvbf_model_fr550_u_media_4_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
2339 
                                      int unit_num, int referenced,
2340 
                                      INT in_ACC40Si, INT out_ACC40Sk)
2341 
{
2342 
  int cycles;
2343 
  INT ACC40Si_1;
2344 
  INT ACC40Si_2;
2345 
  INT ACC40Si_3;
2346 
  INT ACC40Sk_1;
2347 
  FRV_PROFILE_STATE *ps;
2348 
  FRV_VLIW *vliw;
2349 
  int slot;
2350 
 
2351 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2352 
    return 0;
2353 
 
2354 
  /* The preprocessing can execute right away.  */
2355 
  cycles = idesc->timing->units[unit_num].done;
2356 
 
2357 
  ACC40Si_1 = DUAL_REG (in_ACC40Si);
2358 
  ACC40Si_2 = DUAL_REG (ACC40Si_1);
2359 
  ACC40Si_3 = DUAL_REG (ACC40Si_2);
2360 
  ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
2361 
 
2362 
  ps = CPU_PROFILE_STATE (cpu);
2363 
  /* The latency of the registers may be less than previously recorded,
2364 
     depending on how they were used previously.
2365 
     See Table 14-15 in the LSI.  */
2366 
  adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 2);
2367 
 
2368 
  /* The post processing must wait if there is a dependency on a register
2369 
     which is not ready yet.  */
2370 
  ps->post_wait = cycles;
2371 
  vliw = CPU_VLIW (cpu);
2372 
  slot = vliw->next_slot - 1;
2373 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2374 
  post_wait_for_media (cpu, slot);
2375 
  post_wait_for_ACC (cpu, in_ACC40Si);
2376 
  post_wait_for_ACC (cpu, ACC40Si_1);
2377 
  post_wait_for_ACC (cpu, ACC40Si_2);
2378 
  post_wait_for_ACC (cpu, ACC40Si_3);
2379 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2380 
  post_wait_for_ACC (cpu, ACC40Sk_1);
2381 
 
2382 
  /* Restore the busy cycles of the registers we used.  */
2383 
  restore_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 2);
2384 
 
2385 
  /* The latency of the output register will be at least the latency of the
2386 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2387 
  update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
2388 
  set_use_is_acc_mmac (cpu, out_ACC40Sk);
2389 
  if (ACC40Sk_1 >= 0)
2390 
    {
2391 
      update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
2392 
      set_use_is_acc_mmac (cpu, ACC40Sk_1);
2393 
    }
2394 
 
2395 
  /* the floating point unit resource has a latency of 3 cycles  */
2396 
  update_float_resource_latency (cpu, slot, cycles + 3);
2397 
 
2398 
  return cycles;
2399 
}
2400 
 
2401 
int
2402 
frvbf_model_fr550_u_media_4_add_sub (SIM_CPU *cpu, const IDESC *idesc,
2403 
                                     int unit_num, int referenced,
2404 
                                     INT in_ACC40Si, INT out_ACC40Sk)
2405 
{
2406 
  int cycles;
2407 
  INT ACC40Si_1;
2408 
  INT ACC40Sk_1;
2409 
  FRV_PROFILE_STATE *ps;
2410 
  FRV_VLIW *vliw;
2411 
  int slot;
2412 
 
2413 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2414 
    return 0;
2415 
 
2416 
  /* The preprocessing can execute right away.  */
2417 
  cycles = idesc->timing->units[unit_num].done;
2418 
 
2419 
  ACC40Si_1 = DUAL_REG (in_ACC40Si);
2420 
  ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
2421 
 
2422 
  ps = CPU_PROFILE_STATE (cpu);
2423 
  /* The latency of the registers may be less than previously recorded,
2424 
     depending on how they were used previously.
2425 
     See Table 14-15 in the LSI.  */
2426 
  adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 2);
2427 
 
2428 
  /* The post processing must wait if there is a dependency on a register
2429 
     which is not ready yet.  */
2430 
  ps->post_wait = cycles;
2431 
  vliw = CPU_VLIW (cpu);
2432 
  slot = vliw->next_slot - 1;
2433 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2434 
  post_wait_for_media (cpu, slot);
2435 
  post_wait_for_ACC (cpu, in_ACC40Si);
2436 
  post_wait_for_ACC (cpu, ACC40Si_1);
2437 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2438 
  post_wait_for_ACC (cpu, ACC40Sk_1);
2439 
 
2440 
  /* Restore the busy cycles of the registers we used.  */
2441 
  restore_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 2);
2442 
 
2443 
  /* The latency of the output register will be at least the latency of the
2444 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2445 
  update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
2446 
  set_use_is_acc_mmac (cpu, out_ACC40Sk);
2447 
  if (ACC40Sk_1 >= 0)
2448 
    {
2449 
      update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
2450 
      set_use_is_acc_mmac (cpu, ACC40Sk_1);
2451 
    }
2452 
 
2453 
  /* the floating point unit resource has a latency of 3 cycles  */
2454 
  update_float_resource_latency (cpu, slot, cycles + 3);
2455 
 
