sim/igen/ChangeLog

   1 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
   2
   3         * configure.ac: Delete AC_CONFIG_AUX_DIR.
   4         * configure: Re-generate.
   5
   6 2005-01-07  Andrew Cagney  <cagney@gnu.org>
   7
   8         * configure.ac: Rename configure.in, require autoconf 2.59.
   9         * configure: Re-generate.
  10
  11 2003-05-03  Chris Demetriou  <cgd@broadcom.com>
  12
  13         * compare_igen_models: Tweak attribution slightly.
  14
  15 2002-11-22  Andrew Cagney  <cagney@redhat.com>
  16
  17         * gen.c (name_cmp): Rename format_name_cmp.
  18         (insn_list_insert): When a merge, compare the format name and
  19         instruction name.  Add trace messages.
  20
  21 2002-11-21  Andrew Cagney  <ac131313@redhat.com>
  22
  23         * filter.c: Re-indent.
  24         * filter.h, filter_host.h, gen-engine.c, gen-engine.h: Ditto.
  25         * gen-icache.c, gen-icache.h, gen-idecode.c: Ditto.
  26         * gen-idecode.h, gen-itable.c, gen-itable.h: Ditto.
  27         * gen-model.c, gen-model.h, gen-semantics.c: Ditto.
  28         * gen-semantics.h, gen-support.c, gen-support.h: Ditto.
  29         * gen.c, gen.h, igen.c, igen.h, ld-cache.c, ld-cache.h: Ditto.
  30         * ld-decode.c, ld-decode.h, ld-insn.c, ld-insn.h, lf.c: Ditto.
  31         * lf.h, misc.c, misc.h, table.c, table.h: Ditto.
  32
  33 2002-11-21  Andrew Cagney  <ac131313@redhat.com>
  34
  35         * Makefile.in: Update copyright.  IGEN contributed to the FSF.
  36         * filter.c, filter.h, filter_host.c, filter_host.h: Ditto.
  37         * gen-engine.c, gen-engine.h, gen-icache.c, gen-icache.h: Ditto.
  38         * gen-idecode.c, gen-idecode.h, gen-itable.c: Ditto.
  39         * gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c: Ditto.
  40         * gen-semantics.h, gen-support.c, gen-support.h, gen.c: Ditto.
  41         * gen.h, igen.c, igen.h, ld-cache.c, ld-cache.h: Ditto.
  42         * ld-decode.c, ld-decode.h, ld-insn.c, ld-insn.h, lf.c: Ditto.
  43         * lf.h, misc.c, misc.h, table.c, table.h: Ditto.
  44
  45 2002-11-06  Richard Sandiford  <rsandifo@redhat.com>
  46
  47         * gen-engine.c (print_engine_issue_prefix_hook): Don't add the
  48         global prefix to ENGINE_ISSUE_PREFIX_HOOK.
  49         (print_engine_issue_postfix_hook): Likewise ENGINE_ISSUE_POSTFIX_HOOK.
  50
  51 2002-08-28  Dave Brolley  <brolley@redhat.com>
  52
  53         * gen-support.c (gen_support_h): Generate
  54         '#define semantic_illegal <PREFIX>_semantic_illegal'.
  55
  56 2002-08-22  Chris Demetriou  <cgd@broadcom.com>
  57
  58         * compare_igen_models: New script.
  59
  60 2002-06-17  Andrew Cagney  <cagney@redhat.com>
  61
  62         * gen.c (gen_entry_expand_opcode): Initialize ``value'' to -1 and
  63         ``t'' to NULL.
  64         * igen.c (main): Add default case to switch.
  65         * gen-icache.c (print_icache_extraction): Ditto.
  66
  67 2002-06-17  Andrew Cagney  <cagney@redhat.com>
  68
  69         * Makefile.in (BUILD_CFLAGS): Remove -O0.
  70
  71 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  72
  73         * configure: Regenerated to track ../common/aclocal.m4 changes.
  74
  75 2002-06-03  Richard Henderson  <rth@redhat.com>
  76
  77         * gen-engine.c (print_run_body): Avoid multi-line strings.
  78         * lf.c (lf_print__gnu_copyleft): Likewise.
  79
  80 2002-05-01  Chris Demetriou  <cgd@broadcom.com>
  81
  82         * igen.c: Use 'deprecated' rather than 'depreciated.'
  83
  84 2002-03-23  Andrew Cagney  <ac131313@redhat.com>
  85
  86         * gen.c (format_name_cmp): New function.
  87         (insn_list_insert): Use the instruction field name as an
  88         additional key.  Different field names indicate different
  89         semantics.
  90
  91 2002-03-07  Chris Demetriou  <cgd@broadcom.com>
  92
  93         * igen.c (print_itrace_format): Add support for a new "%#lx" format.
  94
  95 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  96
  97         * configure: Regenerated to track ../common/aclocal.m4 changes.
  98
  99 2000-04-12  Frank Ch. Eigler  <fche@redhat.com>
 100
 101         * gen-semantics.c (print_semantic_body): Use GPR_CLEAR(N) instead
 102         of GPR_SET(N,0) for gen-zero-rN.
 103
 104 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 105
 106         * Makefile.in (SIM_WARNINGS): Replace this with.
