1 Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
5 (insn_table_expand_insns): Allow special rules to apply to groups
6 of instructions when all members of the group match the special
9 * gen-semantics.c (print_c_semantic): Ditto.
10 * igen.c (print_semantic_function_formal): Ditto.
11 (print_semantic_function_type): Ditto.
12 * igen.c (print_icache_function_formal): Ditto.
13 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
15 * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
16 instruction_address type.
18 * gen-semantics.c (print_semantic_body): Call cpu_error when an
19 unimplemented instruction is encountered - gives the interpreter
20 the chance to stop correctly.
22 Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
24 * igen.c (print_function_name): Allow dot's in instruction names.
26 Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
28 * igen.c (main), igen.h: Support new option - delayed-branch -
29 generate code to drive a delayed branch processor.
31 * gen-idecode.c (gen_idecode_h): Define instruction_address type.
33 * igen.c (print_icache_function_formal): Replace address_word with
35 (print_semantic_function_formal): Ditto.
36 (print_semantic_function_type): Ditto.
37 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
39 * gen-semantics.c (print_semantic_body): Ditto.
40 (print_c_semantic): Ditto.
42 * gen-support.c (support_c_function): Return a zeroed CIA instead
43 of just zero - works with any cia type.
45 * igen.c (print_itrace): For delayed branch case, print just the
48 Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com>
50 * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
52 Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com>
54 * Makefile.in (INSTALL): Set to @INSTALL@.
55 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
57 Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com>
59 * Makefile.in (INSTALL): Change install.sh to install-sh.
61 Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com>
63 * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
64 * gen-idecode.c (gen_idecode_c): Likewise.
65 * igen.c (gen_semantics_c): Likewise.
67 Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
69 * gen-icache.c (print_icache_body): No longer define cpu/sd,
70 support.h now defines CPU/SD globally.
72 * gen-model.c (gen_model_h): Ditto.
74 * gen-idecode.c (print_idecode_issue_function_body): Ditto.
76 (print_jump_until_stop_body): Ditto.
77 (print_idecode_validate): Ditto.
79 * gen-icache.c (print_icache_body): Ditto.
81 * gen-semantics.c (print_semantic_body): Ditto.
83 * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
85 (print_icache_function_formal): Ditto.
87 * gen-support.c (print_support_function_name): Include sd/cpu arg
88 in support function argument list.
89 (support_c_function): Generate code to cpu/sd from sd/cpu.
90 (gen_support_h): Define _SD the argument prefix for all support
91 functions. Define SD/CPU to determine sd/cpu from value of _SD
94 Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
96 * gen-support.c (gen_support_c): Update for renaming of engine to
100 * gen-idecode.c (gen_idecode_c): Ditto.
102 Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
104 * ld-decode.c (load_decode_table): Rename slash to reserved.
105 (dump_decode_rule): Ditto.
107 * ld-insn.c (parse_insn_format): Differentiate between a `/' -
108 reserved bit - and a `*' - wild card.
109 (parse_insn_format): Change is_slash to more informative reserved.
110 (dump_insn_field): Ditto.
111 (insn_field_is_constant): Ditto.
112 (insn_table_expand_opcode): Ditto.
114 * gen-idecode.c (print_idecode_validate): Make check_mask and
115 check_val the correct integer size.
116 (print_idecode_validate): Fix reserved bit check for 64 bit
119 Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
121 * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
122 `/' in bit fields. `/' denotes a wild bit.
124 Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
126 * igen.h, igen.c (main): New options. Control generation of
127 conditional issue and slot verification code.
129 Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
131 * gen-support.c (print_support_function_name): Prepend the global
132 name prefix when applicable. Provide #define to map the user
133 specified name the generated globaly unique one.
135 Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
137 * gen-idecode.c (print_idecode_validate): Wrap each of the checks
138 - reserved bits, floating point and slot validation - with a
139 #ifdef so that they are optional.
141 Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
143 * gen-idecode.c (error_leaf_contains_multiple_insn): New function
144 - report the error of a leaf node in the decision tree containing
145 several instructions.
146 (print_idecode_table_leaf): Detect a leaf with multiple instructions.
147 (print_idecode_switch_leaf): Ditto.
149 * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
150 print_idecode_invalid): Rename former to latter. Add argument so
151 that one function can generate all invalid instruction cases -
152 illegal, fp-unavailable, wrong-slot.
153 * gen-engine.c: Update.
155 * gen-idecode.c: Use print_idecode_invalid to generate a function
156 call for cases when fp-unavailable and the slot is wrong.
158 * gen-idecode.c (print_idecode_validate): New check, generate code
159 to verify that the instruction slot is correct.
161 * igen.c (main): Simplify options.
163 Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
165 * igen.c (print_itrace): Remove source line reference for trace
166 code - let the user see the generated file.
