1 Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * gen-semantics.c (print_semantic_body): Incorrect test for
6 Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
8 * gen-semantics.c (print_semantic_body): Use common sim-engine
11 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
13 * gen-semantics.c (print_semantic_body): Add code to clear r0.
15 * igen.c (main): Add new option zero-r0, which adds code to clear
18 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
20 * igen.c (print_itrace): Fix so line-nr is passed to trace
23 * gen-idecode.c (print_idecode_validate): Correct FP code.
25 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
27 (print_support_function_name): Ditto.
29 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
31 * igen.c (print_itrace): Call trace_one_insn to trace
32 instructions, rather than doing it directly.
34 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
36 * gen-engine.c (engine_switch_leaf): Remove extra %s.
37 (print_engine_floating_point_unavailable): Wrap in #ifdef
38 UNUSED/#endif, until somebody uses it.
40 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
42 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
44 (print_idecode_validate): Use long formats to print long values.
46 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
47 if we get an unexpected type.
49 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
51 * igen.c (print_itrace): Pass SD as well as CPU to calls to
54 * gen-support.c (gen_support_h): Always pass sim_cia cia to
56 (print_support_function_name): Ditto.
58 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
60 * gen-support.c (support_c_function): Remove unnecessary memset of
62 * gen-semantics.c (print_semantic_body): Wasn't closing
65 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
67 * ld-insn.c (load_insn_table): Report instructions that do not
68 have at least a format and name.
69 (insn_table_find_opcode_field): Check progress is being made.
71 * gen-support.c (support_c_function): Report empty function body.
73 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
75 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
77 (insn_table_expand_insns): Allow special rules to apply to groups
78 of instructions when all members of the group match the special
81 * gen-semantics.c (print_c_semantic): Ditto.
82 * igen.c (print_semantic_function_formal): Ditto.
83 (print_semantic_function_type): Ditto.
84 * igen.c (print_icache_function_formal): Ditto.
85 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
87 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
88 instruction_address type.
90 * gen-semantics.c (print_semantic_body): Call cpu_error when an
91 unimplemented instruction is encountered - gives the interpreter
92 the chance to stop correctly.
94 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
96 * igen.c (print_function_name): Allow dot's in instruction names.
98 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
100 * igen.c (main), igen.h: Support new option - delayed-branch -
101 generate code to drive a delayed branch processor.
103 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
105 * igen.c (print_icache_function_formal): Replace address_word with
107 (print_semantic_function_formal): Ditto.
108 (print_semantic_function_type): Ditto.
109 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
111 * gen-semantics.c (print_semantic_body): Ditto.
112 (print_c_semantic): Ditto.
114 * gen-support.c (support_c_function): Return a zeroed CIA instead
115 of just zero - works with any cia type.
117 * igen.c (print_itrace): For delayed branch case, print just the
120 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
122 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
124 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
126 * Makefile.in (INSTALL): Set to @INSTALL@.
127 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
129 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
131 * Makefile.in (INSTALL): Change install.sh to install-sh.
133 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
135 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
136 * gen-idecode.c (gen_idecode_c): Likewise.
137 * igen.c (gen_semantics_c): Likewise.
139 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
141 * gen-icache.c (print_icache_body): No longer define cpu/sd,
142 support.h now defines CPU/SD globally.
144 * gen-model.c (gen_model_h): Ditto.
146 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
148 (print_jump_until_stop_body): Ditto.
149 (print_idecode_validate): Ditto.
151 * gen-icache.c (print_icache_body): Ditto.
153 * gen-semantics.c (print_semantic_body): Ditto.
155 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
157 (print_icache_function_formal): Ditto.
159 * gen-support.c (print_support_function_name): Include sd/cpu arg
160 in support function argument list.
161 (support_c_function): Generate code to cpu/sd from sd/cpu.
162 (gen_support_h): Define _SD the argument prefix for all support
163 functions. Define SD/CPU to determine sd/cpu from value of _SD
166 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
168 * gen-support.c (gen_support_c): Update for renaming of engine to
172 * gen-idecode.c (gen_idecode_c): Ditto.
174 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
176 * ld-decode.c (load_decode_table): Rename slash to reserved.
177 (dump_decode_rule): Ditto.
179 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
180 reserved bit - and a `*' - wild card.
181 (parse_insn_format): Change is_slash to more informative reserved.
182 (dump_insn_field): Ditto.
183 (insn_field_is_constant): Ditto.
184 (insn_table_expand_opcode): Ditto.
186 * gen-idecode.c (print_idecode_validate): Make check_mask and
187 check_val the correct integer size.
188 (print_idecode_validate): Fix reserved bit check for 64 bit
191 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
193 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
194 `/' in bit fields. `/' denotes a wild bit.
196 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
198 * igen.h, igen.c (main): New options. Control generation of
199 conditional issue and slot verification code.
201 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
203 * gen-support.c (print_support_function_name): Prepend the global
204 name prefix when applicable. Provide #define to map the user
205 specified name the generated globaly unique one.
207 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
209 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
210 - reserved bits, floating point and slot validation - with a
211 #ifdef so that they are optional.