 107         (IGEN_WERROR_CFLAGS, IGEN_WARN_CFLAGS, WERROR_CFLAGS,
 108         WARN_CFLAGS): With these.
 109         (BUILD_CFLAGS): Update.
 110
 111         * configure: Regenerated to track ../common/aclocal.m4 changes.
 112
 113 1999-05-08  Felix Lee  <flee@cygnus.com>
 114
 115         * configure: Regenerated to track ../common/aclocal.m4 changes.
 116
 117 Fri Dec  4 15:14:09 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 118
 119         * igen.c (main): Fix -Pitable=.
 120
 121         * gen-engine.c (print_run_body): Prefix instruction_address.
 122
 123 Wed Oct 28 18:12:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 124
 125         * Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4
 126         changes.
 127
 128 Wed Aug 12 10:55:28 1998  Frank Ch. Eigler  <fche@cygnus.com>
 129
 130         * gen-icache.c (print_icache_extraction): #undef a generated
 131         symbol before #define'ing it, to remove conflict with system
 132         macros.
 133
 134 Wed Jul 29 10:07:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 135
 136         * gen.c (gen_entry_expand_opcode): For conditional, fields.  Fix
 137         the extraction of the value from its source - both table and bit
 138         cases were wrong.
 139
 140 Tue Jul 28 11:19:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 141
 142         * ld-insn.c (parse_insn_word): For constant conditional strings,
 143         encode their bit value.
 144
 145         * ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional
 146         operands to refer to fields in earlier instruction words.
 147
 148         * gen.c (sub_val): Replace field argument with val_last_pos.
 149         (gen_entry_expand_opcode): Look in previous tables for a value for
 150         a conditional field as well as the bits from the current table.
 151         (insn_list_insert): Add sort key of instructions where
 152         their operand fields have different conditionals.
 153         (insn_field_cmp): New function.
 154
 155 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 156
 157         * configure: Regenerated to track ../common/aclocal.m4 changes.
 158         * config.in: Ditto.
 159
 160 Sun Apr 26 15:20:08 1998  Tom Tromey  <tromey@cygnus.com>
 161
 162         * acconfig.h: New file.
 163         * configure.in: Reverted change of Apr 24; use sinclude again.
 164
 165 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 166
 167         * configure: Regenerated to track ../common/aclocal.m4 changes.
 168         * config.in: Ditto.
 169
 170 Fri Apr 24 11:19:33 1998  Tom Tromey  <tromey@cygnus.com>
 171
 172         * configure.in: Don't call sinclude.
 173
 174 Fri Apr 24 19:45:00 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 175
 176         * gen-icache.c (print_icache_extraction): Do not type cast
 177         pointers.
 178
 179         * ld-insn.c (load_insn_table): Terminate error with NL.
 180
 181         * gen.c (insns_bit_useless): Perform unsigned bit comparisons.
 182
 183         * filter.c (is_filtered_out, filter_parse): Pacify GCC, len is
 184         unsigned.
 185
 186 Wed Apr 22 14:27:39 1998  Michael Meissner  <meissner@cygnus.com>
 187
 188         * configure: Reconfigure to pick up ../common/aclocal.m4 changes
 189         to suppress inlining by default.
 190
 191 Tue Apr 21 01:37:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 192
 193         * gen-icache.c (print_icache_extraction): When generating #define
 194         force the expression to the correct type.
 195
 196 Thu Apr 16 08:50:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 197
 198         * misc.c (name2i): strlen returns an unsigned.
 199
 200 Tue Apr 14 19:04:28 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * igen.h (struct igen_warn_options): Add unimplemented option.
 203         * igen.c (main): Update
 204
 205         * ld-insn.c (load_insn_table): Report unimplemented functions.
 206
 207 Tue Apr 14 10:57:26 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 208
 209         * ld-insn.c (parse_insn_word): Treat `!' and `=' as valid
 210         separator tokens when parsing a conditional.
 211
 212         * igen.h (main): Add option -S so that suffix can be specified.
 213
 214 Tue Apr 14 08:44:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 215
 216         * igen.h (struct igen_trace_options): Add members insn_expansion
 217         and insn_insertion.
 218
 219         * igen.c (main): Add options -Gtrace-insn-expansion,
 220         -Gtrace-insn-insertion and -Gtrace-all.
 221
 222         * gen.c (gen_entry_expand_insns): Trace each instruction as it is
 223         selected for expansion.
 224         (gen_entry_expand_opcode): Trace each expanded instruction as it
 225         is inserted into the table.
 226
 227 Mon Apr 13 19:21:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 228
 229         * ld-insn.c (parse_insn_word): Parse conditional operators.
 230         (parse_insn_word): Verify field conditionals.
 231
 232         * ld-insn.h: Extend syntax to allow macros and field equality.
 233         (struct insn_field_cond): Rename insn_field_exclusion, add type.
 234
 235         * gen.c (gen_entry_expand_opcode): Check type of conditional.
 236         (insns_bit_useless): Ditto.
 237
 238         * ld-insn.c (parse_macro_record): New function.
 239
 240 Mon Apr 13 22:37:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 241
 242         * ld-insn.h (enum insn_field_type): Add insn_field_invalid.
