sim/igen/ChangeLog

   1 2002-11-21  Andrew Cagney  <ac131313@redhat.com>
   2
   3         * filter.c: Re-indent.
   4         * filter.h, filter_host.h, gen-engine.c, gen-engine.h: Ditto.
   5         * gen-icache.c, gen-icache.h, gen-idecode.c: Ditto.
   6         * gen-idecode.h, gen-itable.c, gen-itable.h: Ditto.
   7         * gen-model.c, gen-model.h, gen-semantics.c: Ditto.
   8         * gen-semantics.h, gen-support.c, gen-support.h: Ditto.
   9         * gen.c, gen.h, igen.c, igen.h, ld-cache.c, ld-cache.h: Ditto.
  10         * ld-decode.c, ld-decode.h, ld-insn.c, ld-insn.h, lf.c: Ditto.
  11         * lf.h, misc.c, misc.h, table.c, table.h: Ditto.
  12
  13 2002-11-21  Andrew Cagney  <ac131313@redhat.com>
  14
  15         * Makefile.in: Update copyright.  IGEN contributed to the FSF.
  16         * filter.c, filter.h, filter_host.c, filter_host.h: Ditto.
  17         * gen-engine.c, gen-engine.h, gen-icache.c, gen-icache.h: Ditto.
  18         * gen-idecode.c, gen-idecode.h, gen-itable.c: Ditto.
  19         * gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c: Ditto.
  20         * gen-semantics.h, gen-support.c, gen-support.h, gen.c: Ditto.
  21         * gen.h, igen.c, igen.h, ld-cache.c, ld-cache.h: Ditto.
  22         * ld-decode.c, ld-decode.h, ld-insn.c, ld-insn.h, lf.c: Ditto.
  23         * lf.h, misc.c, misc.h, table.c, table.h: Ditto.
  24
  25 2002-11-06  Richard Sandiford  <rsandifo@redhat.com>
  26
  27         * gen-engine.c (print_engine_issue_prefix_hook): Don't add the
  28         global prefix to ENGINE_ISSUE_PREFIX_HOOK.
  29         (print_engine_issue_postfix_hook): Likewise ENGINE_ISSUE_POSTFIX_HOOK.
  30
  31 2002-08-28  Dave Brolley  <brolley@redhat.com>
  32
  33         * gen-support.c (gen_support_h): Generate
  34         '#define semantic_illegal <PREFIX>_semantic_illegal'.
  35
  36 2002-08-22  Chris Demetriou  <cgd@broadcom.com>
  37
  38         * compare_igen_models: New script.
  39
  40 2002-06-17  Andrew Cagney  <cagney@redhat.com>
  41
  42         * gen.c (gen_entry_expand_opcode): Initialize ``value'' to -1 and
  43         ``t'' to NULL.
  44         * igen.c (main): Add default case to switch.
  45         * gen-icache.c (print_icache_extraction): Ditto.
  46
  47 2002-06-17  Andrew Cagney  <cagney@redhat.com>
  48
  49         * Makefile.in (BUILD_CFLAGS): Remove -O0.
  50
  51 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  52
  53         * configure: Regenerated to track ../common/aclocal.m4 changes.
  54
  55 2002-06-03  Richard Henderson  <rth@redhat.com>
  56
  57         * gen-engine.c (print_run_body): Avoid multi-line strings.
  58         * lf.c (lf_print__gnu_copyleft): Likewise.
  59
  60 2002-05-01  Chris Demetriou  <cgd@broadcom.com>
  61
  62         * igen.c: Use 'deprecated' rather than 'depreciated.'
  63
  64 2002-03-23  Andrew Cagney  <ac131313@redhat.com>
  65
  66         * gen.c (format_name_cmp): New function.
  67         (insn_list_insert): Use the instruction field name as an
  68         additional key.  Different field names indicate different
  69         semantics.
  70
  71 2002-03-07  Chris Demetriou  <cgd@broadcom.com>
  72
  73         * igen.c (print_itrace_format): Add support for a new "%#lx" format.
  74
  75 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  76
  77         * configure: Regenerated to track ../common/aclocal.m4 changes.
  78
  79 2000-04-12  Frank Ch. Eigler  <fche@redhat.com>
  80
  81         * gen-semantics.c (print_semantic_body): Use GPR_CLEAR(N) instead
  82         of GPR_SET(N,0) for gen-zero-rN.
  83
  84 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  85
  86         * Makefile.in (SIM_WARNINGS): Replace this with.
  87         (IGEN_WERROR_CFLAGS, IGEN_WARN_CFLAGS, WERROR_CFLAGS,
  88         WARN_CFLAGS): With these.
  89         (BUILD_CFLAGS): Update.
  90
  91         * configure: Regenerated to track ../common/aclocal.m4 changes.
  92
  93 1999-05-08  Felix Lee  <flee@cygnus.com>
  94
  95         * configure: Regenerated to track ../common/aclocal.m4 changes.
  96
  97 Fri Dec  4 15:14:09 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  98
  99         * igen.c (main): Fix -Pitable=.
