sim/igen/ChangeLog

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