 243
 244         * ld-insn.c (parse_insn_word): Check instruction field type
 245         correctly initialized.
 246         (print_insn_words): Ditto.
 247         (insn_field_type_to_str): Ditto.
 248         (dump_insn_field): Ditto.
 249
 250         * gen.c (insns_bit_useless): Ditto.
 251
 252 Fri Apr  3 18:08:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * gen.h, igen.c (print_include_inline, print_includes,
 255         print_includes): New functions.  Generate include list.  For for
 256         semantics et.al. generate CPP code to inline when
 257         C_REVEALS_MODULE_P.
 258
 259         * igen.c (gen_semantics_c): Call print_includes.
 260         * gen-engine.c (gen_engine_c): Ditto.
 261
 262 Sat Apr  4 21:09:11 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 263
 264         * igen.h: (struct _igen_name_option): Replace with struct
 265         igen_module_option. Contains both module prefix and suffix.
 266         (INIT_OPTIONS): Initialize.
 267
 268         * igen.c (main): Update -P option to fill in full module info.
 269         (gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c,
 270         gen-support.c): Update.
 271
 272 Sat Apr  4 02:15:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 273
 274         * igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any
 275         tracing is needed.
 276
 277 Thu Mar 26 20:51:23 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 278
 279         * table.c (table_push):  Redo, using stdio.  Fixes NT native
 280         problem with <CRLF>=><LF> translation...
 281
 282 Tue Mar 24 23:30:07 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 283
 284         * gen-engine.c (print_run_body): Re-extract the CIA after
 285         processing any events.
 286
 287 Tue Mar 24 17:46:08 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 288
 289         * Makefile.in:  Get SHELL from configure.
 290         * configure:  Regenerate with autoconf 2.12.1 to fix shell issues for
 291         NT native builds.
 292
 293 Mon Mar 16 12:51:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 294
 295         * igen.c: Pass sim_cia to trace_prefix.
 296
 297 Thu Feb 26 19:25:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * ld-insn.c (parse_function_record): Check models are valid.
 300         (parse_function_record): Only discard function when no model is
 301         common.
 302
 303 Tue Feb 24 01:42:03 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 304
 305         * gen-engine.c (print_run_body): Always wrap generated idecode
 306         body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK.
 307
 308 Fri Feb 20 16:22:10 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 309
 310         * ld-insn.c (parse_function_record): When -Wnodiscard, suppress
 311         discarded function warning.
 312
 313         * igen.c (main): Clarify -Wnodiscard.
 314
 315         * ld-insn.c (parse_function_record): For functions, allow use of
 316         instruction style function model records
 317
 318         * ld-insn.h (nr_function_model_fields): Define.
 319
 320 Tue Feb 17 16:36:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 321
 322         * igen.c (print_itrace_prefix): Generate call to trace_prefix
 323         instead of trace_one_insn.
 324         (print_itrace): Generate trace_prefix call if any tracing enabled,
 325         (print_itrace): Nest generated call to trace_generic inside
 326         conditional for any tracing enabled.
 327         (print_itrace_prefix): Do not pass PHASE to trace_prefix.
 328
 329 Tue Feb  3 14:00:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 330
 331         * gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro.
 332         * gen-icache.c (print_icache_body): Ditto.
 333         * gen-idecode.c (print_idecode_ifetch): Ditto.
 334
 335         * gen-icache.c (print_icache_body): Mark successive instruction
 336         words as unused.
 337
 338         * ld-insn.c (parse_insn_word): Only report insn-width problems
 339         when warning enabled.
 340
 341         * igen.h: Add flag for warning about invalid instruction widths.
 342         * igen.c: Parse -Wwidth option.
 343
 344         * gen-support.c (gen_support_h): Map instruction_word onto
 345         <PREFIX>_instruction_word when needed.
 346         (print_support_function_name): Use support prefix.
 347         (gen_support_h): Ditto for <PREFIX>_idecode_issue.
 348
 349 Sun Feb  1 11:08:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 350
 351         * gen-support.c (gen_support_h): Generate new macro CPU_.
 352
 353 Sat Jan 31 14:50:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 354
 355         * gen-engine.c (gen_engine_h): Don't assume a model is present.
 356         (gen_engine_c): Ditto.
 357
 358         * igen.c (gen_run_c): Ditto.
 359
 360         * gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of
 361         CPU_CIA.  Parameterize with CPU argument.
 362
 363 Fri Jan 30 09:09:39 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 364
 365         * gen.h (struct _gen_list): Replace processor with model.
 366
 367         * igen.c (gen_idecode_h): Update.
 368         (gen_run_c): For generated switch, use model->full_name.
 369
 370         * gen.c (print_gen_entry_path): Ditto.
 371         (make_table):  Ditto.
 372         (gen_entry_expand_insns):  Ditto.
 373         (make_gen_tables):  Ditto.
 374
 375         * igen.c (gen_run_c): Add extra argument `nr_cpus' to generated
 376         function sim_engine_run.  Pass argument on to engine_run.
 377
 378         * gen-engine.c (print_engine_run_function_header): Add extra
 379         argument `nr_cpus' to generated function engine_run.