2456 
  return cycles;
2457 
}
2458 
 
2459 
int
2460 
frvbf_model_fr550_u_media_4_add_sub_dual (SIM_CPU *cpu, const IDESC *idesc,
2461 
                                          int unit_num, int referenced,
2462 
                                          INT in_ACC40Si, INT out_ACC40Sk)
2463 
{
2464 
  int cycles;
2465 
  INT ACC40Si_1;
2466 
  INT ACC40Si_2;
2467 
  INT ACC40Si_3;
2468 
  INT ACC40Sk_1;
2469 
  INT ACC40Sk_2;
2470 
  INT ACC40Sk_3;
2471 
  FRV_PROFILE_STATE *ps;
2472 
  FRV_VLIW *vliw;
2473 
  int slot;
2474 
 
2475 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2476 
    return 0;
2477 
 
2478 
  /* The preprocessing can execute right away.  */
2479 
  cycles = idesc->timing->units[unit_num].done;
2480 
 
2481 
  ACC40Si_1 = DUAL_REG (in_ACC40Si);
2482 
  ACC40Si_2 = DUAL_REG (ACC40Si_1);
2483 
  ACC40Si_3 = DUAL_REG (ACC40Si_2);
2484 
  ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
2485 
  ACC40Sk_2 = DUAL_REG (ACC40Sk_1);
2486 
  ACC40Sk_3 = DUAL_REG (ACC40Sk_2);
2487 
 
2488 
  ps = CPU_PROFILE_STATE (cpu);
2489 
  /* The latency of the registers may be less than previously recorded,
2490 
     depending on how they were used previously.
2491 
     See Table 14-15 in the LSI.  */
2492 
  adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 4);
2493 
 
2494 
  /* The post processing must wait if there is a dependency on a register
2495 
     which is not ready yet.  */
2496 
  ps->post_wait = cycles;
2497 
  vliw = CPU_VLIW (cpu);
2498 
  slot = vliw->next_slot - 1;
2499 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2500 
  post_wait_for_media (cpu, slot);
2501 
  post_wait_for_ACC (cpu, in_ACC40Si);
2502 
  post_wait_for_ACC (cpu, ACC40Si_1);
2503 
  post_wait_for_ACC (cpu, ACC40Si_2);
2504 
  post_wait_for_ACC (cpu, ACC40Si_3);
2505 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2506 
  post_wait_for_ACC (cpu, ACC40Sk_1);
2507 
  post_wait_for_ACC (cpu, ACC40Sk_2);
2508 
  post_wait_for_ACC (cpu, ACC40Sk_3);
2509 
 
2510 
  /* Restore the busy cycles of the registers we used.  */
2511 
  restore_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 4);
2512 
 
2513 
  /* The latency of the output register will be at least the latency of the
2514 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2515 
  update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
2516 
  set_use_is_acc_mmac (cpu, out_ACC40Sk);
2517 
  if (ACC40Sk_1 >= 0)
2518 
    {
2519 
      update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
2520 
      set_use_is_acc_mmac (cpu, ACC40Sk_1);
2521 
    }
2522 
  if (ACC40Sk_2 >= 0)
2523 
    {
2524 
      update_ACC_latency (cpu, ACC40Sk_2, ps->post_wait + 1);
2525 
      set_use_is_acc_mmac (cpu, ACC40Sk_2);
2526 
    }
2527 
  if (ACC40Sk_3 >= 0)
2528 
    {
2529 
      update_ACC_latency (cpu, ACC40Sk_3, ps->post_wait + 1);
2530 
      set_use_is_acc_mmac (cpu, ACC40Sk_3);
2531 
    }
2532 
 
2533 
  /* the floating point unit resource has a latency of 3 cycles  */
2534 
  update_float_resource_latency (cpu, slot, cycles + 3);
2535 
 
2536 
  return cycles;
2537 
}
2538 
 
2539 
int
2540 
frvbf_model_fr550_u_media_4_quad (SIM_CPU *cpu, const IDESC *idesc,
2541 
                                  int unit_num, int referenced,
2542 
                                  INT in_FRi, INT in_FRj,
2543 
                                  INT out_ACC40Sk, INT out_ACC40Uk)
2544 
{
2545 
  int cycles;
2546 
  INT dual_FRi;
2547 
  INT dual_FRj;
2548 
  INT ACC40Sk_1;
2549 
  INT ACC40Sk_2;
2550 
  INT ACC40Sk_3;
2551 
  INT ACC40Uk_1;
2552 
  INT ACC40Uk_2;
2553 
  INT ACC40Uk_3;
2554 
  FRV_PROFILE_STATE *ps;
2555 
  FRV_VLIW *vliw;
2556 
  int slot;
2557 
 
2558 
  if (model_insn == FRV_INSN_MODEL_PASS_1)
2559 
    return 0;
2560 
 
2561 
  /* The preprocessing can execute right away.  */
2562 
  cycles = idesc->timing->units[unit_num].done;
2563 
 
