1 Mon Sep 15 15:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * igen.c (gen_run_c): Handle non-multi-sim case.
5 * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
8 Thu Sep 11 10:27:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
10 * gen-semantics.c (print_semantic_body): Trace the instruction
11 after it has been validated.
12 (print_semantic_body): Count the instruction using sim-profile.
14 Wed Sep 10 13:35:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
16 * gen-itable.c (gen_itable_h): Collect summary info on instruction
17 table when traversing it.
18 (gen_itable_h): Output an enum defining the max size of each of
19 the itable string members.
21 Tue Sep 9 03:30:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
23 * igen.c (gen_run_c): New function. Generate sim_engine_run that
24 looks at the currently selected architecture.
26 * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
29 * gen-semantics.c, gen-icache.c gen-support.c:
32 * ld-insn.h, ld-insn-h (load_insn_table): Rewrite. table.h only
33 returns a line at a time. Parse multi-word instructions. Add
36 * table.h, table.c: Simplify. Only parse a single line at a time.
37 ld-insn can handle the rest.
39 * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
40 filter_is_common, filter_is_member, filter_next): New filter
44 * gen.h, gen.c: New file. Takes the insn table and turns it into
45 a set of decode tables and semantic functions.
47 * ld-insn.c: Copy generator code from here.
50 Fri Aug 8 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
52 * misc.h (NZALLOC): Allocate an N element array of TYPE.
54 * table.h, table.c: Simplify table parser so that it only
55 understands colon delimited lines and code blocks.
56 (table_read): Parse '{' ... '}' as a code block.
57 (table_print_code): New function, print out a code block to file.
58 (main): Add suport for standalone testing.
60 * ld-insn.h, ld-insn.c:
63 Mon Sep 1 11:41:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
65 * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
66 (print_jump_definition, print_jump, print_jump_internal_function,
67 print_jump_insn, print_jump_until_stop_body): Delete, moved to
70 * igen.c (print_itrace_format): Delete unused variable chp.
71 (gen-engine.h): Include.
73 * table.c (current_file_name, current_line_entry,
74 current_line_entry): Make static.
76 Wed Aug 6 12:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
78 * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
79 RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
80 * configure.in: Include simulator common/aclocal.m4.
81 * configure.in: Add --enable-sim-warnings option.
82 * configure: Re-generate.
86 * Makefile.in (tmp-filter): New rule.
87 (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
88 ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
90 * gen.h, gen.c: New files.
92 * Makefile.in (gen.o, tmp-gen): New rules, update all
95 Tue Jun 24 11:46:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
97 * ld-insn.c (load_insn_table): Accept %s as a function type.
99 Thu Jun 5 17:14:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
101 * igen.c (print_itrace_prefix): Move printing of insn prefix to
103 (print_itrace_format): Drop printing of MY_NAME in instruction
104 trace. Printing of insn prefix moved.
105 (print_itrace): Ditto.
107 Fri May 30 11:27:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
109 * gen-icache.c (print_icache_function_header): Pass
110 table_line_entry instead of separate file and line.
112 * table.c (table_entry_read): Set assembler source file/line-nr to
113 the current not initial file.
114 (table_entry_read): Fix line numbering of source files.
116 table.h (table_line_entry): New structure. Exactly specifies a
118 (table_*_entry): Add this to all.
120 table.c (table_entry_print_cpp_line_nr): Change to use values from
121 a table_line_entry struct.
122 (table_entry_read): Save table_line_entry in all structures read.
124 gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
125 gen-model.c: Update all references.
127 Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
129 * igen.c (print_my_defines): Define MY_NAME - a string. For
130 MY_PREFIX, undefine the name of the function incase some dumb
131 header defined it. it.
132 (print_itrace): Use MY_NAME not MY_PREFIX.
134 * lf.c (lf_write): New function write an N character buffer to the
137 * igen.c (print_itrace): When available, use the assembler to
138 print the insn-trace.
139 (print_itrace_prefix): New function, print first part of call to
141 (print_itrace_format): New function, print fmt argument for
144 * table.c (table_entry_read): Save any assembler lines instead of
147 Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
149 * gen-icache.c (print_icache_body): Process immeds.
151 * gen-semantics.c (print_semantic_body): When computing NIA, skip
152 any immed words that follow the instruction word.
154 * ld-insn.c (parse_insn_format): Parse immeds appended to an
157 * igen.c (main): Allow any register to be specified as the zero
159 (semantic_zero_reg): Global, index to zero register.
161 * gen-semantics.c (print_semantic_body): Zero selected register.
163 Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
165 * igen.h: Stop options and code gen type bit masks overlaping.
167 Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
169 * gen-semantics.c (print_semantic_body): Incorrect test for
172 Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
174 * gen-semantics.c (print_semantic_body): Use common sim-engine
177 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
179 * gen-semantics.c (print_semantic_body): Add code to clear r0.
