Add support for 16 byte quantities to sim-endian macro H2T.
[deliverable/binutils-gdb.git] / sim / igen / ChangeLog
CommitLineData
89d09738
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1Tue Oct 28 10:50:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2
3 * gen-icache.c (print_icache_extraction): Force result of atol to
4 unsigned.
5
6 * ld-insn.c (parse_function_record): Separate handling of old and
7 ney fynction records.
8 (load_insn_table): For %s record, hack function name & type after
9 it has been parsed.
10
11 * filter.h (filter_is_subset): Reverse argument names, wrong
12 order.
13
14 * ld-insn.c (load_insn_table): Move include code to.
15 (parse_include_record): New function. Check for filtering of
16 include statement by both flags and models.
17 (load_insn_table): Check for model filtering of cache and model
18 records.
19 (parse_model_data_record): Check for model & flag filtering of
20 model data records.
21 (parse_function_record): Check for model & flag filtering of
22 function records.
23
24 * ld-insn.h: Define record_filter_models_field. Add filter-models
25 field to all but instruction records.
26 (struct _function_entry, struct _cache_entry): Add models field.
27 (nr_function_fields): Make parm field mandatory.
28
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29Mon Oct 27 15:14:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
30
31 * igen.c (main): Change -I option to -I<directory>. Add optional
32 size to -Ggen-icache option. Add -Gno-... support.
33
34 * igen.h (struct _igen_options): Add include field.
35
36 * ld-insn.c (enum insn_record_type, insn_type_map): Add
37 include_record.
38 (load_insn_table): Call table_push when include record.
39
40 * table.c (struct _open table, struct table): Make table object an
41 indirect ptr to the current table file.
42 (current_line, new_table_entry, next_line): Make file arg type
43 open_table.
44 (table_open): Use table_push.
45 (table_read): Point variable file at current table, at eof, pop
46 last open table.
47
48 * table.h, table.c (table_push): New function.
49
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50Thu Oct 16 11:03:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
51
52 * gen-semantics.c (print_semantic_body): Use CIA not
53 cia.ip. Escape newlines at end of generated call to
54 sim_engine_abort.
55
d5cecca9
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56Tue Oct 14 11:13:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
57
58 * igen.c (print_itrace): Output line-ref to igen source file when
59 generating trace statements.
60 (print_itrace_prefix, print_itrace_format): Escape newline at end
61 of each line of generated call to trace function.
62
63Mon Oct 13 11:27:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
64
65 * gen-support.c (gen_support_h): Generate #define NIA. Definition
66 dependant on gen-delayed-branch mode.
67
68 * ld-insn.c (parse_insn_mnemonic_record): Check for opening and
69 closing double quote in mnemonic field.
70 (parse_option_record): Add gen-delayed-branch option.
71
8782bfcf
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72Wed Oct 8 13:10:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
73
74 * gen.c (insn_list_insert): Missing \n in warning.
75
76 * ld-insn.c (load_insn_table): Only notify of discarded
77 instrctions when warn.discard enabled.
78
79 * igen.h: Add option.warn.discard, default enabled.
80
81 * igen.c (main): Add -Wnodiscard option.
82
83 * ld-insn.c (record_type): For old record type, check the number
84 of fields is correct.
85 (load_insn_table): Allow insn assembler and insn model records to
86 appear in any order.
87 (parse_insn_model_record): Rename from parse_insn_model_records.
88 Parse only one record.
89 (parse_insn_mnemonic_record): Rename from
90 parse_insn_mnemonic_records. Parse only one record.
91
92Tue Sep 23 15:52:06 1997 Felix Lee <flee@yin.cygnus.com>
93
94 * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid
95 illegal zero-sized array.
96 (itable_print_set): likewise, avoid empty initializers.
97
98Mon Sep 22 18:49:07 1997 Felix Lee <flee@cygnus.com>
99
100 * configure.in: i386-windows is a cross, so don't expect
101 libiberty to be there.
102 * configure: updated.
103
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104Fri Sep 19 10:36:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
105
106 * igen.c (print_function_name): Put the format name after the
107 function / instruction name, not before.
8782bfcf 108 (print_itrace): Better format trace code.
6a4c8f1e 109
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110Tue Sep 16 11:01:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
111
112 * gen.c (insns_bit_useless): Don't treat string fields restricted
113 to a range of values as useless.
