1 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 2000-04-12 Frank Ch. Eigler <fche@redhat.com>
7 * gen-semantics.c (print_semantic_body): Use GPR_CLEAR(N) instead
8 of GPR_SET(N,0) for gen-zero-rN.
10 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
12 * Makefile.in (SIM_WARNINGS): Replace this with.
13 (IGEN_WERROR_CFLAGS, IGEN_WARN_CFLAGS, WERROR_CFLAGS,
14 WARN_CFLAGS): With these.
15 (BUILD_CFLAGS): Update.
17 * configure: Regenerated to track ../common/aclocal.m4 changes.
19 1999-05-08 Felix Lee <flee@cygnus.com>
21 * configure: Regenerated to track ../common/aclocal.m4 changes.
23 Fri Dec 4 15:14:09 1998 Andrew Cagney <cagney@b1.cygnus.com>
25 * igen.c (main): Fix -Pitable=.
27 * gen-engine.c (print_run_body): Prefix instruction_address.
29 Wed Oct 28 18:12:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
31 * Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4
34 Wed Aug 12 10:55:28 1998 Frank Ch. Eigler <fche@cygnus.com>
36 * gen-icache.c (print_icache_extraction): #undef a generated
37 symbol before #define'ing it, to remove conflict with system
40 Wed Jul 29 10:07:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
42 * gen.c (gen_entry_expand_opcode): For conditional, fields. Fix
43 the extraction of the value from its source - both table and bit
46 Tue Jul 28 11:19:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
48 * ld-insn.c (parse_insn_word): For constant conditional strings,
49 encode their bit value.
51 * ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional
52 operands to refer to fields in earlier instruction words.
54 * gen.c (sub_val): Replace field argument with val_last_pos.
55 (gen_entry_expand_opcode): Look in previous tables for a value for
56 a conditional field as well as the bits from the current table.
57 (insn_list_insert): Add sort key of instructions where
58 their operand fields have different conditionals.
59 (insn_field_cmp): New function.
61 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
63 * configure: Regenerated to track ../common/aclocal.m4 changes.
66 Sun Apr 26 15:20:08 1998 Tom Tromey <tromey@cygnus.com>
68 * acconfig.h: New file.
69 * configure.in: Reverted change of Apr 24; use sinclude again.
71 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
73 * configure: Regenerated to track ../common/aclocal.m4 changes.
76 Fri Apr 24 11:19:33 1998 Tom Tromey <tromey@cygnus.com>
78 * configure.in: Don't call sinclude.
80 Fri Apr 24 19:45:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
82 * gen-icache.c (print_icache_extraction): Do not type cast
85 * ld-insn.c (load_insn_table): Terminate error with NL.
87 * gen.c (insns_bit_useless): Perform unsigned bit comparisons.
89 * filter.c (is_filtered_out, filter_parse): Pacify GCC, len is
92 Wed Apr 22 14:27:39 1998 Michael Meissner <meissner@cygnus.com>
94 * configure: Reconfigure to pick up ../common/aclocal.m4 changes
95 to suppress inlining by default.
97 Tue Apr 21 01:37:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
99 * gen-icache.c (print_icache_extraction): When generating #define
100 force the expression to the correct type.
102 Thu Apr 16 08:50:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
104 * misc.c (name2i): strlen returns an unsigned.
106 Tue Apr 14 19:04:28 1998 Andrew Cagney <cagney@b1.cygnus.com>
108 * igen.h (struct igen_warn_options): Add unimplemented option.
109 * igen.c (main): Update
111 * ld-insn.c (load_insn_table): Report unimplemented functions.
113 Tue Apr 14 10:57:26 1998 Andrew Cagney <cagney@b1.cygnus.com>
115 * ld-insn.c (parse_insn_word): Treat `!' and `=' as valid
116 separator tokens when parsing a conditional.
118 * igen.h (main): Add option -S so that suffix can be specified.
120 Tue Apr 14 08:44:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
122 * igen.h (struct igen_trace_options): Add members insn_expansion
125 * igen.c (main): Add options -Gtrace-insn-expansion,
126 -Gtrace-insn-insertion and -Gtrace-all.
128 * gen.c (gen_entry_expand_insns): Trace each instruction as it is
129 selected for expansion.
130 (gen_entry_expand_opcode): Trace each expanded instruction as it
131 is inserted into the table.
