1 1999-05-08 Felix Lee <flee@cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 Fri Dec 4 15:14:09 1998 Andrew Cagney <cagney@b1.cygnus.com>
7 * igen.c (main): Fix -Pitable=.
9 * gen-engine.c (print_run_body): Prefix instruction_address.
11 Wed Oct 28 18:12:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
13 * Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4
16 Wed Aug 12 10:55:28 1998 Frank Ch. Eigler <fche@cygnus.com>
18 * gen-icache.c (print_icache_extraction): #undef a generated
19 symbol before #define'ing it, to remove conflict with system
22 Wed Jul 29 10:07:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
24 * gen.c (gen_entry_expand_opcode): For conditional, fields. Fix
25 the extraction of the value from its source - both table and bit
28 Tue Jul 28 11:19:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
30 * ld-insn.c (parse_insn_word): For constant conditional strings,
31 encode their bit value.
33 * ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional
34 operands to refer to fields in earlier instruction words.
36 * gen.c (sub_val): Replace field argument with val_last_pos.
37 (gen_entry_expand_opcode): Look in previous tables for a value for
38 a conditional field as well as the bits from the current table.
39 (insn_list_insert): Add sort key of instructions where
40 their operand fields have different conditionals.
41 (insn_field_cmp): New function.
43 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
45 * configure: Regenerated to track ../common/aclocal.m4 changes.
48 Sun Apr 26 15:20:08 1998 Tom Tromey <tromey@cygnus.com>
50 * acconfig.h: New file.
51 * configure.in: Reverted change of Apr 24; use sinclude again.
53 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
55 * configure: Regenerated to track ../common/aclocal.m4 changes.
58 Fri Apr 24 11:19:33 1998 Tom Tromey <tromey@cygnus.com>
60 * configure.in: Don't call sinclude.
62 Fri Apr 24 19:45:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
64 * gen-icache.c (print_icache_extraction): Do not type cast
67 * ld-insn.c (load_insn_table): Terminate error with NL.
69 * gen.c (insns_bit_useless): Perform unsigned bit comparisons.
71 * filter.c (is_filtered_out, filter_parse): Pacify GCC, len is
74 Wed Apr 22 14:27:39 1998 Michael Meissner <meissner@cygnus.com>
76 * configure: Reconfigure to pick up ../common/aclocal.m4 changes
77 to suppress inlining by default.
79 Tue Apr 21 01:37:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
81 * gen-icache.c (print_icache_extraction): When generating #define
82 force the expression to the correct type.
84 Thu Apr 16 08:50:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
86 * misc.c (name2i): strlen returns an unsigned.
88 Tue Apr 14 19:04:28 1998 Andrew Cagney <cagney@b1.cygnus.com>
90 * igen.h (struct igen_warn_options): Add unimplemented option.
91 * igen.c (main): Update
93 * ld-insn.c (load_insn_table): Report unimplemented functions.
95 Tue Apr 14 10:57:26 1998 Andrew Cagney <cagney@b1.cygnus.com>
97 * ld-insn.c (parse_insn_word): Treat `!' and `=' as valid
98 separator tokens when parsing a conditional.
100 * igen.h (main): Add option -S so that suffix can be specified.
102 Tue Apr 14 08:44:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
104 * igen.h (struct igen_trace_options): Add members insn_expansion
107 * igen.c (main): Add options -Gtrace-insn-expansion,
108 -Gtrace-insn-insertion and -Gtrace-all.
110 * gen.c (gen_entry_expand_insns): Trace each instruction as it is
111 selected for expansion.
112 (gen_entry_expand_opcode): Trace each expanded instruction as it
113 is inserted into the table.
115 Mon Apr 13 19:21:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
117 * ld-insn.c (parse_insn_word): Parse conditional operators.
118 (parse_insn_word): Verify field conditionals.
120 * ld-insn.h: Extend syntax to allow macros and field equality.
121 (struct insn_field_cond): Rename insn_field_exclusion, add type.
123 * gen.c (gen_entry_expand_opcode): Check type of conditional.
124 (insns_bit_useless): Ditto.
126 * ld-insn.c (parse_macro_record): New function.
128 Mon Apr 13 22:37:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
130 * ld-insn.h (enum insn_field_type): Add insn_field_invalid.
