sim/igen/ChangeLog

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