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2002-11-21  Andrew Cagney  

        Import from mainline

        2002-11-21  Andrew Cagney  

        * filter.c: Re-indent.

        * filter.h, filter_host.h, gen-engine.c, gen-engine.h: Ditto.

        * gen-icache.c, gen-icache.h, gen-idecode.c: Ditto.

        * gen-idecode.h, gen-itable.c, gen-itable.h: Ditto.

        * gen-model.c, gen-model.h, gen-semantics.c: Ditto.

        * gen-semantics.h, gen-support.c, gen-support.h: Ditto.

        * gen.c, gen.h, igen.c, igen.h, ld-cache.c, ld-cache.h: Ditto.

        * ld-decode.c, ld-decode.h, ld-insn.c, ld-insn.h, lf.c: Ditto.

        * lf.h, misc.c, misc.h, table.c, table.h: Ditto.

        2002-11-21  Andrew Cagney  

        * Makefile.in: Update copyright.  IGEN contributed to the FSF.

        * filter.c, filter.h, filter_host.c, filter_host.h: Ditto.

        * gen-engine.c, gen-engine.h, gen-icache.c, gen-icache.h: Ditto.

        * gen-idecode.c, gen-idecode.h, gen-itable.c: Ditto.

        * gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c: Ditto.

        * gen-semantics.h, gen-support.c, gen-support.h, gen.c: Ditto.

        * gen.h, igen.c, igen.h, ld-cache.c, ld-cache.h: Ditto.

        * ld-decode.c, ld-decode.h, ld-insn.c, ld-insn.h, lf.c: Ditto.

        * lf.h, misc.c, misc.h, table.c, table.h: Ditto.

        2002-11-06  Richard Sandiford  

        * gen-engine.c (print_engine_issue_prefix_hook): Don't add the

        global prefix to ENGINE_ISSUE_PREFIX_HOOK.

        (print_engine_issue_postfix_hook): Likewise ENGINE_ISSUE_POSTFIX_HOOK.

2002-08-28  Dave Brolley  

        * gen-support.c (gen_support_h): Generate

        '#define semantic_illegal _semantic_illegal'.

2002-08-22  Chris Demetriou  

        * compare_igen_models: New script.

2002-06-17  Andrew Cagney  

        * gen.c (gen_entry_expand_opcode): Initialize ``value'' to -1 and

        ``t'' to NULL.

        * igen.c (main): Add default case to switch.

        * gen-icache.c (print_icache_extraction): Ditto.

2002-06-17  Andrew Cagney  

        * Makefile.in (BUILD_CFLAGS): Remove -O0.

2002-06-16  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

2002-06-03  Richard Henderson  

        * gen-engine.c (print_run_body): Avoid multi-line strings.

        * lf.c (lf_print__gnu_copyleft): Likewise.

2002-05-01  Chris Demetriou  

        * igen.c: Use 'deprecated' rather than 'depreciated.'

2002-03-23  Andrew Cagney  

        * gen.c (format_name_cmp): New function.

        (insn_list_insert): Use the instruction field name as an

        additional key.  Different field names indicate different

        semantics.

2002-03-07  Chris Demetriou  

        * igen.c (print_itrace_format): Add support for a new "%#lx" format.

Tue May 23 21:39:23 2000  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

2000-04-12  Frank Ch. Eigler  

        * gen-semantics.c (print_semantic_body): Use GPR_CLEAR(N) instead

        of GPR_SET(N,0) for gen-zero-rN.

Thu Sep  2 18:15:53 1999  Andrew Cagney  

        * Makefile.in (SIM_WARNINGS): Replace this with.

        (IGEN_WERROR_CFLAGS, IGEN_WARN_CFLAGS, WERROR_CFLAGS,

        WARN_CFLAGS): With these.

        (BUILD_CFLAGS): Update.

        * configure: Regenerated to track ../common/aclocal.m4 changes.

1999-05-08  Felix Lee  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Dec  4 15:14:09 1998  Andrew Cagney  

        * igen.c (main): Fix -Pitable=.