167 (print_itrace): Print the trace code rather than reference a
170 Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
172 * igen.c (print_semantic_function_actual): Pass either the
173 processor - smp - or the engine - mono - into semantic functions.
176 * gen-icache.c (print_icache_body): Dependant on smp, derive
177 processor from engine or engine from processor, and hence ensuring
178 that both are defined in all semantic functions.
180 Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
182 * ld-insn.c (parse_insn_format): Make the width field optional.
183 If missing assume that the number of characters in the value
184 determines the number of bits in the field.
186 Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
188 * ld-insn.c (insn_table_expand_opcode): Replace assertion with
189 more useful error message.
191 Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
193 * misc.c (error): Output errors on stderr.
195 * ld-insn.c (parse_insn_format): Skip any leading spaces.
196 Verify the width of instructions being parsed.
198 * table.c (table_entry_read): Parse CPP's convention for
199 specifying original file name/line-nr.
201 Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com>
203 * ld-insn.c (parse_insn_format): Allow trailing spaces in
206 * Makefile.in: Create using ../ppc/Makefile.in as a starting
208 * configure.in: Ditto vis ../ppc/configure.in
210 Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
212 * gen-support.c (gen_support_c): Always include engine.h instead
214 * gen-idecode.c (gen_idecode_c): Ditto.
216 * words.h (instruction_word): Remove instruction_word - now
218 (address_word): New. Used by igen.
220 * lf.c (lf_print_function_type_function): New, pass a function to
221 print out the type instead of a constant string.
223 * igen.h, igen.c (print_semantic_function_formal,
224 SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
225 (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
226 (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
227 (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
228 (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
229 (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
230 * gen-idecode.c (print_idecode_table): Update.
231 (idecode_switch_leaf): Update.
232 (print_idecode_switch_function_header): Ditto.
233 (print_idecode_floating_point_unavailable): Ditto.
234 (print_idecode_issue_function_header): Ditto.
235 * igen.c (gen_icache_h): Ditto.
236 * gen-engine.c (print_engine_table): Ditto.
237 (engine_switch_leaf): Ditto.
238 * gen-support.c (print_support_function_name): Ditto.
239 * gen-semantics.c (print_semantic_function_header): Update.
241 * gen-icache.c (print_icache_function_header): Update.
242 (print_icache_function): Update.
243 (print_icache_internal_function_declaration): Update.
244 (print_icache_internal_function_definition): Update.
246 * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
247 files, will at some stage need to move it into support.
249 * igen.h, igen.c (main): New option -e <engine> - generate a full
250 simulation engine. Previously this was the -d <idecode-file>
252 * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need
253 to clean these up so that that call upon the updated gen-idecode
256 * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
257 generating a decode table.
259 * Makefile.in (igen): Add dependencies for new gen-engine.* files.
261 * igen.h, igen.c (main): New option -M - Control what is returned
262 by semantic functions - -1/NIA vs CIA+N/NIA. Add
263 generate_semantic_returning_modified_nia_only to igen_code enum.
264 * gen-semantics.c (print_semantic_body): As an alternative, make
265 NIA == -1 instead of CIA+insn_size by default.
267 * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
268 New option -P <prefix> - Prepend all generated functions with the
270 (gen_idecode_c): Adjust.
271 * gen-icache.c (print_icache_struct): Ditto.
272 * gen-support.c (gen_support_c): Ditto.
274 Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
276 * igen.c (main): Correct usage. Missleading message about ucase
277 options dumping internal tables. -F now includes rather then
278 excludes instructions.
280 * misc.h, misc.c (a2i): Make 64bit.
282 * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
283 max to 64bits, expect trouble. Make the default 32 bits.
284 * gen-idecode.c (print_idecode_table): Change EXTRACTED*
285 et.al. macro's to use the insn_bit_size instead of assuming 32
287 * gen-icache.c (print_icache_extraction): Ditto.
288 * gen-idecode.c (idecode_switch_start): Ditto.
289 * gen-idecode.c (gen_idecode_c): Ditto
291 * igen.h (insn_specifying_widths), igen.c (main): New option -W.
292 Indicates that the instruction field of the table is specifying
293 bit widths instead of bit offsets.
294 * ld-insn.c (parse_insn_format): Parse instruction fields
297 * misc.c (a2i): Allow binary numbers to be specified using the
299 * ld-insn.c: Allow such numbers to appear in the instruction
302 * table.c (table_entry_read): Make // a valid comment character.
303 (table_entry_read): Skip lines containing a leading " - these may
304 eventually be used in a disasembler.
306 Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com>
308 * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
309 gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
310 gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
311 gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
312 ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
313 ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
314 from the ../ppc directory.
316 * filter_host.c, filter_host.h: Copy in from the ../ppc directory
317 renaming from filter_filename.[hc]