sim/igen/ChangeLog

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