sim/igen/ChangeLog

   1         * ld-insn.h: Change insn_type to be derived from the portable
   2         SIM_INT64_T.
   3
   4
   5 Mon Mar 17 15:17:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
   6
   7         * ld-decode.c (load_decode_table): Rename slash to reserved.
   8         (dump_decode_rule): Ditto.
   9
  10         * ld-insn.c (parse_insn_format): Differentiate between a `/' -
  11         reserved bit - and a `*' - wild card.
  12         (parse_insn_format): Change is_slash to more informative reserved.
  13         (dump_insn_field): Ditto.
  14         (insn_field_is_constant): Ditto.
  15         (insn_table_expand_opcode): Ditto.
  16
  17         * gen-idecode.c (print_idecode_validate): Make check_mask and
  18         check_val the correct integer size.
  19         (print_idecode_validate): Fix reserved bit check for 64 bit
  20         targets.
  21
  22 Fri Mar 14 11:24:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  23
  24         * ld-insn.c (parse_insn_format): Accept '*' as an alternative of
  25         `/' in bit fields.  `/' denotes a wild bit.
  26
  27 Fri Mar  7 18:20:38 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  28
  29         * igen.h, igen.c (main): New options. Control generation of
  30         conditional issue and slot verification code.
  31
  32 Fri Mar  7 18:17:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  33
  34         * gen-support.c (print_support_function_name): Prepend the global
  35         name prefix when applicable.  Provide #define to map the user
  36         specified name the generated globaly unique one.
  37
  38 Fri Mar  7 18:07:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  39
  40         * gen-idecode.c (print_idecode_validate): Wrap each of the checks
  41         - reserved bits, floating point and slot validation - with a
  42         #ifdef so that they are optional.
  43
  44 Fri Mar  7 16:35:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  45
  46         * gen-idecode.c (error_leaf_contains_multiple_insn): New function
  47         - report the error of a leaf node in the decision tree containing
  48         several instructions.
  49         (print_idecode_table_leaf): Detect a leaf with multiple instructions.
  50         (print_idecode_switch_leaf): Ditto.
  51
  52         * gen-semantics.h, gen-semantics.c (print_idecode_illegal,
  53         print_idecode_invalid): Rename former to latter.  Add argument so
  54         that one function can generate all invalid instruction cases -
  55         illegal, fp-unavailable, wrong-slot.
  56         * gen-engine.c: Update.
  57
  58         * gen-idecode.c: Use print_idecode_invalid to generate a function
  59         call for cases when fp-unavailable and the slot is wrong.
  60
  61         * gen-idecode.c (print_idecode_validate): New check, generate code
  62         to verify that the instruction slot is correct.
  63
  64         * igen.c (main): Simplify options.
  65
  66 Wed Mar  5 09:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  67
  68         * igen.c (print_itrace): Remove source line reference for trace
  69         code - let the user see the generated file.
  70         (print_itrace): Print the trace code rather than reference a
  71         macro.
  72
  73 Tue Mar  4 17:31:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  74
  75         * igen.c (print_semantic_function_actual): Pass either the
  76         processor - smp - or the engine - mono - into semantic functions.
  77         Don't pass in both.
  78
  79         * gen-icache.c (print_icache_body): Dependant on smp, derive
  80         processor from engine or engine from processor, and hence ensuring
  81         that both are defined in all semantic functions.
  82
  83 Mon Mar  3 17:11:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  84
  85         * ld-insn.c (parse_insn_format): Make the width field optional.
  86         If missing assume that the number of characters in the value
  87         determines the number of bits in the field.
  88
  89 Thu Feb 27 11:27:48 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  90
  91         * ld-insn.c (insn_table_expand_opcode): Replace assertion with
  92         more useful error message.
  93
  94 Tue Feb 25 16:43:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  95
  96         * misc.c (error): Output errors on stderr.
  97
  98         * ld-insn.c (parse_insn_format): Skip any leading spaces.
  99         Verify the width of instructions being parsed.
 100
 101         * table.c (table_entry_read): Parse CPP's convention for
 102         specifying original file name/line-nr.
 103
 104 Wed Feb 19 12:30:28 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 105
 106         * ld-insn.c (parse_insn_format): Allow trailing spaces in
 107         instruction fields.
 108
 109         * Makefile.in: Create using ../ppc/Makefile.in as a starting
 110         point.
 111         * configure.in: Ditto vis ../ppc/configure.in
 112
 113 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 114
 115         * gen-support.c (gen_support_c): Always include engine.h instead
 116         of cpu.h
 117         * gen-idecode.c (gen_idecode_c): Ditto.
