aboutsummaryrefslogtreecommitdiff
path: root/sim/igen/ChangeLog
blob: 8ef6284daa7866b9bc02870b4d1290923f2cd9f7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
2002-06-17  Andrew Cagney  <cagney@redhat.com>

	* gen.c (gen_entry_expand_opcode): Initialize ``value'' to -1 and
	``t'' to NULL.
	* igen.c (main): Add default case to switch.
	* gen-icache.c (print_icache_extraction): Ditto.

2002-06-17  Andrew Cagney  <cagney@redhat.com>

	* Makefile.in (BUILD_CFLAGS): Remove -O0.

2002-06-16  Andrew Cagney  <ac131313@redhat.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

2002-06-03  Richard Henderson  <rth@redhat.com>

	* gen-engine.c (print_run_body): Avoid multi-line strings.
	* lf.c (lf_print__gnu_copyleft): Likewise.

2002-05-01  Chris Demetriou  <cgd@broadcom.com>

	* igen.c: Use 'deprecated' rather than 'depreciated.'

2002-03-23  Andrew Cagney  <ac131313@redhat.com>

 	* gen.c (format_name_cmp): New function.
	(insn_list_insert): Use the instruction field name as an
	additional key.  Different field names indicate different
	semantics.

2002-03-07  Chris Demetriou  <cgd@broadcom.com>

	* igen.c (print_itrace_format): Add support for a new "%#lx" format.

Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

2000-04-12  Frank Ch. Eigler  <fche@redhat.com>

	* gen-semantics.c (print_semantic_body): Use GPR_CLEAR(N) instead
	of GPR_SET(N,0) for gen-zero-rN.

Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* Makefile.in (SIM_WARNINGS): Replace this with.
	(IGEN_WERROR_CFLAGS, IGEN_WARN_CFLAGS, WERROR_CFLAGS,
 	WARN_CFLAGS): With these.
	(BUILD_CFLAGS): Update.

	* configure: Regenerated to track ../common/aclocal.m4 changes.

1999-05-08  Felix Lee  <flee@cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	
Fri Dec  4 15:14:09 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (main): Fix -Pitable=.

	* gen-engine.c (print_run_body): Prefix instruction_address.

Wed Oct 28 18:12:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4
 	changes.

Wed Aug 12 10:55:28 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* gen-icache.c (print_icache_extraction): #undef a generated
 	symbol before #define'ing it, to remove conflict with system
 	macros.

Wed Jul 29 10:07:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen.c (gen_entry_expand_opcode): For conditional, fields.  Fix
 	the extraction of the value from its source - both table and bit
 	cases were wrong.

Tue Jul 28 11:19:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (parse_insn_word): For constant conditional strings,
 	encode their bit value.

	* ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional
 	operands to refer to fields in earlier instruction words.

	* gen.c (sub_val): Replace field argument with val_last_pos.
	(gen_entry_expand_opcode): Look in previous tables for a value for
 	a conditional field as well as the bits from the current table.
	(insn_list_insert): Add sort key of instructions where
 	their operand fields have different conditionals.
	(insn_field_cmp): New function.
	
Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Sun Apr 26 15:20:08 1998  Tom Tromey  <tromey@cygnus.com>

	* acconfig.h: New file.
	* configure.in: Reverted change of Apr 24; use sinclude again.

Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Fri Apr 24 11:19:33 1998  Tom Tromey  <tromey@cygnus.com>

	* configure.in: Don't call sinclude.

Fri Apr 24 19:45:00 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-icache.c (print_icache_extraction): Do not type cast
 	pointers.
	
	* ld-insn.c (load_insn_table): Terminate error with NL.

	* gen.c (insns_bit_useless): Perform unsigned bit comparisons.

	* filter.c (is_filtered_out, filter_parse): Pacify GCC, len is
 	unsigned.

Wed Apr 22 14:27:39 1998  Michael Meissner  <meissner@cygnus.com>

	* configure: Reconfigure to pick up ../common/aclocal.m4 changes
	to suppress inlining by default.

