sim/igen/ChangeLog

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