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