1 Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * lf.c (lf_write): New function write an N character buffer to the
6 * igen.c (print_itrace): When available, use the assembler to
8 (print_itrace_prefix): New function, print first part of call to
10 (print_itrace_format): New function, print fmt argument for
13 * table.c (table_entry_read): Save any assembler lines instead of
16 Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
18 * gen-icache.c (print_icache_body): Process immeds.
20 * gen-semantics.c (print_semantic_body): When computing NIA, skip
21 any immed words that follow the instruction word.
23 * ld-insn.c (parse_insn_format): Parse immeds appended to an
26 * igen.c (main): Allow any register to be specified as the zero
28 (semantic_zero_reg): Global, index to zero register.
30 * gen-semantics.c (print_semantic_body): Zero selected register.
32 Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
34 * igen.h: Stop options and code gen type bit masks overlaping.
36 Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
38 * gen-semantics.c (print_semantic_body): Incorrect test for
41 Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
43 * gen-semantics.c (print_semantic_body): Use common sim-engine
46 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
48 * gen-semantics.c (print_semantic_body): Add code to clear r0.
50 * igen.c (main): Add new option zero-r0, which adds code to clear
53 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
55 * igen.c (print_itrace): Fix so line-nr is passed to trace
58 * gen-idecode.c (print_idecode_validate): Correct FP code.
60 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
62 (print_support_function_name): Ditto.
64 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
66 * igen.c (print_itrace): Call trace_one_insn to trace
67 instructions, rather than doing it directly.
69 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
71 * gen-engine.c (engine_switch_leaf): Remove extra %s.
72 (print_engine_floating_point_unavailable): Wrap in #ifdef
73 UNUSED/#endif, until somebody uses it.
75 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
77 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
79 (print_idecode_validate): Use long formats to print long values.
81 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
82 if we get an unexpected type.
84 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
86 * igen.c (print_itrace): Pass SD as well as CPU to calls to
89 * gen-support.c (gen_support_h): Always pass sim_cia cia to
91 (print_support_function_name): Ditto.
93 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
95 * gen-support.c (support_c_function): Remove unnecessary memset of
97 * gen-semantics.c (print_semantic_body): Wasn't closing
100 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
102 * ld-insn.c (load_insn_table): Report instructions that do not
103 have at least a format and name.
104 (insn_table_find_opcode_field): Check progress is being made.
106 * gen-support.c (support_c_function): Report empty function body.
108 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
110 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
112 (insn_table_expand_insns): Allow special rules to apply to groups
113 of instructions when all members of the group match the special
116 * gen-semantics.c (print_c_semantic): Ditto.
117 * igen.c (print_semantic_function_formal): Ditto.
118 (print_semantic_function_type): Ditto.
119 * igen.c (print_icache_function_formal): Ditto.
120 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
122 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
123 instruction_address type.
125 * gen-semantics.c (print_semantic_body): Call cpu_error when an
126 unimplemented instruction is encountered - gives the interpreter
127 the chance to stop correctly.
129 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
131 * igen.c (print_function_name): Allow dot's in instruction names.
133 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
135 * igen.c (main), igen.h: Support new option - delayed-branch -
136 generate code to drive a delayed branch processor.
138 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
140 * igen.c (print_icache_function_formal): Replace address_word with
142 (print_semantic_function_formal): Ditto.
143 (print_semantic_function_type): Ditto.
144 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
146 * gen-semantics.c (print_semantic_body): Ditto.
147 (print_c_semantic): Ditto.
149 * gen-support.c (support_c_function): Return a zeroed CIA instead
150 of just zero - works with any cia type.
152 * igen.c (print_itrace): For delayed branch case, print just the
155 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
157 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
159 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
161 * Makefile.in (INSTALL): Set to @INSTALL@.
162 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
164 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
166 * Makefile.in (INSTALL): Change install.sh to install-sh.
168 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
170 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
171 * gen-idecode.c (gen_idecode_c): Likewise.
172 * igen.c (gen_semantics_c): Likewise.
174 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
176 * gen-icache.c (print_icache_body): No longer define cpu/sd,
177 support.h now defines CPU/SD globally.
179 * gen-model.c (gen_model_h): Ditto.
181 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
183 (print_jump_until_stop_body): Ditto.
184 (print_idecode_validate): Ditto.
186 * gen-icache.c (print_icache_body): Ditto.
188 * gen-semantics.c (print_semantic_body): Ditto.
190 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
192 (print_icache_function_formal): Ditto.
194 * gen-support.c (print_support_function_name): Include sd/cpu arg
195 in support function argument list.
196 (support_c_function): Generate code to cpu/sd from sd/cpu.
197 (gen_support_h): Define _SD the argument prefix for all support
198 functions. Define SD/CPU to determine sd/cpu from value of _SD
201 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
203 * gen-support.c (gen_support_c): Update for renaming of engine to
207 * gen-idecode.c (gen_idecode_c): Ditto.
209 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
211 * ld-decode.c (load_decode_table): Rename slash to reserved.
212 (dump_decode_rule): Ditto.
214 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
215 reserved bit - and a `*' - wild card.
216 (parse_insn_format): Change is_slash to more informative reserved.
217 (dump_insn_field): Ditto.
218 (insn_field_is_constant): Ditto.
219 (insn_table_expand_opcode): Ditto.
221 * gen-idecode.c (print_idecode_validate): Make check_mask and
222 check_val the correct integer size.
223 (print_idecode_validate): Fix reserved bit check for 64 bit
226 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
228 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
229 `/' in bit fields. `/' denotes a wild bit.
