sim/igen/ChangeLog

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