sim/igen/ChangeLog

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