sim/igen/ChangeLog

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