 380         (print_run_body): Fix SMP case.
 381
 382         * gen-support.c (support_c_function): Call sim_engine_abort when
 383         internal function fails to long jump.
 384
 385 Wed Jan 21 18:00:22 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 386
 387         * gen-semantics.c (print_semantic_body): Use GPR_SET to zero
 388         hardwired register.
 389
 390 Wed Dec 17 14:49:03 1997  Jeffrey A Law  (law@cygnus.com)
 391
 392         * gen-semantics.c (print_semantic_body): Fix handling of
 393         hardwired zero register.
 394
 395 Tue Dec  9 12:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 396
 397         * igen.h (struct _igen_gen_options): Add member default_model.
 398
 399         * igen.c (gen_run_c): Default to the first machine in the
 400         multi-sim list.
 401         (main): Add MODEL parameter to gen-multi-sim option.
 402
 403         * gen.h (function_decl_type): Declare enum.
 404
 405         * gen-engine.c (print_engine_run_function_header), gen-engine.h:
 406         Make global, pass function_decl_type as argument.
 407         (gen_engine_h, gen_engine_c): Update call.
 408
 409         * gen-idecode.c (print_idecode_issue_function_header),
 410         gen-idecode.h: Pass function_decl_type as argument.
 411
 412         * igen.c (gen_idecode_h): For multi-sim, delcare global variable
 413         idecode_issue.
 414
 415         * igen.c (gen_run_c): For multi-sim, initialize globals
 416         idecode_issue and engine_run.
 417
 418 Fri Nov 14 10:51:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 419
 420         * ld-insn.c (parse_insn_model_record): Allow multiple model names
 421         to be specified in a single instruction model record.
 422         (dump_insn_model_entry): Update.
 423
 424         * ld-insn.h (struct _insn_model_entry): Replace member name with
 425         the filter names.  Document syntax change.
 426
 427 Wed Nov 12 15:45:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 428
 429         * gen-engine.c (print_run_body): Add hooks for adding code before
 430         and after an instruction has been issued.
 431
 432 1997-11-04  Brendan Kehoe  <brendan@lisa.cygnus.com>
 433
 434         * gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of
 435         `#ifdef 0' around this.
 436
 437 Tue Nov  4 08:18:29 1997  Michael Meissner  <meissner@cygnus.com>
 438
 439         * ld-decode.c (load_decode_table): Don't assume NULL is an integer
 440         constant.
 441
 442 Wed Oct 29 13:17:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 443
 444         * ld-insn.h: Document mnemonic string format.
 445
 446 Tue Oct 28 10:50:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 447
 448         * gen-icache.c (print_icache_extraction): Force result of atol to
 449         unsigned.
 450
 451         * ld-insn.c (parse_function_record): Separate handling of old and
 452         ney fynction records.
 453         (load_insn_table): For %s record, hack function name & type after
 454         it has been parsed.
 455
 456         * filter.h (filter_is_subset): Reverse argument names, wrong
 457         order.
 458
 459         * ld-insn.c (load_insn_table): Move include code to.
 460         (parse_include_record): New function.  Check for filtering of
 461         include statement by both flags and models.
 462         (load_insn_table): Check for model filtering of cache and model
 463         records.
 464         (parse_model_data_record): Check for model & flag filtering of
 465         model data records.
 466         (parse_function_record): Check for model & flag filtering of
 467         function records.
 468
 469         * ld-insn.h: Define record_filter_models_field.  Add filter-models
 470         field to all but instruction records.
 471         (struct _function_entry, struct _cache_entry): Add models field.
 472         (nr_function_fields): Make parm field mandatory.
 473
 474 Mon Oct 27 15:14:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 475
 476         * igen.c (main): Change -I option to -I<directory>.  Add optional
 477         size to -Ggen-icache option.  Add -Gno-... support.
 478
 479         * igen.h (struct _igen_options): Add include field.
 480
 481         * ld-insn.c (enum insn_record_type, insn_type_map): Add
 482         include_record.
 483         (load_insn_table): Call table_push when include record.
 484
 485         * table.c (struct _open table, struct table): Make table object an
 486         indirect ptr to the current table file.
 487         (current_line, new_table_entry, next_line): Make file arg type
 488         open_table.
 489         (table_open): Use table_push.
 490         (table_read): Point variable file at current table, at eof, pop
 491         last open table.
 492
 493         * table.h, table.c (table_push): New function.
 494
 495 Thu Oct 16 11:03:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 496
 497         * gen-semantics.c (print_semantic_body): Use CIA not
 498         cia.ip. Escape newlines at end of generated call to
 499         sim_engine_abort.
 500
 501 Tue Oct 14 11:13:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 502
 503         * igen.c (print_itrace): Output line-ref to igen source file when
 504         generating trace statements.
 505         (print_itrace_prefix, print_itrace_format): Escape newline at end
 506         of each line of generated call to trace function.
 507
 508 Mon Oct 13 11:27:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 509
 510         * gen-support.c (gen_support_h): Generate #define NIA. Definition
 511         dependant on gen-delayed-branch mode.
 512
 513         * ld-insn.c (parse_insn_mnemonic_record): Check for opening and
 514         closing double quote in mnemonic field.