Tue Apr 21 01:37:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-icache.c (print_icache_extraction): When generating #define
 	force the expression to the correct type.

Thu Apr 16 08:50:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* misc.c (name2i): strlen returns an unsigned.

Tue Apr 14 19:04:28 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.h (struct igen_warn_options): Add unimplemented option.
	* igen.c (main): Update

	* ld-insn.c (load_insn_table): Report unimplemented functions.

Tue Apr 14 10:57:26 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (parse_insn_word): Treat `!' and `=' as valid
 	separator tokens when parsing a conditional.

	* igen.h (main): Add option -S so that suffix can be specified.

Tue Apr 14 08:44:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.h (struct igen_trace_options): Add members insn_expansion
 	and insn_insertion.

	* igen.c (main): Add options -Gtrace-insn-expansion,
 	-Gtrace-insn-insertion and -Gtrace-all.

	* gen.c (gen_entry_expand_insns): Trace each instruction as it is
 	selected for expansion.
	(gen_entry_expand_opcode): Trace each expanded instruction as it
 	is inserted into the table.
	
Mon Apr 13 19:21:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (parse_insn_word): Parse conditional operators.
	(parse_insn_word): Verify field conditionals.

	* ld-insn.h: Extend syntax to allow macros and field equality.
	(struct insn_field_cond): Rename insn_field_exclusion, add type.

	* gen.c (gen_entry_expand_opcode): Check type of conditional.
	(insns_bit_useless): Ditto.

	* ld-insn.c (parse_macro_record): New function.

Mon Apr 13 22:37:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.h (enum insn_field_type): Add insn_field_invalid.

	* ld-insn.c (parse_insn_word): Check instruction field type
 	correctly initialized.
	(print_insn_words): Ditto.
	(insn_field_type_to_str): Ditto.
	(dump_insn_field): Ditto.

	* gen.c (insns_bit_useless): Ditto.

Fri Apr  3 18:08:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen.h, igen.c (print_include_inline, print_includes,
 	print_includes): New functions.  Generate include list.  For for
 	semantics et.al. generate CPP code to inline when
 	C_REVEALS_MODULE_P.
	
	* igen.c (gen_semantics_c): Call print_includes.
	* gen-engine.c (gen_engine_c): Ditto.

Sat Apr  4 21:09:11 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.h: (struct _igen_name_option): Replace with struct
 	igen_module_option. Contains both module prefix and suffix.
	(INIT_OPTIONS): Initialize.
	
	* igen.c (main): Update -P option to fill in full module info.
	(gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c,
 	gen-support.c): Update.

Sat Apr  4 02:15:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any
 	tracing is needed.

Thu Mar 26 20:51:23 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

	* table.c (table_push):  Redo, using stdio.  Fixes NT native
	problem with <CRLF>=><LF> translation...

Tue Mar 24 23:30:07 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-engine.c (print_run_body): Re-extract the CIA after
 	processing any events.

Tue Mar 24 17:46:08 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

	* Makefile.in:  Get SHELL from configure.
	* configure:  Regenerate with autoconf 2.12.1 to fix shell issues for
	NT native builds.

Mon Mar 16 12:51:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c: Pass sim_cia to trace_prefix.

Thu Feb 26 19:25:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (parse_function_record): Check models are valid.
	(parse_function_record): Only discard function when no model is
 	common.

Tue Feb 24 01:42:03 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-engine.c (print_run_body): Always wrap generated idecode
 	body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK.

Fri Feb 20 16:22:10 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (parse_function_record): When -Wnodiscard, suppress
 	discarded function warning.

	* igen.c (main): Clarify -Wnodiscard.

	* ld-insn.c (parse_function_record): For functions, allow use of
 	instruction style function model records

	* ld-insn.h (nr_function_model_fields): Define.
	
Tue Feb 17 16:36:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_itrace_prefix): Generate call to trace_prefix
 	instead of trace_one_insn.
	(print_itrace): Generate trace_prefix call if any tracing enabled,
	(print_itrace): Nest generated call to trace_generic inside
 	conditional for any tracing enabled.
	(print_itrace_prefix): Do not pass PHASE to trace_prefix.

