sim/igen/ChangeLog

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