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