133 Mon Apr 13 19:21:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
135 * ld-insn.c (parse_insn_word): Parse conditional operators.
136 (parse_insn_word): Verify field conditionals.
138 * ld-insn.h: Extend syntax to allow macros and field equality.
139 (struct insn_field_cond): Rename insn_field_exclusion, add type.
141 * gen.c (gen_entry_expand_opcode): Check type of conditional.
142 (insns_bit_useless): Ditto.
144 * ld-insn.c (parse_macro_record): New function.
146 Mon Apr 13 22:37:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
148 * ld-insn.h (enum insn_field_type): Add insn_field_invalid.
150 * ld-insn.c (parse_insn_word): Check instruction field type
151 correctly initialized.
152 (print_insn_words): Ditto.
153 (insn_field_type_to_str): Ditto.
154 (dump_insn_field): Ditto.
156 * gen.c (insns_bit_useless): Ditto.
158 Fri Apr 3 18:08:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
160 * gen.h, igen.c (print_include_inline, print_includes,
161 print_includes): New functions. Generate include list. For for
162 semantics et.al. generate CPP code to inline when
165 * igen.c (gen_semantics_c): Call print_includes.
166 * gen-engine.c (gen_engine_c): Ditto.
168 Sat Apr 4 21:09:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
170 * igen.h: (struct _igen_name_option): Replace with struct
171 igen_module_option. Contains both module prefix and suffix.
172 (INIT_OPTIONS): Initialize.
174 * igen.c (main): Update -P option to fill in full module info.
175 (gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c,
176 gen-support.c): Update.
178 Sat Apr 4 02:15:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
180 * igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any
183 Thu Mar 26 20:51:23 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
185 * table.c (table_push): Redo, using stdio. Fixes NT native
186 problem with <CRLF>=><LF> translation...
188 Tue Mar 24 23:30:07 1998 Andrew Cagney <cagney@b1.cygnus.com>
190 * gen-engine.c (print_run_body): Re-extract the CIA after
191 processing any events.
193 Tue Mar 24 17:46:08 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
195 * Makefile.in: Get SHELL from configure.
196 * configure: Regenerate with autoconf 2.12.1 to fix shell issues for
199 Mon Mar 16 12:51:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
201 * igen.c: Pass sim_cia to trace_prefix.
203 Thu Feb 26 19:25:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
205 * ld-insn.c (parse_function_record): Check models are valid.
206 (parse_function_record): Only discard function when no model is
209 Tue Feb 24 01:42:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
211 * gen-engine.c (print_run_body): Always wrap generated idecode
212 body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK.
214 Fri Feb 20 16:22:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
216 * ld-insn.c (parse_function_record): When -Wnodiscard, suppress
217 discarded function warning.
219 * igen.c (main): Clarify -Wnodiscard.
221 * ld-insn.c (parse_function_record): For functions, allow use of
222 instruction style function model records
224 * ld-insn.h (nr_function_model_fields): Define.
226 Tue Feb 17 16:36:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
228 * igen.c (print_itrace_prefix): Generate call to trace_prefix
229 instead of trace_one_insn.
230 (print_itrace): Generate trace_prefix call if any tracing enabled,
231 (print_itrace): Nest generated call to trace_generic inside
232 conditional for any tracing enabled.
233 (print_itrace_prefix): Do not pass PHASE to trace_prefix.
235 Tue Feb 3 14:00:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
237 * gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro.
238 * gen-icache.c (print_icache_body): Ditto.
239 * gen-idecode.c (print_idecode_ifetch): Ditto.
241 * gen-icache.c (print_icache_body): Mark successive instruction
244 * ld-insn.c (parse_insn_word): Only report insn-width problems
245 when warning enabled.
247 * igen.h: Add flag for warning about invalid instruction widths.
248 * igen.c: Parse -Wwidth option.
250 * gen-support.c (gen_support_h): Map instruction_word onto
251 <PREFIX>_instruction_word when needed.
252 (print_support_function_name): Use support prefix.
253 (gen_support_h): Ditto for <PREFIX>_idecode_issue.
255 Sun Feb 1 11:08:48 1998 Andrew Cagney <cagney@b1.cygnus.com>
257 * gen-support.c (gen_support_h): Generate new macro CPU_.
259 Sat Jan 31 14:50:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
261 * gen-engine.c (gen_engine_h): Don't assume a model is present.