132 * ld-insn.c (parse_insn_word): Check instruction field type
133 correctly initialized.
134 (print_insn_words): Ditto.
135 (insn_field_type_to_str): Ditto.
136 (dump_insn_field): Ditto.
138 * gen.c (insns_bit_useless): Ditto.
140 Fri Apr 3 18:08:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
142 * gen.h, igen.c (print_include_inline, print_includes,
143 print_includes): New functions. Generate include list. For for
144 semantics et.al. generate CPP code to inline when
147 * igen.c (gen_semantics_c): Call print_includes.
148 * gen-engine.c (gen_engine_c): Ditto.
150 Sat Apr 4 21:09:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
152 * igen.h: (struct _igen_name_option): Replace with struct
153 igen_module_option. Contains both module prefix and suffix.
154 (INIT_OPTIONS): Initialize.
156 * igen.c (main): Update -P option to fill in full module info.
157 (gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c,
158 gen-support.c): Update.
160 Sat Apr 4 02:15:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
162 * igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any
165 Thu Mar 26 20:51:23 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
167 * table.c (table_push): Redo, using stdio. Fixes NT native
168 problem with <CRLF>=><LF> translation...
170 Tue Mar 24 23:30:07 1998 Andrew Cagney <cagney@b1.cygnus.com>
172 * gen-engine.c (print_run_body): Re-extract the CIA after
173 processing any events.
175 Tue Mar 24 17:46:08 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
177 * Makefile.in: Get SHELL from configure.
178 * configure: Regenerate with autoconf 2.12.1 to fix shell issues for
181 Mon Mar 16 12:51:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
183 * igen.c: Pass sim_cia to trace_prefix.
185 Thu Feb 26 19:25:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
187 * ld-insn.c (parse_function_record): Check models are valid.
188 (parse_function_record): Only discard function when no model is
191 Tue Feb 24 01:42:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
193 * gen-engine.c (print_run_body): Always wrap generated idecode
194 body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK.
196 Fri Feb 20 16:22:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
198 * ld-insn.c (parse_function_record): When -Wnodiscard, suppress
199 discarded function warning.
201 * igen.c (main): Clarify -Wnodiscard.
203 * ld-insn.c (parse_function_record): For functions, allow use of
204 instruction style function model records
206 * ld-insn.h (nr_function_model_fields): Define.
208 Tue Feb 17 16:36:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
210 * igen.c (print_itrace_prefix): Generate call to trace_prefix
211 instead of trace_one_insn.
212 (print_itrace): Generate trace_prefix call if any tracing enabled,
213 (print_itrace): Nest generated call to trace_generic inside
214 conditional for any tracing enabled.
215 (print_itrace_prefix): Do not pass PHASE to trace_prefix.
217 Tue Feb 3 14:00:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
219 * gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro.
220 * gen-icache.c (print_icache_body): Ditto.
221 * gen-idecode.c (print_idecode_ifetch): Ditto.
223 * gen-icache.c (print_icache_body): Mark successive instruction
226 * ld-insn.c (parse_insn_word): Only report insn-width problems
227 when warning enabled.
229 * igen.h: Add flag for warning about invalid instruction widths.
230 * igen.c: Parse -Wwidth option.
232 * gen-support.c (gen_support_h): Map instruction_word onto
233 <PREFIX>_instruction_word when needed.
234 (print_support_function_name): Use support prefix.
235 (gen_support_h): Ditto for <PREFIX>_idecode_issue.
237 Sun Feb 1 11:08:48 1998 Andrew Cagney <cagney@b1.cygnus.com>
239 * gen-support.c (gen_support_h): Generate new macro CPU_.
241 Sat Jan 31 14:50:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
243 * gen-engine.c (gen_engine_h): Don't assume a model is present.
244 (gen_engine_c): Ditto.
246 * igen.c (gen_run_c): Ditto.
248 * gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of
249 CPU_CIA. Parameterize with CPU argument.
251 Fri Jan 30 09:09:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
253 * gen.h (struct _gen_list): Replace processor with model.
255 * igen.c (gen_idecode_h): Update.
256 (gen_run_c): For generated switch, use model->full_name.
258 * gen.c (print_gen_entry_path): Ditto.
