sim/igen/ChangeLog

   1 Tue May  6 06:12:04 1997  Mike Meissner  <meissner@cygnus.com>
   2
   3         * igen.c (print_itrace): Call trace_one_insn to trace
   4         instructions, rather than doing it directly.
   5
   6 Mon May  5 14:11:46 1997  Mike Meissner  <meissner@cygnus.com>
   7
   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.
  11
  12         * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused
  13         variable.
  14         (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until
  15         somebody uses it.
  16         (print_idecode_validate): Use long formats to print long values.
  17
  18         * gen-semantics.c (print_idecode_invalid): Set name to "unknown"
  19         if we get an unexpected type.
  20
  21 Fri May  2 13:28:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  22
  23         * igen.c (print_itrace): Pass SD as well as CPU to calls to
  24         trace_printf.
  25
  26         * gen-support.c (gen_support_h): Always pass sim_cia cia to
  27         support functions.
  28         (print_support_function_name): Ditto.
  29
  30 Wed Apr 30 17:35:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  31
  32         * gen-support.c (support_c_function): Remove unnecessary memset of
  33         cia.
  34         * gen-semantics.c (print_semantic_body): Wasn't closing
  35         generated comment.
  36
  37 Tue Apr 29 11:11:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  38
  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.
  42
  43         * gen-support.c (support_c_function): Report empty function body.
  44
  45 Thu Apr 24 11:43:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  46
  47         * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to
  48         be broken up.
  49         (insn_table_expand_insns): Allow special rules to apply to groups
  50         of instructions when all members of the group match the special
  51         mask/value.
  52
  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.
  58
  59         * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the
  60         instruction_address type.
  61
  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.
  65
  66 Wed Apr 23 20:06:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  67
  68         * igen.c (print_function_name): Allow dot's in instruction names.
  69
  70 Tue Apr 22 21:46:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  71
  72         * igen.c (main), igen.h: Support new option - delayed-branch -
  73         generate code to drive a delayed branch processor.
  74
  75         * gen-idecode.c (gen_idecode_h): Define instruction_address type.
  76
  77         * igen.c (print_icache_function_formal): Replace address_word with
  78         instruction_address.
  79         (print_semantic_function_formal): Ditto.
  80         (print_semantic_function_type): Ditto.
  81         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
  82
  83         * gen-semantics.c (print_semantic_body): Ditto.
  84         (print_c_semantic): Ditto.
  85
  86         * gen-support.c (support_c_function): Return a zeroed CIA instead
  87         of just zero - works with any cia type.
  88
  89         * igen.c (print_itrace): For delayed branch case, print just the
  90         current instruction.
  91
  92 Thu Apr 17 07:02:33 1997  Doug Evans  <dje@canuck.cygnus.com>
  93
  94         * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.
  95
  96 Tue Apr 15 15:20:31 1997  Ian Lance Taylor  <ian@cygnus.com>
  97
  98         * Makefile.in (INSTALL): Set to @INSTALL@.
  99         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 100
 101 Mon Apr 14 16:29:34 1997  Ian Lance Taylor  <ian@cygnus.com>
 102
 103         * Makefile.in (INSTALL): Change install.sh to install-sh.
 104
 105 Wed Apr  2 18:51:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 106
 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.
 110
 111 Mon Mar 24 10:10:08 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 112
 113         * gen-icache.c (print_icache_body): No longer define cpu/sd,
 114         support.h now defines CPU/SD globally.
 115
 116         * gen-model.c (gen_model_h): Ditto.
 117
 118         * gen-idecode.c (print_idecode_issue_function_body): Ditto.
 119         (print_jump): Ditto.
 120         (print_jump_until_stop_body): Ditto.
 121         (print_idecode_validate): Ditto.
 122
 123         * gen-icache.c (print_icache_body): Ditto.
 124
 125         * gen-semantics.c (print_semantic_body): Ditto.
 126
 127         * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,
 128         processor to cpu.
 129         (print_icache_function_formal): Ditto.
 130
 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
 136         macro.
