sim/igen/ChangeLog

   1 Wed May  7 12:31:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * igen.c (print_itrace): Fix so line-nr is passed to trace
   4         function.
   5
   6         * gen-idecode.c (print_idecode_validate): Correct FP code.
   7
   8         * gen-support.c (gen_support_h): Always pass MY_INDEX to support
   9         functions.
  10         (print_support_function_name): Ditto.
  11
  12 Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>
  13
  14         * igen.c (print_itrace): Call trace_one_insn to trace
  15         instructions, rather than doing it directly.
  16
  17 Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>
  18
  19         * gen-engine.c (engine_switch_leaf): Remove extra %s.
  20         (print_engine_floating_point_unavailable): Wrap in #ifdef
  21         UNUSED/#endif, until somebody uses it.
  22
  23         * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
  24         variable.
  25         (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
  26         somebody uses it.
  27         (print_idecode_validate): Use long formats to print long values.
  28
  29         * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
  30         if we get an unexpected type.
  31
  32 Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  33
  34         * igen.c (print_itrace): Pass SD as well as CPU to calls to
  35         trace_printf.
  36
  37         * gen-support.c (gen_support_h): Always pass sim_cia cia to
  38         support functions.
  39         (print_support_function_name): Ditto.
  40
  41 Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  42
  43         * gen-support.c (support_c_function): Remove unnecessary memset of
  44         cia.
  45         * gen-semantics.c (print_semantic_body): Wasn't closing
  46         generated comment.
  47
  48 Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  49
  50         * ld-insn.c (load_insn_table): Report instructions that do not
  51         have at least a format and name.
  52         (insn_table_find_opcode_field): Check progress is being made.
  53
  54         * gen-support.c (support_c_function): Report empty function body.
  55
  56 Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  57
  58         * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
  59         be broken up.
  60         (insn_table_expand_insns): Allow special rules to apply to groups
  61         of instructions when all members of the group match the special
  62         mask/value.
  63
  64         * gen-semantics.c (print_c_semantic): Ditto.
  65         * igen.c (print_semantic_function_formal): Ditto.
  66         (print_semantic_function_type): Ditto.
  67         * igen.c (print_icache_function_formal): Ditto.
  68         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
  69
  70         * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
  71         instruction_address type.
  72
  73         * gen-semantics.c (print_semantic_body): Call cpu_error when an
  74         unimplemented instruction is encountered - gives the interpreter
  75         the chance to stop correctly.
  76
  77 Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  78
  79         * igen.c (print_function_name): Allow dot's in instruction names.
  80
  81 Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  82
  83         * igen.c (main), igen.h: Support new option - delayed-branch -
  84         generate code to drive a delayed branch processor.
  85
  86         * gen-idecode.c (gen_idecode_h): Define instruction_address type.
  87
  88         * igen.c (print_icache_function_formal): Replace address_word with
  89         instruction_address.
  90         (print_semantic_function_formal): Ditto.
  91         (print_semantic_function_type): Ditto.
  92         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
  93
  94         * gen-semantics.c (print_semantic_body): Ditto.
  95         (print_c_semantic): Ditto.
  96
  97         * gen-support.c (support_c_function): Return a zeroed CIA instead
  98         of just zero - works with any cia type.
  99
 100         * igen.c (print_itrace): For delayed branch case, print just the
 101         current instruction.
 102
 103 Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>
 104
 105         * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
 106
 107 Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>
 108
 109         * Makefile.in (INSTALL): Set to @INSTALL@.
 110         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 111
 112 Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>
 113
 114         * Makefile.in (INSTALL): Change install.sh to install-sh.
 115
 116 Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 117
 118         * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.
 119         * gen-idecode.c (gen_idecode_c): Likewise.
 120         * igen.c (gen_semantics_c): Likewise.
 121
 122 Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 123
 124         * gen-icache.c (print_icache_body): No longer define cpu/sd,
 125         support.h now defines CPU/SD globally.
 126
 127         * gen-model.c (gen_model_h): Ditto.
 128
 129         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 130         (print_jump): Ditto.
 131         (print_jump_until_stop_body): Ditto.
 132         (print_idecode_validate): Ditto.
 133
 134         * gen-icache.c (print_icache_body): Ditto.
 135
 136         * gen-semantics.c (print_semantic_body): Ditto.