114
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115Mon Sep 15 15:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
116
06042536
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117 * igen.c (gen_run_c): Handle non-multi-sim case.
118
a2ab5e65
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119 * gen-support.c (gen_support_h): Define SD_ - to replace _SD.
120 Define CIA from cia.
121
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122Thu Sep 11 10:27:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
123
124 * gen-semantics.c (print_semantic_body): Trace the instruction
125 after it has been validated.
126 (print_semantic_body): Count the instruction using sim-profile.
127
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128Wed Sep 10 13:35:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
129
130 * gen-itable.c (gen_itable_h): Collect summary info on instruction
131 table when traversing it.
132 (gen_itable_h): Output an enum defining the max size of each of
133 the itable string members.
134
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135Tue Sep 9 03:30:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
136
137 * igen.c (gen_run_c): New function. Generate sim_engine_run that
138 looks at the currently selected architecture.
139
140 * gen-engine.c, gen-idecode.c: Add multi-sim support - generate
141 one engine per model.
142
143 * gen-semantics.c, gen-icache.c gen-support.c:
144 Update.
145
146 * ld-insn.h, ld-insn-h (load_insn_table): Rewrite. table.h only
147 returns a line at a time. Parse multi-word instructions. Add
148 multi-sim support.
149
150 * table.h, table.c: Simplify. Only parse a single line at a time.
151 ld-insn can handle the rest.
152
153 * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,
154 filter_is_common, filter_is_member, filter_next): New filter
155 operations.
156 (dump_filter): Ditto.
157
158 * gen.h, gen.c: New file. Takes the insn table and turns it into
159 a set of decode tables and semantic functions.
160
161 * ld-insn.c: Copy generator code from here.
162 * gen.c: To here.
163
164Fri Aug 8 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
165
166 * misc.h (NZALLOC): Allocate an N element array of TYPE.
167
168 * table.h, table.c: Simplify table parser so that it only
169 understands colon delimited lines and code blocks.
170 (table_read): Parse '{' ... '}' as a code block.
171 (table_print_code): New function, print out a code block to file.
172 (main): Add suport for standalone testing.
173
174 * ld-insn.h, ld-insn.c:
175
176
177Mon Sep 1 11:41:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
178
179 * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.
180 (print_jump_definition, print_jump, print_jump_internal_function,
181 print_jump_insn, print_jump_until_stop_body): Delete, moved to
182 sim-engine.c
183
184 * igen.c (print_itrace_format): Delete unused variable chp.
185 (gen-engine.h): Include.
186
187 * table.c (current_file_name, current_line_entry,
188 current_line_entry): Make static.
189
190Wed Aug 6 12:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
191
192 * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,
193 RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.
194 * configure.in: Include simulator common/aclocal.m4.
195 * configure.in: Add --enable-sim-warnings option.
196 * configure: Re-generate.
197
198 * Makefile.in: Use.
199
200 * Makefile.in (tmp-filter): New rule.
201 (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,
202 ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.
203
204 * gen.h, gen.c: New files.
205
206 * Makefile.in (gen.o, tmp-gen): New rules, update all
207 dependencies.
208
209Tue Jun 24 11:46:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
210
211 * ld-insn.c (load_insn_table): Accept %s as a function type.
212
0bdfae11
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213Thu Jun 5 17:14:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
214
215 * igen.c (print_itrace_prefix): Move printing of insn prefix to
216 here.
217 (print_itrace_format): Drop printing of MY_NAME in instruction
218 trace. Printing of insn prefix moved.
219 (print_itrace): Ditto.
220
221Fri May 30 11:27:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
222
223 * gen-icache.c (print_icache_function_header): Pass
224 table_line_entry instead of separate file and line.
225
226 * table.c (table_entry_read): Set assembler source file/line-nr to
227 the current not initial file.
228 (table_entry_read): Fix line numbering of source files.
229
230 table.h (table_line_entry): New structure. Exactly specifies a
231 source file/line-nr.
232 (table_*_entry): Add this to all.
233
234 table.c (table_entry_print_cpp_line_nr): Change to use values from
235 a table_line_entry struct.
236 (table_entry_read): Save table_line_entry in all structures read.
237
238 gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,
239 gen-model.c: Update all references.
