1 Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * gen-semantics.c (print_semantic_body): Add code to clear r0.
5 * igen.c (main): Add new option zero-r0, which adds code to clear
8 Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
10 * igen.c (print_itrace): Fix so line-nr is passed to trace
13 * gen-idecode.c (print_idecode_validate): Correct FP code.
15 * gen-support.c (gen_support_h): Always pass MY_INDEX to support
17 (print_support_function_name): Ditto.
19 Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com>
21 * igen.c (print_itrace): Call trace_one_insn to trace
22 instructions, rather than doing it directly.
24 Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com>
26 * gen-engine.c (engine_switch_leaf): Remove extra %s.
27 (print_engine_floating_point_unavailable): Wrap in #ifdef
28 UNUSED/#endif, until somebody uses it.
30 * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
32 (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
34 (print_idecode_validate): Use long formats to print long values.
36 * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
37 if we get an unexpected type.
39 Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
41 * igen.c (print_itrace): Pass SD as well as CPU to calls to
44 * gen-support.c (gen_support_h): Always pass sim_cia cia to
46 (print_support_function_name): Ditto.
48 Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
50 * gen-support.c (support_c_function): Remove unnecessary memset of
52 * gen-semantics.c (print_semantic_body): Wasn't closing
55 Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
57 * ld-insn.c (load_insn_table): Report instructions that do not
58 have at least a format and name.
59 (insn_table_find_opcode_field): Check progress is being made.
61 * gen-support.c (support_c_function): Report empty function body.
63 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
65 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
67 (insn_table_expand_insns): Allow special rules to apply to groups
68 of instructions when all members of the group match the special
71 * gen-semantics.c (print_c_semantic): Ditto.
72 * igen.c (print_semantic_function_formal): Ditto.
73 (print_semantic_function_type): Ditto.
74 * igen.c (print_icache_function_formal): Ditto.
75 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
77 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
78 instruction_address type.
80 * gen-semantics.c (print_semantic_body): Call cpu_error when an
81 unimplemented instruction is encountered - gives the interpreter
82 the chance to stop correctly.
84 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
86 * igen.c (print_function_name): Allow dot's in instruction names.
88 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
90 * igen.c (main), igen.h: Support new option - delayed-branch -
91 generate code to drive a delayed branch processor.
93 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
95 * igen.c (print_icache_function_formal): Replace address_word with
97 (print_semantic_function_formal): Ditto.
98 (print_semantic_function_type): Ditto.
99 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
101 * gen-semantics.c (print_semantic_body): Ditto.
102 (print_c_semantic): Ditto.
104 * gen-support.c (support_c_function): Return a zeroed CIA instead
105 of just zero - works with any cia type.
107 * igen.c (print_itrace): For delayed branch case, print just the
110 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
112 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
114 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
116 * Makefile.in (INSTALL): Set to @INSTALL@.
117 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
119 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
121 * Makefile.in (INSTALL): Change install.sh to install-sh.
123 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
125 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
126 * gen-idecode.c (gen_idecode_c): Likewise.
127 * igen.c (gen_semantics_c): Likewise.
129 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
131 * gen-icache.c (print_icache_body): No longer define cpu/sd,
132 support.h now defines CPU/SD globally.
134 * gen-model.c (gen_model_h): Ditto.
136 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
138 (print_jump_until_stop_body): Ditto.
139 (print_idecode_validate): Ditto.
141 * gen-icache.c (print_icache_body): Ditto.
143 * gen-semantics.c (print_semantic_body): Ditto.
145 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
147 (print_icache_function_formal): Ditto.
149 * gen-support.c (print_support_function_name): Include sd/cpu arg
150 in support function argument list.
151 (support_c_function): Generate code to cpu/sd from sd/cpu.
152 (gen_support_h): Define _SD the argument prefix for all support
153 functions. Define SD/CPU to determine sd/cpu from value of _SD
156 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
158 * gen-support.c (gen_support_c): Update for renaming of engine to
162 * gen-idecode.c (gen_idecode_c): Ditto.
164 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
166 * ld-decode.c (load_decode_table): Rename slash to reserved.
167 (dump_decode_rule): Ditto.
169 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
170 reserved bit - and a `*' - wild card.
171 (parse_insn_format): Change is_slash to more informative reserved.
172 (dump_insn_field): Ditto.
173 (insn_field_is_constant): Ditto.
174 (insn_table_expand_opcode): Ditto.
176 * gen-idecode.c (print_idecode_validate): Make check_mask and
177 check_val the correct integer size.
178 (print_idecode_validate): Fix reserved bit check for 64 bit
181 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
183 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
184 `/' in bit fields. `/' denotes a wild bit.
186 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
188 * igen.h, igen.c (main): New options. Control generation of
189 conditional issue and slot verification code.
191 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
193 * gen-support.c (print_support_function_name): Prepend the global
194 name prefix when applicable. Provide #define to map the user
195 specified name the generated globaly unique one.
197 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
199 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
200 - reserved bits, floating point and slot validation - with a
201 #ifdef so that they are optional.
203 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
205 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
206 - report the error of a leaf node in the decision tree containing
207 several instructions.