 100
 101         * gen-engine.c (print_run_body): Prefix instruction_address.
 102
 103 Wed Oct 28 18:12:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 104
 105         * Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4
 106         changes.
 107
 108 Wed Aug 12 10:55:28 1998  Frank Ch. Eigler  <fche@cygnus.com>
 109
 110         * gen-icache.c (print_icache_extraction): #undef a generated
 111         symbol before #define'ing it, to remove conflict with system
 112         macros.
 113
 114 Wed Jul 29 10:07:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 115
 116         * gen.c (gen_entry_expand_opcode): For conditional, fields.  Fix
 117         the extraction of the value from its source - both table and bit
 118         cases were wrong.
 119
 120 Tue Jul 28 11:19:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 121
 122         * ld-insn.c (parse_insn_word): For constant conditional strings,
 123         encode their bit value.
 124
 125         * ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional
 126         operands to refer to fields in earlier instruction words.
 127
 128         * gen.c (sub_val): Replace field argument with val_last_pos.
 129         (gen_entry_expand_opcode): Look in previous tables for a value for
 130         a conditional field as well as the bits from the current table.
 131         (insn_list_insert): Add sort key of instructions where
 132         their operand fields have different conditionals.
 133         (insn_field_cmp): New function.
 134
 135 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 136
 137         * configure: Regenerated to track ../common/aclocal.m4 changes.
 138         * config.in: Ditto.
 139
 140 Sun Apr 26 15:20:08 1998  Tom Tromey  <tromey@cygnus.com>
 141
 142         * acconfig.h: New file.
 143         * configure.in: Reverted change of Apr 24; use sinclude again.
 144
 145 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 146
 147         * configure: Regenerated to track ../common/aclocal.m4 changes.
 148         * config.in: Ditto.
 149
 150 Fri Apr 24 11:19:33 1998  Tom Tromey  <tromey@cygnus.com>
 151
 152         * configure.in: Don't call sinclude.
 153
 154 Fri Apr 24 19:45:00 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 155
 156         * gen-icache.c (print_icache_extraction): Do not type cast
 157         pointers.
 158
 159         * ld-insn.c (load_insn_table): Terminate error with NL.
 160
 161         * gen.c (insns_bit_useless): Perform unsigned bit comparisons.
 162
 163         * filter.c (is_filtered_out, filter_parse): Pacify GCC, len is
 164         unsigned.
 165
 166 Wed Apr 22 14:27:39 1998  Michael Meissner  <meissner@cygnus.com>
 167
 168         * configure: Reconfigure to pick up ../common/aclocal.m4 changes
 169         to suppress inlining by default.
 170
 171 Tue Apr 21 01:37:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 172
 173         * gen-icache.c (print_icache_extraction): When generating #define
 174         force the expression to the correct type.
 175
 176 Thu Apr 16 08:50:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 177
 178         * misc.c (name2i): strlen returns an unsigned.
 179
 180 Tue Apr 14 19:04:28 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 181
 182         * igen.h (struct igen_warn_options): Add unimplemented option.
 183         * igen.c (main): Update
 184
 185         * ld-insn.c (load_insn_table): Report unimplemented functions.
 186
 187 Tue Apr 14 10:57:26 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 188
 189         * ld-insn.c (parse_insn_word): Treat `!' and `=' as valid
 190         separator tokens when parsing a conditional.
 191
 192         * igen.h (main): Add option -S so that suffix can be specified.
 193
 194 Tue Apr 14 08:44:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 195
 196         * igen.h (struct igen_trace_options): Add members insn_expansion
 197         and insn_insertion.
 198
 199         * igen.c (main): Add options -Gtrace-insn-expansion,
 200         -Gtrace-insn-insertion and -Gtrace-all.
 201
 202         * gen.c (gen_entry_expand_insns): Trace each instruction as it is
 203         selected for expansion.
 204         (gen_entry_expand_opcode): Trace each expanded instruction as it
 205         is inserted into the table.
 206
 207 Mon Apr 13 19:21:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 208
 209         * ld-insn.c (parse_insn_word): Parse conditional operators.
 210         (parse_insn_word): Verify field conditionals.
 211
 212         * ld-insn.h: Extend syntax to allow macros and field equality.
 213         (struct insn_field_cond): Rename insn_field_exclusion, add type.
 214
 215         * gen.c (gen_entry_expand_opcode): Check type of conditional.
 216         (insns_bit_useless): Ditto.
 217
 218         * ld-insn.c (parse_macro_record): New function.
 219
 220 Mon Apr 13 22:37:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * ld-insn.h (enum insn_field_type): Add insn_field_invalid.
 223
 224         * ld-insn.c (parse_insn_word): Check instruction field type
 225         correctly initialized.
 226         (print_insn_words): Ditto.
 227         (insn_field_type_to_str): Ditto.
 228         (dump_insn_field): Ditto.
 229
 230         * gen.c (insns_bit_useless): Ditto.
 231
 232 Fri Apr  3 18:08:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 233
 234         * gen.h, igen.c (print_include_inline, print_includes,
 235         print_includes): New functions.  Generate include list.  For for
 236         semantics et.al. generate CPP code to inline when
 237         C_REVEALS_MODULE_P.
 238
 239         * igen.c (gen_semantics_c): Call print_includes.
