sim/igen/ChangeLog

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