        * gen-engine.c (print_run_body): Prefix instruction_address.

Wed Oct 28 18:12:43 1998  Andrew Cagney  

        * Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4

        changes.

Wed Aug 12 10:55:28 1998  Frank Ch. Eigler  

        * gen-icache.c (print_icache_extraction): #undef a generated

        symbol before #define'ing it, to remove conflict with system

        macros.

Wed Jul 29 10:07:27 1998  Andrew Cagney  

        * gen.c (gen_entry_expand_opcode): For conditional, fields.  Fix

        the extraction of the value from its source - both table and bit

        cases were wrong.

Tue Jul 28 11:19:43 1998  Andrew Cagney  

        * ld-insn.c (parse_insn_word): For constant conditional strings,

        encode their bit value.

        * ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional

        operands to refer to fields in earlier instruction words.

        * gen.c (sub_val): Replace field argument with val_last_pos.

        (gen_entry_expand_opcode): Look in previous tables for a value for

        a conditional field as well as the bits from the current table.

        (insn_list_insert): Add sort key of instructions where

        their operand fields have different conditionals.

        (insn_field_cmp): New function.

Sun Apr 26 15:31:55 1998  Tom Tromey  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

        * config.in: Ditto.

Sun Apr 26 15:20:08 1998  Tom Tromey  

        * acconfig.h: New file.

        * configure.in: Reverted change of Apr 24; use sinclude again.

Fri Apr 24 14:16:40 1998  Tom Tromey  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

        * config.in: Ditto.

Fri Apr 24 11:19:33 1998  Tom Tromey  

        * configure.in: Don't call sinclude.

Fri Apr 24 19:45:00 1998  Andrew Cagney  

        * gen-icache.c (print_icache_extraction): Do not type cast

        pointers.

        * ld-insn.c (load_insn_table): Terminate error with NL.

        * gen.c (insns_bit_useless): Perform unsigned bit comparisons.

        * filter.c (is_filtered_out, filter_parse): Pacify GCC, len is

        unsigned.

Wed Apr 22 14:27:39 1998  Michael Meissner  

        * configure: Reconfigure to pick up ../common/aclocal.m4 changes

        to suppress inlining by default.

Tue Apr 21 01:37:54 1998  Andrew Cagney  

        * gen-icache.c (print_icache_extraction): When generating #define

        force the expression to the correct type.

Thu Apr 16 08:50:29 1998  Andrew Cagney  

        * misc.c (name2i): strlen returns an unsigned.

Tue Apr 14 19:04:28 1998  Andrew Cagney  

        * igen.h (struct igen_warn_options): Add unimplemented option.

        * igen.c (main): Update

        * ld-insn.c (load_insn_table): Report unimplemented functions.

Tue Apr 14 10:57:26 1998  Andrew Cagney  

        * ld-insn.c (parse_insn_word): Treat `!' and `=' as valid

        separator tokens when parsing a conditional.

        * igen.h (main): Add option -S so that suffix can be specified.

Tue Apr 14 08:44:53 1998  Andrew Cagney  

        * igen.h (struct igen_trace_options): Add members insn_expansion

        and insn_insertion.

        * igen.c (main): Add options -Gtrace-insn-expansion,

        -Gtrace-insn-insertion and -Gtrace-all.

        * gen.c (gen_entry_expand_insns): Trace each instruction as it is

        selected for expansion.

        (gen_entry_expand_opcode): Trace each expanded instruction as it

        is inserted into the table.

Mon Apr 13 19:21:47 1998  Andrew Cagney  

        * ld-insn.c (parse_insn_word): Parse conditional operators.

        (parse_insn_word): Verify field conditionals.

        * ld-insn.h: Extend syntax to allow macros and field equality.

        (struct insn_field_cond): Rename insn_field_exclusion, add type.

        * gen.c (gen_entry_expand_opcode): Check type of conditional.

        (insns_bit_useless): Ditto.

        * ld-insn.c (parse_macro_record): New function.

Mon Apr 13 22:37:47 1998  Andrew Cagney  

        * ld-insn.h (enum insn_field_type): Add insn_field_invalid.

