sim/igen/ChangeLog

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