 515         (parse_option_record): Add gen-delayed-branch option.
 516
 517 Wed Oct  8 13:10:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 518
 519         * gen.c (insn_list_insert): Missing \n in warning.
 520
 521         * ld-insn.c (load_insn_table): Only notify of discarded
 522         instrctions when warn.discard enabled.
 523
 524         * igen.h: Add option.warn.discard, default enabled.
 525
 526         * igen.c (main): Add -Wnodiscard option.
 527
 528         * ld-insn.c (record_type): For old record type, check the number
 529         of fields is correct.
 530         (load_insn_table): Allow insn assembler and insn model records to
 531         appear in any order.
 532         (parse_insn_model_record): Rename from parse_insn_model_records.
 533         Parse only one record.
 534         (parse_insn_mnemonic_record): Rename from
 535         parse_insn_mnemonic_records.  Parse only one record.
 536
 537 Tue Sep 23 15:52:06 1997  Felix Lee  <flee@yin.cygnus.com>
 538
 539         * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
 540         illegal zero-sized array.
 541         (itable_print_set): likewise, avoid empty initializers.
 542
 543 Mon Sep 22 18:49:07 1997  Felix Lee  <flee@cygnus.com>
 544
 545         * configure.in: i386-windows is a cross, so don't expect
 546         libiberty to be there.
 547         * configure: updated.
 548
 549 Fri Sep 19 10:36:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 550
 551         * igen.c (print_function_name): Put the format name after the
 552         function / instruction name, not before.
 553         (print_itrace): Better format trace code.
 554
 555 Tue Sep 16 11:01:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 556
 557         * gen.c (insns_bit_useless): Don't treat string fields restricted
 558         to a range of values as useless.
 559
 560 Mon Sep 15 15:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 561
 562         * igen.c (gen_run_c): Handle non-multi-sim case.
 563
 564         * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
 565         Define CIA from cia.
 566
 567 Thu Sep 11 10:27:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 568
 569         * gen-semantics.c (print_semantic_body): Trace the instruction
 570         after it has been validated.
 571         (print_semantic_body): Count the instruction using sim-profile.
 572
 573 Wed Sep 10 13:35:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 574
 575         * gen-itable.c (gen_itable_h): Collect summary info on instruction
 576         table when traversing it.
 577         (gen_itable_h): Output an enum defining the max size of each of
 578         the itable string members.
 579
 580 Tue Sep  9 03:30:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 581
 582         * igen.c (gen_run_c): New function. Generate sim_engine_run that
 583         looks at the currently selected architecture.
 584
 585         * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
 586         one engine per model.
 587
 588         * gen-semantics.c, gen-icache.c gen-support.c:
 589         Update.
 590
 591         * ld-insn.h, ld-insn-h (load_insn_table): Rewrite.  table.h only
 592         returns a line at a time.  Parse multi-word instructions.  Add
 593         multi-sim support.
 594
 595         * table.h, table.c: Simplify.  Only parse a single line at a time.
 596         ld-insn can handle the rest.
 597
 598         * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
 599         filter_is_common, filter_is_member, filter_next): New filter
 600         operations.
 601         (dump_filter): Ditto.
 602
 603         * gen.h, gen.c: New file.  Takes the insn table and turns it into
 604         a set of decode tables and semantic functions.
 605
 606         * ld-insn.c: Copy generator code from here.
 607         * gen.c: To here.
 608
 609 Fri Aug  8 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 610
 611         * misc.h (NZALLOC): Allocate an N element array of TYPE.
 612
 613         * table.h, table.c: Simplify table parser so that it only
 614         understands colon delimited lines and code blocks.
 615         (table_read): Parse '{' ... '}' as a code block.
 616         (table_print_code): New function, print out a code block to file.
 617         (main): Add suport for standalone testing.
 618
 619         * ld-insn.h, ld-insn.c:
 620
 621
 622 Mon Sep  1 11:41:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 623
 624         * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
 625         (print_jump_definition, print_jump, print_jump_internal_function,
 626         print_jump_insn, print_jump_until_stop_body): Delete, moved to
 627         sim-engine.c
 628
 629         * igen.c (print_itrace_format): Delete unused variable chp.
 630         (gen-engine.h): Include.
 631
 632         * table.c (current_file_name, current_line_entry,
 633         current_line_entry): Make static.
 634
 635 Wed Aug  6 12:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 636
 637         * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
 638         RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
 639         * configure.in: Include simulator common/aclocal.m4.
 640         * configure.in: Add --enable-sim-warnings option.
 641         * configure: Re-generate.
 642
 643         * Makefile.in: Use.
 644
 645         * Makefile.in (tmp-filter): New rule.
 646         (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
 647         ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
 648
 649         * gen.h, gen.c: New files.
 650
 651         * Makefile.in (gen.o, tmp-gen): New rules, update all
 652         dependencies.
 653
 654 Tue Jun 24 11:46:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 655
 656         * ld-insn.c (load_insn_table): Accept %s as a function type.
 657
 658 Thu Jun  5 17:14:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 659
 660         * igen.c (print_itrace_prefix): Move printing of insn prefix to
 661         here.