        * ld-insn.c (parse_insn_word): Check instruction field type

        correctly initialized.

        (print_insn_words): Ditto.

        (insn_field_type_to_str): Ditto.

        (dump_insn_field): Ditto.

        * gen.c (insns_bit_useless): Ditto.

Fri Apr  3 18:08:16 1998  Andrew Cagney  

        * gen.h, igen.c (print_include_inline, print_includes,

        print_includes): New functions.  Generate include list.  For for

        semantics et.al. generate CPP code to inline when

        C_REVEALS_MODULE_P.

        * igen.c (gen_semantics_c): Call print_includes.

        * gen-engine.c (gen_engine_c): Ditto.

Sat Apr  4 21:09:11 1998  Andrew Cagney  

        * igen.h: (struct _igen_name_option): Replace with struct

        igen_module_option. Contains both module prefix and suffix.

        (INIT_OPTIONS): Initialize.

        * igen.c (main): Update -P option to fill in full module info.

        (gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c,

        gen-support.c): Update.

Sat Apr  4 02:15:35 1998  Andrew Cagney  

        * igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any

        tracing is needed.

Thu Mar 26 20:51:23 1998  Stu Grossman  

        * table.c (table_push):  Redo, using stdio.  Fixes NT native

        problem with => translation...

Tue Mar 24 23:30:07 1998  Andrew Cagney  

        * gen-engine.c (print_run_body): Re-extract the CIA after

        processing any events.

Tue Mar 24 17:46:08 1998  Stu Grossman  

        * Makefile.in:  Get SHELL from configure.

        * configure:  Regenerate with autoconf 2.12.1 to fix shell issues for

        NT native builds.

Mon Mar 16 12:51:31 1998  Andrew Cagney  

        * igen.c: Pass sim_cia to trace_prefix.

Thu Feb 26 19:25:02 1998  Andrew Cagney  

        * ld-insn.c (parse_function_record): Check models are valid.

        (parse_function_record): Only discard function when no model is

        common.

Tue Feb 24 01:42:03 1998  Andrew Cagney  

        * gen-engine.c (print_run_body): Always wrap generated idecode

        body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK.

Fri Feb 20 16:22:10 1998  Andrew Cagney  

        * ld-insn.c (parse_function_record): When -Wnodiscard, suppress

        discarded function warning.

        * igen.c (main): Clarify -Wnodiscard.

        * ld-insn.c (parse_function_record): For functions, allow use of

        instruction style function model records

        * ld-insn.h (nr_function_model_fields): Define.

Tue Feb 17 16:36:27 1998  Andrew Cagney  

        * igen.c (print_itrace_prefix): Generate call to trace_prefix

        instead of trace_one_insn.

        (print_itrace): Generate trace_prefix call if any tracing enabled,

        (print_itrace): Nest generated call to trace_generic inside

        conditional for any tracing enabled.

        (print_itrace_prefix): Do not pass PHASE to trace_prefix.

Tue Feb  3 14:00:32 1998  Andrew Cagney  

        * gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro.

        * gen-icache.c (print_icache_body): Ditto.

        * gen-idecode.c (print_idecode_ifetch): Ditto.

        * gen-icache.c (print_icache_body): Mark successive instruction

        words as unused.

        * ld-insn.c (parse_insn_word): Only report insn-width problems

        when warning enabled.

        * igen.h: Add flag for warning about invalid instruction widths.

        * igen.c: Parse -Wwidth option.

        * gen-support.c (gen_support_h): Map instruction_word onto

        _instruction_word when needed.

        (print_support_function_name): Use support prefix.

        (gen_support_h): Ditto for _idecode_issue.

Sun Feb  1 11:08:48 1998  Andrew Cagney  

        * gen-support.c (gen_support_h): Generate new macro CPU_.

Sat Jan 31 14:50:27 1998  Andrew Cagney  

        * gen-engine.c (gen_engine_h): Don't assume a model is present.

        (gen_engine_c): Ditto.