260 (gen_entry_expand_insns): Ditto.
261 (make_gen_tables): Ditto.
263 * igen.c (gen_run_c): Add extra argument `nr_cpus' to generated
264 function sim_engine_run. Pass argument on to engine_run.
266 * gen-engine.c (print_engine_run_function_header): Add extra
267 argument `nr_cpus' to generated function engine_run.
268 (print_run_body): Fix SMP case.
270 * gen-support.c (support_c_function): Call sim_engine_abort when
271 internal function fails to long jump.
273 Wed Jan 21 18:00:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
275 * gen-semantics.c (print_semantic_body): Use GPR_SET to zero
278 Wed Dec 17 14:49:03 1997 Jeffrey A Law (law@cygnus.com)
280 * gen-semantics.c (print_semantic_body): Fix handling of
281 hardwired zero register.
283 Tue Dec 9 12:45:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
285 * igen.h (struct _igen_gen_options): Add member default_model.
287 * igen.c (gen_run_c): Default to the first machine in the
289 (main): Add MODEL parameter to gen-multi-sim option.
291 * gen.h (function_decl_type): Declare enum.
293 * gen-engine.c (print_engine_run_function_header), gen-engine.h:
294 Make global, pass function_decl_type as argument.
295 (gen_engine_h, gen_engine_c): Update call.
297 * gen-idecode.c (print_idecode_issue_function_header),
298 gen-idecode.h: Pass function_decl_type as argument.
300 * igen.c (gen_idecode_h): For multi-sim, delcare global variable
303 * igen.c (gen_run_c): For multi-sim, initialize globals
304 idecode_issue and engine_run.
306 Fri Nov 14 10:51:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
308 * ld-insn.c (parse_insn_model_record): Allow multiple model names
309 to be specified in a single instruction model record.
310 (dump_insn_model_entry): Update.
312 * ld-insn.h (struct _insn_model_entry): Replace member name with
313 the filter names. Document syntax change.
315 Wed Nov 12 15:45:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
317 * gen-engine.c (print_run_body): Add hooks for adding code before
318 and after an instruction has been issued.
320 1997-11-04 Brendan Kehoe <brendan@lisa.cygnus.com>
322 * gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of
323 `#ifdef 0' around this.
325 Tue Nov 4 08:18:29 1997 Michael Meissner <meissner@cygnus.com>
327 * ld-decode.c (load_decode_table): Don't assume NULL is an integer
330 Wed Oct 29 13:17:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
332 * ld-insn.h: Document mnemonic string format.
334 Tue Oct 28 10:50:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
336 * gen-icache.c (print_icache_extraction): Force result of atol to
339 * ld-insn.c (parse_function_record): Separate handling of old and
340 ney fynction records.
341 (load_insn_table): For %s record, hack function name & type after
344 * filter.h (filter_is_subset): Reverse argument names, wrong
347 * ld-insn.c (load_insn_table): Move include code to.
348 (parse_include_record): New function. Check for filtering of
349 include statement by both flags and models.
350 (load_insn_table): Check for model filtering of cache and model
352 (parse_model_data_record): Check for model & flag filtering of
354 (parse_function_record): Check for model & flag filtering of
357 * ld-insn.h: Define record_filter_models_field. Add filter-models
358 field to all but instruction records.
359 (struct _function_entry, struct _cache_entry): Add models field.
360 (nr_function_fields): Make parm field mandatory.
362 Mon Oct 27 15:14:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
364 * igen.c (main): Change -I option to -I<directory>. Add optional
365 size to -Ggen-icache option. Add -Gno-... support.
367 * igen.h (struct _igen_options): Add include field.
369 * ld-insn.c (enum insn_record_type, insn_type_map): Add
371 (load_insn_table): Call table_push when include record.
373 * table.c (struct _open table, struct table): Make table object an
374 indirect ptr to the current table file.
375 (current_line, new_table_entry, next_line): Make file arg type
377 (table_open): Use table_push.
378 (table_read): Point variable file at current table, at eof, pop
381 * table.h, table.c (table_push): New function.
383 Thu Oct 16 11:03:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
385 * gen-semantics.c (print_semantic_body): Use CIA not
386 cia.ip. Escape newlines at end of generated call to
389 Tue Oct 14 11:13:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
391 * igen.c (print_itrace): Output line-ref to igen source file when
392 generating trace statements.