240
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241Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
242
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243 * igen.c (print_my_defines): Define MY_NAME - a string. For
244 MY_PREFIX, undefine the name of the function incase some dumb
245 header defined it. it.
246 (print_itrace): Use MY_NAME not MY_PREFIX.
247
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248 * lf.c (lf_write): New function write an N character buffer to the
249 file.
250
251 * igen.c (print_itrace): When available, use the assembler to
252 print the insn-trace.
253 (print_itrace_prefix): New function, print first part of call to
254 print_one_insn.
255 (print_itrace_format): New function, print fmt argument for
256 print_one_insn.
257
258 * table.c (table_entry_read): Save any assembler lines instead of
259 discarding them.
260
261Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
262
263 * gen-icache.c (print_icache_body): Process immeds.
264
265 * gen-semantics.c (print_semantic_body): When computing NIA, skip
266 any immed words that follow the instruction word.
267
268 * ld-insn.c (parse_insn_format): Parse immeds appended to an
269 instruction.
270
271 * igen.c (main): Allow any register to be specified as the zero
272 register.
273 (semantic_zero_reg): Global, index to zero register.
274
275 * gen-semantics.c (print_semantic_body): Zero selected register.
276
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277Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
278
279 * igen.h: Stop options and code gen type bit masks overlaping.
280
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281Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
282
283 * gen-semantics.c (print_semantic_body): Incorrect test for
284 zero-r0 code.
285
286Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
287
288 * gen-semantics.c (print_semantic_body): Use common sim-engine
289 interface.
290
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291Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
292
293 * gen-semantics.c (print_semantic_body): Add code to clear r0.
294
295 * igen.c (main): Add new option zero-r0, which adds code to clear
296 GPR(0) each cycle.
297
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298Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
299
300 * igen.c (print_itrace): Fix so line-nr is passed to trace
301 function.
302
303 * gen-idecode.c (print_idecode_validate): Correct FP code.
304
305 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
306 functions.
307 (print_support_function_name): Ditto.
308
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309Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
310
311 * igen.c (print_itrace): Call trace_one_insn to trace
312 instructions, rather than doing it directly.
313
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314Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
315
316 * gen-engine.c (engine_switch_leaf): Remove extra %s.
317 (print_engine_floating_point_unavailable): Wrap in #ifdef
318 UNUSED/#endif, until somebody uses it.
319
320 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
321 variable.
322 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
323 somebody uses it.
324 (print_idecode_validate): Use long formats to print long values.
325
326 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
327 if we get an unexpected type.
328
329Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * igen.c (print_itrace): Pass SD as well as CPU to calls to
332 trace_printf.
333
334 * gen-support.c (gen_support_h): Always pass sim_cia cia to
335 support functions.
336 (print_support_function_name): Ditto.
337
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338Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
339
340 * gen-support.c (support_c_function): Remove unnecessary memset of
341 cia.
342 * gen-semantics.c (print_semantic_body): Wasn't closing
343 generated comment.
344
345Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
346
347 * ld-insn.c (load_insn_table): Report instructions that do not
348 have at least a format and name.
349 (insn_table_find_opcode_field): Check progress is being made.
350
351 * gen-support.c (support_c_function): Report empty function body.
352
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353Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
354
355 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
356 be broken up.
357 (insn_table_expand_insns): Allow special rules to apply to groups
358 of instructions when all members of the group match the special
359 mask/value.
360
361 * gen-semantics.c (print_c_semantic): Ditto.
362 * igen.c (print_semantic_function_formal): Ditto.
363 (print_semantic_function_type): Ditto.
364 * igen.c (print_icache_function_formal): Ditto.
365 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
366
367 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
368 instruction_address type.
369
370 * gen-semantics.c (print_semantic_body): Call cpu_error when an
371 unimplemented instruction is encountered - gives the interpreter
372 the chance to stop correctly.
373
480e740c
AC
374Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
375
376 * igen.c (print_function_name): Allow dot's in instruction names.
377
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AC
378Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
379
380 * igen.c (main), igen.h: Support new option - delayed-branch -
381 generate code to drive a delayed branch processor.
382
383 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
384
385 * igen.c (print_icache_function_formal): Replace address_word with
386 instruction_address.
387 (print_semantic_function_formal): Ditto.
388 (print_semantic_function_type): Ditto.