 240         * gen-engine.c (gen_engine_c): Ditto.
 241
 242 Sat Apr  4 21:09:11 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 243
 244         * igen.h: (struct _igen_name_option): Replace with struct
 245         igen_module_option. Contains both module prefix and suffix.
 246         (INIT_OPTIONS): Initialize.
 247
 248         * igen.c (main): Update -P option to fill in full module info.
 249         (gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c,
 250         gen-support.c): Update.
 251
 252 Sat Apr  4 02:15:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any
 255         tracing is needed.
 256
 257 Thu Mar 26 20:51:23 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 258
 259         * table.c (table_push):  Redo, using stdio.  Fixes NT native
 260         problem with <CRLF>=><LF> translation...
 261
 262 Tue Mar 24 23:30:07 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 263
 264         * gen-engine.c (print_run_body): Re-extract the CIA after
 265         processing any events.
 266
 267 Tue Mar 24 17:46:08 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 268
 269         * Makefile.in:  Get SHELL from configure.
 270         * configure:  Regenerate with autoconf 2.12.1 to fix shell issues for
 271         NT native builds.
 272
 273 Mon Mar 16 12:51:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 274
 275         * igen.c: Pass sim_cia to trace_prefix.
 276
 277 Thu Feb 26 19:25:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 278
 279         * ld-insn.c (parse_function_record): Check models are valid.
 280         (parse_function_record): Only discard function when no model is
 281         common.
 282
 283 Tue Feb 24 01:42:03 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 284
 285         * gen-engine.c (print_run_body): Always wrap generated idecode
 286         body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK.
 287
 288 Fri Feb 20 16:22:10 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 289
 290         * ld-insn.c (parse_function_record): When -Wnodiscard, suppress
 291         discarded function warning.
 292
 293         * igen.c (main): Clarify -Wnodiscard.
 294
 295         * ld-insn.c (parse_function_record): For functions, allow use of
 296         instruction style function model records
 297
 298         * ld-insn.h (nr_function_model_fields): Define.
 299
 300 Tue Feb 17 16:36:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 301
 302         * igen.c (print_itrace_prefix): Generate call to trace_prefix
 303         instead of trace_one_insn.
 304         (print_itrace): Generate trace_prefix call if any tracing enabled,
 305         (print_itrace): Nest generated call to trace_generic inside
 306         conditional for any tracing enabled.
 307         (print_itrace_prefix): Do not pass PHASE to trace_prefix.
 308
 309 Tue Feb  3 14:00:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 310
 311         * gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro.
 312         * gen-icache.c (print_icache_body): Ditto.
 313         * gen-idecode.c (print_idecode_ifetch): Ditto.
 314
 315         * gen-icache.c (print_icache_body): Mark successive instruction
 316         words as unused.
 317
 318         * ld-insn.c (parse_insn_word): Only report insn-width problems
 319         when warning enabled.
 320
 321         * igen.h: Add flag for warning about invalid instruction widths.
 322         * igen.c: Parse -Wwidth option.
 323
 324         * gen-support.c (gen_support_h): Map instruction_word onto
 325         <PREFIX>_instruction_word when needed.
 326         (print_support_function_name): Use support prefix.
 327         (gen_support_h): Ditto for <PREFIX>_idecode_issue.
 328
 329 Sun Feb  1 11:08:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 330
 331         * gen-support.c (gen_support_h): Generate new macro CPU_.
 332
 333 Sat Jan 31 14:50:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 334
 335         * gen-engine.c (gen_engine_h): Don't assume a model is present.
 336         (gen_engine_c): Ditto.
 337
 338         * igen.c (gen_run_c): Ditto.
 339
 340         * gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of
 341         CPU_CIA.  Parameterize with CPU argument.
 342
 343 Fri Jan 30 09:09:39 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 344
 345         * gen.h (struct _gen_list): Replace processor with model.
 346
 347         * igen.c (gen_idecode_h): Update.
 348         (gen_run_c): For generated switch, use model->full_name.
 349
 350         * gen.c (print_gen_entry_path): Ditto.
 351         (make_table):  Ditto.
 352         (gen_entry_expand_insns):  Ditto.
 353         (make_gen_tables):  Ditto.
 354
 355         * igen.c (gen_run_c): Add extra argument `nr_cpus' to generated
 356         function sim_engine_run.  Pass argument on to engine_run.
 357
 358         * gen-engine.c (print_engine_run_function_header): Add extra
 359         argument `nr_cpus' to generated function engine_run.
 360         (print_run_body): Fix SMP case.
 361
 362         * gen-support.c (support_c_function): Call sim_engine_abort when
 363         internal function fails to long jump.
 364
 365 Wed Jan 21 18:00:22 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 366
 367         * gen-semantics.c (print_semantic_body): Use GPR_SET to zero
 368         hardwired register.
 369
 370 Wed Dec 17 14:49:03 1997  Jeffrey A Law  (law@cygnus.com)
 371
 372         * gen-semantics.c (print_semantic_body): Fix handling of
 373         hardwired zero register.