 137
 138 Tue Mar 18 15:52:24 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 139
 140         * gen-support.c (gen_support_c): Update for renaming of engine to
 141         sim-state.
 142
 143         * igen.c: Ditto.
 144         * gen-idecode.c (gen_idecode_c): Ditto.
 145
 146 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 147
 148         * ld-decode.c (load_decode_table): Rename slash to reserved.
 149         (dump_decode_rule): Ditto.
 150
 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.
 157
 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
 161         targets.
 162
 163 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 164
 165         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
 166         `/' in bit fields.  `/' denotes a wild bit.
 167
 168 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 169
 170         * igen.h, igen.c (main): New options. Control generation of
 171         conditional issue and slot verification code.
 172
 173 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 174
 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.
 178
 179 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 180
 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.
 184
 185 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 186
 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.
 192
 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.
 198
 199         * gen-idecode.c: Use print_idecode_invalid to generate a function
 200         call for cases when fp-unavailable and the slot is wrong.
 201
 202         * gen-idecode.c (print_idecode_validate): New check, generate code
 203         to verify that the instruction slot is correct.
 204
 205         * igen.c (main): Simplify options.
 206
 207 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 208
 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
 212         macro.
 213
 214 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 215
 216         * igen.c (print_semantic_function_actual): Pass either the
 217         processor - smp - or the engine - mono - into semantic functions.
 218         Don't pass in both.
 219
 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.
 223
 224 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 225
 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.
 229
 230 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 231
 232         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
 233         more useful error message.
 234
 235 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 236
 237         * misc.c (error): Output errors on stderr.
 238
 239         * ld-insn.c (parse_insn_format): Skip any leading spaces.
 240         Verify the width of instructions being parsed.
 241
 242         * table.c (table_entry_read): Parse CPP's convention for
 243         specifying original file name/line-nr.
 244
 245 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 246
 247         * ld-insn.c (parse_insn_format): Allow trailing spaces in
 248         instruction fields.
 249
 250         * Makefile.in: Create using ../ppc/Makefile.in as a starting
 251         point.
 252         * configure.in: Ditto vis ../ppc/configure.in
 253
 254 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 255
 256         * gen-support.c (gen_support_c): Always include engine.h instead
 257         of cpu.h
 258         * gen-idecode.c (gen_idecode_c): Ditto.
 259
 260         * words.h (instruction_word): Remove instruction_word - now
 261         generated by igen.
 262         (address_word): New.  Used by igen.
 263
 264         * lf.c (lf_print_function_type_function): New, pass a function to
 265         print out the type instead of a constant string.
 266
 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.
 284         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.
 289
 290         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 291         files, will at some stage need to move it into support.
 292
 293         * igen.h, igen.c (main): New option -e <engine> - generate a full
 294         simulation engine.  Previously this was the -d <idecode-file>
 295         option.
 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
 298         code.
 299
 300         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 301         generating a decode table.
 302
 303         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
 304
 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.
 310
 311         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 312         New option -P <prefix> - Prepend all generated functions with the
 313         specified prefix.
 314         (gen_idecode_c): Adjust.
 315         * gen-icache.c (print_icache_struct): Ditto.
 316         * gen-support.c (gen_support_c): Ditto.
 317
 318 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 319
 320         * igen.c (main): Correct usage. Missleading message about ucase
 321         options dumping internal tables.  -F now includes rather then
 322         excludes instructions.
 323
 324         * misc.h, misc.c (a2i): Make 64bit.
 325
 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
 330         bits.
 331         * gen-icache.c (print_icache_extraction): Ditto.
 332         * gen-idecode.c (idecode_switch_start): Ditto.
 333         * gen-idecode.c (gen_idecode_c): Ditto
 334
 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
 339         specifying widths.
 340
 341         * misc.c (a2i): Allow binary numbers to be specified using the
 342         syntax 0bNNNN.
 343         * ld-insn.c: Allow such numbers to appear in the instruction
 344         format.
 345
 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.
 349
 350 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 351
 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.
 359
 360         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
 361         renaming from filter_filename.[hc]