        * igen.c (gen_run_c): Ditto.

        * gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of

        CPU_CIA.  Parameterize with CPU argument.

Fri Jan 30 09:09:39 1998  Andrew Cagney  

        * gen.h (struct _gen_list): Replace processor with model.

        * igen.c (gen_idecode_h): Update.

        (gen_run_c): For generated switch, use model->full_name.

        * gen.c (print_gen_entry_path): Ditto.

        (make_table):  Ditto.

        (gen_entry_expand_insns):  Ditto.

        (make_gen_tables):  Ditto.

        * igen.c (gen_run_c): Add extra argument `nr_cpus' to generated

        function sim_engine_run.  Pass argument on to engine_run.

        * gen-engine.c (print_engine_run_function_header): Add extra

        argument `nr_cpus' to generated function engine_run.

        (print_run_body): Fix SMP case.

        * gen-support.c (support_c_function): Call sim_engine_abort when

        internal function fails to long jump.

Wed Jan 21 18:00:22 1998  Andrew Cagney  

        * gen-semantics.c (print_semantic_body): Use GPR_SET to zero

        hardwired register.

Wed Dec 17 14:49:03 1997  Jeffrey A Law  (law@cygnus.com)

        * gen-semantics.c (print_semantic_body): Fix handling of

        hardwired zero register.

Tue Dec  9 12:45:00 1997  Andrew Cagney  

        * igen.h (struct _igen_gen_options): Add member default_model.

        * igen.c (gen_run_c): Default to the first machine in the

        multi-sim list.

        (main): Add MODEL parameter to gen-multi-sim option.

        * gen.h (function_decl_type): Declare enum.

        * gen-engine.c (print_engine_run_function_header), gen-engine.h:

        Make global, pass function_decl_type as argument.

        (gen_engine_h, gen_engine_c): Update call.

        * gen-idecode.c (print_idecode_issue_function_header),

        gen-idecode.h: Pass function_decl_type as argument.

        * igen.c (gen_idecode_h): For multi-sim, delcare global variable

        idecode_issue.

        * igen.c (gen_run_c): For multi-sim, initialize globals

        idecode_issue and engine_run.

Fri Nov 14 10:51:44 1997  Andrew Cagney  

        * ld-insn.c (parse_insn_model_record): Allow multiple model names

        to be specified in a single instruction model record.

        (dump_insn_model_entry): Update.

        * ld-insn.h (struct _insn_model_entry): Replace member name with

        the filter names.  Document syntax change.

Wed Nov 12 15:45:40 1997  Andrew Cagney  

        * gen-engine.c (print_run_body): Add hooks for adding code before

        and after an instruction has been issued.

1997-11-04  Brendan Kehoe  

        * gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of

        `#ifdef 0' around this.

Tue Nov  4 08:18:29 1997  Michael Meissner  

        * ld-decode.c (load_decode_table): Don't assume NULL is an integer

        constant.

Wed Oct 29 13:17:17 1997  Andrew Cagney  

        * ld-insn.h: Document mnemonic string format.

Tue Oct 28 10:50:35 1997  Andrew Cagney  

        * gen-icache.c (print_icache_extraction): Force result of atol to

        unsigned.

        * ld-insn.c (parse_function_record): Separate handling of old and

        ney fynction records.

        (load_insn_table): For %s record, hack function name & type after

        it has been parsed.

        * filter.h (filter_is_subset): Reverse argument names, wrong

        order.

        * ld-insn.c (load_insn_table): Move include code to.

        (parse_include_record): New function.  Check for filtering of

        include statement by both flags and models.

        (load_insn_table): Check for model filtering of cache and model

        records.

        (parse_model_data_record): Check for model & flag filtering of

        model data records.

        (parse_function_record): Check for model & flag filtering of

        function records.

        * ld-insn.h: Define record_filter_models_field.  Add filter-models

        field to all but instruction records.

        (struct _function_entry, struct _cache_entry): Add models field.

        (nr_function_fields): Make parm field mandatory.