 662         (print_itrace_format): Drop printing of MY_NAME in instruction
 663         trace.  Printing of insn prefix moved.
 664         (print_itrace): Ditto.
 665
 666 Fri May 30 11:27:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 667
 668         * gen-icache.c (print_icache_function_header): Pass
 669         table_line_entry instead of separate file and line.
 670
 671         * table.c (table_entry_read): Set assembler source file/line-nr to
 672         the current not initial file.
 673         (table_entry_read): Fix line numbering of source files.
 674
 675         table.h (table_line_entry): New structure.  Exactly specifies a
 676         source file/line-nr.
 677         (table_*_entry): Add this to all.
 678
 679         table.c (table_entry_print_cpp_line_nr): Change to use values from
 680         a table_line_entry struct.
 681         (table_entry_read): Save table_line_entry in all structures read.
 682
 683         gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
 684         gen-model.c: Update all references.
 685
 686 Thu May 29 10:29:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 687
 688         * igen.c (print_my_defines): Define MY_NAME - a string.  For
 689         MY_PREFIX, undefine the name of the function incase some dumb
 690         header defined it.  it.
 691         (print_itrace): Use MY_NAME not MY_PREFIX.
 692
 693         * lf.c (lf_write): New function write an N character buffer to the
 694         file.
 695
 696         * igen.c (print_itrace): When available, use the assembler to
 697         print the insn-trace.
 698         (print_itrace_prefix): New function, print first part of call to
 699         print_one_insn.
 700         (print_itrace_format): New function, print fmt argument for
 701         print_one_insn.
 702
 703         * table.c (table_entry_read): Save any assembler lines instead of
 704         discarding them.
 705
 706 Wed May 28 09:55:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 707
 708         * gen-icache.c (print_icache_body): Process immeds.
 709
 710         * gen-semantics.c (print_semantic_body): When computing NIA, skip
 711         any immed words that follow the instruction word.
 712
 713         * ld-insn.c (parse_insn_format): Parse immeds appended to an
 714         instruction.
 715
 716         * igen.c (main): Allow any register to be specified as the zero
 717         register.
 718         (semantic_zero_reg): Global, index to zero register.
 719
 720         * gen-semantics.c (print_semantic_body): Zero selected register.
 721
 722 Tue May 27 14:12:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 723
 724         * igen.h: Stop options and code gen type bit masks overlaping.
 725
 726 Fri May 23 12:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 727
 728         * gen-semantics.c (print_semantic_body): Incorrect test for
 729         zero-r0 code.
 730
 731 Fri May 16 14:32:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 732
 733         * gen-semantics.c (print_semantic_body): Use common sim-engine
 734         interface.
 735
 736 Fri May 16 11:48:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 737
 738         * gen-semantics.c (print_semantic_body): Add code to clear r0.
 739
 740         * igen.c (main): Add new option zero-r0, which adds code to clear
 741         GPR(0) each cycle.
 742
 743 Wed May  7 12:31:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 744
 745         * igen.c (print_itrace): Fix so line-nr is passed to trace
 746         function.
 747
 748         * gen-idecode.c (print_idecode_validate): Correct FP code.
 749
 750         * gen-support.c (gen_support_h): Always pass MY_INDEX to support
 751         functions.
 752         (print_support_function_name): Ditto.
 753
 754 Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>
 755
 756         * igen.c (print_itrace): Call trace_one_insn to trace
 757         instructions, rather than doing it directly.
 758
 759 Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>
 760
 761         * gen-engine.c (engine_switch_leaf): Remove extra %s.
 762         (print_engine_floating_point_unavailable): Wrap in #ifdef
 763         UNUSED/#endif, until somebody uses it.
 764
 765         * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
 766         variable.
 767         (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
 768         somebody uses it.
 769         (print_idecode_validate): Use long formats to print long values.
 770
 771         * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
 772         if we get an unexpected type.
 773
 774 Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 775
 776         * igen.c (print_itrace): Pass SD as well as CPU to calls to
 777         trace_printf.
 778
 779         * gen-support.c (gen_support_h): Always pass sim_cia cia to
 780         support functions.
 781         (print_support_function_name): Ditto.
 782
 783 Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 784
 785         * gen-support.c (support_c_function): Remove unnecessary memset of
 786         cia.
 787         * gen-semantics.c (print_semantic_body): Wasn't closing
 788         generated comment.
 789
 790 Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 791
 792         * ld-insn.c (load_insn_table): Report instructions that do not
 793         have at least a format and name.
 794         (insn_table_find_opcode_field): Check progress is being made.
 795
 796         * gen-support.c (support_c_function): Report empty function body.
 797
 798 Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 799
 800         * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
 801         be broken up.
 802         (insn_table_expand_insns): Allow special rules to apply to groups
 803         of instructions when all members of the group match the special
 804         mask/value.
 805
 806         * gen-semantics.c (print_c_semantic): Ditto.
 807         * igen.c (print_semantic_function_formal): Ditto.
 808         (print_semantic_function_type): Ditto.
 809         * igen.c (print_icache_function_formal): Ditto.
 810         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 811
 812         * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
 813         instruction_address type.
 814
 815         * gen-semantics.c (print_semantic_body): Call cpu_error when an
 816         unimplemented instruction is encountered - gives the interpreter
 817         the chance to stop correctly.