Tue Feb  3 14:00:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro.
	* gen-icache.c (print_icache_body): Ditto.
	* gen-idecode.c (print_idecode_ifetch): Ditto.

	* gen-icache.c (print_icache_body): Mark successive instruction
 	words as unused.

	* ld-insn.c (parse_insn_word): Only report insn-width problems
 	when warning enabled.

	* igen.h: Add flag for warning about invalid instruction widths.
	* igen.c: Parse -Wwidth option.
	
	* gen-support.c (gen_support_h): Map instruction_word onto
 	<PREFIX>_instruction_word when needed.
	(print_support_function_name): Use support prefix.
	(gen_support_h): Ditto for <PREFIX>_idecode_issue.
	
Sun Feb  1 11:08:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-support.c (gen_support_h): Generate new macro CPU_.

Sat Jan 31 14:50:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-engine.c (gen_engine_h): Don't assume a model is present.
	(gen_engine_c): Ditto.

	* igen.c (gen_run_c): Ditto.

	* gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of
 	CPU_CIA.  Parameterize with CPU argument.
	
Fri Jan 30 09:09:39 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen.h (struct _gen_list): Replace processor with model.

	* igen.c (gen_idecode_h): Update.
	(gen_run_c): For generated switch, use model->full_name.

	* gen.c (print_gen_entry_path): Ditto.
	(make_table):  Ditto.
	(gen_entry_expand_insns):  Ditto.
	(make_gen_tables):  Ditto.

	* igen.c (gen_run_c): Add extra argument `nr_cpus' to generated
 	function sim_engine_run.  Pass argument on to engine_run.

	* gen-engine.c (print_engine_run_function_header): Add extra
 	argument `nr_cpus' to generated function engine_run.
	(print_run_body): Fix SMP case.

	* gen-support.c (support_c_function): Call sim_engine_abort when
 	internal function fails to long jump.

Wed Jan 21 18:00:22 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-semantics.c (print_semantic_body): Use GPR_SET to zero
 	hardwired register.

Wed Dec 17 14:49:03 1997  Jeffrey A Law  (law@cygnus.com)

	* gen-semantics.c (print_semantic_body): Fix handling of
	hardwired zero register.

Tue Dec  9 12:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.h (struct _igen_gen_options): Add member default_model.

	* igen.c (gen_run_c): Default to the first machine in the
 	multi-sim list.
	(main): Add MODEL parameter to gen-multi-sim option.

	* gen.h (function_decl_type): Declare enum.

	* gen-engine.c (print_engine_run_function_header), gen-engine.h:
 	Make global, pass function_decl_type as argument.
	(gen_engine_h, gen_engine_c): Update call.

	* gen-idecode.c (print_idecode_issue_function_header),
 	gen-idecode.h: Pass function_decl_type as argument.

	* igen.c (gen_idecode_h): For multi-sim, delcare global variable
 	idecode_issue.

	* igen.c (gen_run_c): For multi-sim, initialize globals
 	idecode_issue and engine_run.

Fri Nov 14 10:51:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (parse_insn_model_record): Allow multiple model names
 	to be specified in a single instruction model record.
	(dump_insn_model_entry): Update.

	* ld-insn.h (struct _insn_model_entry): Replace member name with
 	the filter names.  Document syntax change.

Wed Nov 12 15:45:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-engine.c (print_run_body): Add hooks for adding code before
 	and after an instruction has been issued.

1997-11-04  Brendan Kehoe  <brendan@lisa.cygnus.com>

	* gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of
	`#ifdef 0' around this.

Tue Nov  4 08:18:29 1997  Michael Meissner  <meissner@cygnus.com>

	* ld-decode.c (load_decode_table): Don't assume NULL is an integer
	constant.

Wed Oct 29 13:17:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.h: Document mnemonic string format.

Tue Oct 28 10:50:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-icache.c (print_icache_extraction): Force result of atol to
 	unsigned.

