1 Wed Oct 8 13:10:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * gen.c (insn_list_insert): Missing \n in warning.
5 * ld-insn.c (load_insn_table): Only notify of discarded
6 instrctions when warn.discard enabled.
8 * igen.h: Add option.warn.discard, default enabled.
10 * igen.c (main): Add -Wnodiscard option.
12 * ld-insn.c (record_type): For old record type, check the number
14 (load_insn_table): Allow insn assembler and insn model records to
16 (parse_insn_model_record): Rename from parse_insn_model_records.
17 Parse only one record.
18 (parse_insn_mnemonic_record): Rename from
19 parse_insn_mnemonic_records. Parse only one record.
21 Tue Sep 23 15:52:06 1997 Felix Lee <flee@yin.cygnus.com>
23 * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
24 illegal zero-sized array.
25 (itable_print_set): likewise, avoid empty initializers.
27 Mon Sep 22 18:49:07 1997 Felix Lee <flee@cygnus.com>
29 * configure.in: i386-windows is a cross, so don't expect
30 libiberty to be there.
33 Fri Sep 19 10:36:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
35 * igen.c (print_function_name): Put the format name after the
36 function / instruction name, not before.
37 (print_itrace): Better format trace code.
39 Tue Sep 16 11:01:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
41 * gen.c (insns_bit_useless): Don't treat string fields restricted
42 to a range of values as useless.
44 Mon Sep 15 15:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
46 * igen.c (gen_run_c): Handle non-multi-sim case.
48 * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
51 Thu Sep 11 10:27:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
53 * gen-semantics.c (print_semantic_body): Trace the instruction
54 after it has been validated.
55 (print_semantic_body): Count the instruction using sim-profile.
57 Wed Sep 10 13:35:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
59 * gen-itable.c (gen_itable_h): Collect summary info on instruction
60 table when traversing it.
61 (gen_itable_h): Output an enum defining the max size of each of
62 the itable string members.
64 Tue Sep 9 03:30:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
66 * igen.c (gen_run_c): New function. Generate sim_engine_run that
67 looks at the currently selected architecture.
69 * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
72 * gen-semantics.c, gen-icache.c gen-support.c:
75 * ld-insn.h, ld-insn-h (load_insn_table): Rewrite. table.h only
76 returns a line at a time. Parse multi-word instructions. Add
79 * table.h, table.c: Simplify. Only parse a single line at a time.
80 ld-insn can handle the rest.
82 * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
83 filter_is_common, filter_is_member, filter_next): New filter
87 * gen.h, gen.c: New file. Takes the insn table and turns it into
88 a set of decode tables and semantic functions.
90 * ld-insn.c: Copy generator code from here.
93 Fri Aug 8 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
95 * misc.h (NZALLOC): Allocate an N element array of TYPE.
97 * table.h, table.c: Simplify table parser so that it only
98 understands colon delimited lines and code blocks.
99 (table_read): Parse '{' ... '}' as a code block.
100 (table_print_code): New function, print out a code block to file.
101 (main): Add suport for standalone testing.
103 * ld-insn.h, ld-insn.c:
106 Mon Sep 1 11:41:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
108 * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
109 (print_jump_definition, print_jump, print_jump_internal_function,
110 print_jump_insn, print_jump_until_stop_body): Delete, moved to
113 * igen.c (print_itrace_format): Delete unused variable chp.
114 (gen-engine.h): Include.
116 * table.c (current_file_name, current_line_entry,
117 current_line_entry): Make static.
119 Wed Aug 6 12:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
121 * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
122 RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
123 * configure.in: Include simulator common/aclocal.m4.
124 * configure.in: Add --enable-sim-warnings option.
125 * configure: Re-generate.
129 * Makefile.in (tmp-filter): New rule.
130 (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
131 ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
133 * gen.h, gen.c: New files.
135 * Makefile.in (gen.o, tmp-gen): New rules, update all
138 Tue Jun 24 11:46:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
140 * ld-insn.c (load_insn_table): Accept %s as a function type.
