sim/igen/ChangeLog

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