sim/igen/ChangeLog

   1 Fri May 23 12:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * gen-semantics.c (print_semantic_body): Incorrect test for
   4         zero-r0 code.
   5
   6 Fri May 16 14:32:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   7
   8         * gen-semantics.c (print_semantic_body): Use common sim-engine
   9         interface.
  10
  11 Fri May 16 11:48:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  12
  13         * gen-semantics.c (print_semantic_body): Add code to clear r0.
  14
  15         * igen.c (main): Add new option zero-r0, which adds code to clear
  16         GPR(0) each cycle.
  17
  18 Wed May  7 12:31:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  19
  20         * igen.c (print_itrace): Fix so line-nr is passed to trace
  21         function.
  22
  23         * gen-idecode.c (print_idecode_validate): Correct FP code.
  24
  25         * gen-support.c (gen_support_h): Always pass MY_INDEX to support
  26         functions.
  27         (print_support_function_name): Ditto.
  28
  29 Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>
  30
  31         * igen.c (print_itrace): Call trace_one_insn to trace
  32         instructions, rather than doing it directly.
  33
  34 Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>
  35
  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.
  39
  40         * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
  41         variable.
  42         (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
  43         somebody uses it.
  44         (print_idecode_validate): Use long formats to print long values.
  45
  46         * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
  47         if we get an unexpected type.
  48
  49 Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  50
  51         * igen.c (print_itrace): Pass SD as well as CPU to calls to
  52         trace_printf.
  53
  54         * gen-support.c (gen_support_h): Always pass sim_cia cia to
  55         support functions.
  56         (print_support_function_name): Ditto.
  57
  58 Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  59
  60         * gen-support.c (support_c_function): Remove unnecessary memset of
  61         cia.
  62         * gen-semantics.c (print_semantic_body): Wasn't closing
  63         generated comment.
  64
  65 Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  66
  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.
  70
  71         * gen-support.c (support_c_function): Report empty function body.
  72
  73 Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  74
  75         * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
  76         be broken up.
  77         (insn_table_expand_insns): Allow special rules to apply to groups
  78         of instructions when all members of the group match the special
  79         mask/value.
  80
  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.
  86
  87         * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
  88         instruction_address type.
  89
  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.
  93
  94 Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  95
  96         * igen.c (print_function_name): Allow dot's in instruction names.
  97
  98 Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  99
 100         * igen.c (main), igen.h: Support new option - delayed-branch -
 101         generate code to drive a delayed branch processor.
 102
 103         * gen-idecode.c (gen_idecode_h): Define instruction_address type.
 104
 105         * igen.c (print_icache_function_formal): Replace address_word with
 106         instruction_address.
 107         (print_semantic_function_formal): Ditto.
 108         (print_semantic_function_type): Ditto.
 109         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 110
 111         * gen-semantics.c (print_semantic_body): Ditto.
 112         (print_c_semantic): Ditto.
 113
 114         * gen-support.c (support_c_function): Return a zeroed CIA instead
 115         of just zero - works with any cia type.
 116
 117         * igen.c (print_itrace): For delayed branch case, print just the
 118         current instruction.
 119
 120 Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>
 121
 122         * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
 123
 124 Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>
 125
 126         * Makefile.in (INSTALL): Set to @INSTALL@.
 127         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 128
 129 Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>
 130
 131         * Makefile.in (INSTALL): Change install.sh to install-sh.
 132
 133 Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 134
 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.
 138
 139 Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 140
 141         * gen-icache.c (print_icache_body): No longer define cpu/sd,
 142         support.h now defines CPU/SD globally.
 143
 144         * gen-model.c (gen_model_h): Ditto.
 145
 146         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 147         (print_jump): Ditto.
 148         (print_jump_until_stop_body): Ditto.
 149         (print_idecode_validate): Ditto.
 150
 151         * gen-icache.c (print_icache_body): Ditto.
 152
 153         * gen-semantics.c (print_semantic_body): Ditto.
 154
 155         * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 156         processor to cpu.
 157         (print_icache_function_formal): Ditto.
 158
 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
 164         macro.
