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