sim/igen/ChangeLog

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