 165
 166 Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 167
 168         * gen-support.c (gen_support_c): Update for renaming of engine to
 169         sim-state.
 170
 171         * igen.c: Ditto.
 172         * gen-idecode.c (gen_idecode_c): Ditto.
 173
 174 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 175
 176         * ld-decode.c (load_decode_table): Rename slash to reserved.
 177         (dump_decode_rule): Ditto.
 178
 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.
 185
 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
 189         targets.
 190
 191 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 192
 193         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 194         `/' in bit fields.  `/' denotes a wild bit.
 195
 196 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 197
 198         * igen.h, igen.c (main): New options. Control generation of
 199         conditional issue and slot verification code.
 200
 201 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 202
 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.
 206
 207 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 208
 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.
 212
 213 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 214
 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.
 220
 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.
 226
 227         * gen-idecode.c: Use print_idecode_invalid to generate a function
 228         call for cases when fp-unavailable and the slot is wrong.
 229
 230         * gen-idecode.c (print_idecode_validate): New check, generate code
 231         to verify that the instruction slot is correct.
 232
 233         * igen.c (main): Simplify options.
 234
 235 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 236
 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
 240         macro.
 241
 242 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 243
 244         * igen.c (print_semantic_function_actual): Pass either the
 245         processor - smp - or the engine - mono - into semantic functions.
 246         Don't pass in both.
 247
 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.
 251
 252 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 253
 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.
 257
 258 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 259
 260         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
 261         more useful error message.
 262
 263 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 264
 265         * misc.c (error): Output errors on stderr.
 266
 267         * ld-insn.c (parse_insn_format): Skip any leading spaces.
 268         Verify the width of instructions being parsed.
 269
 270         * table.c (table_entry_read): Parse CPP's convention for
 271         specifying original file name/line-nr.
 272
 273 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 274
 275         * ld-insn.c (parse_insn_format): Allow trailing spaces in
 276         instruction fields.
 277
 278         * Makefile.in: Create using ../ppc/Makefile.in as a starting
 279         point.
 280         * configure.in: Ditto vis ../ppc/configure.in
 281
 282 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 283
 284         * gen-support.c (gen_support_c): Always include engine.h instead
 285         of cpu.h
 286         * gen-idecode.c (gen_idecode_c): Ditto.
 287
 288         * words.h (instruction_word): Remove instruction_word - now
 289         generated by igen.
 290         (address_word): New.  Used by igen.
 291
 292         * lf.c (lf_print_function_type_function): New, pass a function to
 293         print out the type instead of a constant string.
 294
 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.
 312         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.
 317
 318         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 319         files, will at some stage need to move it into support.
 320
 321         * igen.h, igen.c (main): New option -e <engine> - generate a full
 322         simulation engine.  Previously this was the -d <idecode-file>
 323         option.
 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
 326         code.
 327
 328         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 329         generating a decode table.
 330
 331         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
 332
 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.
 338
 339         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 340         New option -P <prefix> - Prepend all generated functions with the
 341         specified prefix.
 342         (gen_idecode_c): Adjust.
 343         * gen-icache.c (print_icache_struct): Ditto.
 344         * gen-support.c (gen_support_c): Ditto.
 345
 346 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 347
 348         * igen.c (main): Correct usage. Missleading message about ucase
 349         options dumping internal tables.  -F now includes rather then
 350         excludes instructions.
 351
 352         * misc.h, misc.c (a2i): Make 64bit.
 353
 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
 358         bits.
 359         * gen-icache.c (print_icache_extraction): Ditto.
 360         * gen-idecode.c (idecode_switch_start): Ditto.
 361         * gen-idecode.c (gen_idecode_c): Ditto
 362
 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
 367         specifying widths.
 368
 369         * misc.c (a2i): Allow binary numbers to be specified using the
 370         syntax 0bNNNN.
 371         * ld-insn.c: Allow such numbers to appear in the instruction
 372         format.
 373
 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.
 377
 378 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 379
 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.
 387
 388         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
 389         renaming from filter_filename.[hc]