142 Thu Jun 5 17:14:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
144 * igen.c (print_itrace_prefix): Move printing of insn prefix to
146 (print_itrace_format): Drop printing of MY_NAME in instruction
147 trace. Printing of insn prefix moved.
148 (print_itrace): Ditto.
150 Fri May 30 11:27:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
152 * gen-icache.c (print_icache_function_header): Pass
153 table_line_entry instead of separate file and line.
155 * table.c (table_entry_read): Set assembler source file/line-nr to
156 the current not initial file.
157 (table_entry_read): Fix line numbering of source files.
159 table.h (table_line_entry): New structure. Exactly specifies a
161 (table_*_entry): Add this to all.
163 table.c (table_entry_print_cpp_line_nr): Change to use values from
164 a table_line_entry struct.
165 (table_entry_read): Save table_line_entry in all structures read.
167 gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
168 gen-model.c: Update all references.
170 Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
172 * igen.c (print_my_defines): Define MY_NAME - a string. For
173 MY_PREFIX, undefine the name of the function incase some dumb
174 header defined it. it.
175 (print_itrace): Use MY_NAME not MY_PREFIX.
177 * lf.c (lf_write): New function write an N character buffer to the
180 * igen.c (print_itrace): When available, use the assembler to
181 print the insn-trace.
182 (print_itrace_prefix): New function, print first part of call to
184 (print_itrace_format): New function, print fmt argument for
187 * table.c (table_entry_read): Save any assembler lines instead of
190 Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
192 * gen-icache.c (print_icache_body): Process immeds.
194 * gen-semantics.c (print_semantic_body): When computing NIA, skip
195 any immed words that follow the instruction word.
197 * ld-insn.c (parse_insn_format): Parse immeds appended to an
200 * igen.c (main): Allow any register to be specified as the zero
202 (semantic_zero_reg): Global, index to zero register.
204 * gen-semantics.c (print_semantic_body): Zero selected register.
206 Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
208 * igen.h: Stop options and code gen type bit masks overlaping.
210 Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
212 * gen-semantics.c (print_semantic_body): Incorrect test for
215 Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
217 * gen-semantics.c (print_semantic_body): Use common sim-engine
220 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
222 * gen-semantics.c (print_semantic_body): Add code to clear r0.
224 * igen.c (main): Add new option zero-r0, which adds code to clear
227 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
229 * igen.c (print_itrace): Fix so line-nr is passed to trace
232 * gen-idecode.c (print_idecode_validate): Correct FP code.
234 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
236 (print_support_function_name): Ditto.
238 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
240 * igen.c (print_itrace): Call trace_one_insn to trace
241 instructions, rather than doing it directly.
243 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
245 * gen-engine.c (engine_switch_leaf): Remove extra %s.
246 (print_engine_floating_point_unavailable): Wrap in #ifdef
247 UNUSED/#endif, until somebody uses it.
249 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
251 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
253 (print_idecode_validate): Use long formats to print long values.
255 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
256 if we get an unexpected type.
258 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
260 * igen.c (print_itrace): Pass SD as well as CPU to calls to
263 * gen-support.c (gen_support_h): Always pass sim_cia cia to
265 (print_support_function_name): Ditto.
267 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
269 * gen-support.c (support_c_function): Remove unnecessary memset of
271 * gen-semantics.c (print_semantic_body): Wasn't closing
274 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
276 * ld-insn.c (load_insn_table): Report instructions that do not
277 have at least a format and name.
278 (insn_table_find_opcode_field): Check progress is being made.
280 * gen-support.c (support_c_function): Report empty function body.
282 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
284 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
286 (insn_table_expand_insns): Allow special rules to apply to groups
287 of instructions when all members of the group match the special
290 * gen-semantics.c (print_c_semantic): Ditto.
291 * igen.c (print_semantic_function_formal): Ditto.
292 (print_semantic_function_type): Ditto.
293 * igen.c (print_icache_function_formal): Ditto.
294 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
296 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
297 instruction_address type.
299 * gen-semantics.c (print_semantic_body): Call cpu_error when an
300 unimplemented instruction is encountered - gives the interpreter
301 the chance to stop correctly.