389 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
390
391 * gen-semantics.c (print_semantic_body): Ditto.
392 (print_c_semantic): Ditto.
393
394 * gen-support.c (support_c_function): Return a zeroed CIA instead
395 of just zero - works with any cia type.
396
397 * igen.c (print_itrace): For delayed branch case, print just the
398 current instruction.
399
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400Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
401
402 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
403
c42d5119
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404Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
405
406 * Makefile.in (INSTALL): Set to @INSTALL@.
407 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
408
409Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
410
411 * Makefile.in (INSTALL): Change install.sh to install-sh.
412
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413Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
414
415 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
416 * gen-idecode.c (gen_idecode_c): Likewise.
417 * igen.c (gen_semantics_c): Likewise.
418
419Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
420
421 * gen-icache.c (print_icache_body): No longer define cpu/sd,
422 support.h now defines CPU/SD globally.
423
424 * gen-model.c (gen_model_h): Ditto.
425
426 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
427 (print_jump): Ditto.
428 (print_jump_until_stop_body): Ditto.
429 (print_idecode_validate): Ditto.
430
431 * gen-icache.c (print_icache_body): Ditto.
432
433 * gen-semantics.c (print_semantic_body): Ditto.
434
435 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
436 processor to cpu.
437 (print_icache_function_formal): Ditto.
438
439 * gen-support.c (print_support_function_name): Include sd/cpu arg
440 in support function argument list.
441 (support_c_function): Generate code to cpu/sd from sd/cpu.
442 (gen_support_h): Define _SD the argument prefix for all support
443 functions. Define SD/CPU to determine sd/cpu from value of _SD
444 macro.
445
446Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
447
448 * gen-support.c (gen_support_c): Update for renaming of engine to
449 sim-state.
450
451 * igen.c: Ditto.
452 * gen-idecode.c (gen_idecode_c): Ditto.
453
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454Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
455
456 * ld-decode.c (load_decode_table): Rename slash to reserved.
457 (dump_decode_rule): Ditto.
458
459 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
460 reserved bit - and a `*' - wild card.
461 (parse_insn_format): Change is_slash to more informative reserved.
462 (dump_insn_field): Ditto.
463 (insn_field_is_constant): Ditto.
464 (insn_table_expand_opcode): Ditto.
465
466 * gen-idecode.c (print_idecode_validate): Make check_mask and
467 check_val the correct integer size.
468 (print_idecode_validate): Fix reserved bit check for 64 bit
469 targets.
470
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471Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
472
473 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
474 `/' in bit fields. `/' denotes a wild bit.
475
476Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
477
478 * igen.h, igen.c (main): New options. Control generation of
479 conditional issue and slot verification code.
480
481Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
482
483 * gen-support.c (print_support_function_name): Prepend the global
484 name prefix when applicable. Provide #define to map the user
485 specified name the generated globaly unique one.
486
487Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
488
489 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
490 - reserved bits, floating point and slot validation - with a
491 #ifdef so that they are optional.
492
493Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
494
495 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
496 - report the error of a leaf node in the decision tree containing
497 several instructions.
498 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
499 (print_idecode_switch_leaf): Ditto.
500
501 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
502 print_idecode_invalid): Rename former to latter. Add argument so
503 that one function can generate all invalid instruction cases -
504 illegal, fp-unavailable, wrong-slot.
505 * gen-engine.c: Update.
506
507 * gen-idecode.c: Use print_idecode_invalid to generate a function
508 call for cases when fp-unavailable and the slot is wrong.
509
510 * gen-idecode.c (print_idecode_validate): New check, generate code
511 to verify that the instruction slot is correct.
512
513 * igen.c (main): Simplify options.
514
515Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
516
517 * igen.c (print_itrace): Remove source line reference for trace
518 code - let the user see the generated file.
519 (print_itrace): Print the trace code rather than reference a
520 macro.
521
522Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
523
524 * igen.c (print_semantic_function_actual): Pass either the
525 processor - smp - or the engine - mono - into semantic functions.
526 Don't pass in both.
527
528 * gen-icache.c (print_icache_body): Dependant on smp, derive
529 processor from engine or engine from processor, and hence ensuring
530 that both are defined in all semantic functions.
531
532Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
533
534 * ld-insn.c (parse_insn_format): Make the width field optional.
