sim/igen/ChangeLog

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