 374
 375 Tue Dec  9 12:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 376
 377         * igen.h (struct _igen_gen_options): Add member default_model.
 378
 379         * igen.c (gen_run_c): Default to the first machine in the
 380         multi-sim list.
 381         (main): Add MODEL parameter to gen-multi-sim option.
 382
 383         * gen.h (function_decl_type): Declare enum.
 384
 385         * gen-engine.c (print_engine_run_function_header), gen-engine.h:
 386         Make global, pass function_decl_type as argument.
 387         (gen_engine_h, gen_engine_c): Update call.
 388
 389         * gen-idecode.c (print_idecode_issue_function_header),
 390         gen-idecode.h: Pass function_decl_type as argument.
 391
 392         * igen.c (gen_idecode_h): For multi-sim, delcare global variable
 393         idecode_issue.
 394
 395         * igen.c (gen_run_c): For multi-sim, initialize globals
 396         idecode_issue and engine_run.
 397
 398 Fri Nov 14 10:51:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 399
 400         * ld-insn.c (parse_insn_model_record): Allow multiple model names
 401         to be specified in a single instruction model record.
 402         (dump_insn_model_entry): Update.
 403
 404         * ld-insn.h (struct _insn_model_entry): Replace member name with
 405         the filter names.  Document syntax change.
 406
 407 Wed Nov 12 15:45:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 408
 409         * gen-engine.c (print_run_body): Add hooks for adding code before
 410         and after an instruction has been issued.
 411
 412 1997-11-04  Brendan Kehoe  <brendan@lisa.cygnus.com>
 413
 414         * gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of
 415         `#ifdef 0' around this.
 416
 417 Tue Nov  4 08:18:29 1997  Michael Meissner  <meissner@cygnus.com>
 418
 419         * ld-decode.c (load_decode_table): Don't assume NULL is an integer
 420         constant.
 421
 422 Wed Oct 29 13:17:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 423
 424         * ld-insn.h: Document mnemonic string format.
 425
 426 Tue Oct 28 10:50:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 427
 428         * gen-icache.c (print_icache_extraction): Force result of atol to
 429         unsigned.
 430
 431         * ld-insn.c (parse_function_record): Separate handling of old and
 432         ney fynction records.
 433         (load_insn_table): For %s record, hack function name & type after
 434         it has been parsed.
 435
 436         * filter.h (filter_is_subset): Reverse argument names, wrong
 437         order.
 438
 439         * ld-insn.c (load_insn_table): Move include code to.
 440         (parse_include_record): New function.  Check for filtering of
 441         include statement by both flags and models.
 442         (load_insn_table): Check for model filtering of cache and model
 443         records.
 444         (parse_model_data_record): Check for model & flag filtering of
 445         model data records.
 446         (parse_function_record): Check for model & flag filtering of
 447         function records.
 448
 449         * ld-insn.h: Define record_filter_models_field.  Add filter-models
 450         field to all but instruction records.
 451         (struct _function_entry, struct _cache_entry): Add models field.
 452         (nr_function_fields): Make parm field mandatory.
 453
 454 Mon Oct 27 15:14:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 455
 456         * igen.c (main): Change -I option to -I<directory>.  Add optional
 457         size to -Ggen-icache option.  Add -Gno-... support.
 458
 459         * igen.h (struct _igen_options): Add include field.
 460
 461         * ld-insn.c (enum insn_record_type, insn_type_map): Add
 462         include_record.
 463         (load_insn_table): Call table_push when include record.
 464
 465         * table.c (struct _open table, struct table): Make table object an
 466         indirect ptr to the current table file.
 467         (current_line, new_table_entry, next_line): Make file arg type
 468         open_table.
 469         (table_open): Use table_push.
 470         (table_read): Point variable file at current table, at eof, pop
 471         last open table.
 472
 473         * table.h, table.c (table_push): New function.
 474
 475 Thu Oct 16 11:03:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 476
 477         * gen-semantics.c (print_semantic_body): Use CIA not
 478         cia.ip. Escape newlines at end of generated call to
 479         sim_engine_abort.
 480
 481 Tue Oct 14 11:13:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 482
 483         * igen.c (print_itrace): Output line-ref to igen source file when
 484         generating trace statements.
 485         (print_itrace_prefix, print_itrace_format): Escape newline at end
 486         of each line of generated call to trace function.
 487
 488 Mon Oct 13 11:27:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 489
 490         * gen-support.c (gen_support_h): Generate #define NIA. Definition
 491         dependant on gen-delayed-branch mode.
 492
 493         * ld-insn.c (parse_insn_mnemonic_record): Check for opening and
 494         closing double quote in mnemonic field.
 495         (parse_option_record): Add gen-delayed-branch option.
 496
 497 Wed Oct  8 13:10:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 498
 499         * gen.c (insn_list_insert): Missing \n in warning.
 500
 501         * ld-insn.c (load_insn_table): Only notify of discarded
 502         instrctions when warn.discard enabled.
 503
 504         * igen.h: Add option.warn.discard, default enabled.