Mon Oct 27 15:14:26 1997  Andrew Cagney  

        * igen.c (main): Change -I option to -I.  Add optional

        size to -Ggen-icache option.  Add -Gno-... support.

        * igen.h (struct _igen_options): Add include field.

        * ld-insn.c (enum insn_record_type, insn_type_map): Add

        include_record.

        (load_insn_table): Call table_push when include record.

        * table.c (struct _open table, struct table): Make table object an

        indirect ptr to the current table file.

        (current_line, new_table_entry, next_line): Make file arg type

        open_table.

        (table_open): Use table_push.

        (table_read): Point variable file at current table, at eof, pop

        last open table.

        * table.h, table.c (table_push): New function.

Thu Oct 16 11:03:27 1997  Andrew Cagney  

        * gen-semantics.c (print_semantic_body): Use CIA not

        cia.ip. Escape newlines at end of generated call to

        sim_engine_abort.

Tue Oct 14 11:13:27 1997  Andrew Cagney  

        * igen.c (print_itrace): Output line-ref to igen source file when

        generating trace statements.

        (print_itrace_prefix, print_itrace_format): Escape newline at end

        of each line of generated call to trace function.

Mon Oct 13 11:27:31 1997  Andrew Cagney  

        * gen-support.c (gen_support_h): Generate #define NIA. Definition

        dependant on gen-delayed-branch mode.

        * ld-insn.c (parse_insn_mnemonic_record): Check for opening and

        closing double quote in mnemonic field.

        (parse_option_record): Add gen-delayed-branch option.

Wed Oct  8 13:10:16 1997  Andrew Cagney  

        * gen.c (insn_list_insert): Missing \n in warning.

        * ld-insn.c (load_insn_table): Only notify of discarded

        instrctions when warn.discard enabled.

        * igen.h: Add option.warn.discard, default enabled.

        * igen.c (main): Add -Wnodiscard option.

        * ld-insn.c (record_type): For old record type, check the number

        of fields is correct.

        (load_insn_table): Allow insn assembler and insn model records to

        appear in any order.

        (parse_insn_model_record): Rename from parse_insn_model_records.

        Parse only one record.

        (parse_insn_mnemonic_record): Rename from

        parse_insn_mnemonic_records.  Parse only one record.

Tue Sep 23 15:52:06 1997  Felix Lee  

        * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid

        illegal zero-sized array.

        (itable_print_set): likewise, avoid empty initializers.

Mon Sep 22 18:49:07 1997  Felix Lee  

        * configure.in: i386-windows is a cross, so don't expect

        libiberty to be there.

        * configure: updated.

Fri Sep 19 10:36:30 1997  Andrew Cagney  

        * igen.c (print_function_name): Put the format name after the

        function / instruction name, not before.

        (print_itrace): Better format trace code.

Tue Sep 16 11:01:07 1997  Andrew Cagney  

        * gen.c (insns_bit_useless): Don't treat string fields restricted

        to a range of values as useless.

Mon Sep 15 15:47:21 1997  Andrew Cagney  

        * igen.c (gen_run_c): Handle non-multi-sim case.

        * gen-support.c (gen_support_h): Define SD_ - to replace _SD.

        Define CIA from cia.

Thu Sep 11 10:27:39 1997  Andrew Cagney  

        * gen-semantics.c (print_semantic_body): Trace the instruction

        after it has been validated.

        (print_semantic_body): Count the instruction using sim-profile.

Wed Sep 10 13:35:37 1997  Andrew Cagney  

        * gen-itable.c (gen_itable_h): Collect summary info on instruction

        table when traversing it.

        (gen_itable_h): Output an enum defining the max size of each of

        the itable string members.

Tue Sep  9 03:30:26 1997  Andrew Cagney  

        * igen.c (gen_run_c): New function. Generate sim_engine_run that

        looks at the currently selected architecture.

        * gen-engine.c, gen-idecode.c: Add multi-sim support - generate

        one engine per model.

        * gen-semantics.c, gen-icache.c gen-support.c:

        Update.