262 (gen_engine_c): Ditto.
264 * igen.c (gen_run_c): Ditto.
266 * gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of
267 CPU_CIA. Parameterize with CPU argument.
269 Fri Jan 30 09:09:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
271 * gen.h (struct _gen_list): Replace processor with model.
273 * igen.c (gen_idecode_h): Update.
274 (gen_run_c): For generated switch, use model->full_name.
276 * gen.c (print_gen_entry_path): Ditto.
278 (gen_entry_expand_insns): Ditto.
279 (make_gen_tables): Ditto.
281 * igen.c (gen_run_c): Add extra argument `nr_cpus' to generated
282 function sim_engine_run. Pass argument on to engine_run.
284 * gen-engine.c (print_engine_run_function_header): Add extra
285 argument `nr_cpus' to generated function engine_run.
286 (print_run_body): Fix SMP case.
288 * gen-support.c (support_c_function): Call sim_engine_abort when
289 internal function fails to long jump.
291 Wed Jan 21 18:00:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
293 * gen-semantics.c (print_semantic_body): Use GPR_SET to zero
296 Wed Dec 17 14:49:03 1997 Jeffrey A Law (law@cygnus.com)
298 * gen-semantics.c (print_semantic_body): Fix handling of
299 hardwired zero register.
301 Tue Dec 9 12:45:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
303 * igen.h (struct _igen_gen_options): Add member default_model.
305 * igen.c (gen_run_c): Default to the first machine in the
307 (main): Add MODEL parameter to gen-multi-sim option.
309 * gen.h (function_decl_type): Declare enum.
311 * gen-engine.c (print_engine_run_function_header), gen-engine.h:
312 Make global, pass function_decl_type as argument.
313 (gen_engine_h, gen_engine_c): Update call.
315 * gen-idecode.c (print_idecode_issue_function_header),
316 gen-idecode.h: Pass function_decl_type as argument.
318 * igen.c (gen_idecode_h): For multi-sim, delcare global variable
321 * igen.c (gen_run_c): For multi-sim, initialize globals
322 idecode_issue and engine_run.
324 Fri Nov 14 10:51:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
326 * ld-insn.c (parse_insn_model_record): Allow multiple model names
327 to be specified in a single instruction model record.
328 (dump_insn_model_entry): Update.
330 * ld-insn.h (struct _insn_model_entry): Replace member name with
331 the filter names. Document syntax change.
333 Wed Nov 12 15:45:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
335 * gen-engine.c (print_run_body): Add hooks for adding code before
336 and after an instruction has been issued.
338 1997-11-04 Brendan Kehoe <brendan@lisa.cygnus.com>
340 * gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of
341 `#ifdef 0' around this.
343 Tue Nov 4 08:18:29 1997 Michael Meissner <meissner@cygnus.com>
345 * ld-decode.c (load_decode_table): Don't assume NULL is an integer
348 Wed Oct 29 13:17:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
350 * ld-insn.h: Document mnemonic string format.
352 Tue Oct 28 10:50:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
354 * gen-icache.c (print_icache_extraction): Force result of atol to
357 * ld-insn.c (parse_function_record): Separate handling of old and
358 ney fynction records.
359 (load_insn_table): For %s record, hack function name & type after
362 * filter.h (filter_is_subset): Reverse argument names, wrong
365 * ld-insn.c (load_insn_table): Move include code to.
366 (parse_include_record): New function. Check for filtering of
367 include statement by both flags and models.
368 (load_insn_table): Check for model filtering of cache and model
370 (parse_model_data_record): Check for model & flag filtering of
372 (parse_function_record): Check for model & flag filtering of
375 * ld-insn.h: Define record_filter_models_field. Add filter-models
376 field to all but instruction records.
377 (struct _function_entry, struct _cache_entry): Add models field.
378 (nr_function_fields): Make parm field mandatory.
380 Mon Oct 27 15:14:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
382 * igen.c (main): Change -I option to -I<directory>. Add optional
383 size to -Ggen-icache option. Add -Gno-... support.
385 * igen.h (struct _igen_options): Add include field.
387 * ld-insn.c (enum insn_record_type, insn_type_map): Add
389 (load_insn_table): Call table_push when include record.
391 * table.c (struct _open table, struct table): Make table object an
392 indirect ptr to the current table file.