535 If missing assume that the number of characters in the value
536 determines the number of bits in the field.
537
538Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
539
540 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
541 more useful error message.
542
543Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
544
545 * misc.c (error): Output errors on stderr.
546
547 * ld-insn.c (parse_insn_format): Skip any leading spaces.
548 Verify the width of instructions being parsed.
549
550 * table.c (table_entry_read): Parse CPP's convention for
551 specifying original file name/line-nr.
552
553Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
554
555 * ld-insn.c (parse_insn_format): Allow trailing spaces in
556 instruction fields.
557
558 * Makefile.in: Create using ../ppc/Makefile.in as a starting
559 point.
560 * configure.in: Ditto vis ../ppc/configure.in
561
562Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
563
564 * gen-support.c (gen_support_c): Always include engine.h instead
565 of cpu.h
566 * gen-idecode.c (gen_idecode_c): Ditto.
567
568 * words.h (instruction_word): Remove instruction_word - now
569 generated by igen.
570 (address_word): New. Used by igen.
571
572 * lf.c (lf_print_function_type_function): New, pass a function to
573 print out the type instead of a constant string.
574
575 * igen.h, igen.c (print_semantic_function_formal,
576 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
577 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
578 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
579 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
580 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
581 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
582 * gen-idecode.c (print_idecode_table): Update.
583 (idecode_switch_leaf): Update.
584 (print_idecode_switch_function_header): Ditto.
585 (print_idecode_floating_point_unavailable): Ditto.
586 (print_idecode_issue_function_header): Ditto.
587 * igen.c (gen_icache_h): Ditto.
588 * gen-engine.c (print_engine_table): Ditto.
589 (engine_switch_leaf): Ditto.
590 * gen-support.c (print_support_function_name): Ditto.
591 * gen-semantics.c (print_semantic_function_header): Update.
592 Update.
593 * gen-icache.c (print_icache_function_header): Update.
594 (print_icache_function): Update.
595 (print_icache_internal_function_declaration): Update.
596 (print_icache_internal_function_definition): Update.
597
598 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
599 files, will at some stage need to move it into support.
600
601 * igen.h, igen.c (main): New option -e <engine> - generate a full
602 simulation engine. Previously this was the -d <idecode-file>
603 option.
604 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
605 to clean these up so that that call upon the updated gen-idecode
606 code.
607
608 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
609 generating a decode table.
610
611 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
612
613 * igen.h, igen.c (main): New option -M - Control what is returned
614 by semantic functions - -1/NIA vs CIA+N/NIA. Add
615 generate_semantic_returning_modified_nia_only to igen_code enum.
616 * gen-semantics.c (print_semantic_body): As an alternative, make
617 NIA == -1 instead of CIA+insn_size by default.
618
619 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
620 New option -P <prefix> - Prepend all generated functions with the
621 specified prefix.
622 (gen_idecode_c): Adjust.
623 * gen-icache.c (print_icache_struct): Ditto.
624 * gen-support.c (gen_support_c): Ditto.
625
626Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
627
628 * igen.c (main): Correct usage. Missleading message about ucase
629 options dumping internal tables. -F now includes rather then
630 excludes instructions.
631
632 * misc.h, misc.c (a2i): Make 64bit.
633
634 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
635 max to 64bits, expect trouble. Make the default 32 bits.
636 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
637 et.al. macro's to use the insn_bit_size instead of assuming 32
638 bits.
639 * gen-icache.c (print_icache_extraction): Ditto.
640 * gen-idecode.c (idecode_switch_start): Ditto.
641 * gen-idecode.c (gen_idecode_c): Ditto
642
643 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
644 Indicates that the instruction field of the table is specifying
645 bit widths instead of bit offsets.
646 * ld-insn.c (parse_insn_format): Parse instruction fields
647 specifying widths.
648
649 * misc.c (a2i): Allow binary numbers to be specified using the
650 syntax 0bNNNN.
651 * ld-insn.c: Allow such numbers to appear in the instruction
652 format.
653
654 * table.c (table_entry_read): Make // a valid comment character.
655 (table_entry_read): Skip lines containing a leading " - these may
656 eventually be used in a disasembler.
657
658Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
659
660 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
661 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
662 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
663 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
664 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
665 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
666 from the ../ppc directory.
667
668 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
669 renaming from filter_filename.[hc]
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