        * ld-insn.h, ld-insn-h (load_insn_table): Rewrite.  table.h only

        returns a line at a time.  Parse multi-word instructions.  Add

        multi-sim support.

        * table.h, table.c: Simplify.  Only parse a single line at a time.

        ld-insn can handle the rest.

        * filter.h, filter.c (filter_parse, filter_add, filter_is_subset,

        filter_is_common, filter_is_member, filter_next): New filter

        operations.

        (dump_filter): Ditto.

        * gen.h, gen.c: New file.  Takes the insn table and turns it into

        a set of decode tables and semantic functions.

        * ld-insn.c: Copy generator code from here.

        * gen.c: To here.

Fri Aug  8 11:43:45 1997  Andrew Cagney  

        * misc.h (NZALLOC): Allocate an N element array of TYPE.

        * table.h, table.c: Simplify table parser so that it only

        understands colon delimited lines and code blocks.

        (table_read): Parse '{' ... '}' as a code block.

        (table_print_code): New function, print out a code block to file.

        (main): Add suport for standalone testing.

        * ld-insn.h, ld-insn.c:

Mon Sep  1 11:41:12 1997  Andrew Cagney  

        * gen-idecode.c (error_leaf_contains_multiple_insn): Make static.

        (print_jump_definition, print_jump, print_jump_internal_function,

        print_jump_insn, print_jump_until_stop_body): Delete, moved to

        sim-engine.c

        * igen.c (print_itrace_format): Delete unused variable chp.

        (gen-engine.h): Include.

        * table.c (current_file_name, current_line_entry,

        current_line_entry): Make static.

Wed Aug  6 12:31:17 1997  Andrew Cagney  

        * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD,

        RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD.

        * configure.in: Include simulator common/aclocal.m4.

        * configure.in: Add --enable-sim-warnings option.

        * configure: Re-generate.

        * Makefile.in: Use.

        * Makefile.in (tmp-filter): New rule.

        (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn,

        ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies.

        * gen.h, gen.c: New files.

        * Makefile.in (gen.o, tmp-gen): New rules, update all

        dependencies.

Tue Jun 24 11:46:45 1997  Andrew Cagney  

        * ld-insn.c (load_insn_table): Accept %s as a function type.

Thu Jun  5 17:14:32 1997  Andrew Cagney  

        * igen.c (print_itrace_prefix): Move printing of insn prefix to

        here.

        (print_itrace_format): Drop printing of MY_NAME in instruction

        trace.  Printing of insn prefix moved.

        (print_itrace): Ditto.

Fri May 30 11:27:37 1997  Andrew Cagney  

        * gen-icache.c (print_icache_function_header): Pass

        table_line_entry instead of separate file and line.

        * table.c (table_entry_read): Set assembler source file/line-nr to

        the current not initial file.

        (table_entry_read): Fix line numbering of source files.

        table.h (table_line_entry): New structure.  Exactly specifies a

        source file/line-nr.

        (table_*_entry): Add this to all.

        table.c (table_entry_print_cpp_line_nr): Change to use values from

        a table_line_entry struct.

        (table_entry_read): Save table_line_entry in all structures read.

        gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c,

        gen-model.c: Update all references.

Thu May 29 10:29:57 1997  Andrew Cagney  

        * igen.c (print_my_defines): Define MY_NAME - a string.  For

        MY_PREFIX, undefine the name of the function incase some dumb

        header defined it.  it.

        (print_itrace): Use MY_NAME not MY_PREFIX.

        * lf.c (lf_write): New function write an N character buffer to the

        file.

        * igen.c (print_itrace): When available, use the assembler to

        print the insn-trace.

        (print_itrace_prefix): New function, print first part of call to

        print_one_insn.

        (print_itrace_format): New function, print fmt argument for

        print_one_insn.

        * table.c (table_entry_read): Save any assembler lines instead of

        discarding them.

Wed May 28 09:55:29 1997  Andrew Cagney  

        * gen-icache.c (print_icache_body): Process immeds.

        * gen-semantics.c (print_semantic_body): When computing NIA, skip

        any immed words that follow the instruction word.