	* ld-insn.c (parse_function_record): Separate handling of old and
 	ney fynction records.
	(load_insn_table): For %s record, hack function name & type after
 	it has been parsed.

	* filter.h (filter_is_subset): Reverse argument names, wrong
 	order.

	* ld-insn.c (load_insn_table): Move include code to.
	(parse_include_record): New function.  Check for filtering of
 	include statement by both flags and models.
	(load_insn_table): Check for model filtering of cache and model
 	records.
	(parse_model_data_record): Check for model & flag filtering of
 	model data records.
	(parse_function_record): Check for model & flag filtering of
 	function records.

	* ld-insn.h: Define record_filter_models_field.  Add filter-models
 	field to all but instruction records.
	(struct _function_entry, struct _cache_entry): Add models field.
	(nr_function_fields): Make parm field mandatory.

Mon Oct 27 15:14:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (main): Change -I option to -I<directory>.  Add optional
 	size to -Ggen-icache option.  Add -Gno-... support.
	
	* igen.h (struct _igen_options): Add include field.
	
	* ld-insn.c (enum insn_record_type, insn_type_map): Add
 	include_record.
	(load_insn_table): Call table_push when include record.
	
	* table.c (struct _open table, struct table): Make table object an
 	indirect ptr to the current table file.
	(current_line, new_table_entry, next_line): Make file arg type
 	open_table.
	(table_open): Use table_push.
	(table_read): Point variable file at current table, at eof, pop
 	last open table.

	* table.h, table.c (table_push): New function.

Thu Oct 16 11:03:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-semantics.c (print_semantic_body): Use CIA not
 	cia.ip. Escape newlines at end of generated call to
 	sim_engine_abort.

Tue Oct 14 11:13:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_itrace): Output line-ref to igen source file when
 	generating trace statements.
	(print_itrace_prefix, print_itrace_format): Escape newline at end
 	of each line of generated call to trace function.

Mon Oct 13 11:27:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-support.c (gen_support_h): Generate #define NIA. Definition
 	dependant on gen-delayed-branch mode.

	* ld-insn.c (parse_insn_mnemonic_record): Check for opening and
 	closing double quote in mnemonic field.
	(parse_option_record): Add gen-delayed-branch option.

Wed Oct  8 13:10:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen.c (insn_list_insert): Missing \n in warning.

	* ld-insn.c (load_insn_table): Only notify of discarded
 	instrctions when warn.discard enabled.

	* igen.h: Add option.warn.discard, default enabled.

	* igen.c (main): Add -Wnodiscard option.

	* ld-insn.c (record_type): For old record type, check the number
 	of fields is correct.
	(load_insn_table): Allow insn assembler and insn model records to
 	appear in any order.
	(parse_insn_model_record): Rename from parse_insn_model_records.
  	Parse only one record.
	(parse_insn_mnemonic_record): Rename from
 	parse_insn_mnemonic_records.  Parse only one record.

Tue Sep 23 15:52:06 1997  Felix Lee  <flee@yin.cygnus.com>

	* gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
 	illegal zero-sized array.
	(itable_print_set): likewise, avoid empty initializers.

Mon Sep 22 18:49:07 1997  Felix Lee  <flee@cygnus.com>

	* configure.in: i386-windows is a cross, so don't expect
 	libiberty to be there.
	* configure: updated.
	
Fri Sep 19 10:36:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_function_name): Put the format name after the
 	function / instruction name, not before.
	(print_itrace): Better format trace code.

Tue Sep 16 11:01:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen.c (insns_bit_useless): Don't treat string fields restricted
 	to a range of values as useless.

Mon Sep 15 15:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (gen_run_c): Handle non-multi-sim case.

	* gen-support.c (gen_support_h): Define SD_ - to replace _SD.
  	Define CIA from cia.

Thu Sep 11 10:27:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-semantics.c (print_semantic_body): Trace the instruction
 	after it has been validated.
	(print_semantic_body): Count the instruction using sim-profile.
	
Wed Sep 10 13:35:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-itable.c (gen_itable_h): Collect summary info on instruction
 	table when traversing it.
	(gen_itable_h): Output an enum defining the max size of each of
 	the itable string members.