393 (print_itrace_prefix, print_itrace_format): Escape newline at end
394 of each line of generated call to trace function.
396 Mon Oct 13 11:27:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
398 * gen-support.c (gen_support_h): Generate #define NIA. Definition
399 dependant on gen-delayed-branch mode.
401 * ld-insn.c (parse_insn_mnemonic_record): Check for opening and
402 closing double quote in mnemonic field.
403 (parse_option_record): Add gen-delayed-branch option.
405 Wed Oct 8 13:10:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
407 * gen.c (insn_list_insert): Missing \n in warning.
409 * ld-insn.c (load_insn_table): Only notify of discarded
410 instrctions when warn.discard enabled.
412 * igen.h: Add option.warn.discard, default enabled.
414 * igen.c (main): Add -Wnodiscard option.
416 * ld-insn.c (record_type): For old record type, check the number
417 of fields is correct.
418 (load_insn_table): Allow insn assembler and insn model records to
420 (parse_insn_model_record): Rename from parse_insn_model_records.
421 Parse only one record.
422 (parse_insn_mnemonic_record): Rename from
423 parse_insn_mnemonic_records. Parse only one record.
425 Tue Sep 23 15:52:06 1997 Felix Lee <flee@yin.cygnus.com>
427 * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
428 illegal zero-sized array.
429 (itable_print_set): likewise, avoid empty initializers.
431 Mon Sep 22 18:49:07 1997 Felix Lee <flee@cygnus.com>
433 * configure.in: i386-windows is a cross, so don't expect
434 libiberty to be there.
435 * configure: updated.
437 Fri Sep 19 10:36:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
439 * igen.c (print_function_name): Put the format name after the
440 function / instruction name, not before.
441 (print_itrace): Better format trace code.
443 Tue Sep 16 11:01:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
445 * gen.c (insns_bit_useless): Don't treat string fields restricted
446 to a range of values as useless.
448 Mon Sep 15 15:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
450 * igen.c (gen_run_c): Handle non-multi-sim case.
452 * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
455 Thu Sep 11 10:27:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
457 * gen-semantics.c (print_semantic_body): Trace the instruction
458 after it has been validated.
459 (print_semantic_body): Count the instruction using sim-profile.
461 Wed Sep 10 13:35:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
463 * gen-itable.c (gen_itable_h): Collect summary info on instruction
464 table when traversing it.
465 (gen_itable_h): Output an enum defining the max size of each of
466 the itable string members.
468 Tue Sep 9 03:30:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
470 * igen.c (gen_run_c): New function. Generate sim_engine_run that
471 looks at the currently selected architecture.
473 * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
474 one engine per model.
476 * gen-semantics.c, gen-icache.c gen-support.c:
479 * ld-insn.h, ld-insn-h (load_insn_table): Rewrite. table.h only
480 returns a line at a time. Parse multi-word instructions. Add
483 * table.h, table.c: Simplify. Only parse a single line at a time.
484 ld-insn can handle the rest.
486 * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
487 filter_is_common, filter_is_member, filter_next): New filter
489 (dump_filter): Ditto.
491 * gen.h, gen.c: New file. Takes the insn table and turns it into
492 a set of decode tables and semantic functions.
494 * ld-insn.c: Copy generator code from here.
497 Fri Aug 8 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
499 * misc.h (NZALLOC): Allocate an N element array of TYPE.
501 * table.h, table.c: Simplify table parser so that it only
502 understands colon delimited lines and code blocks.
503 (table_read): Parse '{' ... '}' as a code block.
504 (table_print_code): New function, print out a code block to file.
505 (main): Add suport for standalone testing.
507 * ld-insn.h, ld-insn.c:
510 Mon Sep 1 11:41:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
512 * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
513 (print_jump_definition, print_jump, print_jump_internal_function,
514 print_jump_insn, print_jump_until_stop_body): Delete, moved to
517 * igen.c (print_itrace_format): Delete unused variable chp.
518 (gen-engine.h): Include.
520 * table.c (current_file_name, current_line_entry,
521 current_line_entry): Make static.
523 Wed Aug 6 12:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
525 * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
526 RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
527 * configure.in: Include simulator common/aclocal.m4.