 137
 138         * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 139         processor to cpu.
 140         (print_icache_function_formal): Ditto.
 141
 142         * gen-support.c (print_support_function_name): Include sd/cpu arg
 143         in support function argument list.
 144         (support_c_function): Generate code to cpu/sd from sd/cpu.
 145         (gen_support_h): Define _SD the argument prefix for all support
 146         functions.  Define SD/CPU to determine sd/cpu from value of _SD
 147         macro.
 148
 149 Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 150
 151         * gen-support.c (gen_support_c): Update for renaming of engine to
 152         sim-state.
 153
 154         * igen.c: Ditto.
 155         * gen-idecode.c (gen_idecode_c): Ditto.
 156
 157 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 158
 159         * ld-decode.c (load_decode_table): Rename slash to reserved.
 160         (dump_decode_rule): Ditto.
 161
 162         * ld-insn.c (parse_insn_format): Differentiate between a `/' -
 163         reserved bit - and a `*' - wild card.
 164         (parse_insn_format): Change is_slash to more informative reserved.
 165         (dump_insn_field): Ditto.
 166         (insn_field_is_constant): Ditto.
 167         (insn_table_expand_opcode): Ditto.
 168
 169         * gen-idecode.c (print_idecode_validate): Make check_mask and
 170         check_val the correct integer size.
 171         (print_idecode_validate): Fix reserved bit check for 64 bit
 172         targets.
 173
 174 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 175
 176         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 177         `/' in bit fields.  `/' denotes a wild bit.
 178
 179 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 180
 181         * igen.h, igen.c (main): New options. Control generation of
 182         conditional issue and slot verification code.
 183
 184 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 185
 186         * gen-support.c (print_support_function_name): Prepend the global
 187         name prefix when applicable.  Provide #define to map the user
 188         specified name the generated globaly unique one.
 189
 190 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 191
 192         * gen-idecode.c (print_idecode_validate): Wrap each of the checks
 193         - reserved bits, floating point and slot validation - with a
 194         #ifdef so that they are optional.
 195
 196 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 197
 198         * gen-idecode.c (error_leaf_contains_multiple_insn): New function
 199         - report the error of a leaf node in the decision tree containing
 200         several instructions.
 201         (print_idecode_table_leaf): Detect a leaf with multiple instructions.
 202         (print_idecode_switch_leaf): Ditto.
 203
 204         * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
 205         print_idecode_invalid): Rename former to latter.  Add argument so
 206         that one function can generate all invalid instruction cases -
 207         illegal, fp-unavailable, wrong-slot.
 208         * gen-engine.c: Update.
 209
 210         * gen-idecode.c: Use print_idecode_invalid to generate a function
 211         call for cases when fp-unavailable and the slot is wrong.
 212
 213         * gen-idecode.c (print_idecode_validate): New check, generate code
 214         to verify that the instruction slot is correct.
 215
 216         * igen.c (main): Simplify options.
 217
 218 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 219
 220         * igen.c (print_itrace): Remove source line reference for trace
 221         code - let the user see the generated file.
 222         (print_itrace): Print the trace code rather than reference a
 223         macro.
 224
 225 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 226
 227         * igen.c (print_semantic_function_actual): Pass either the
 228         processor - smp - or the engine - mono - into semantic functions.
 229         Don't pass in both.
 230
 231         * gen-icache.c (print_icache_body): Dependant on smp, derive
 232         processor from engine or engine from processor, and hence ensuring
 233         that both are defined in all semantic functions.
 234
 235 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 236
 237         * ld-insn.c (parse_insn_format): Make the width field optional.
 238         If missing assume that the number of characters in the value
 239         determines the number of bits in the field.
 240
 241 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 242
 243         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
 244         more useful error message.
 245
 246 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 247
 248         * misc.c (error): Output errors on stderr.
 249
 250         * ld-insn.c (parse_insn_format): Skip any leading spaces.
 251         Verify the width of instructions being parsed.
 252
 253         * table.c (table_entry_read): Parse CPP's convention for
 254         specifying original file name/line-nr.
 255
 256 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 257
 258         * ld-insn.c (parse_insn_format): Allow trailing spaces in
 259         instruction fields.
 260
 261         * Makefile.in: Create using ../ppc/Makefile.in as a starting
 262         point.
