sim/igen/ChangeLog

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