528 * configure.in: Add --enable-sim-warnings option.
529 * configure: Re-generate.
533 * Makefile.in (tmp-filter): New rule.
534 (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
535 ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
537 * gen.h, gen.c: New files.
539 * Makefile.in (gen.o, tmp-gen): New rules, update all
542 Tue Jun 24 11:46:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
544 * ld-insn.c (load_insn_table): Accept %s as a function type.
546 Thu Jun 5 17:14:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
548 * igen.c (print_itrace_prefix): Move printing of insn prefix to
550 (print_itrace_format): Drop printing of MY_NAME in instruction
551 trace. Printing of insn prefix moved.
552 (print_itrace): Ditto.
554 Fri May 30 11:27:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
556 * gen-icache.c (print_icache_function_header): Pass
557 table_line_entry instead of separate file and line.
559 * table.c (table_entry_read): Set assembler source file/line-nr to
560 the current not initial file.
561 (table_entry_read): Fix line numbering of source files.
563 table.h (table_line_entry): New structure. Exactly specifies a
565 (table_*_entry): Add this to all.
567 table.c (table_entry_print_cpp_line_nr): Change to use values from
568 a table_line_entry struct.
569 (table_entry_read): Save table_line_entry in all structures read.
571 gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
572 gen-model.c: Update all references.
574 Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
576 * igen.c (print_my_defines): Define MY_NAME - a string. For
577 MY_PREFIX, undefine the name of the function incase some dumb
578 header defined it. it.
579 (print_itrace): Use MY_NAME not MY_PREFIX.
581 * lf.c (lf_write): New function write an N character buffer to the
584 * igen.c (print_itrace): When available, use the assembler to
585 print the insn-trace.
586 (print_itrace_prefix): New function, print first part of call to
588 (print_itrace_format): New function, print fmt argument for
591 * table.c (table_entry_read): Save any assembler lines instead of
594 Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
596 * gen-icache.c (print_icache_body): Process immeds.
598 * gen-semantics.c (print_semantic_body): When computing NIA, skip
599 any immed words that follow the instruction word.
601 * ld-insn.c (parse_insn_format): Parse immeds appended to an
604 * igen.c (main): Allow any register to be specified as the zero
606 (semantic_zero_reg): Global, index to zero register.
608 * gen-semantics.c (print_semantic_body): Zero selected register.
610 Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
612 * igen.h: Stop options and code gen type bit masks overlaping.
614 Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
616 * gen-semantics.c (print_semantic_body): Incorrect test for
619 Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
621 * gen-semantics.c (print_semantic_body): Use common sim-engine
624 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
626 * gen-semantics.c (print_semantic_body): Add code to clear r0.
628 * igen.c (main): Add new option zero-r0, which adds code to clear
631 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
633 * igen.c (print_itrace): Fix so line-nr is passed to trace
636 * gen-idecode.c (print_idecode_validate): Correct FP code.
638 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
640 (print_support_function_name): Ditto.
642 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
644 * igen.c (print_itrace): Call trace_one_insn to trace
645 instructions, rather than doing it directly.
647 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
649 * gen-engine.c (engine_switch_leaf): Remove extra %s.
650 (print_engine_floating_point_unavailable): Wrap in #ifdef
651 UNUSED/#endif, until somebody uses it.
653 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
655 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
657 (print_idecode_validate): Use long formats to print long values.
659 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
660 if we get an unexpected type.
662 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
664 * igen.c (print_itrace): Pass SD as well as CPU to calls to
667 * gen-support.c (gen_support_h): Always pass sim_cia cia to
669 (print_support_function_name): Ditto.
671 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
673 * gen-support.c (support_c_function): Remove unnecessary memset of
675 * gen-semantics.c (print_semantic_body): Wasn't closing
678 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
680 * ld-insn.c (load_insn_table): Report instructions that do not
681 have at least a format and name.
682 (insn_table_find_opcode_field): Check progress is being made.
684 * gen-support.c (support_c_function): Report empty function body.
686 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
688 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
690 (insn_table_expand_insns): Allow special rules to apply to groups
691 of instructions when all members of the group match the special
694 * gen-semantics.c (print_c_semantic): Ditto.
695 * igen.c (print_semantic_function_formal): Ditto.