393 (current_line, new_table_entry, next_line): Make file arg type
395 (table_open): Use table_push.
396 (table_read): Point variable file at current table, at eof, pop
399 * table.h, table.c (table_push): New function.
401 Thu Oct 16 11:03:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
403 * gen-semantics.c (print_semantic_body): Use CIA not
404 cia.ip. Escape newlines at end of generated call to
407 Tue Oct 14 11:13:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
409 * igen.c (print_itrace): Output line-ref to igen source file when
410 generating trace statements.
411 (print_itrace_prefix, print_itrace_format): Escape newline at end
412 of each line of generated call to trace function.
414 Mon Oct 13 11:27:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
416 * gen-support.c (gen_support_h): Generate #define NIA. Definition
417 dependant on gen-delayed-branch mode.
419 * ld-insn.c (parse_insn_mnemonic_record): Check for opening and
420 closing double quote in mnemonic field.
421 (parse_option_record): Add gen-delayed-branch option.
423 Wed Oct 8 13:10:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
425 * gen.c (insn_list_insert): Missing \n in warning.
427 * ld-insn.c (load_insn_table): Only notify of discarded
428 instrctions when warn.discard enabled.
430 * igen.h: Add option.warn.discard, default enabled.
432 * igen.c (main): Add -Wnodiscard option.
434 * ld-insn.c (record_type): For old record type, check the number
435 of fields is correct.
436 (load_insn_table): Allow insn assembler and insn model records to
438 (parse_insn_model_record): Rename from parse_insn_model_records.
439 Parse only one record.
440 (parse_insn_mnemonic_record): Rename from
441 parse_insn_mnemonic_records. Parse only one record.
443 Tue Sep 23 15:52:06 1997 Felix Lee <flee@yin.cygnus.com>
445 * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
446 illegal zero-sized array.
447 (itable_print_set): likewise, avoid empty initializers.
449 Mon Sep 22 18:49:07 1997 Felix Lee <flee@cygnus.com>
451 * configure.in: i386-windows is a cross, so don't expect
452 libiberty to be there.
453 * configure: updated.
455 Fri Sep 19 10:36:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
457 * igen.c (print_function_name): Put the format name after the
458 function / instruction name, not before.
459 (print_itrace): Better format trace code.
461 Tue Sep 16 11:01:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
463 * gen.c (insns_bit_useless): Don't treat string fields restricted
464 to a range of values as useless.
466 Mon Sep 15 15:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
468 * igen.c (gen_run_c): Handle non-multi-sim case.
470 * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
473 Thu Sep 11 10:27:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
475 * gen-semantics.c (print_semantic_body): Trace the instruction
476 after it has been validated.
477 (print_semantic_body): Count the instruction using sim-profile.
479 Wed Sep 10 13:35:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
481 * gen-itable.c (gen_itable_h): Collect summary info on instruction
482 table when traversing it.
483 (gen_itable_h): Output an enum defining the max size of each of
484 the itable string members.
486 Tue Sep 9 03:30:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
488 * igen.c (gen_run_c): New function. Generate sim_engine_run that
489 looks at the currently selected architecture.
491 * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
492 one engine per model.
494 * gen-semantics.c, gen-icache.c gen-support.c:
497 * ld-insn.h, ld-insn-h (load_insn_table): Rewrite. table.h only
498 returns a line at a time. Parse multi-word instructions. Add
501 * table.h, table.c: Simplify. Only parse a single line at a time.
502 ld-insn can handle the rest.
504 * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
505 filter_is_common, filter_is_member, filter_next): New filter
507 (dump_filter): Ditto.
509 * gen.h, gen.c: New file. Takes the insn table and turns it into
510 a set of decode tables and semantic functions.
512 * ld-insn.c: Copy generator code from here.
515 Fri Aug 8 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
517 * misc.h (NZALLOC): Allocate an N element array of TYPE.
519 * table.h, table.c: Simplify table parser so that it only
520 understands colon delimited lines and code blocks.
521 (table_read): Parse '{' ... '}' as a code block.
522 (table_print_code): New function, print out a code block to file.
523 (main): Add suport for standalone testing.
525 * ld-insn.h, ld-insn.c:
528 Mon Sep 1 11:41:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
530 * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
531 (print_jump_definition, print_jump, print_jump_internal_function,
532 print_jump_insn, print_jump_until_stop_body): Delete, moved to
535 * igen.c (print_itrace_format): Delete unused variable chp.