213 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
215 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
216 - report the error of a leaf node in the decision tree containing
217 several instructions.
218 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
219 (print_idecode_switch_leaf): Ditto.
221 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
222 print_idecode_invalid): Rename former to latter. Add argument so
223 that one function can generate all invalid instruction cases -
224 illegal, fp-unavailable, wrong-slot.
225 * gen-engine.c: Update.
227 * gen-idecode.c: Use print_idecode_invalid to generate a function
228 call for cases when fp-unavailable and the slot is wrong.
230 * gen-idecode.c (print_idecode_validate): New check, generate code
231 to verify that the instruction slot is correct.
233 * igen.c (main): Simplify options.
235 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
237 * igen.c (print_itrace): Remove source line reference for trace
238 code - let the user see the generated file.
239 (print_itrace): Print the trace code rather than reference a
242 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
244 * igen.c (print_semantic_function_actual): Pass either the
245 processor - smp - or the engine - mono - into semantic functions.
248 * gen-icache.c (print_icache_body): Dependant on smp, derive
249 processor from engine or engine from processor, and hence ensuring
250 that both are defined in all semantic functions.
252 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
254 * ld-insn.c (parse_insn_format): Make the width field optional.
255 If missing assume that the number of characters in the value
256 determines the number of bits in the field.
258 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
260 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
261 more useful error message.
263 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
265 * misc.c (error): Output errors on stderr.
267 * ld-insn.c (parse_insn_format): Skip any leading spaces.
268 Verify the width of instructions being parsed.
270 * table.c (table_entry_read): Parse CPP's convention for
271 specifying original file name/line-nr.
273 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
275 * ld-insn.c (parse_insn_format): Allow trailing spaces in
278 * Makefile.in: Create using ../ppc/Makefile.in as a starting
280 * configure.in: Ditto vis ../ppc/configure.in
282 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
284 * gen-support.c (gen_support_c): Always include engine.h instead
286 * gen-idecode.c (gen_idecode_c): Ditto.
288 * words.h (instruction_word): Remove instruction_word - now
290 (address_word): New. Used by igen.
292 * lf.c (lf_print_function_type_function): New, pass a function to
293 print out the type instead of a constant string.
295 * igen.h, igen.c (print_semantic_function_formal,
296 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
297 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
298 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
299 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
300 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
301 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
302 * gen-idecode.c (print_idecode_table): Update.
303 (idecode_switch_leaf): Update.
304 (print_idecode_switch_function_header): Ditto.
305 (print_idecode_floating_point_unavailable): Ditto.
306 (print_idecode_issue_function_header): Ditto.
307 * igen.c (gen_icache_h): Ditto.
308 * gen-engine.c (print_engine_table): Ditto.
309 (engine_switch_leaf): Ditto.
310 * gen-support.c (print_support_function_name): Ditto.
311 * gen-semantics.c (print_semantic_function_header): Update.
313 * gen-icache.c (print_icache_function_header): Update.
314 (print_icache_function): Update.
315 (print_icache_internal_function_declaration): Update.
316 (print_icache_internal_function_definition): Update.
318 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
319 files, will at some stage need to move it into support.
321 * igen.h, igen.c (main): New option -e <engine> - generate a full
322 simulation engine. Previously this was the -d <idecode-file>
324 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
325 to clean these up so that that call upon the updated gen-idecode
328 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
329 generating a decode table.
331 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
333 * igen.h, igen.c (main): New option -M - Control what is returned
334 by semantic functions - -1/NIA vs CIA+N/NIA. Add
335 generate_semantic_returning_modified_nia_only to igen_code enum.
336 * gen-semantics.c (print_semantic_body): As an alternative, make
337 NIA == -1 instead of CIA+insn_size by default.
339 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
340 New option -P <prefix> - Prepend all generated functions with the
342 (gen_idecode_c): Adjust.
343 * gen-icache.c (print_icache_struct): Ditto.
344 * gen-support.c (gen_support_c): Ditto.
346 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
348 * igen.c (main): Correct usage. Missleading message about ucase
349 options dumping internal tables. -F now includes rather then
350 excludes instructions.
352 * misc.h, misc.c (a2i): Make 64bit.
354 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
355 max to 64bits, expect trouble. Make the default 32 bits.
356 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
357 et.al. macro's to use the insn_bit_size instead of assuming 32
359 * gen-icache.c (print_icache_extraction): Ditto.
360 * gen-idecode.c (idecode_switch_start): Ditto.
361 * gen-idecode.c (gen_idecode_c): Ditto
363 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
364 Indicates that the instruction field of the table is specifying
365 bit widths instead of bit offsets.
366 * ld-insn.c (parse_insn_format): Parse instruction fields
369 * misc.c (a2i): Allow binary numbers to be specified using the
371 * ld-insn.c: Allow such numbers to appear in the instruction
374 * table.c (table_entry_read): Make // a valid comment character.
375 (table_entry_read): Skip lines containing a leading " - these may
376 eventually be used in a disasembler.
378 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
380 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
381 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
382 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
383 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
384 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
385 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
386 from the ../ppc directory.
388 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
389 renaming from filter_filename.[hc]