Tue Sep  9 03:30:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (gen_run_c): New function. Generate sim_engine_run that
 	looks at the currently selected architecture.

	* gen-engine.c, gen-idecode.c: Add multi-sim support - generate
 	one engine per model.
	
	* gen-semantics.c, gen-icache.c gen-support.c:
 	Update.

	* ld-insn.h, ld-insn-h (load_insn_table): Rewrite.  table.h only
 	returns a line at a time.  Parse multi-word instructions.  Add
 	multi-sim support.

	* table.h, table.c: Simplify.  Only parse a single line at a time.
  	ld-insn can handle the rest.

	* filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
 	filter_is_common, filter_is_member, filter_next): New filter
 	operations.
	(dump_filter): Ditto.
	
	* gen.h, gen.c: New file.  Takes the insn table and turns it into
 	a set of decode tables and semantic functions.
	
	* ld-insn.c: Copy generator code from here.
	* gen.c: To here.

Fri Aug  8 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* misc.h (NZALLOC): Allocate an N element array of TYPE.

	* table.h, table.c: Simplify table parser so that it only
 	understands colon delimited lines and code blocks.
	(table_read): Parse '{' ... '}' as a code block.
	(table_print_code): New function, print out a code block to file.
	(main): Add suport for standalone testing.
	
	* ld-insn.h, ld-insn.c:
	
	
Mon Sep  1 11:41:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
	(print_jump_definition, print_jump, print_jump_internal_function,
 	print_jump_insn, print_jump_until_stop_body): Delete, moved to
 	sim-engine.c

	* igen.c (print_itrace_format): Delete unused variable chp.
	(gen-engine.h): Include.

	* table.c (current_file_name, current_line_entry,
 	current_line_entry): Make static.

Wed Aug  6 12:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
 	RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
	* configure.in: Include simulator common/aclocal.m4.
	* configure.in: Add --enable-sim-warnings option.
	* configure: Re-generate.
	
	* Makefile.in: Use.

	* Makefile.in (tmp-filter): New rule.
	(igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
 	ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
	
	* gen.h, gen.c: New files.
  	
	* Makefile.in (gen.o, tmp-gen): New rules, update all
 	dependencies.
	
Tue Jun 24 11:46:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (load_insn_table): Accept %s as a function type.

Thu Jun  5 17:14:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_itrace_prefix): Move printing of insn prefix to
 	here.
	(print_itrace_format): Drop printing of MY_NAME in instruction
 	trace.  Printing of insn prefix moved.
	(print_itrace): Ditto.

Fri May 30 11:27:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-icache.c (print_icache_function_header): Pass
 	table_line_entry instead of separate file and line.

	* table.c (table_entry_read): Set assembler source file/line-nr to
 	the current not initial file.
	(table_entry_read): Fix line numbering of source files.

	table.h (table_line_entry): New structure.  Exactly specifies a
 	source file/line-nr.
	(table_*_entry): Add this to all.
	
	table.c (table_entry_print_cpp_line_nr): Change to use values from
 	a table_line_entry struct.
	(table_entry_read): Save table_line_entry in all structures read.

	gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
 	gen-model.c: Update all references.
	
Thu May 29 10:29:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_my_defines): Define MY_NAME - a string.  For
 	MY_PREFIX, undefine the name of the function incase some dumb
 	header defined it.  it.
	(print_itrace): Use MY_NAME not MY_PREFIX.

	* lf.c (lf_write): New function write an N character buffer to the
 	file.

	* igen.c (print_itrace): When available, use the assembler to
 	print the insn-trace.
	(print_itrace_prefix): New function, print first part of call to
 	print_one_insn.
	(print_itrace_format): New function, print fmt argument for
 	print_one_insn.
	
	* table.c (table_entry_read): Save any assembler lines instead of
 	discarding them.

Wed May 28 09:55:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-icache.c (print_icache_body): Process immeds.

	* gen-semantics.c (print_semantic_body): When computing NIA, skip
 	any immed words that follow the instruction word.

