sim/igen/ChangeLog

   1 Fri May 16 11:48:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * gen-semantics.c (print_semantic_body): Add code to clear r0.
   4
   5         * igen.c (main): Add new option zero-r0, which adds code to clear
   6         GPR(0) each cycle.
   7
   8 Wed May  7 12:31:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   9
  10         * igen.c (print_itrace): Fix so line-nr is passed to trace
  11         function.
  12
  13         * gen-idecode.c (print_idecode_validate): Correct FP code.
  14
  15         * gen-support.c (gen_support_h): Always pass MY_INDEX to support
  16         functions.
  17         (print_support_function_name): Ditto.
  18
  19 Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>
  20
  21         * igen.c (print_itrace): Call trace_one_insn to trace
  22         instructions, rather than doing it directly.
  23
  24 Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>
  25
  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.
  29
  30         * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
  31         variable.
  32         (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
  33         somebody uses it.
  34         (print_idecode_validate): Use long formats to print long values.
  35
  36         * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
  37         if we get an unexpected type.
  38
  39 Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  40
  41         * igen.c (print_itrace): Pass SD as well as CPU to calls to
  42         trace_printf.
  43
  44         * gen-support.c (gen_support_h): Always pass sim_cia cia to
  45         support functions.
  46         (print_support_function_name): Ditto.
  47
  48 Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  49
  50         * gen-support.c (support_c_function): Remove unnecessary memset of
  51         cia.
  52         * gen-semantics.c (print_semantic_body): Wasn't closing
  53         generated comment.
  54
  55 Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  56
  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.
  60
  61         * gen-support.c (support_c_function): Report empty function body.
  62
  63 Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  64
  65         * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
  66         be broken up.
  67         (insn_table_expand_insns): Allow special rules to apply to groups
  68         of instructions when all members of the group match the special
  69         mask/value.
  70
  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.
  76
  77         * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
  78         instruction_address type.
  79
  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.
  83
  84 Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  85
  86         * igen.c (print_function_name): Allow dot's in instruction names.
  87
  88 Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  89
  90         * igen.c (main), igen.h: Support new option - delayed-branch -
  91         generate code to drive a delayed branch processor.
  92
  93         * gen-idecode.c (gen_idecode_h): Define instruction_address type.
  94
  95         * igen.c (print_icache_function_formal): Replace address_word with
  96         instruction_address.
  97         (print_semantic_function_formal): Ditto.
  98         (print_semantic_function_type): Ditto.
  99         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 100
 101         * gen-semantics.c (print_semantic_body): Ditto.
 102         (print_c_semantic): Ditto.
 103
 104         * gen-support.c (support_c_function): Return a zeroed CIA instead
 105         of just zero - works with any cia type.
 106
 107         * igen.c (print_itrace): For delayed branch case, print just the
 108         current instruction.
 109
 110 Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>
 111
 112         * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
 113
 114 Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>
 115
 116         * Makefile.in (INSTALL): Set to @INSTALL@.
 117         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 118
 119 Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>
 120
 121         * Makefile.in (INSTALL): Change install.sh to install-sh.
 122
 123 Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 124
 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.
 128
 129 Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 130
 131         * gen-icache.c (print_icache_body): No longer define cpu/sd,
 132         support.h now defines CPU/SD globally.
 133
 134         * gen-model.c (gen_model_h): Ditto.
 135
 136         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 137         (print_jump): Ditto.
 138         (print_jump_until_stop_body): Ditto.
 139         (print_idecode_validate): Ditto.
 140
 141         * gen-icache.c (print_icache_body): Ditto.
 142
 143         * gen-semantics.c (print_semantic_body): Ditto.
 144
 145         * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 146         processor to cpu.
 147         (print_icache_function_formal): Ditto.
 148
 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
 154         macro.
 155
 156 Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 157
 158         * gen-support.c (gen_support_c): Update for renaming of engine to
 159         sim-state.
