sim/igen/ChangeLog

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