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