 505
 506         * igen.c (main): Add -Wnodiscard option.
 507
 508         * ld-insn.c (record_type): For old record type, check the number
 509         of fields is correct.
 510         (load_insn_table): Allow insn assembler and insn model records to
 511         appear in any order.
 512         (parse_insn_model_record): Rename from parse_insn_model_records.
 513         Parse only one record.
 514         (parse_insn_mnemonic_record): Rename from
 515         parse_insn_mnemonic_records.  Parse only one record.
 516
 517 Tue Sep 23 15:52:06 1997  Felix Lee  <flee@yin.cygnus.com>
 518
 519         * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
 520         illegal zero-sized array.
 521         (itable_print_set): likewise, avoid empty initializers.
 522
 523 Mon Sep 22 18:49:07 1997  Felix Lee  <flee@cygnus.com>
 524
 525         * configure.in: i386-windows is a cross, so don't expect
 526         libiberty to be there.
 527         * configure: updated.
 528
 529 Fri Sep 19 10:36:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 530
 531         * igen.c (print_function_name): Put the format name after the
 532         function / instruction name, not before.
 533         (print_itrace): Better format trace code.
 534
 535 Tue Sep 16 11:01:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 536
 537         * gen.c (insns_bit_useless): Don't treat string fields restricted
 538         to a range of values as useless.
 539
 540 Mon Sep 15 15:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 541
 542         * igen.c (gen_run_c): Handle non-multi-sim case.
 543
 544         * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
 545         Define CIA from cia.
 546
 547 Thu Sep 11 10:27:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 548
 549         * gen-semantics.c (print_semantic_body): Trace the instruction
 550         after it has been validated.
 551         (print_semantic_body): Count the instruction using sim-profile.
 552
 553 Wed Sep 10 13:35:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 554
 555         * gen-itable.c (gen_itable_h): Collect summary info on instruction
 556         table when traversing it.
 557         (gen_itable_h): Output an enum defining the max size of each of
 558         the itable string members.
 559
 560 Tue Sep  9 03:30:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 561
 562         * igen.c (gen_run_c): New function. Generate sim_engine_run that
 563         looks at the currently selected architecture.
 564
 565         * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
 566         one engine per model.
 567
 568         * gen-semantics.c, gen-icache.c gen-support.c:
 569         Update.
 570
 571         * ld-insn.h, ld-insn-h (load_insn_table): Rewrite.  table.h only
 572         returns a line at a time.  Parse multi-word instructions.  Add
 573         multi-sim support.
 574
 575         * table.h, table.c: Simplify.  Only parse a single line at a time.
 576         ld-insn can handle the rest.
 577
 578         * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
 579         filter_is_common, filter_is_member, filter_next): New filter
 580         operations.
 581         (dump_filter): Ditto.
 582
 583         * gen.h, gen.c: New file.  Takes the insn table and turns it into
 584         a set of decode tables and semantic functions.
 585
 586         * ld-insn.c: Copy generator code from here.
 587         * gen.c: To here.
 588
 589 Fri Aug  8 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 590
 591         * misc.h (NZALLOC): Allocate an N element array of TYPE.
 592
 593         * table.h, table.c: Simplify table parser so that it only
 594         understands colon delimited lines and code blocks.
 595         (table_read): Parse '{' ... '}' as a code block.
 596         (table_print_code): New function, print out a code block to file.
 597         (main): Add suport for standalone testing.
 598
 599         * ld-insn.h, ld-insn.c:
 600
 601
 602 Mon Sep  1 11:41:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 603
 604         * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
 605         (print_jump_definition, print_jump, print_jump_internal_function,
 606         print_jump_insn, print_jump_until_stop_body): Delete, moved to
 607         sim-engine.c
 608
 609         * igen.c (print_itrace_format): Delete unused variable chp.
 610         (gen-engine.h): Include.
 611
 612         * table.c (current_file_name, current_line_entry,
 613         current_line_entry): Make static.
 614
 615 Wed Aug  6 12:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 616
 617         * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
 618         RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
 619         * configure.in: Include simulator common/aclocal.m4.
 620         * configure.in: Add --enable-sim-warnings option.
 621         * configure: Re-generate.
 622
 623         * Makefile.in: Use.
 624
 625         * Makefile.in (tmp-filter): New rule.
 626         (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
 627         ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
 628
 629         * gen.h, gen.c: New files.
 630
 631         * Makefile.in (gen.o, tmp-gen): New rules, update all
 632         dependencies.
 633
 634 Tue Jun 24 11:46:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 635
 636         * ld-insn.c (load_insn_table): Accept %s as a function type.
 637
 638 Thu Jun  5 17:14:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 639
 640         * igen.c (print_itrace_prefix): Move printing of insn prefix to
 641         here.
 642         (print_itrace_format): Drop printing of MY_NAME in instruction
 643         trace.  Printing of insn prefix moved.
 644         (print_itrace): Ditto.
 645
 646 Fri May 30 11:27:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 647
 648         * gen-icache.c (print_icache_function_header): Pass
 649         table_line_entry instead of separate file and line.