181 * igen.c (main): Add new option zero-r0, which adds code to clear
184 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
186 * igen.c (print_itrace): Fix so line-nr is passed to trace
189 * gen-idecode.c (print_idecode_validate): Correct FP code.
191 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
193 (print_support_function_name): Ditto.
195 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
197 * igen.c (print_itrace): Call trace_one_insn to trace
198 instructions, rather than doing it directly.
200 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
202 * gen-engine.c (engine_switch_leaf): Remove extra %s.
203 (print_engine_floating_point_unavailable): Wrap in #ifdef
204 UNUSED/#endif, until somebody uses it.
206 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
208 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
210 (print_idecode_validate): Use long formats to print long values.
212 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
213 if we get an unexpected type.
215 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
217 * igen.c (print_itrace): Pass SD as well as CPU to calls to
220 * gen-support.c (gen_support_h): Always pass sim_cia cia to
222 (print_support_function_name): Ditto.
224 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
226 * gen-support.c (support_c_function): Remove unnecessary memset of
228 * gen-semantics.c (print_semantic_body): Wasn't closing
231 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
233 * ld-insn.c (load_insn_table): Report instructions that do not
234 have at least a format and name.
235 (insn_table_find_opcode_field): Check progress is being made.
237 * gen-support.c (support_c_function): Report empty function body.
239 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
241 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
243 (insn_table_expand_insns): Allow special rules to apply to groups
244 of instructions when all members of the group match the special
247 * gen-semantics.c (print_c_semantic): Ditto.
248 * igen.c (print_semantic_function_formal): Ditto.
249 (print_semantic_function_type): Ditto.
250 * igen.c (print_icache_function_formal): Ditto.
251 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
253 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
254 instruction_address type.
256 * gen-semantics.c (print_semantic_body): Call cpu_error when an
257 unimplemented instruction is encountered - gives the interpreter
258 the chance to stop correctly.
260 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
262 * igen.c (print_function_name): Allow dot's in instruction names.
264 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
266 * igen.c (main), igen.h: Support new option - delayed-branch -
267 generate code to drive a delayed branch processor.
269 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
271 * igen.c (print_icache_function_formal): Replace address_word with
273 (print_semantic_function_formal): Ditto.
274 (print_semantic_function_type): Ditto.
275 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
277 * gen-semantics.c (print_semantic_body): Ditto.
278 (print_c_semantic): Ditto.
280 * gen-support.c (support_c_function): Return a zeroed CIA instead
281 of just zero - works with any cia type.
283 * igen.c (print_itrace): For delayed branch case, print just the
286 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
288 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
290 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
292 * Makefile.in (INSTALL): Set to @INSTALL@.
293 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
295 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
297 * Makefile.in (INSTALL): Change install.sh to install-sh.
299 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
301 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
302 * gen-idecode.c (gen_idecode_c): Likewise.
303 * igen.c (gen_semantics_c): Likewise.
305 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
307 * gen-icache.c (print_icache_body): No longer define cpu/sd,
308 support.h now defines CPU/SD globally.
310 * gen-model.c (gen_model_h): Ditto.
312 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
314 (print_jump_until_stop_body): Ditto.
315 (print_idecode_validate): Ditto.
317 * gen-icache.c (print_icache_body): Ditto.
319 * gen-semantics.c (print_semantic_body): Ditto.
321 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
323 (print_icache_function_formal): Ditto.
325 * gen-support.c (print_support_function_name): Include sd/cpu arg
326 in support function argument list.
327 (support_c_function): Generate code to cpu/sd from sd/cpu.
328 (gen_support_h): Define _SD the argument prefix for all support
329 functions. Define SD/CPU to determine sd/cpu from value of _SD
332 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
334 * gen-support.c (gen_support_c): Update for renaming of engine to
338 * gen-idecode.c (gen_idecode_c): Ditto.
340 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
342 * ld-decode.c (load_decode_table): Rename slash to reserved.
343 (dump_decode_rule): Ditto.
345 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
346 reserved bit - and a `*' - wild card.
347 (parse_insn_format): Change is_slash to more informative reserved.
348 (dump_insn_field): Ditto.
349 (insn_field_is_constant): Ditto.
350 (insn_table_expand_opcode): Ditto.
352 * gen-idecode.c (print_idecode_validate): Make check_mask and
353 check_val the correct integer size.
354 (print_idecode_validate): Fix reserved bit check for 64 bit
357 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
359 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
360 `/' in bit fields. `/' denotes a wild bit.
362 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
364 * igen.h, igen.c (main): New options. Control generation of
365 conditional issue and slot verification code.
367 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
369 * gen-support.c (print_support_function_name): Prepend the global
370 name prefix when applicable. Provide #define to map the user
371 specified name the generated globaly unique one.
373 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
375 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
376 - reserved bits, floating point and slot validation - with a
377 #ifdef so that they are optional.
379 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
381 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
382 - report the error of a leaf node in the decision tree containing
383 several instructions.
384 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
385 (print_idecode_switch_leaf): Ditto.