2564 
  dual_FRi = DUAL_REG (in_FRi);
2565 
  dual_FRj = DUAL_REG (in_FRj);
2566 
  ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
2567 
  ACC40Sk_2 = DUAL_REG (ACC40Sk_1);
2568 
  ACC40Sk_3 = DUAL_REG (ACC40Sk_2);
2569 
  ACC40Uk_1 = DUAL_REG (out_ACC40Uk);
2570 
  ACC40Uk_2 = DUAL_REG (ACC40Uk_1);
2571 
  ACC40Uk_3 = DUAL_REG (ACC40Uk_2);
2572 
 
2573 
  ps = CPU_PROFILE_STATE (cpu);
2574 
  /* The latency of the registers may be less than previously recorded,
2575 
     depending on how they were used previously.
2576 
     See Table 14-15 in the LSI.  */
2577 
  adjust_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
2578 
  adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 4);
2579 
  adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 4);
2580 
 
2581 
  /* The post processing must wait if there is a dependency on a FR
2582 
     which is not ready yet.  */
2583 
  ps->post_wait = cycles;
2584 
  vliw = CPU_VLIW (cpu);
2585 
  slot = vliw->next_slot - 1;
2586 
  slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
2587 
  post_wait_for_media (cpu, slot);
2588 
  post_wait_for_FR (cpu, in_FRi);
2589 
  post_wait_for_FR (cpu, dual_FRi);
2590 
  post_wait_for_FR (cpu, in_FRj);
2591 
  post_wait_for_FR (cpu, dual_FRj);
2592 
  post_wait_for_ACC (cpu, out_ACC40Sk);
2593 
  post_wait_for_ACC (cpu, ACC40Sk_1);
2594 
  post_wait_for_ACC (cpu, ACC40Sk_2);
2595 
  post_wait_for_ACC (cpu, ACC40Sk_3);
2596 
  post_wait_for_ACC (cpu, out_ACC40Uk);
2597 
  post_wait_for_ACC (cpu, ACC40Uk_1);
2598 
  post_wait_for_ACC (cpu, ACC40Uk_2);
2599 
  post_wait_for_ACC (cpu, ACC40Uk_3);
2600 
 
2601 
  /* Restore the busy cycles of the registers we used.  */
2602 
  restore_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
2603 
  restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 4);
2604 
  restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 4);
2605 
 
2606 
  /* The latency of the output register will be at least the latency of the
2607 
     other inputs.  Once initiated, post-processing will take 1 cycle.  */
2608 
  if (out_ACC40Sk >= 0)
2609 
    {
2610 
      update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
2611 
 
2612 
      set_use_is_acc_mmac (cpu, out_ACC40Sk);
2613 
      if (ACC40Sk_1 >= 0)
2614 
        {
2615 
          update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
2616 
 
2617 
          set_use_is_acc_mmac (cpu, ACC40Sk_1);
2618 
        }
2619 
      if (ACC40Sk_2 >= 0)
2620 
        {
2621 
          update_ACC_latency (cpu, ACC40Sk_2, ps->post_wait + 1);
2622 
 
2623 
          set_use_is_acc_mmac (cpu, ACC40Sk_2);
2624 
        }
2625 
      if (ACC40Sk_3 >= 0)
2626 
        {
2627 
          update_ACC_latency (cpu, ACC40Sk_3, ps->post_wait + 1);
2628 
 
2629 
          set_use_is_acc_mmac (cpu, ACC40Sk_3);
2630 
        }
2631 
    }
2632 
  else if (out_ACC40Uk >= 0)
2633 
    {
2634 
      update_ACC_latency (cpu, out_ACC40Uk, ps->post_wait + 1);
2635 
 
2636 
      set_use_is_acc_mmac (cpu, out_ACC40Uk);
2637 
      if (ACC40Uk_1 >= 0)
2638 
        {
2639 
          update_ACC_latency (cpu, ACC40Uk_1, ps->post_wait + 1);
2640 
 
2641 
          set_use_is_acc_mmac (cpu, ACC40Uk_1);
2642 
        }
2643 
      if (ACC40Uk_2 >= 0)
2644 
        {
2645 
          update_ACC_latency (cpu, ACC40Uk_2, ps->post_wait + 1);
2646 
 
2647 
          set_use_is_acc_mmac (cpu, ACC40Uk_2);
2648 
        }
2649 
      if (ACC40Uk_3 >= 0)
2650 
        {
2651 
          update_ACC_latency (cpu, ACC40Uk_3, ps->post_wait + 1);
2652 
 
2653 
          set_use_is_acc_mmac (cpu, ACC40Uk_3);
2654 
        }
2655 
    }
2656 
 
2657 
  /* the floating point unit resource has a latency of 3 cycles  */
2658 
  update_float_resource_latency (cpu, slot, cycles + 3);
2659 
 
2660 
  return cycles;
2661 
}
2662 
 
2663 
#endif /* WITH_PROFILE_MODEL_P */

powered by: WebSVN 2.1.0

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