 650
 651         * table.c (table_entry_read): Set assembler source file/line-nr to
 652         the current not initial file.
 653         (table_entry_read): Fix line numbering of source files.
 654
 655         table.h (table_line_entry): New structure.  Exactly specifies a
 656         source file/line-nr.
 657         (table_*_entry): Add this to all.
 658
 659         table.c (table_entry_print_cpp_line_nr): Change to use values from
 660         a table_line_entry struct.
 661         (table_entry_read): Save table_line_entry in all structures read.
 662
 663         gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
 664         gen-model.c: Update all references.
 665
 666 Thu May 29 10:29:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 667
 668         * igen.c (print_my_defines): Define MY_NAME - a string.  For
 669         MY_PREFIX, undefine the name of the function incase some dumb
 670         header defined it.  it.
 671         (print_itrace): Use MY_NAME not MY_PREFIX.
 672
 673         * lf.c (lf_write): New function write an N character buffer to the
 674         file.
 675
 676         * igen.c (print_itrace): When available, use the assembler to
 677         print the insn-trace.
 678         (print_itrace_prefix): New function, print first part of call to
 679         print_one_insn.
 680         (print_itrace_format): New function, print fmt argument for
 681         print_one_insn.
 682
 683         * table.c (table_entry_read): Save any assembler lines instead of
 684         discarding them.
 685
 686 Wed May 28 09:55:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 687
 688         * gen-icache.c (print_icache_body): Process immeds.
 689
 690         * gen-semantics.c (print_semantic_body): When computing NIA, skip
 691         any immed words that follow the instruction word.
 692
 693         * ld-insn.c (parse_insn_format): Parse immeds appended to an
 694         instruction.
 695
 696         * igen.c (main): Allow any register to be specified as the zero
 697         register.
 698         (semantic_zero_reg): Global, index to zero register.
 699
 700         * gen-semantics.c (print_semantic_body): Zero selected register.
 701
 702 Tue May 27 14:12:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 703
 704         * igen.h: Stop options and code gen type bit masks overlaping.
 705
 706 Fri May 23 12:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 707
 708         * gen-semantics.c (print_semantic_body): Incorrect test for
 709         zero-r0 code.
 710
 711 Fri May 16 14:32:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 712
 713         * gen-semantics.c (print_semantic_body): Use common sim-engine
 714         interface.
 715
 716 Fri May 16 11:48:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 717
 718         * gen-semantics.c (print_semantic_body): Add code to clear r0.
 719
 720         * igen.c (main): Add new option zero-r0, which adds code to clear
 721         GPR(0) each cycle.
 722
 723 Wed May  7 12:31:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 724
 725         * igen.c (print_itrace): Fix so line-nr is passed to trace
 726         function.
 727
 728         * gen-idecode.c (print_idecode_validate): Correct FP code.
 729
 730         * gen-support.c (gen_support_h): Always pass MY_INDEX to support
 731         functions.
 732         (print_support_function_name): Ditto.
 733
 734 Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>
 735
 736         * igen.c (print_itrace): Call trace_one_insn to trace
 737         instructions, rather than doing it directly.
 738
 739 Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>
 740
 741         * gen-engine.c (engine_switch_leaf): Remove extra %s.
 742         (print_engine_floating_point_unavailable): Wrap in #ifdef
 743         UNUSED/#endif, until somebody uses it.
 744
 745         * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
 746         variable.
 747         (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
 748         somebody uses it.
 749         (print_idecode_validate): Use long formats to print long values.
 750
 751         * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
 752         if we get an unexpected type.
 753
 754 Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 755
 756         * igen.c (print_itrace): Pass SD as well as CPU to calls to
 757         trace_printf.
 758
 759         * gen-support.c (gen_support_h): Always pass sim_cia cia to
 760         support functions.
 761         (print_support_function_name): Ditto.
 762
 763 Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 764
 765         * gen-support.c (support_c_function): Remove unnecessary memset of
 766         cia.
 767         * gen-semantics.c (print_semantic_body): Wasn't closing
 768         generated comment.
 769
 770 Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 771
 772         * ld-insn.c (load_insn_table): Report instructions that do not
 773         have at least a format and name.
 774         (insn_table_find_opcode_field): Check progress is being made.
 775
 776         * gen-support.c (support_c_function): Report empty function body.
 777
 778 Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 779
 780         * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
 781         be broken up.
 782         (insn_table_expand_insns): Allow special rules to apply to groups
 783         of instructions when all members of the group match the special
 784         mask/value.
 785
 786         * gen-semantics.c (print_c_semantic): Ditto.
 787         * igen.c (print_semantic_function_formal): Ditto.
 788         (print_semantic_function_type): Ditto.
 789         * igen.c (print_icache_function_formal): Ditto.
 790         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 791
 792         * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
 793         instruction_address type.
 794
 795         * gen-semantics.c (print_semantic_body): Call cpu_error when an
 796         unimplemented instruction is encountered - gives the interpreter
 797         the chance to stop correctly.
 798
 799 Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 800
 801         * igen.c (print_function_name): Allow dot's in instruction names.