303 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
305 * igen.c (print_function_name): Allow dot's in instruction names.
307 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
309 * igen.c (main), igen.h: Support new option - delayed-branch -
310 generate code to drive a delayed branch processor.
312 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
314 * igen.c (print_icache_function_formal): Replace address_word with
316 (print_semantic_function_formal): Ditto.
317 (print_semantic_function_type): Ditto.
318 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
320 * gen-semantics.c (print_semantic_body): Ditto.
321 (print_c_semantic): Ditto.
323 * gen-support.c (support_c_function): Return a zeroed CIA instead
324 of just zero - works with any cia type.
326 * igen.c (print_itrace): For delayed branch case, print just the
329 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
331 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
333 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
335 * Makefile.in (INSTALL): Set to @INSTALL@.
336 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
338 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
340 * Makefile.in (INSTALL): Change install.sh to install-sh.
342 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
344 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
345 * gen-idecode.c (gen_idecode_c): Likewise.
346 * igen.c (gen_semantics_c): Likewise.
348 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
350 * gen-icache.c (print_icache_body): No longer define cpu/sd,
351 support.h now defines CPU/SD globally.
353 * gen-model.c (gen_model_h): Ditto.
355 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
357 (print_jump_until_stop_body): Ditto.
358 (print_idecode_validate): Ditto.
360 * gen-icache.c (print_icache_body): Ditto.
362 * gen-semantics.c (print_semantic_body): Ditto.
364 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
366 (print_icache_function_formal): Ditto.
368 * gen-support.c (print_support_function_name): Include sd/cpu arg
369 in support function argument list.
370 (support_c_function): Generate code to cpu/sd from sd/cpu.
371 (gen_support_h): Define _SD the argument prefix for all support
372 functions. Define SD/CPU to determine sd/cpu from value of _SD
375 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
377 * gen-support.c (gen_support_c): Update for renaming of engine to
381 * gen-idecode.c (gen_idecode_c): Ditto.
383 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
385 * ld-decode.c (load_decode_table): Rename slash to reserved.
386 (dump_decode_rule): Ditto.
388 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
389 reserved bit - and a `*' - wild card.
390 (parse_insn_format): Change is_slash to more informative reserved.
391 (dump_insn_field): Ditto.
392 (insn_field_is_constant): Ditto.
393 (insn_table_expand_opcode): Ditto.
395 * gen-idecode.c (print_idecode_validate): Make check_mask and
396 check_val the correct integer size.
397 (print_idecode_validate): Fix reserved bit check for 64 bit
400 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
402 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
403 `/' in bit fields. `/' denotes a wild bit.
405 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
407 * igen.h, igen.c (main): New options. Control generation of
408 conditional issue and slot verification code.
410 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
412 * gen-support.c (print_support_function_name): Prepend the global
413 name prefix when applicable. Provide #define to map the user
414 specified name the generated globaly unique one.
416 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
418 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
419 - reserved bits, floating point and slot validation - with a
420 #ifdef so that they are optional.
422 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
424 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
425 - report the error of a leaf node in the decision tree containing
426 several instructions.
427 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
428 (print_idecode_switch_leaf): Ditto.
430 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
431 print_idecode_invalid): Rename former to latter. Add argument so
432 that one function can generate all invalid instruction cases -
433 illegal, fp-unavailable, wrong-slot.
434 * gen-engine.c: Update.
436 * gen-idecode.c: Use print_idecode_invalid to generate a function
437 call for cases when fp-unavailable and the slot is wrong.
439 * gen-idecode.c (print_idecode_validate): New check, generate code
440 to verify that the instruction slot is correct.
442 * igen.c (main): Simplify options.
444 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
446 * igen.c (print_itrace): Remove source line reference for trace
447 code - let the user see the generated file.
448 (print_itrace): Print the trace code rather than reference a
451 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
453 * igen.c (print_semantic_function_actual): Pass either the
454 processor - smp - or the engine - mono - into semantic functions.
457 * gen-icache.c (print_icache_body): Dependant on smp, derive
458 processor from engine or engine from processor, and hence ensuring
459 that both are defined in all semantic functions.
