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