536 (gen-engine.h): Include.
538 * table.c (current_file_name, current_line_entry,
539 current_line_entry): Make static.
541 Wed Aug 6 12:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
543 * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
544 RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
545 * configure.in: Include simulator common/aclocal.m4.
546 * configure.in: Add --enable-sim-warnings option.
547 * configure: Re-generate.
551 * Makefile.in (tmp-filter): New rule.
552 (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
553 ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
555 * gen.h, gen.c: New files.
557 * Makefile.in (gen.o, tmp-gen): New rules, update all
560 Tue Jun 24 11:46:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
562 * ld-insn.c (load_insn_table): Accept %s as a function type.
564 Thu Jun 5 17:14:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
566 * igen.c (print_itrace_prefix): Move printing of insn prefix to
568 (print_itrace_format): Drop printing of MY_NAME in instruction
569 trace. Printing of insn prefix moved.
570 (print_itrace): Ditto.
572 Fri May 30 11:27:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
574 * gen-icache.c (print_icache_function_header): Pass
575 table_line_entry instead of separate file and line.
577 * table.c (table_entry_read): Set assembler source file/line-nr to
578 the current not initial file.
579 (table_entry_read): Fix line numbering of source files.
581 table.h (table_line_entry): New structure. Exactly specifies a
583 (table_*_entry): Add this to all.
585 table.c (table_entry_print_cpp_line_nr): Change to use values from
586 a table_line_entry struct.
587 (table_entry_read): Save table_line_entry in all structures read.
589 gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
590 gen-model.c: Update all references.
592 Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
594 * igen.c (print_my_defines): Define MY_NAME - a string. For
595 MY_PREFIX, undefine the name of the function incase some dumb
596 header defined it. it.
597 (print_itrace): Use MY_NAME not MY_PREFIX.
599 * lf.c (lf_write): New function write an N character buffer to the
602 * igen.c (print_itrace): When available, use the assembler to
603 print the insn-trace.
604 (print_itrace_prefix): New function, print first part of call to
606 (print_itrace_format): New function, print fmt argument for
609 * table.c (table_entry_read): Save any assembler lines instead of
612 Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
614 * gen-icache.c (print_icache_body): Process immeds.
616 * gen-semantics.c (print_semantic_body): When computing NIA, skip
617 any immed words that follow the instruction word.
619 * ld-insn.c (parse_insn_format): Parse immeds appended to an
622 * igen.c (main): Allow any register to be specified as the zero
624 (semantic_zero_reg): Global, index to zero register.
626 * gen-semantics.c (print_semantic_body): Zero selected register.
628 Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
630 * igen.h: Stop options and code gen type bit masks overlaping.
632 Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
634 * gen-semantics.c (print_semantic_body): Incorrect test for
637 Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
639 * gen-semantics.c (print_semantic_body): Use common sim-engine
642 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
644 * gen-semantics.c (print_semantic_body): Add code to clear r0.
646 * igen.c (main): Add new option zero-r0, which adds code to clear
649 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
651 * igen.c (print_itrace): Fix so line-nr is passed to trace
654 * gen-idecode.c (print_idecode_validate): Correct FP code.
656 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
658 (print_support_function_name): Ditto.
660 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
662 * igen.c (print_itrace): Call trace_one_insn to trace
663 instructions, rather than doing it directly.
665 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
667 * gen-engine.c (engine_switch_leaf): Remove extra %s.
668 (print_engine_floating_point_unavailable): Wrap in #ifdef
669 UNUSED/#endif, until somebody uses it.
671 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
673 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
675 (print_idecode_validate): Use long formats to print long values.
677 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
678 if we get an unexpected type.
680 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
682 * igen.c (print_itrace): Pass SD as well as CPU to calls to
685 * gen-support.c (gen_support_h): Always pass sim_cia cia to
687 (print_support_function_name): Ditto.
689 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
691 * gen-support.c (support_c_function): Remove unnecessary memset of
693 * gen-semantics.c (print_semantic_body): Wasn't closing
696 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
698 * ld-insn.c (load_insn_table): Report instructions that do not
699 have at least a format and name.
700 (insn_table_find_opcode_field): Check progress is being made.
702 * gen-support.c (support_c_function): Report empty function body.
