sim/igen/ChangeLog

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