sim/igen/ChangeLog

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