sim/igen/ChangeLog

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