231 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
233 * igen.h, igen.c (main): New options. Control generation of
234 conditional issue and slot verification code.
236 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
238 * gen-support.c (print_support_function_name): Prepend the global
239 name prefix when applicable. Provide #define to map the user
240 specified name the generated globaly unique one.
242 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
244 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
245 - reserved bits, floating point and slot validation - with a
246 #ifdef so that they are optional.
248 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
250 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
251 - report the error of a leaf node in the decision tree containing
252 several instructions.
253 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
254 (print_idecode_switch_leaf): Ditto.
256 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
257 print_idecode_invalid): Rename former to latter. Add argument so
258 that one function can generate all invalid instruction cases -
259 illegal, fp-unavailable, wrong-slot.
260 * gen-engine.c: Update.
262 * gen-idecode.c: Use print_idecode_invalid to generate a function
263 call for cases when fp-unavailable and the slot is wrong.
265 * gen-idecode.c (print_idecode_validate): New check, generate code
266 to verify that the instruction slot is correct.
268 * igen.c (main): Simplify options.
270 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
272 * igen.c (print_itrace): Remove source line reference for trace
273 code - let the user see the generated file.
274 (print_itrace): Print the trace code rather than reference a
277 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
279 * igen.c (print_semantic_function_actual): Pass either the
280 processor - smp - or the engine - mono - into semantic functions.
283 * gen-icache.c (print_icache_body): Dependant on smp, derive
284 processor from engine or engine from processor, and hence ensuring
285 that both are defined in all semantic functions.
287 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
289 * ld-insn.c (parse_insn_format): Make the width field optional.
290 If missing assume that the number of characters in the value
291 determines the number of bits in the field.
293 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
295 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
296 more useful error message.
298 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
300 * misc.c (error): Output errors on stderr.
302 * ld-insn.c (parse_insn_format): Skip any leading spaces.
303 Verify the width of instructions being parsed.
305 * table.c (table_entry_read): Parse CPP's convention for
306 specifying original file name/line-nr.
308 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
310 * ld-insn.c (parse_insn_format): Allow trailing spaces in
313 * Makefile.in: Create using ../ppc/Makefile.in as a starting
315 * configure.in: Ditto vis ../ppc/configure.in
317 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
319 * gen-support.c (gen_support_c): Always include engine.h instead
321 * gen-idecode.c (gen_idecode_c): Ditto.
323 * words.h (instruction_word): Remove instruction_word - now
325 (address_word): New. Used by igen.
327 * lf.c (lf_print_function_type_function): New, pass a function to
328 print out the type instead of a constant string.
330 * igen.h, igen.c (print_semantic_function_formal,
331 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
332 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
333 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
334 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
335 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
336 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
337 * gen-idecode.c (print_idecode_table): Update.
338 (idecode_switch_leaf): Update.
339 (print_idecode_switch_function_header): Ditto.
340 (print_idecode_floating_point_unavailable): Ditto.
341 (print_idecode_issue_function_header): Ditto.
342 * igen.c (gen_icache_h): Ditto.
343 * gen-engine.c (print_engine_table): Ditto.
344 (engine_switch_leaf): Ditto.
345 * gen-support.c (print_support_function_name): Ditto.
346 * gen-semantics.c (print_semantic_function_header): Update.
348 * gen-icache.c (print_icache_function_header): Update.
349 (print_icache_function): Update.
350 (print_icache_internal_function_declaration): Update.
351 (print_icache_internal_function_definition): Update.
353 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
354 files, will at some stage need to move it into support.
356 * igen.h, igen.c (main): New option -e <engine> - generate a full
357 simulation engine. Previously this was the -d <idecode-file>
359 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
360 to clean these up so that that call upon the updated gen-idecode
363 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
364 generating a decode table.
366 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
368 * igen.h, igen.c (main): New option -M - Control what is returned
369 by semantic functions - -1/NIA vs CIA+N/NIA. Add
370 generate_semantic_returning_modified_nia_only to igen_code enum.
371 * gen-semantics.c (print_semantic_body): As an alternative, make
372 NIA == -1 instead of CIA+insn_size by default.
374 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
375 New option -P <prefix> - Prepend all generated functions with the
377 (gen_idecode_c): Adjust.
378 * gen-icache.c (print_icache_struct): Ditto.
379 * gen-support.c (gen_support_c): Ditto.
381 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
383 * igen.c (main): Correct usage. Missleading message about ucase
384 options dumping internal tables. -F now includes rather then
385 excludes instructions.
387 * misc.h, misc.c (a2i): Make 64bit.
389 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
390 max to 64bits, expect trouble. Make the default 32 bits.
391 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
392 et.al. macro's to use the insn_bit_size instead of assuming 32
394 * gen-icache.c (print_icache_extraction): Ditto.
395 * gen-idecode.c (idecode_switch_start): Ditto.
396 * gen-idecode.c (gen_idecode_c): Ditto
398 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
399 Indicates that the instruction field of the table is specifying
400 bit widths instead of bit offsets.
401 * ld-insn.c (parse_insn_format): Parse instruction fields
404 * misc.c (a2i): Allow binary numbers to be specified using the
406 * ld-insn.c: Allow such numbers to appear in the instruction
409 * table.c (table_entry_read): Make // a valid comment character.
410 (table_entry_read): Skip lines containing a leading " - these may
411 eventually be used in a disasembler.
413 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
415 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
416 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
417 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
418 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
419 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
420 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
421 from the ../ppc directory.
423 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
424 renaming from filter_filename.[hc]