sim/igen/ChangeLog

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