208 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
209 (print_idecode_switch_leaf): Ditto.
211 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
212 print_idecode_invalid): Rename former to latter. Add argument so
213 that one function can generate all invalid instruction cases -
214 illegal, fp-unavailable, wrong-slot.
215 * gen-engine.c: Update.
217 * gen-idecode.c: Use print_idecode_invalid to generate a function
218 call for cases when fp-unavailable and the slot is wrong.
220 * gen-idecode.c (print_idecode_validate): New check, generate code
221 to verify that the instruction slot is correct.
223 * igen.c (main): Simplify options.
225 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
227 * igen.c (print_itrace): Remove source line reference for trace
228 code - let the user see the generated file.
229 (print_itrace): Print the trace code rather than reference a
232 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
234 * igen.c (print_semantic_function_actual): Pass either the
235 processor - smp - or the engine - mono - into semantic functions.
238 * gen-icache.c (print_icache_body): Dependant on smp, derive
239 processor from engine or engine from processor, and hence ensuring
240 that both are defined in all semantic functions.
242 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
244 * ld-insn.c (parse_insn_format): Make the width field optional.
245 If missing assume that the number of characters in the value
246 determines the number of bits in the field.
248 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
250 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
251 more useful error message.
253 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
255 * misc.c (error): Output errors on stderr.
257 * ld-insn.c (parse_insn_format): Skip any leading spaces.
258 Verify the width of instructions being parsed.
260 * table.c (table_entry_read): Parse CPP's convention for
261 specifying original file name/line-nr.
263 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
265 * ld-insn.c (parse_insn_format): Allow trailing spaces in
268 * Makefile.in: Create using ../ppc/Makefile.in as a starting
270 * configure.in: Ditto vis ../ppc/configure.in
272 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
274 * gen-support.c (gen_support_c): Always include engine.h instead
276 * gen-idecode.c (gen_idecode_c): Ditto.
278 * words.h (instruction_word): Remove instruction_word - now
280 (address_word): New. Used by igen.
282 * lf.c (lf_print_function_type_function): New, pass a function to
283 print out the type instead of a constant string.
285 * igen.h, igen.c (print_semantic_function_formal,
286 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
287 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
288 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
289 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
290 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
291 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
292 * gen-idecode.c (print_idecode_table): Update.
293 (idecode_switch_leaf): Update.
294 (print_idecode_switch_function_header): Ditto.
295 (print_idecode_floating_point_unavailable): Ditto.
296 (print_idecode_issue_function_header): Ditto.
297 * igen.c (gen_icache_h): Ditto.
298 * gen-engine.c (print_engine_table): Ditto.
299 (engine_switch_leaf): Ditto.
300 * gen-support.c (print_support_function_name): Ditto.
301 * gen-semantics.c (print_semantic_function_header): Update.
303 * gen-icache.c (print_icache_function_header): Update.
304 (print_icache_function): Update.
305 (print_icache_internal_function_declaration): Update.
306 (print_icache_internal_function_definition): Update.
308 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
309 files, will at some stage need to move it into support.
311 * igen.h, igen.c (main): New option -e <engine> - generate a full
312 simulation engine. Previously this was the -d <idecode-file>
314 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
315 to clean these up so that that call upon the updated gen-idecode
318 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
319 generating a decode table.
321 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
323 * igen.h, igen.c (main): New option -M - Control what is returned
324 by semantic functions - -1/NIA vs CIA+N/NIA. Add
325 generate_semantic_returning_modified_nia_only to igen_code enum.
326 * gen-semantics.c (print_semantic_body): As an alternative, make
327 NIA == -1 instead of CIA+insn_size by default.
329 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
330 New option -P <prefix> - Prepend all generated functions with the
332 (gen_idecode_c): Adjust.
333 * gen-icache.c (print_icache_struct): Ditto.
334 * gen-support.c (gen_support_c): Ditto.
336 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
338 * igen.c (main): Correct usage. Missleading message about ucase
339 options dumping internal tables. -F now includes rather then
340 excludes instructions.
342 * misc.h, misc.c (a2i): Make 64bit.
344 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
345 max to 64bits, expect trouble. Make the default 32 bits.
346 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
347 et.al. macro's to use the insn_bit_size instead of assuming 32
349 * gen-icache.c (print_icache_extraction): Ditto.
350 * gen-idecode.c (idecode_switch_start): Ditto.
351 * gen-idecode.c (gen_idecode_c): Ditto
353 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
354 Indicates that the instruction field of the table is specifying
355 bit widths instead of bit offsets.
356 * ld-insn.c (parse_insn_format): Parse instruction fields
359 * misc.c (a2i): Allow binary numbers to be specified using the
361 * ld-insn.c: Allow such numbers to appear in the instruction
364 * table.c (table_entry_read): Make // a valid comment character.
365 (table_entry_read): Skip lines containing a leading " - these may
366 eventually be used in a disasembler.
368 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
370 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
371 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
372 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
373 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
374 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
375 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
376 from the ../ppc directory.
378 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
379 renaming from filter_filename.[hc]