 263         * configure.in: Ditto vis ../ppc/configure.in
 264
 265 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 266
 267         * gen-support.c (gen_support_c): Always include engine.h instead
 268         of cpu.h
 269         * gen-idecode.c (gen_idecode_c): Ditto.
 270
 271         * words.h (instruction_word): Remove instruction_word - now
 272         generated by igen.
 273         (address_word): New.  Used by igen.
 274
 275         * lf.c (lf_print_function_type_function): New, pass a function to
 276         print out the type instead of a constant string.
 277
 278         * igen.h, igen.c (print_semantic_function_formal,
 279         SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
 280         (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
 281         (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
 282         (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
 283         (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
 284         (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
 285         * gen-idecode.c (print_idecode_table): Update.
 286         (idecode_switch_leaf): Update.
 287         (print_idecode_switch_function_header): Ditto.
 288         (print_idecode_floating_point_unavailable): Ditto.
 289         (print_idecode_issue_function_header): Ditto.
 290         * igen.c (gen_icache_h): Ditto.
 291         * gen-engine.c (print_engine_table): Ditto.
 292         (engine_switch_leaf): Ditto.
 293         * gen-support.c (print_support_function_name): Ditto.
 294         * gen-semantics.c (print_semantic_function_header): Update.
 295         Update.
 296         * gen-icache.c (print_icache_function_header): Update.
 297         (print_icache_function): Update.
 298         (print_icache_internal_function_declaration): Update.
 299         (print_icache_internal_function_definition): Update.
 300
 301         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 302         files, will at some stage need to move it into support.
 303
 304         * igen.h, igen.c (main): New option -e <engine> - generate a full
 305         simulation engine.  Previously this was the -d <idecode-file>
 306         option.
 307         * gen-engine.h, gen-engine.c: Copies of gen-idecode.*.  Will need
 308         to clean these up so that that call upon the updated gen-idecode
 309         code.
 310
 311         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 312         generating a decode table.
 313
 314         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
 315
 316         * igen.h, igen.c (main): New option -M - Control what is returned
 317         by semantic functions - -1/NIA vs CIA+N/NIA.  Add
 318         generate_semantic_returning_modified_nia_only to igen_code enum.
 319         * gen-semantics.c (print_semantic_body): As an alternative, make
 320         NIA == -1 instead of CIA+insn_size by default.
 321
 322         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 323         New option -P <prefix> - Prepend all generated functions with the
 324         specified prefix.
 325         (gen_idecode_c): Adjust.
 326         * gen-icache.c (print_icache_struct): Ditto.
 327         * gen-support.c (gen_support_c): Ditto.
 328
 329 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 330
 331         * igen.c (main): Correct usage. Missleading message about ucase
 332         options dumping internal tables.  -F now includes rather then
 333         excludes instructions.
 334
 335         * misc.h, misc.c (a2i): Make 64bit.
 336
 337         * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
 338         max to 64bits, expect trouble.  Make the default 32 bits.
 339         * gen-idecode.c (print_idecode_table): Change EXTRACTED*
 340         et.al. macro's to use the insn_bit_size instead of assuming 32
 341         bits.
 342         * gen-icache.c (print_icache_extraction): Ditto.
 343         * gen-idecode.c (idecode_switch_start): Ditto.
 344         * gen-idecode.c (gen_idecode_c): Ditto
 345
 346         * igen.h (insn_specifying_widths), igen.c (main): New option -W.
 347         Indicates that the instruction field of the table is specifying
 348         bit widths instead of bit offsets.
 349         * ld-insn.c (parse_insn_format): Parse instruction fields
 350         specifying widths.
 351
 352         * misc.c (a2i): Allow binary numbers to be specified using the
 353         syntax 0bNNNN.
 354         * ld-insn.c: Allow such numbers to appear in the instruction
 355         format.
 356
 357         * table.c (table_entry_read): Make // a valid comment character.
 358         (table_entry_read): Skip lines containing a leading " - these may
 359         eventually be used in a disasembler.
 360
 361 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 362
 363         * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
 364         gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
 365         gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
 366         gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
 367         ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
 368         ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
 369         from the ../ppc directory.
 370
 371         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
 372         renaming from filter_filename.[hc]