696 (print_semantic_function_type): Ditto.
697 * igen.c (print_icache_function_formal): Ditto.
698 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
700 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
701 instruction_address type.
703 * gen-semantics.c (print_semantic_body): Call cpu_error when an
704 unimplemented instruction is encountered - gives the interpreter
705 the chance to stop correctly.
707 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
709 * igen.c (print_function_name): Allow dot's in instruction names.
711 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
713 * igen.c (main), igen.h: Support new option - delayed-branch -
714 generate code to drive a delayed branch processor.
716 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
718 * igen.c (print_icache_function_formal): Replace address_word with
720 (print_semantic_function_formal): Ditto.
721 (print_semantic_function_type): Ditto.
722 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
724 * gen-semantics.c (print_semantic_body): Ditto.
725 (print_c_semantic): Ditto.
727 * gen-support.c (support_c_function): Return a zeroed CIA instead
728 of just zero - works with any cia type.
730 * igen.c (print_itrace): For delayed branch case, print just the
733 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
735 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
737 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
739 * Makefile.in (INSTALL): Set to @INSTALL@.
740 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
742 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
744 * Makefile.in (INSTALL): Change install.sh to install-sh.
746 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
748 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
749 * gen-idecode.c (gen_idecode_c): Likewise.
750 * igen.c (gen_semantics_c): Likewise.
752 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
754 * gen-icache.c (print_icache_body): No longer define cpu/sd,
755 support.h now defines CPU/SD globally.
757 * gen-model.c (gen_model_h): Ditto.
759 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
761 (print_jump_until_stop_body): Ditto.
762 (print_idecode_validate): Ditto.
764 * gen-icache.c (print_icache_body): Ditto.
766 * gen-semantics.c (print_semantic_body): Ditto.
768 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
770 (print_icache_function_formal): Ditto.
772 * gen-support.c (print_support_function_name): Include sd/cpu arg
773 in support function argument list.
774 (support_c_function): Generate code to cpu/sd from sd/cpu.
775 (gen_support_h): Define _SD the argument prefix for all support
776 functions. Define SD/CPU to determine sd/cpu from value of _SD
779 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
781 * gen-support.c (gen_support_c): Update for renaming of engine to
785 * gen-idecode.c (gen_idecode_c): Ditto.
787 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
789 * ld-decode.c (load_decode_table): Rename slash to reserved.
790 (dump_decode_rule): Ditto.
792 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
793 reserved bit - and a `*' - wild card.
794 (parse_insn_format): Change is_slash to more informative reserved.
795 (dump_insn_field): Ditto.
796 (insn_field_is_constant): Ditto.
797 (insn_table_expand_opcode): Ditto.
799 * gen-idecode.c (print_idecode_validate): Make check_mask and
800 check_val the correct integer size.
801 (print_idecode_validate): Fix reserved bit check for 64 bit
804 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
806 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
807 `/' in bit fields. `/' denotes a wild bit.
809 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
811 * igen.h, igen.c (main): New options. Control generation of
812 conditional issue and slot verification code.
814 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
816 * gen-support.c (print_support_function_name): Prepend the global
817 name prefix when applicable. Provide #define to map the user
818 specified name the generated globaly unique one.
820 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
822 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
823 - reserved bits, floating point and slot validation - with a
824 #ifdef so that they are optional.
826 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
828 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
829 - report the error of a leaf node in the decision tree containing
830 several instructions.
831 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
832 (print_idecode_switch_leaf): Ditto.
834 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
835 print_idecode_invalid): Rename former to latter. Add argument so
836 that one function can generate all invalid instruction cases -
837 illegal, fp-unavailable, wrong-slot.
838 * gen-engine.c: Update.
840 * gen-idecode.c: Use print_idecode_invalid to generate a function
841 call for cases when fp-unavailable and the slot is wrong.
843 * gen-idecode.c (print_idecode_validate): New check, generate code
844 to verify that the instruction slot is correct.
846 * igen.c (main): Simplify options.
848 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
850 * igen.c (print_itrace): Remove source line reference for trace
851 code - let the user see the generated file.
852 (print_itrace): Print the trace code rather than reference a
855 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
857 * igen.c (print_semantic_function_actual): Pass either the
858 processor - smp - or the engine - mono - into semantic functions.