 160
 161         * igen.c: Ditto.
 162         * gen-idecode.c (gen_idecode_c): Ditto.
 163
 164 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 165
 166         * ld-decode.c (load_decode_table): Rename slash to reserved.
 167         (dump_decode_rule): Ditto.
 168
 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.
 175
 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
 179         targets.
 180
 181 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 182
 183         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 184         `/' in bit fields.  `/' denotes a wild bit.
 185
 186 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 187
 188         * igen.h, igen.c (main): New options. Control generation of
 189         conditional issue and slot verification code.
 190
 191 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 192
 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.
 196
 197 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 198
 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.
 202
 203 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 204
 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.
 210
 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.
 216
 217         * gen-idecode.c: Use print_idecode_invalid to generate a function
 218         call for cases when fp-unavailable and the slot is wrong.
 219
 220         * gen-idecode.c (print_idecode_validate): New check, generate code
 221         to verify that the instruction slot is correct.
 222
 223         * igen.c (main): Simplify options.
 224
 225 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 226
 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
 230         macro.
 231
 232 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 233
 234         * igen.c (print_semantic_function_actual): Pass either the
 235         processor - smp - or the engine - mono - into semantic functions.
 236         Don't pass in both.
 237
 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.
 241
 242 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 243
 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.
 247
 248 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 249
 250         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
 251         more useful error message.
 252
 253 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 254
 255         * misc.c (error): Output errors on stderr.
 256
 257         * ld-insn.c (parse_insn_format): Skip any leading spaces.
 258         Verify the width of instructions being parsed.
 259
 260         * table.c (table_entry_read): Parse CPP's convention for
 261         specifying original file name/line-nr.
 262
 263 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 264
 265         * ld-insn.c (parse_insn_format): Allow trailing spaces in
 266         instruction fields.
 267
 268         * Makefile.in: Create using ../ppc/Makefile.in as a starting
 269         point.
 270         * configure.in: Ditto vis ../ppc/configure.in
 271
 272 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 273
 274         * gen-support.c (gen_support_c): Always include engine.h instead
 275         of cpu.h
 276         * gen-idecode.c (gen_idecode_c): Ditto.
 277
 278         * words.h (instruction_word): Remove instruction_word - now
 279         generated by igen.
 280         (address_word): New.  Used by igen.
 281
 282         * lf.c (lf_print_function_type_function): New, pass a function to
 283         print out the type instead of a constant string.
 284
 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.
 302         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.
 307
 308         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 309         files, will at some stage need to move it into support.
 310
 311         * igen.h, igen.c (main): New option -e <engine> - generate a full
 312         simulation engine.  Previously this was the -d <idecode-file>
 313         option.
 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
 316         code.
 317
 318         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 319         generating a decode table.
 320
 321         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
 322
 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.
 328
 329         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 330         New option -P <prefix> - Prepend all generated functions with the
 331         specified prefix.
 332         (gen_idecode_c): Adjust.
 333         * gen-icache.c (print_icache_struct): Ditto.
 334         * gen-support.c (gen_support_c): Ditto.
 335
 336 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 337
 338         * igen.c (main): Correct usage. Missleading message about ucase
 339         options dumping internal tables.  -F now includes rather then
 340         excludes instructions.
 341
 342         * misc.h, misc.c (a2i): Make 64bit.
 343
 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
 348         bits.
 349         * gen-icache.c (print_icache_extraction): Ditto.
 350         * gen-idecode.c (idecode_switch_start): Ditto.
 351         * gen-idecode.c (gen_idecode_c): Ditto
 352
 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
 357         specifying widths.
 358
 359         * misc.c (a2i): Allow binary numbers to be specified using the
 360         syntax 0bNNNN.
 361         * ld-insn.c: Allow such numbers to appear in the instruction
 362         format.
 363
 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.
 367
 368 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 369
 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.
 377
 378         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
 379         renaming from filter_filename.[hc]