461 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
463 * ld-insn.c (parse_insn_format): Make the width field optional.
464 If missing assume that the number of characters in the value
465 determines the number of bits in the field.
467 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
469 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
470 more useful error message.
472 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
474 * misc.c (error): Output errors on stderr.
476 * ld-insn.c (parse_insn_format): Skip any leading spaces.
477 Verify the width of instructions being parsed.
479 * table.c (table_entry_read): Parse CPP's convention for
480 specifying original file name/line-nr.
482 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
484 * ld-insn.c (parse_insn_format): Allow trailing spaces in
487 * Makefile.in: Create using ../ppc/Makefile.in as a starting
489 * configure.in: Ditto vis ../ppc/configure.in
491 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
493 * gen-support.c (gen_support_c): Always include engine.h instead
495 * gen-idecode.c (gen_idecode_c): Ditto.
497 * words.h (instruction_word): Remove instruction_word - now
499 (address_word): New. Used by igen.
501 * lf.c (lf_print_function_type_function): New, pass a function to
502 print out the type instead of a constant string.
504 * igen.h, igen.c (print_semantic_function_formal,
505 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
506 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
507 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
508 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
509 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
510 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
511 * gen-idecode.c (print_idecode_table): Update.
512 (idecode_switch_leaf): Update.
513 (print_idecode_switch_function_header): Ditto.
514 (print_idecode_floating_point_unavailable): Ditto.
515 (print_idecode_issue_function_header): Ditto.
516 * igen.c (gen_icache_h): Ditto.
517 * gen-engine.c (print_engine_table): Ditto.
518 (engine_switch_leaf): Ditto.
519 * gen-support.c (print_support_function_name): Ditto.
520 * gen-semantics.c (print_semantic_function_header): Update.
522 * gen-icache.c (print_icache_function_header): Update.
523 (print_icache_function): Update.
524 (print_icache_internal_function_declaration): Update.
525 (print_icache_internal_function_definition): Update.
527 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
528 files, will at some stage need to move it into support.
530 * igen.h, igen.c (main): New option -e <engine> - generate a full
531 simulation engine. Previously this was the -d <idecode-file>
533 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
534 to clean these up so that that call upon the updated gen-idecode
537 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
538 generating a decode table.
540 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
542 * igen.h, igen.c (main): New option -M - Control what is returned
543 by semantic functions - -1/NIA vs CIA+N/NIA. Add
544 generate_semantic_returning_modified_nia_only to igen_code enum.
545 * gen-semantics.c (print_semantic_body): As an alternative, make
546 NIA == -1 instead of CIA+insn_size by default.
548 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
549 New option -P <prefix> - Prepend all generated functions with the
551 (gen_idecode_c): Adjust.
552 * gen-icache.c (print_icache_struct): Ditto.
553 * gen-support.c (gen_support_c): Ditto.
555 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
557 * igen.c (main): Correct usage. Missleading message about ucase
558 options dumping internal tables. -F now includes rather then
559 excludes instructions.
561 * misc.h, misc.c (a2i): Make 64bit.
563 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
564 max to 64bits, expect trouble. Make the default 32 bits.
565 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
566 et.al. macro's to use the insn_bit_size instead of assuming 32
568 * gen-icache.c (print_icache_extraction): Ditto.
569 * gen-idecode.c (idecode_switch_start): Ditto.
570 * gen-idecode.c (gen_idecode_c): Ditto
572 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
573 Indicates that the instruction field of the table is specifying
574 bit widths instead of bit offsets.
575 * ld-insn.c (parse_insn_format): Parse instruction fields
578 * misc.c (a2i): Allow binary numbers to be specified using the
580 * ld-insn.c: Allow such numbers to appear in the instruction
583 * table.c (table_entry_read): Make // a valid comment character.
584 (table_entry_read): Skip lines containing a leading " - these may
585 eventually be used in a disasembler.
587 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
589 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
590 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
591 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
592 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
593 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
594 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
595 from the ../ppc directory.
597 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
598 renaming from filter_filename.[hc]