 818
 819 Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 820
 821         * igen.c (print_function_name): Allow dot's in instruction names.
 822
 823 Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 824
 825         * igen.c (main), igen.h: Support new option - delayed-branch -
 826         generate code to drive a delayed branch processor.
 827
 828         * gen-idecode.c (gen_idecode_h): Define instruction_address type.
 829
 830         * igen.c (print_icache_function_formal): Replace address_word with
 831         instruction_address.
 832         (print_semantic_function_formal): Ditto.
 833         (print_semantic_function_type): Ditto.
 834         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 835
 836         * gen-semantics.c (print_semantic_body): Ditto.
 837         (print_c_semantic): Ditto.
 838
 839         * gen-support.c (support_c_function): Return a zeroed CIA instead
 840         of just zero - works with any cia type.
 841
 842         * igen.c (print_itrace): For delayed branch case, print just the
 843         current instruction.
 844
 845 Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>
 846
 847         * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
 848
 849 Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>
 850
 851         * Makefile.in (INSTALL): Set to @INSTALL@.
 852         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 853
 854 Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>
 855
 856         * Makefile.in (INSTALL): Change install.sh to install-sh.
 857
 858 Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 859
 860         * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
 861         * gen-idecode.c (gen_idecode_c): Likewise.
 862         * igen.c (gen_semantics_c): Likewise.
 863
 864 Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 865
 866         * gen-icache.c (print_icache_body): No longer define cpu/sd,
 867         support.h now defines CPU/SD globally.
 868
 869         * gen-model.c (gen_model_h): Ditto.
 870
 871         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 872         (print_jump): Ditto.
 873         (print_jump_until_stop_body): Ditto.
 874         (print_idecode_validate): Ditto.
 875
 876         * gen-icache.c (print_icache_body): Ditto.
 877
 878         * gen-semantics.c (print_semantic_body): Ditto.
 879
 880         * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 881         processor to cpu.
 882         (print_icache_function_formal): Ditto.
 883
 884         * gen-support.c (print_support_function_name): Include sd/cpu arg
 885         in support function argument list.
 886         (support_c_function): Generate code to cpu/sd from sd/cpu.
 887         (gen_support_h): Define _SD the argument prefix for all support
 888         functions.  Define SD/CPU to determine sd/cpu from value of _SD
 889         macro.
 890
 891 Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 892
 893         * gen-support.c (gen_support_c): Update for renaming of engine to
 894         sim-state.
 895
 896         * igen.c: Ditto.
 897         * gen-idecode.c (gen_idecode_c): Ditto.
 898
 899 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 900
 901         * ld-decode.c (load_decode_table): Rename slash to reserved.
 902         (dump_decode_rule): Ditto.
 903
 904         * ld-insn.c (parse_insn_format): Differentiate between a `/' -
 905         reserved bit - and a `*' - wild card.
 906         (parse_insn_format): Change is_slash to more informative reserved.
 907         (dump_insn_field): Ditto.
 908         (insn_field_is_constant): Ditto.
 909         (insn_table_expand_opcode): Ditto.
 910
 911         * gen-idecode.c (print_idecode_validate): Make check_mask and
 912         check_val the correct integer size.
 913         (print_idecode_validate): Fix reserved bit check for 64 bit
 914         targets.
 915
 916 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 917
 918         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 919         `/' in bit fields.  `/' denotes a wild bit.
 920
 921 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 922
 923         * igen.h, igen.c (main): New options. Control generation of
 924         conditional issue and slot verification code.
 925
 926 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 927
 928         * gen-support.c (print_support_function_name): Prepend the global
 929         name prefix when applicable.  Provide #define to map the user
 930         specified name the generated globaly unique one.
 931
 932 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 933
 934         * gen-idecode.c (print_idecode_validate): Wrap each of the checks
 935         - reserved bits, floating point and slot validation - with a
 936         #ifdef so that they are optional.
 937
 938 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 939
 940         * gen-idecode.c (error_leaf_contains_multiple_insn): New function
 941         - report the error of a leaf node in the decision tree containing
 942         several instructions.
 943         (print_idecode_table_leaf): Detect a leaf with multiple instructions.
 944         (print_idecode_switch_leaf): Ditto.
 945
 946         * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
 947         print_idecode_invalid): Rename former to latter.  Add argument so
 948         that one function can generate all invalid instruction cases -
 949         illegal, fp-unavailable, wrong-slot.
 950         * gen-engine.c: Update.
 951
 952         * gen-idecode.c: Use print_idecode_invalid to generate a function
 953         call for cases when fp-unavailable and the slot is wrong.
 954
 955         * gen-idecode.c (print_idecode_validate): New check, generate code
 956         to verify that the instruction slot is correct.
 957
 958         * igen.c (main): Simplify options.
 959
 960 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 961
 962         * igen.c (print_itrace): Remove source line reference for trace
 963         code - let the user see the generated file.
 964         (print_itrace): Print the trace code rather than reference a
 965         macro.
 966
 967 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 968
 969         * igen.c (print_semantic_function_actual): Pass either the
 970         processor - smp - or the engine - mono - into semantic functions.