387 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
388 print_idecode_invalid): Rename former to latter. Add argument so
389 that one function can generate all invalid instruction cases -
390 illegal, fp-unavailable, wrong-slot.
391 * gen-engine.c: Update.
393 * gen-idecode.c: Use print_idecode_invalid to generate a function
394 call for cases when fp-unavailable and the slot is wrong.
396 * gen-idecode.c (print_idecode_validate): New check, generate code
397 to verify that the instruction slot is correct.
399 * igen.c (main): Simplify options.
401 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
403 * igen.c (print_itrace): Remove source line reference for trace
404 code - let the user see the generated file.
405 (print_itrace): Print the trace code rather than reference a
408 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
410 * igen.c (print_semantic_function_actual): Pass either the
411 processor - smp - or the engine - mono - into semantic functions.
414 * gen-icache.c (print_icache_body): Dependant on smp, derive
415 processor from engine or engine from processor, and hence ensuring
416 that both are defined in all semantic functions.
418 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
420 * ld-insn.c (parse_insn_format): Make the width field optional.
421 If missing assume that the number of characters in the value
422 determines the number of bits in the field.
424 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
426 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
427 more useful error message.
429 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
431 * misc.c (error): Output errors on stderr.
433 * ld-insn.c (parse_insn_format): Skip any leading spaces.
434 Verify the width of instructions being parsed.
436 * table.c (table_entry_read): Parse CPP's convention for
437 specifying original file name/line-nr.
439 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
441 * ld-insn.c (parse_insn_format): Allow trailing spaces in
444 * Makefile.in: Create using ../ppc/Makefile.in as a starting
446 * configure.in: Ditto vis ../ppc/configure.in
448 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
450 * gen-support.c (gen_support_c): Always include engine.h instead
452 * gen-idecode.c (gen_idecode_c): Ditto.
454 * words.h (instruction_word): Remove instruction_word - now
456 (address_word): New. Used by igen.
458 * lf.c (lf_print_function_type_function): New, pass a function to
459 print out the type instead of a constant string.
461 * igen.h, igen.c (print_semantic_function_formal,
462 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
463 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
464 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
465 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
466 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
467 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
468 * gen-idecode.c (print_idecode_table): Update.
469 (idecode_switch_leaf): Update.
470 (print_idecode_switch_function_header): Ditto.
471 (print_idecode_floating_point_unavailable): Ditto.
472 (print_idecode_issue_function_header): Ditto.
473 * igen.c (gen_icache_h): Ditto.
474 * gen-engine.c (print_engine_table): Ditto.
475 (engine_switch_leaf): Ditto.
476 * gen-support.c (print_support_function_name): Ditto.
477 * gen-semantics.c (print_semantic_function_header): Update.
479 * gen-icache.c (print_icache_function_header): Update.
480 (print_icache_function): Update.
481 (print_icache_internal_function_declaration): Update.
482 (print_icache_internal_function_definition): Update.
484 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
485 files, will at some stage need to move it into support.
487 * igen.h, igen.c (main): New option -e <engine> - generate a full
488 simulation engine. Previously this was the -d <idecode-file>
490 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
491 to clean these up so that that call upon the updated gen-idecode
494 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
495 generating a decode table.
497 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
499 * igen.h, igen.c (main): New option -M - Control what is returned
500 by semantic functions - -1/NIA vs CIA+N/NIA. Add
501 generate_semantic_returning_modified_nia_only to igen_code enum.
502 * gen-semantics.c (print_semantic_body): As an alternative, make
503 NIA == -1 instead of CIA+insn_size by default.
505 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
506 New option -P <prefix> - Prepend all generated functions with the
508 (gen_idecode_c): Adjust.
509 * gen-icache.c (print_icache_struct): Ditto.
510 * gen-support.c (gen_support_c): Ditto.
512 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
514 * igen.c (main): Correct usage. Missleading message about ucase
515 options dumping internal tables. -F now includes rather then
516 excludes instructions.
518 * misc.h, misc.c (a2i): Make 64bit.
520 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
521 max to 64bits, expect trouble. Make the default 32 bits.
522 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
523 et.al. macro's to use the insn_bit_size instead of assuming 32
525 * gen-icache.c (print_icache_extraction): Ditto.
526 * gen-idecode.c (idecode_switch_start): Ditto.
527 * gen-idecode.c (gen_idecode_c): Ditto
529 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
530 Indicates that the instruction field of the table is specifying
531 bit widths instead of bit offsets.
532 * ld-insn.c (parse_insn_format): Parse instruction fields
535 * misc.c (a2i): Allow binary numbers to be specified using the
537 * ld-insn.c: Allow such numbers to appear in the instruction
540 * table.c (table_entry_read): Make // a valid comment character.
541 (table_entry_read): Skip lines containing a leading " - these may
542 eventually be used in a disasembler.
544 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
546 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
547 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
548 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
549 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
550 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
551 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
552 from the ../ppc directory.
554 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
555 renaming from filter_filename.[hc]