sim/igen/ChangeLog

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