 802
 803 Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 804
 805         * igen.c (main), igen.h: Support new option - delayed-branch -
 806         generate code to drive a delayed branch processor.
 807
 808         * gen-idecode.c (gen_idecode_h): Define instruction_address type.
 809
 810         * igen.c (print_icache_function_formal): Replace address_word with
 811         instruction_address.
 812         (print_semantic_function_formal): Ditto.
 813         (print_semantic_function_type): Ditto.
 814         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 815
 816         * gen-semantics.c (print_semantic_body): Ditto.
 817         (print_c_semantic): Ditto.
 818
 819         * gen-support.c (support_c_function): Return a zeroed CIA instead
 820         of just zero - works with any cia type.
 821
 822         * igen.c (print_itrace): For delayed branch case, print just the
 823         current instruction.
 824
 825 Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>
 826
 827         * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
 828
 829 Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>
 830
 831         * Makefile.in (INSTALL): Set to @INSTALL@.
 832         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 833
 834 Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>
 835
 836         * Makefile.in (INSTALL): Change install.sh to install-sh.
 837
 838 Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 839
 840         * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
 841         * gen-idecode.c (gen_idecode_c): Likewise.
 842         * igen.c (gen_semantics_c): Likewise.
 843
 844 Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 845
 846         * gen-icache.c (print_icache_body): No longer define cpu/sd,
 847         support.h now defines CPU/SD globally.
 848
 849         * gen-model.c (gen_model_h): Ditto.
 850
 851         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 852         (print_jump): Ditto.
 853         (print_jump_until_stop_body): Ditto.
 854         (print_idecode_validate): Ditto.
 855
 856         * gen-icache.c (print_icache_body): Ditto.
 857
 858         * gen-semantics.c (print_semantic_body): Ditto.
 859
 860         * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 861         processor to cpu.
 862         (print_icache_function_formal): Ditto.
 863
 864         * gen-support.c (print_support_function_name): Include sd/cpu arg
 865         in support function argument list.
 866         (support_c_function): Generate code to cpu/sd from sd/cpu.
 867         (gen_support_h): Define _SD the argument prefix for all support
 868         functions.  Define SD/CPU to determine sd/cpu from value of _SD
 869         macro.
 870
 871 Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 872
 873         * gen-support.c (gen_support_c): Update for renaming of engine to
 874         sim-state.
 875
 876         * igen.c: Ditto.
 877         * gen-idecode.c (gen_idecode_c): Ditto.
 878
 879 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 880
 881         * ld-decode.c (load_decode_table): Rename slash to reserved.
 882         (dump_decode_rule): Ditto.
 883
 884         * ld-insn.c (parse_insn_format): Differentiate between a `/' -
 885         reserved bit - and a `*' - wild card.
 886         (parse_insn_format): Change is_slash to more informative reserved.
 887         (dump_insn_field): Ditto.
 888         (insn_field_is_constant): Ditto.
 889         (insn_table_expand_opcode): Ditto.
 890
 891         * gen-idecode.c (print_idecode_validate): Make check_mask and
 892         check_val the correct integer size.
 893         (print_idecode_validate): Fix reserved bit check for 64 bit
 894         targets.
 895
 896 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 897
 898         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 899         `/' in bit fields.  `/' denotes a wild bit.
 900
 901 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 902
 903         * igen.h, igen.c (main): New options. Control generation of
 904         conditional issue and slot verification code.
 905
 906 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 907
 908         * gen-support.c (print_support_function_name): Prepend the global
 909         name prefix when applicable.  Provide #define to map the user
 910         specified name the generated globaly unique one.
 911
 912 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 913
 914         * gen-idecode.c (print_idecode_validate): Wrap each of the checks
 915         - reserved bits, floating point and slot validation - with a
 916         #ifdef so that they are optional.
 917
 918 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 919
 920         * gen-idecode.c (error_leaf_contains_multiple_insn): New function
 921         - report the error of a leaf node in the decision tree containing
 922         several instructions.
 923         (print_idecode_table_leaf): Detect a leaf with multiple instructions.
 924         (print_idecode_switch_leaf): Ditto.
 925
 926         * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
 927         print_idecode_invalid): Rename former to latter.  Add argument so
 928         that one function can generate all invalid instruction cases -
 929         illegal, fp-unavailable, wrong-slot.
 930         * gen-engine.c: Update.
 931
 932         * gen-idecode.c: Use print_idecode_invalid to generate a function
 933         call for cases when fp-unavailable and the slot is wrong.
 934
 935         * gen-idecode.c (print_idecode_validate): New check, generate code
 936         to verify that the instruction slot is correct.
 937
 938         * igen.c (main): Simplify options.
 939
 940 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 941
 942         * igen.c (print_itrace): Remove source line reference for trace
 943         code - let the user see the generated file.
 944         (print_itrace): Print the trace code rather than reference a
 945         macro.
 946
 947 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 948
 949         * igen.c (print_semantic_function_actual): Pass either the
 950         processor - smp - or the engine - mono - into semantic functions.
 951         Don't pass in both.
 952
 953         * gen-icache.c (print_icache_body): Dependant on smp, derive
 954         processor from engine or engine from processor, and hence ensuring
 955         that both are defined in all semantic functions.