        * ld-insn.c (parse_insn_format): Parse immeds appended to an

        instruction.

        * igen.c (main): Allow any register to be specified as the zero

        register.

        (semantic_zero_reg): Global, index to zero register.

        * gen-semantics.c (print_semantic_body): Zero selected register.

Tue May 27 14:12:32 1997  Andrew Cagney  

        * igen.h: Stop options and code gen type bit masks overlaping.

Fri May 23 12:01:08 1997  Andrew Cagney  

        * gen-semantics.c (print_semantic_body): Incorrect test for

        zero-r0 code.

Fri May 16 14:32:31 1997  Andrew Cagney  

        * gen-semantics.c (print_semantic_body): Use common sim-engine

        interface.

Fri May 16 11:48:30 1997  Andrew Cagney  

        * gen-semantics.c (print_semantic_body): Add code to clear r0.

        * igen.c (main): Add new option zero-r0, which adds code to clear

        GPR(0) each cycle.

Wed May  7 12:31:30 1997  Andrew Cagney  

        * igen.c (print_itrace): Fix so line-nr is passed to trace

        function.

        * gen-idecode.c (print_idecode_validate): Correct FP code.

        * gen-support.c (gen_support_h): Always pass MY_INDEX to support

        functions.

        (print_support_function_name): Ditto.

Tue May  6 06:12:04 1997  Mike Meissner  

        * igen.c (print_itrace): Call trace_one_insn to trace

        instructions, rather than doing it directly.

Mon May  5 14:11:46 1997  Mike Meissner  

        * gen-engine.c (engine_switch_leaf): Remove extra %s.

        (print_engine_floating_point_unavailable): Wrap in #ifdef

        UNUSED/#endif, until somebody uses it.

        * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused

        variable.

        (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until

        somebody uses it.

        (print_idecode_validate): Use long formats to print long values.

        * gen-semantics.c (print_idecode_invalid): Set name to "unknown"

        if we get an unexpected type.

Fri May  2 13:28:06 1997  Andrew Cagney  

        * igen.c (print_itrace): Pass SD as well as CPU to calls to

        trace_printf.

        * gen-support.c (gen_support_h): Always pass sim_cia cia to

        support functions.

        (print_support_function_name): Ditto.

Wed Apr 30 17:35:51 1997  Andrew Cagney  

        * gen-support.c (support_c_function): Remove unnecessary memset of

        cia.

        * gen-semantics.c (print_semantic_body): Wasn't closing

        generated comment.

Tue Apr 29 11:11:12 1997  Andrew Cagney  

        * ld-insn.c (load_insn_table): Report instructions that do not

        have at least a format and name.

        (insn_table_find_opcode_field): Check progress is being made.

        * gen-support.c (support_c_function): Report empty function body.

Thu Apr 24 11:43:45 1997  Andrew Cagney  

        * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to

        be broken up.

        (insn_table_expand_insns): Allow special rules to apply to groups

        of instructions when all members of the group match the special

        mask/value.

        * gen-semantics.c (print_c_semantic): Ditto.

        * igen.c (print_semantic_function_formal): Ditto.

        (print_semantic_function_type): Ditto.

        * igen.c (print_icache_function_formal): Ditto.

        * gen-idecode.c (print_idecode_issue_function_body): Ditto.

        * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the

        instruction_address type.

        * gen-semantics.c (print_semantic_body): Call cpu_error when an

        unimplemented instruction is encountered - gives the interpreter

        the chance to stop correctly.

Wed Apr 23 20:06:36 1997  Andrew Cagney  

        * igen.c (print_function_name): Allow dot's in instruction names.

Tue Apr 22 21:46:28 1997  Andrew Cagney  

        * igen.c (main), igen.h: Support new option - delayed-branch -

        generate code to drive a delayed branch processor.

        * gen-idecode.c (gen_idecode_h): Define instruction_address type.

        * igen.c (print_icache_function_formal): Replace address_word with

        instruction_address.

        (print_semantic_function_formal): Ditto.

        (print_semantic_function_type): Ditto.

