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Diffstat (limited to 'sim/igen/ChangeLog')
| -rw-r--r-- | sim/igen/ChangeLog | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/sim/igen/ChangeLog b/sim/igen/ChangeLog new file mode 100644 index 0000000..ccdffeb --- /dev/null +++ b/sim/igen/ChangeLog @@ -0,0 +1,199 @@ +Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com> + + * 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 <cagney@kremvax.cygnus.com> + + * 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 <cagney@kremvax.cygnus.com> + + * 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 <cagney@kremvax.cygnus.com> + + * 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 <cagney@kremvax.cygnus.com> + + * 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. + (print_idecode_switch_leaf): Ditto. + + * gen-semantics.h, gen-semantics.c (print_idecode_illegal, + print_idecode_invalid): Rename former to latter. Add argument so + that one function can generate all invalid instruction cases - + illegal, fp-unavailable, wrong-slot. + * gen-engine.c: Update. + + * gen-idecode.c: Use print_idecode_invalid to generate a function + call for cases when fp-unavailable and the slot is wrong. + + * gen-idecode.c (print_idecode_validate): New check, generate code + to verify that the instruction slot is correct. + + * igen.c (main): Simplify options. + +Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com> + + * igen.c (print_itrace): Remove source line reference for trace + code - let the user see the generated file. + (print_itrace): Print the trace code rather than reference a + macro. + +Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com> + + * igen.c (print_semantic_function_actual): Pass either the + processor - smp - or the engine - mono - into semantic functions. + Don't pass in both. + + * gen-icache.c (print_icache_body): Dependant on smp, derive + processor from engine or engine from processor, and hence ensuring + that both are defined in all semantic functions. + +Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com> + + * ld-insn.c (parse_insn_format): Make the width field optional. + If missing assume that the number of characters in the value + determines the number of bits in the field. + +Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com> + + * ld-insn.c (insn_table_expand_opcode): Replace assertion with + more useful error message. + +Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com> + + * misc.c (error): Output errors on stderr. + + * ld-insn.c (parse_insn_format): Skip any leading spaces. + Verify the width of instructions being parsed. + + * table.c (table_entry_read): Parse CPP's convention for + specifying original file name/line-nr. + +Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com> + + * ld-insn.c (parse_insn_format): Allow trailing spaces in + instruction fields. + + * Makefile.in: Create using ../ppc/Makefile.in as a starting + point. + * configure.in: Ditto vis ../ppc/configure.in + +Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com> + + * gen-support.c (gen_support_c): Always include engine.h instead + of cpu.h + * gen-idecode.c (gen_idecode_c): Ditto. + + * words.h (instruction_word): Remove instruction_word - now + generated by igen. + (address_word): New. Used by igen. + + * lf.c (lf_print_function_type_function): New, pass a function to + print out the type instead of a constant string. + + * igen.h, igen.c (print_semantic_function_formal, + SEMANTIC_FUNCTION_FORMAL): Relace macro with function. + (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto. + (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto. + (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto. + (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto. + (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto. + * gen-idecode.c (print_idecode_table): Update. + (idecode_switch_leaf): Update. + (print_idecode_switch_function_header): Ditto. + (print_idecode_floating_point_unavailable): Ditto. + (print_idecode_issue_function_header): Ditto. + * igen.c (gen_icache_h): Ditto. + * gen-engine.c (print_engine_table): Ditto. + (engine_switch_leaf): Ditto. + * gen-support.c (print_support_function_name): Ditto. + * gen-semantics.c (print_semantic_function_header): Update. + Update. + * gen-icache.c (print_icache_function_header): Update. + (print_icache_function): Update. + (print_icache_internal_function_declaration): Update. + (print_icache_internal_function_definition): Update. + + * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h + files, will at some stage need to move it into support. + + * igen.h, igen.c (main): New option -e <engine> - generate a full + simulation engine. Previously this was the -d <idecode-file> + option. + * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need + to clean these up so that that call upon the updated gen-idecode + code. + + * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to + generating a decode table. + + * Makefile.in (igen): Add dependencies for new gen-engine.* files. + + * igen.h, igen.c (main): New option -M - Control what is returned + by semantic functions - -1/NIA vs CIA+N/NIA. Add + generate_semantic_returning_modified_nia_only to igen_code enum. + * gen-semantics.c (print_semantic_body): As an alternative, make + NIA == -1 instead of CIA+insn_size by default. + + * igen.h, igen.c (main, global_name_prefix, global_uname_prefix): + New option -P <prefix> - Prepend all generated functions with the + specified prefix. + (gen_idecode_c): Adjust. + * gen-icache.c (print_icache_struct): Ditto. + * gen-support.c (gen_support_c): Ditto. + +Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com> + + * igen.c (main): Correct usage. Missleading message about ucase + options dumping internal tables. -F now includes rather then + excludes instructions. + + * misc.h, misc.c (a2i): Make 64bit. + + * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase + max to 64bits, expect trouble. Make the default 32 bits. + * gen-idecode.c (print_idecode_table): Change EXTRACTED* + et.al. macro's to use the insn_bit_size instead of assuming 32 + bits. + * gen-icache.c (print_icache_extraction): Ditto. + * gen-idecode.c (idecode_switch_start): Ditto. + * gen-idecode.c (gen_idecode_c): Ditto + + * igen.h (insn_specifying_widths), igen.c (main): New option -W. + Indicates that the instruction field of the table is specifying + bit widths instead of bit offsets. + * ld-insn.c (parse_insn_format): Parse instruction fields + specifying widths. + + * misc.c (a2i): Allow binary numbers to be specified using the + syntax 0bNNNN. + * ld-insn.c: Allow such numbers to appear in the instruction + format. + + * table.c (table_entry_read): Make // a valid comment character. + (table_entry_read): Skip lines containing a leading " - these may + eventually be used in a disasembler. + +Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com> + + * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c, + gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c, + gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c, + gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h, + ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c, + ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in + from the ../ppc directory. + + * filter_host.c, filter_host.h: Copy in from the ../ppc directory + renaming from filter_filename.[hc] |