704 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
706 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
708 (insn_table_expand_insns): Allow special rules to apply to groups
709 of instructions when all members of the group match the special
712 * gen-semantics.c (print_c_semantic): Ditto.
713 * igen.c (print_semantic_function_formal): Ditto.
714 (print_semantic_function_type): Ditto.
715 * igen.c (print_icache_function_formal): Ditto.
716 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
718 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
719 instruction_address type.
721 * gen-semantics.c (print_semantic_body): Call cpu_error when an
722 unimplemented instruction is encountered - gives the interpreter
723 the chance to stop correctly.
725 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
727 * igen.c (print_function_name): Allow dot's in instruction names.
729 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
731 * igen.c (main), igen.h: Support new option - delayed-branch -
732 generate code to drive a delayed branch processor.
734 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
736 * igen.c (print_icache_function_formal): Replace address_word with
738 (print_semantic_function_formal): Ditto.
739 (print_semantic_function_type): Ditto.
740 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
742 * gen-semantics.c (print_semantic_body): Ditto.
743 (print_c_semantic): Ditto.
745 * gen-support.c (support_c_function): Return a zeroed CIA instead
746 of just zero - works with any cia type.
748 * igen.c (print_itrace): For delayed branch case, print just the
751 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
753 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
755 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
757 * Makefile.in (INSTALL): Set to @INSTALL@.
758 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
760 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
762 * Makefile.in (INSTALL): Change install.sh to install-sh.
764 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
766 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
767 * gen-idecode.c (gen_idecode_c): Likewise.
768 * igen.c (gen_semantics_c): Likewise.
770 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
772 * gen-icache.c (print_icache_body): No longer define cpu/sd,
773 support.h now defines CPU/SD globally.
775 * gen-model.c (gen_model_h): Ditto.
777 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
779 (print_jump_until_stop_body): Ditto.
780 (print_idecode_validate): Ditto.
782 * gen-icache.c (print_icache_body): Ditto.
784 * gen-semantics.c (print_semantic_body): Ditto.
786 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
788 (print_icache_function_formal): Ditto.
790 * gen-support.c (print_support_function_name): Include sd/cpu arg
791 in support function argument list.
792 (support_c_function): Generate code to cpu/sd from sd/cpu.
793 (gen_support_h): Define _SD the argument prefix for all support
794 functions. Define SD/CPU to determine sd/cpu from value of _SD
797 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
799 * gen-support.c (gen_support_c): Update for renaming of engine to
803 * gen-idecode.c (gen_idecode_c): Ditto.
805 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
807 * ld-decode.c (load_decode_table): Rename slash to reserved.
808 (dump_decode_rule): Ditto.
810 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
811 reserved bit - and a `*' - wild card.
812 (parse_insn_format): Change is_slash to more informative reserved.
813 (dump_insn_field): Ditto.
814 (insn_field_is_constant): Ditto.
815 (insn_table_expand_opcode): Ditto.
817 * gen-idecode.c (print_idecode_validate): Make check_mask and
818 check_val the correct integer size.
819 (print_idecode_validate): Fix reserved bit check for 64 bit
822 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
824 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
825 `/' in bit fields. `/' denotes a wild bit.
827 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
829 * igen.h, igen.c (main): New options. Control generation of
830 conditional issue and slot verification code.
832 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
834 * gen-support.c (print_support_function_name): Prepend the global
835 name prefix when applicable. Provide #define to map the user
836 specified name the generated globaly unique one.
838 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
840 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
841 - reserved bits, floating point and slot validation - with a
842 #ifdef so that they are optional.
844 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
846 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
847 - report the error of a leaf node in the decision tree containing
848 several instructions.
849 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
850 (print_idecode_switch_leaf): Ditto.
852 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
853 print_idecode_invalid): Rename former to latter. Add argument so
854 that one function can generate all invalid instruction cases -
855 illegal, fp-unavailable, wrong-slot.
856 * gen-engine.c: Update.
858 * gen-idecode.c: Use print_idecode_invalid to generate a function
859 call for cases when fp-unavailable and the slot is wrong.
861 * gen-idecode.c (print_idecode_validate): New check, generate code
862 to verify that the instruction slot is correct.
864 * igen.c (main): Simplify options.
866 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
868 * igen.c (print_itrace): Remove source line reference for trace
869 code - let the user see the generated file.