        * gen-idecode.c (print_idecode_issue_function_body): Ditto.

        * gen-semantics.c (print_semantic_body): Ditto.

        (print_c_semantic): Ditto.

        * gen-support.c (support_c_function): Return a zeroed CIA instead

        of just zero - works with any cia type.

        * igen.c (print_itrace): For delayed branch case, print just the

        current instruction.

Thu Apr 17 07:02:33 1997  Doug Evans  

        * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf.

Tue Apr 15 15:20:31 1997  Ian Lance Taylor  

        * Makefile.in (INSTALL): Set to @INSTALL@.

        (INSTALL_XFORM, INSTALL_XFORM1): Remove.

Mon Apr 14 16:29:34 1997  Ian Lance Taylor  

        * Makefile.in (INSTALL): Change install.sh to install-sh.

Wed Apr  2 18:51:20 1997  Doug Evans  

        * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h.

        * gen-idecode.c (gen_idecode_c): Likewise.

        * igen.c (gen_semantics_c): Likewise.

Mon Mar 24 10:10:08 1997  Andrew Cagney  

        * gen-icache.c (print_icache_body): No longer define cpu/sd,

        support.h now defines CPU/SD globally.

        * gen-model.c (gen_model_h): Ditto.

        * gen-idecode.c (print_idecode_issue_function_body): Ditto.

        (print_jump): Ditto.

        (print_jump_until_stop_body): Ditto.

        (print_idecode_validate): Ditto.

        * gen-icache.c (print_icache_body): Ditto.

        * gen-semantics.c (print_semantic_body): Ditto.

        * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu,

        processor to cpu.

        (print_icache_function_formal): Ditto.

        * gen-support.c (print_support_function_name): Include sd/cpu arg

        in support function argument list.

        (support_c_function): Generate code to cpu/sd from sd/cpu.

        (gen_support_h): Define _SD the argument prefix for all support

        functions.  Define SD/CPU to determine sd/cpu from value of _SD

        macro.

Tue Mar 18 15:52:24 1997  Andrew Cagney  

        * gen-support.c (gen_support_c): Update for renaming of engine to

        sim-state.

        * igen.c: Ditto.

        * gen-idecode.c (gen_idecode_c): Ditto.

Mon Mar 17 15:17:07 1997  Andrew Cagney  

        * ld-decode.c (load_decode_table): Rename slash to reserved.

        (dump_decode_rule): Ditto.

        * ld-insn.c (parse_insn_format): Differentiate between a `/' -

        reserved bit - and a `*' - wild card.

        (parse_insn_format): Change is_slash to more informative reserved.

        (dump_insn_field): Ditto.

        (insn_field_is_constant): Ditto.

        (insn_table_expand_opcode): Ditto.

        * gen-idecode.c (print_idecode_validate): Make check_mask and

        check_val the correct integer size.

        (print_idecode_validate): Fix reserved bit check for 64 bit

        targets.

Fri Mar 14 11:24:06 1997  Andrew Cagney  

        * ld-insn.c (parse_insn_format): Accept '*' as an alternative of

        `/' in bit fields.  `/' denotes a wild bit.

Fri Mar  7 18:20:38 1997  Andrew Cagney  

        * igen.h, igen.c (main): New options. Control generation of

        conditional issue and slot verification code.

Fri Mar  7 18:17:25 1997  Andrew Cagney  

        * gen-support.c (print_support_function_name): Prepend the global

        name prefix when applicable.  Provide #define to map the user

        specified name the generated globaly unique one.

Fri Mar  7 18:07:45 1997  Andrew Cagney  

        * gen-idecode.c (print_idecode_validate): Wrap each of the checks

        - reserved bits, floating point and slot validation - with a

        #ifdef so that they are optional.

Fri Mar  7 16:35:13 1997  Andrew Cagney  

        * gen-idecode.c (error_leaf_contains_multiple_insn): New function

        - report the error of a leaf node in the decision tree containing

        several instructions.

        (print_idecode_table_leaf): Detect a leaf with multiple instructions.