 971         Don't pass in both.
 972
 973         * gen-icache.c (print_icache_body): Dependant on smp, derive
 974         processor from engine or engine from processor, and hence ensuring
 975         that both are defined in all semantic functions.
 976
 977 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 978
 979         * ld-insn.c (parse_insn_format): Make the width field optional.
 980         If missing assume that the number of characters in the value
 981         determines the number of bits in the field.
 982
 983 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 984
 985         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
 986         more useful error message.
 987
 988 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 989
 990         * misc.c (error): Output errors on stderr.
 991
 992         * ld-insn.c (parse_insn_format): Skip any leading spaces.
 993         Verify the width of instructions being parsed.
 994
 995         * table.c (table_entry_read): Parse CPP's convention for
 996         specifying original file name/line-nr.
 997
 998 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 999
1000         * ld-insn.c (parse_insn_format): Allow trailing spaces in
1001         instruction fields.
1002
1003         * Makefile.in: Create using ../ppc/Makefile.in as a starting
1004         point.
1005         * configure.in: Ditto vis ../ppc/configure.in
1006
1007 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1008
1009         * gen-support.c (gen_support_c): Always include engine.h instead
1010         of cpu.h
1011         * gen-idecode.c (gen_idecode_c): Ditto.
1012
1013         * words.h (instruction_word): Remove instruction_word - now
1014         generated by igen.
1015         (address_word): New.  Used by igen.
1016
1017         * lf.c (lf_print_function_type_function): New, pass a function to
1018         print out the type instead of a constant string.
1019
1020         * igen.h, igen.c (print_semantic_function_formal,
1021         SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
1022         (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
1023         (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
1024         (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
1025         (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
1026         (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
1027         * gen-idecode.c (print_idecode_table): Update.
1028         (idecode_switch_leaf): Update.
1029         (print_idecode_switch_function_header): Ditto.
1030         (print_idecode_floating_point_unavailable): Ditto.
1031         (print_idecode_issue_function_header): Ditto.
1032         * igen.c (gen_icache_h): Ditto.
1033         * gen-engine.c (print_engine_table): Ditto.
1034         (engine_switch_leaf): Ditto.
1035         * gen-support.c (print_support_function_name): Ditto.
1036         * gen-semantics.c (print_semantic_function_header): Update.
1037         Update.
1038         * gen-icache.c (print_icache_function_header): Update.
1039         (print_icache_function): Update.
1040         (print_icache_internal_function_declaration): Update.
1041         (print_icache_internal_function_definition): Update.
1042
1043         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
1044         files, will at some stage need to move it into support.
1045
1046         * igen.h, igen.c (main): New option -e <engine> - generate a full
1047         simulation engine.  Previously this was the -d <idecode-file>
1048         option.
1049         * gen-engine.h, gen-engine.c: Copies of gen-idecode.*.  Will need
1050         to clean these up so that that call upon the updated gen-idecode
1051         code.
1052
1053         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
1054         generating a decode table.
1055
1056         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
1057
1058         * igen.h, igen.c (main): New option -M - Control what is returned
1059         by semantic functions - -1/NIA vs CIA+N/NIA.  Add
1060         generate_semantic_returning_modified_nia_only to igen_code enum.
1061         * gen-semantics.c (print_semantic_body): As an alternative, make
1062         NIA == -1 instead of CIA+insn_size by default.
1063
1064         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
1065         New option -P <prefix> - Prepend all generated functions with the
1066         specified prefix.
1067         (gen_idecode_c): Adjust.
1068         * gen-icache.c (print_icache_struct): Ditto.
1069         * gen-support.c (gen_support_c): Ditto.
1070
1071 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1072
1073         * igen.c (main): Correct usage. Missleading message about ucase
1074         options dumping internal tables.  -F now includes rather then
1075         excludes instructions.
1076
1077         * misc.h, misc.c (a2i): Make 64bit.
1078
1079         * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
1080         max to 64bits, expect trouble.  Make the default 32 bits.
1081         * gen-idecode.c (print_idecode_table): Change EXTRACTED*
1082         et.al. macro's to use the insn_bit_size instead of assuming 32
1083         bits.
1084         * gen-icache.c (print_icache_extraction): Ditto.
1085         * gen-idecode.c (idecode_switch_start): Ditto.
1086         * gen-idecode.c (gen_idecode_c): Ditto
1087
1088         * igen.h (insn_specifying_widths), igen.c (main): New option -W.
1089         Indicates that the instruction field of the table is specifying
1090         bit widths instead of bit offsets.
1091         * ld-insn.c (parse_insn_format): Parse instruction fields
1092         specifying widths.
1093
1094         * misc.c (a2i): Allow binary numbers to be specified using the
1095         syntax 0bNNNN.
1096         * ld-insn.c: Allow such numbers to appear in the instruction
1097         format.
1098
1099         * table.c (table_entry_read): Make // a valid comment character.
1100         (table_entry_read): Skip lines containing a leading " - these may
1101         eventually be used in a disasembler.
1102
1103 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1104
1105         * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
1106         gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
1107         gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
1108         gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
1109         ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
1110         ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
1111         from the ../ppc directory.
1112
1113         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
1114         renaming from filter_filename.[hc]