870 (print_itrace): Print the trace code rather than reference a
873 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
875 * igen.c (print_semantic_function_actual): Pass either the
876 processor - smp - or the engine - mono - into semantic functions.
879 * gen-icache.c (print_icache_body): Dependant on smp, derive
880 processor from engine or engine from processor, and hence ensuring
881 that both are defined in all semantic functions.
883 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
885 * ld-insn.c (parse_insn_format): Make the width field optional.
886 If missing assume that the number of characters in the value
887 determines the number of bits in the field.
889 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
891 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
892 more useful error message.
894 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
896 * misc.c (error): Output errors on stderr.
898 * ld-insn.c (parse_insn_format): Skip any leading spaces.
899 Verify the width of instructions being parsed.
901 * table.c (table_entry_read): Parse CPP's convention for
902 specifying original file name/line-nr.
904 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
906 * ld-insn.c (parse_insn_format): Allow trailing spaces in
909 * Makefile.in: Create using ../ppc/Makefile.in as a starting
911 * configure.in: Ditto vis ../ppc/configure.in
913 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
915 * gen-support.c (gen_support_c): Always include engine.h instead
917 * gen-idecode.c (gen_idecode_c): Ditto.
919 * words.h (instruction_word): Remove instruction_word - now
921 (address_word): New. Used by igen.
923 * lf.c (lf_print_function_type_function): New, pass a function to
924 print out the type instead of a constant string.
926 * igen.h, igen.c (print_semantic_function_formal,
927 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
928 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
929 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
930 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
931 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
932 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
933 * gen-idecode.c (print_idecode_table): Update.
934 (idecode_switch_leaf): Update.
935 (print_idecode_switch_function_header): Ditto.
936 (print_idecode_floating_point_unavailable): Ditto.
937 (print_idecode_issue_function_header): Ditto.
938 * igen.c (gen_icache_h): Ditto.
939 * gen-engine.c (print_engine_table): Ditto.
940 (engine_switch_leaf): Ditto.
941 * gen-support.c (print_support_function_name): Ditto.
942 * gen-semantics.c (print_semantic_function_header): Update.
944 * gen-icache.c (print_icache_function_header): Update.
945 (print_icache_function): Update.
946 (print_icache_internal_function_declaration): Update.
947 (print_icache_internal_function_definition): Update.
949 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
950 files, will at some stage need to move it into support.
952 * igen.h, igen.c (main): New option -e <engine> - generate a full
953 simulation engine. Previously this was the -d <idecode-file>
955 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
956 to clean these up so that that call upon the updated gen-idecode
959 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
960 generating a decode table.
962 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
964 * igen.h, igen.c (main): New option -M - Control what is returned
965 by semantic functions - -1/NIA vs CIA+N/NIA. Add
966 generate_semantic_returning_modified_nia_only to igen_code enum.
967 * gen-semantics.c (print_semantic_body): As an alternative, make
968 NIA == -1 instead of CIA+insn_size by default.
970 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
971 New option -P <prefix> - Prepend all generated functions with the
973 (gen_idecode_c): Adjust.
974 * gen-icache.c (print_icache_struct): Ditto.
975 * gen-support.c (gen_support_c): Ditto.
977 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
979 * igen.c (main): Correct usage. Missleading message about ucase
980 options dumping internal tables. -F now includes rather then
981 excludes instructions.
983 * misc.h, misc.c (a2i): Make 64bit.
985 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
986 max to 64bits, expect trouble. Make the default 32 bits.
987 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
988 et.al. macro's to use the insn_bit_size instead of assuming 32
990 * gen-icache.c (print_icache_extraction): Ditto.
991 * gen-idecode.c (idecode_switch_start): Ditto.
992 * gen-idecode.c (gen_idecode_c): Ditto
994 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
995 Indicates that the instruction field of the table is specifying
996 bit widths instead of bit offsets.
997 * ld-insn.c (parse_insn_format): Parse instruction fields
1000 * misc.c (a2i): Allow binary numbers to be specified using the
1002 * ld-insn.c: Allow such numbers to appear in the instruction
1005 * table.c (table_entry_read): Make // a valid comment character.
1006 (table_entry_read): Skip lines containing a leading " - these may
1007 eventually be used in a disasembler.
1009 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
1011 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
1012 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
1013 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
1014 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
1015 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
1016 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
1017 from the ../ppc directory.
1019 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
1020 renaming from filter_filename.[hc]