	* ld-insn.c (parse_insn_format): Parse immeds appended to an
 	instruction.

	* igen.c (main): Allow any register to be specified as the zero
 	register.
	(semantic_zero_reg): Global, index to zero register.

	* gen-semantics.c (print_semantic_body): Zero selected register.

Tue May 27 14:12:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.h: Stop options and code gen type bit masks overlaping.

Fri May 23 12:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-semantics.c (print_semantic_body): Incorrect test for
 	zero-r0 code.

Fri May 16 14:32:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-semantics.c (print_semantic_body): Use common sim-engine
 	interface.

Fri May 16 11:48:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-semantics.c (print_semantic_body): Add code to clear r0.

	* igen.c (main): Add new option zero-r0, which adds code to clear
 	GPR(0) each cycle.

Wed May  7 12:31:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_itrace): Fix so line-nr is passed to trace
 	function.

	* gen-idecode.c (print_idecode_validate): Correct FP code.

	* gen-support.c (gen_support_h): Always pass MY_INDEX to support
 	functions.
	(print_support_function_name): Ditto.

Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>

	* igen.c (print_itrace): Call trace_one_insn to trace
	instructions, rather than doing it directly.

Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>

	* gen-engine.c (engine_switch_leaf): Remove extra %s.
	(print_engine_floating_point_unavailable): Wrap in #ifdef
	UNUSED/#endif, until somebody uses it.

	* gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
	variable.
	(print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
	somebody uses it.
	(print_idecode_validate): Use long formats to print long values.

	* gen-semantics.c (print_idecode_invalid): Set name to "unknown"
	if we get an unexpected type.

Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_itrace): Pass SD as well as CPU to calls to
 	trace_printf.

	* gen-support.c (gen_support_h): Always pass sim_cia cia to
 	support functions.
	(print_support_function_name): Ditto.

Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gen-support.c (support_c_function): Remove unnecessary memset of
 	cia.
  	* gen-semantics.c (print_semantic_body): Wasn't closing
 	generated comment.

Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (load_insn_table): Report instructions that do not
 	have at least a format and name.
	(insn_table_find_opcode_field): Check progress is being made.

	* gen-support.c (support_c_function): Report empty function body.

Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
 	be broken up.
	(insn_table_expand_insns): Allow special rules to apply to groups
 	of instructions when all members of the group match the special
 	mask/value.

	* gen-semantics.c (print_c_semantic): Ditto.
	* igen.c (print_semantic_function_formal): Ditto.
	(print_semantic_function_type): Ditto.
	* igen.c (print_icache_function_formal): Ditto.
	* gen-idecode.c (print_idecode_issue_function_body): Ditto.

	* gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
 	instruction_address type.

	* gen-semantics.c (print_semantic_body): Call cpu_error when an
 	unimplemented instruction is encountered - gives the interpreter
 	the chance to stop correctly.

Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (print_function_name): Allow dot's in instruction names.

Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* igen.c (main), igen.h: Support new option - delayed-branch -
 	generate code to drive a delayed branch processor.

	* gen-idecode.c (gen_idecode_h): Define instruction_address type.

	* igen.c (print_icache_function_formal): Replace address_word with
 	instruction_address.
	(print_semantic_function_formal): Ditto.
	(print_semantic_function_type): Ditto.
	* gen-idecode.c (print_idecode_issue_function_body): Ditto.

	* gen-semantics.c (print_semantic_body): Ditto.
	(print_c_semantic): Ditto.

	* gen-support.c (support_c_function): Return a zeroed CIA instead
 	of just zero - works with any cia type.

	* igen.c (print_itrace): For delayed branch case, print just the
 	current instruction.
	
Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>

	* igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.

Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in (INSTALL): Set to @INSTALL@.
	(INSTALL_XFORM, INSTALL_XFORM1): Remove.

Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in (INSTALL): Change install.sh to install-sh.

Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>

	* gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
	* gen-idecode.c (gen_idecode_c): Likewise.
	* igen.c (gen_semantics_c): Likewise.

Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* gen-icache.c (print_icache_body): No longer define cpu/sd,
 	support.h now defines CPU/SD globally.

	* gen-model.c (gen_model_h): Ditto.

	* gen-idecode.c (print_idecode_issue_function_body): Ditto.
	(print_jump): Ditto.
	(print_jump_until_stop_body): Ditto.
	(print_idecode_validate): Ditto.

	* gen-icache.c (print_icache_body): Ditto.

	* gen-semantics.c (print_semantic_body): Ditto.

	* igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 	processor to cpu.
	(print_icache_function_formal): Ditto.

	* gen-support.c (print_support_function_name): Include sd/cpu arg
 	in support function argument list.
	(support_c_function): Generate code to cpu/sd from sd/cpu.
	(gen_support_h): Define _SD the argument prefix for all support
 	functions.  Define SD/CPU to determine sd/cpu from value of _SD
	macro.

Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* gen-support.c (gen_support_c): Update for renaming of engine to
 	sim-state.
	
	* igen.c: Ditto.
	* gen-idecode.c (gen_idecode_c): Ditto.

Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* ld-decode.c (load_decode_table): Rename slash to reserved.
	(dump_decode_rule): Ditto.

	* ld-insn.c (parse_insn_format): Differentiate between a `/' -
 	reserved bit - and a `*' - wild card.
	(parse_insn_format): Change is_slash to more informative reserved.
	(dump_insn_field): Ditto.
	(insn_field_is_constant): Ditto.
	(insn_table_expand_opcode): Ditto.

	* gen-idecode.c (print_idecode_validate): Make check_mask and
 	check_val the correct integer size.
	(print_idecode_validate): Fix reserved bit check for 64 bit
 	targets.

Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 	`/' in bit fields.  `/' denotes a wild bit.

Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* igen.h, igen.c (main): New options. Control generation of
 	conditional issue and slot verification code.

Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* gen-support.c (print_support_function_name): Prepend the global
 	name prefix when applicable.  Provide #define to map the user
 	specified name the generated globaly unique one.

Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* gen-idecode.c (print_idecode_validate): Wrap each of the checks
 	- reserved bits, floating point and slot validation - with a
 	#ifdef so that they are optional.
	
Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* gen-idecode.c (error_leaf_contains_multiple_insn): New function
 	- report the error of a leaf node in the decision tree containing
 	several instructions.
	(print_idecode_table_leaf): Detect a leaf with multiple instructions.
	(print_idecode_switch_leaf): Ditto.

	* gen-semantics.h, gen-semantics.c (print_idecode_illegal,
 	print_idecode_invalid): Rename former to latter.  Add argument so
 	that one function can generate all invalid instruction cases -
 	illegal, fp-unavailable, wrong-slot.
	* gen-engine.c: Update.

	* gen-idecode.c: Use print_idecode_invalid to generate a function
 	call for cases when fp-unavailable and the slot is wrong.

	* gen-idecode.c (print_idecode_validate): New check, generate code
 	to verify that the instruction slot is correct.
	
	* igen.c (main): Simplify options.

Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* igen.c (print_itrace): Remove source line reference for trace
 	code - let the user see the generated file.
	(print_itrace): Print the trace code rather than reference a
	macro.

Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* igen.c (print_semantic_function_actual): Pass either the
 	processor - smp - or the engine - mono - into semantic functions.
  	Don't pass in both.

	* gen-icache.c (print_icache_body): Dependant on smp, derive
 	processor from engine or engine from processor, and hence ensuring
 	that both are defined in all semantic functions.

Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* ld-insn.c (parse_insn_format): Make the width field optional.
  	If missing assume that the number of characters in the value
 	determines the number of bits in the field.
	
Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* ld-insn.c (insn_table_expand_opcode): Replace assertion with
 	more useful error message.

Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* misc.c (error): Output errors on stderr.

	* ld-insn.c (parse_insn_format): Skip any leading spaces.
  	Verify the width of instructions being parsed.

	* table.c (table_entry_read): Parse CPP's convention for
 	specifying original file name/line-nr.

Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* ld-insn.c (parse_insn_format): Allow trailing spaces in
 	instruction fields.

	* Makefile.in: Create using ../ppc/Makefile.in as a starting
 	point.
	* configure.in: Ditto vis ../ppc/configure.in
	
Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* gen-support.c (gen_support_c): Always include engine.h instead
 	of cpu.h
	* gen-idecode.c (gen_idecode_c): Ditto.

	* words.h (instruction_word): Remove instruction_word - now
 	generated by igen.
	(address_word): New.  Used by igen.
	
	* lf.c (lf_print_function_type_function): New, pass a function to
 	print out the type instead of a constant string.
	
	* igen.h, igen.c (print_semantic_function_formal,
 	SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
	(print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
	(print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
	(print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
	(print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
	(print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
	* gen-idecode.c (print_idecode_table): Update.
	(idecode_switch_leaf): Update.
	(print_idecode_switch_function_header): Ditto.
	(print_idecode_floating_point_unavailable): Ditto.
	(print_idecode_issue_function_header): Ditto.
	* igen.c (gen_icache_h): Ditto.
	* gen-engine.c (print_engine_table): Ditto.
	(engine_switch_leaf): Ditto.
	* gen-support.c (print_support_function_name): Ditto.
	* gen-semantics.c (print_semantic_function_header): Update.
	Update.
	* gen-icache.c (print_icache_function_header): Update.
	(print_icache_function): Update.
	(print_icache_internal_function_declaration): Update.
	(print_icache_internal_function_definition): Update.

	* gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 	files, will at some stage need to move it into support.

	* igen.h, igen.c (main): New option -e <engine> - generate a full
 	simulation engine.  Previously this was the -d <idecode-file>
 	option.
	* gen-engine.h, gen-engine.c: Copies of gen-idecode.*.  Will need
 	to clean these up so that that call upon the updated gen-idecode
	code.
	
	* gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 	generating a decode table.
	
	* Makefile.in (igen): Add dependencies for new gen-engine.* files.

	* igen.h, igen.c (main): New option -M - Control what is returned
 	by semantic functions - -1/NIA vs CIA+N/NIA.  Add
 	generate_semantic_returning_modified_nia_only to igen_code enum.
	* gen-semantics.c (print_semantic_body): As an alternative, make
 	NIA == -1 instead of CIA+insn_size by default.
	
	* igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 	New option -P <prefix> - Prepend all generated functions with the
 	specified prefix.
	(gen_idecode_c): Adjust.
	* gen-icache.c (print_icache_struct): Ditto.
	* gen-support.c (gen_support_c): Ditto.

Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* igen.c (main): Correct usage. Missleading message about ucase
 	options dumping internal tables.  -F now includes rather then
 	excludes instructions.

	* misc.h, misc.c (a2i): Make 64bit.

	* ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
 	max to 64bits, expect trouble.  Make the default 32 bits.
	* gen-idecode.c (print_idecode_table): Change EXTRACTED*
 	et.al. macro's to use the insn_bit_size instead of assuming 32
 	bits.
	* gen-icache.c (print_icache_extraction): Ditto.
	* gen-idecode.c (idecode_switch_start): Ditto.
	* gen-idecode.c (gen_idecode_c): Ditto

	* igen.h (insn_specifying_widths), igen.c (main): New option -W.
  	Indicates that the instruction field of the table is specifying
 	bit widths instead of bit offsets.
	* ld-insn.c (parse_insn_format): Parse instruction fields
 	specifying widths.

	* misc.c (a2i): Allow binary numbers to be specified using the
 	syntax 0bNNNN.
	* ld-insn.c: Allow such numbers to appear in the instruction
 	format.

	* table.c (table_entry_read): Make // a valid comment character.
	(table_entry_read): Skip lines containing a leading " - these may
 	eventually be used in a disasembler.

Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
 	gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
 	gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
 	gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
 	ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
 	ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
 	from the ../ppc directory.

	* filter_host.c, filter_host.h: Copy in from the ../ppc directory
 	renaming from filter_filename.[hc]