 956
 957 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 958
 959         * ld-insn.c (parse_insn_format): Make the width field optional.
 960         If missing assume that the number of characters in the value
 961         determines the number of bits in the field.
 962
 963 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 964
 965         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
 966         more useful error message.
 967
 968 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 969
 970         * misc.c (error): Output errors on stderr.
 971
 972         * ld-insn.c (parse_insn_format): Skip any leading spaces.
 973         Verify the width of instructions being parsed.
 974
 975         * table.c (table_entry_read): Parse CPP's convention for
 976         specifying original file name/line-nr.
 977
 978 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 979
 980         * ld-insn.c (parse_insn_format): Allow trailing spaces in
 981         instruction fields.
 982
 983         * Makefile.in: Create using ../ppc/Makefile.in as a starting
 984         point.
 985         * configure.in: Ditto vis ../ppc/configure.in
 986
 987 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 988
 989         * gen-support.c (gen_support_c): Always include engine.h instead
 990         of cpu.h
 991         * gen-idecode.c (gen_idecode_c): Ditto.
 992
 993         * words.h (instruction_word): Remove instruction_word - now
 994         generated by igen.
 995         (address_word): New.  Used by igen.
 996
 997         * lf.c (lf_print_function_type_function): New, pass a function to
 998         print out the type instead of a constant string.
 999
1000         * igen.h, igen.c (print_semantic_function_formal,
1001         SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
1002         (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
1003         (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
1004         (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
1005         (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
1006         (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
1007         * gen-idecode.c (print_idecode_table): Update.
1008         (idecode_switch_leaf): Update.
1009         (print_idecode_switch_function_header): Ditto.
1010         (print_idecode_floating_point_unavailable): Ditto.
1011         (print_idecode_issue_function_header): Ditto.
1012         * igen.c (gen_icache_h): Ditto.
1013         * gen-engine.c (print_engine_table): Ditto.
1014         (engine_switch_leaf): Ditto.
1015         * gen-support.c (print_support_function_name): Ditto.
1016         * gen-semantics.c (print_semantic_function_header): Update.
1017         Update.
1018         * gen-icache.c (print_icache_function_header): Update.
1019         (print_icache_function): Update.
1020         (print_icache_internal_function_declaration): Update.
1021         (print_icache_internal_function_definition): Update.
1022
1023         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
1024         files, will at some stage need to move it into support.
1025
1026         * igen.h, igen.c (main): New option -e <engine> - generate a full
1027         simulation engine.  Previously this was the -d <idecode-file>
1028         option.
1029         * gen-engine.h, gen-engine.c: Copies of gen-idecode.*.  Will need
1030         to clean these up so that that call upon the updated gen-idecode
1031         code.
1032
1033         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
1034         generating a decode table.
1035
1036         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
1037
1038         * igen.h, igen.c (main): New option -M - Control what is returned
1039         by semantic functions - -1/NIA vs CIA+N/NIA.  Add
1040         generate_semantic_returning_modified_nia_only to igen_code enum.
1041         * gen-semantics.c (print_semantic_body): As an alternative, make
1042         NIA == -1 instead of CIA+insn_size by default.
1043
1044         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
1045         New option -P <prefix> - Prepend all generated functions with the
1046         specified prefix.
1047         (gen_idecode_c): Adjust.
1048         * gen-icache.c (print_icache_struct): Ditto.
1049         * gen-support.c (gen_support_c): Ditto.
1050
1051 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1052
1053         * igen.c (main): Correct usage. Missleading message about ucase
1054         options dumping internal tables.  -F now includes rather then
1055         excludes instructions.
1056
1057         * misc.h, misc.c (a2i): Make 64bit.
1058
1059         * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
1060         max to 64bits, expect trouble.  Make the default 32 bits.
1061         * gen-idecode.c (print_idecode_table): Change EXTRACTED*
1062         et.al. macro's to use the insn_bit_size instead of assuming 32
1063         bits.
1064         * gen-icache.c (print_icache_extraction): Ditto.
1065         * gen-idecode.c (idecode_switch_start): Ditto.
1066         * gen-idecode.c (gen_idecode_c): Ditto
1067
1068         * igen.h (insn_specifying_widths), igen.c (main): New option -W.
1069         Indicates that the instruction field of the table is specifying
1070         bit widths instead of bit offsets.
1071         * ld-insn.c (parse_insn_format): Parse instruction fields
1072         specifying widths.
1073
1074         * misc.c (a2i): Allow binary numbers to be specified using the
1075         syntax 0bNNNN.
1076         * ld-insn.c: Allow such numbers to appear in the instruction
1077         format.
1078
1079         * table.c (table_entry_read): Make // a valid comment character.
1080         (table_entry_read): Skip lines containing a leading " - these may
1081         eventually be used in a disasembler.
1082
1083 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1084
1085         * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
1086         gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
1087         gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
1088         gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
1089         ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
1090         ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
1091         from the ../ppc directory.
1092
1093         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
1094         renaming from filter_filename.[hc]