 118
 119         * words.h (instruction_word): Remove instruction_word - now
 120         generated by igen.
 121         (address_word): New.  Used by igen.
 122
 123         * lf.c (lf_print_function_type_function): New, pass a function to
 124         print out the type instead of a constant string.
 125
 126         * igen.h, igen.c (print_semantic_function_formal,
 127         SEMANTIC_FUNCTION_FORMAL): Relace macro with function.
 128         (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto.
 129         (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto.
 130         (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto.
 131         (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto.
 132         (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto.
 133         * gen-idecode.c (print_idecode_table): Update.
 134         (idecode_switch_leaf): Update.
 135         (print_idecode_switch_function_header): Ditto.
 136         (print_idecode_floating_point_unavailable): Ditto.
 137         (print_idecode_issue_function_header): Ditto.
 138         * igen.c (gen_icache_h): Ditto.
 139         * gen-engine.c (print_engine_table): Ditto.
 140         (engine_switch_leaf): Ditto.
 141         * gen-support.c (print_support_function_name): Ditto.
 142         * gen-semantics.c (print_semantic_function_header): Update.
 143         Update.
 144         * gen-icache.c (print_icache_function_header): Update.
 145         (print_icache_function): Update.
 146         (print_icache_internal_function_declaration): Update.
 147         (print_icache_internal_function_definition): Update.
 148
 149         * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h
 150         files, will at some stage need to move it into support.
 151
 152         * igen.h, igen.c (main): New option -e <engine> - generate a full
 153         simulation engine.  Previously this was the -d <idecode-file>
 154         option.
 155         * gen-engine.h, gen-engine.c: Copies of gen-idecode.*.  Will need
 156         to clean these up so that that call upon the updated gen-idecode
 157         code.
 158
 159         * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to
 160         generating a decode table.
 161
 162         * Makefile.in (igen): Add dependencies for new gen-engine.* files.
 163
 164         * igen.h, igen.c (main): New option -M - Control what is returned
 165         by semantic functions - -1/NIA vs CIA+N/NIA.  Add
 166         generate_semantic_returning_modified_nia_only to igen_code enum.
 167         * gen-semantics.c (print_semantic_body): As an alternative, make
 168         NIA == -1 instead of CIA+insn_size by default.
 169
 170         * igen.h, igen.c (main, global_name_prefix, global_uname_prefix):
 171         New option -P <prefix> - Prepend all generated functions with the
 172         specified prefix.
 173         (gen_idecode_c): Adjust.
 174         * gen-icache.c (print_icache_struct): Ditto.
 175         * gen-support.c (gen_support_c): Ditto.
 176
 177 Sun Feb 16 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 178
 179         * igen.c (main): Correct usage. Missleading message about ucase
 180         options dumping internal tables.  -F now includes rather then
 181         excludes instructions.
 182
 183         * misc.h, misc.c (a2i): Make 64bit.
 184
 185         * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase
 186         max to 64bits, expect trouble.  Make the default 32 bits.
 187         * gen-idecode.c (print_idecode_table): Change EXTRACTED*
 188         et.al. macro's to use the insn_bit_size instead of assuming 32
 189         bits.
 190         * gen-icache.c (print_icache_extraction): Ditto.
 191         * gen-idecode.c (idecode_switch_start): Ditto.
 192         * gen-idecode.c (gen_idecode_c): Ditto
 193
 194         * igen.h (insn_specifying_widths), igen.c (main): New option -W.
 195         Indicates that the instruction field of the table is specifying
 196         bit widths instead of bit offsets.
 197         * ld-insn.c (parse_insn_format): Parse instruction fields
 198         specifying widths.
 199
 200         * misc.c (a2i): Allow binary numbers to be specified using the
 201         syntax 0bNNNN.
 202         * ld-insn.c: Allow such numbers to appear in the instruction
 203         format.
 204
 205         * table.c (table_entry_read): Make // a valid comment character.
 206         (table_entry_read): Skip lines containing a leading " - these may
 207         eventually be used in a disasembler.
 208
 209 Fri Feb 14 15:23:15 1997  Andrew Cagney  <cagney@critters.cygnus.com>
 210
 211         * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c,
 212         gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c,
 213         gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c,
 214         gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h,
 215         ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c,
 216         ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in
 217         from the ../ppc directory.
 218
 219         * filter_host.c, filter_host.h: Copy in from the ../ppc directory
 220         renaming from filter_filename.[hc]