861 * gen-icache.c (print_icache_body): Dependant on smp, derive
862 processor from engine or engine from processor, and hence ensuring
863 that both are defined in all semantic functions.
865 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
867 * ld-insn.c (parse_insn_format): Make the width field optional.
868 If missing assume that the number of characters in the value
869 determines the number of bits in the field.
871 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
873 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
874 more useful error message.
876 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
878 * misc.c (error): Output errors on stderr.
880 * ld-insn.c (parse_insn_format): Skip any leading spaces.
881 Verify the width of instructions being parsed.
883 * table.c (table_entry_read): Parse CPP's convention for
884 specifying original file name/line-nr.
886 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
888 * ld-insn.c (parse_insn_format): Allow trailing spaces in
891 * Makefile.in: Create using ../ppc/Makefile.in as a starting
893 * configure.in: Ditto vis ../ppc/configure.in
895 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
897 * gen-support.c (gen_support_c): Always include engine.h instead
899 * gen-idecode.c (gen_idecode_c): Ditto.
901 * words.h (instruction_word): Remove instruction_word - now
903 (address_word): New. Used by igen.
905 * lf.c (lf_print_function_type_function): New, pass a function to
906 print out the type instead of a constant string.
908 * igen.h, igen.c (print_semantic_function_formal,
909 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
910 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
911 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
912 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
913 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
914 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
915 * gen-idecode.c (print_idecode_table): Update.
916 (idecode_switch_leaf): Update.
917 (print_idecode_switch_function_header): Ditto.
918 (print_idecode_floating_point_unavailable): Ditto.
919 (print_idecode_issue_function_header): Ditto.
920 * igen.c (gen_icache_h): Ditto.
921 * gen-engine.c (print_engine_table): Ditto.
922 (engine_switch_leaf): Ditto.
923 * gen-support.c (print_support_function_name): Ditto.
924 * gen-semantics.c (print_semantic_function_header): Update.
926 * gen-icache.c (print_icache_function_header): Update.
927 (print_icache_function): Update.
928 (print_icache_internal_function_declaration): Update.
929 (print_icache_internal_function_definition): Update.
931 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
932 files, will at some stage need to move it into support.
934 * igen.h, igen.c (main): New option -e <engine> - generate a full
935 simulation engine. Previously this was the -d <idecode-file>
937 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
938 to clean these up so that that call upon the updated gen-idecode
941 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
942 generating a decode table.
944 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
946 * igen.h, igen.c (main): New option -M - Control what is returned
947 by semantic functions - -1/NIA vs CIA+N/NIA. Add
948 generate_semantic_returning_modified_nia_only to igen_code enum.
949 * gen-semantics.c (print_semantic_body): As an alternative, make
950 NIA == -1 instead of CIA+insn_size by default.
952 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
953 New option -P <prefix> - Prepend all generated functions with the
955 (gen_idecode_c): Adjust.
956 * gen-icache.c (print_icache_struct): Ditto.
957 * gen-support.c (gen_support_c): Ditto.
959 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
961 * igen.c (main): Correct usage. Missleading message about ucase
962 options dumping internal tables. -F now includes rather then
963 excludes instructions.
965 * misc.h, misc.c (a2i): Make 64bit.
967 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
968 max to 64bits, expect trouble. Make the default 32 bits.
969 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
970 et.al. macro's to use the insn_bit_size instead of assuming 32
972 * gen-icache.c (print_icache_extraction): Ditto.
973 * gen-idecode.c (idecode_switch_start): Ditto.
974 * gen-idecode.c (gen_idecode_c): Ditto
976 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
977 Indicates that the instruction field of the table is specifying
978 bit widths instead of bit offsets.
979 * ld-insn.c (parse_insn_format): Parse instruction fields
982 * misc.c (a2i): Allow binary numbers to be specified using the
984 * ld-insn.c: Allow such numbers to appear in the instruction
987 * table.c (table_entry_read): Make // a valid comment character.
988 (table_entry_read): Skip lines containing a leading " - these may
989 eventually be used in a disasembler.
991 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
993 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
994 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
995 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
996 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
997 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
998 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
999 from the ../ppc directory.
1001 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
1002 renaming from filter_filename.[hc]