2012-10-16 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/53063
PR c/40989
gcc/
* optc-gen.awk: Handle new form of LangEnabledBy.
* opts.c (set_Wstrict_aliasing): Declare here. Make static.
* common.opt (Wstrict-aliasing=,Wstrict-overflow=): Do not use Init.
* doc/options.texi (LangEnabledBy): Document new form.
* flags.h (set_Wstrict_aliasing): Do not declare.
c-family/
* c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
* c-opts.c (c_common_handle_option): Do not set them here. Add
comment.
(c_common_post_options): Likewise.
testsuite/
* gcc.dg/Wstrict-overflow-24.c: New.
From-SVN: r192502
gcc/
* alias.h: Do not include coretypes.h in header files.
* cppbuiltin.h: Likewise.
* double-int.h: Likewise.
* gimple-fold.h: Likewise.
* flags.h: Likewise.
* tree-ssa-alias.h: Likewise.
* gengtype.h (obstack_chunk_alloc, obstack_chunk_free,
OBSTACK_CHUNK_SIZE): Define here to avoid dependency on coretypes.h.
* Makefile.in (RTL_BASE_H): Depend on coretypes.h.
(TREE_H): Likewise.
(ALIAS_H): Do not depend on coretypes.h.
(FLAGS_H): Likewise.
(realmpfr.o): Depend on coretypes.h.
java/
* verify.h: Do not include system.h and coretypes.h here.
* verify-impl.c: Include them here instead.
From-SVN: r189358
* common.opt (in_lto_p): New Variable entry.
* flags.h (in_lto_p): Move to common.opt.
* gcc.c: Include params.h.
(set_option_handlers): Also use common_handle_option and
target_handle_option.
(main): Call global_init_params, finish_params and
init_options_struct.
* opts.c (debug_type_names): Move from toplev.c.
(print_filtered_help): Access quiet_flag through opts pointer.
(common_handle_option): Return early in the driver for some
options. Access in_lto_p, dwarf_version and
warn_maybe_uninitialized through opts pointer.
* toplev.c (in_lto_p): Move to common.opt.
(debug_type_names): Move to opts.c.
* Makefile.in (OBJS): Remove opts.o.
(OBJS-libcommon-target): Add opts.o.
(gcc.o): Update dependencies.
From-SVN: r175591
* common.opt (flag_stack_check): New Variable entry.
(fcompare-debug-second): Use Var.
* flags.h (flag_compare_debug, flag_stack_check): Remove.
* opts.c (flag_compare_debug): Remove.
(common_handle_option): Don't handle OPT_fcompare_debug_second.
Set opts->x_flag_stack_check for OPT_fstack_check_.
* toplev.c (flag_stack_check): Remove.
ada:
* gcc-interface/misc.c (flag_compare_debug, flag_stack_check):
Undefine as macros then define as variables.
(gnat_post_options): Set variables from global_options.
From-SVN: r167331
* common.opt (initial_max_fld_align, flag_debug_asm,
flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
flag_print_asm_name, graph_dump_format, help_printed,
help_columns, flag_opts_finished): New Variable entries.
(fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
frandom-seed=): Mark deferred.
(fsched-verbose=): Use UInteger and Var.
* flags.h (set_struct_debug_option, flag_print_asm_name,
rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
graph_dump_format): Don't declare here.
* haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
* opts-global.c: Include dbgcnt.h and debug.h.
(decode_options): Pass location to finish_options.
(handle_common_deferred_options): Check flag_dump_all_passed.
Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
OPT_frandom_seed and OPT_frandom_seed_. Don't assert on
OPT_fstack_limit.
* opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
(set_struct_debug_option): Add location_t parameter. Update
recursive call. Use error_at.
(default_options_optimization): Use error_at.
(finish_options): Add location_t parameter. Use
opts->x_flag_opts_finished instead of first_time_p. Use
opts->x_optimize instead of optimize. Use error_at. Pass
location to inform.
(print_filtered_help): Use opts->x_help_printed to track what
options have been printed.
(print_specific_help): Use opts->x_help_columns to track number of
columns.
(common_handle_option): Pass locations and gcc_options pointers to
more functions. Use warning_at instead of fnotice and warning.
Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
OPT_fdebug_prefix_map_. Use error_at. Set
opts->x_initial_max_fld_align; don't set maximum_field_alignment.
Don't handle OPT_frandom_seed or OPT_frandom_seed_. Don't handle
OPT_fsched_verbose_.
(handle_param): Add location_r parameter. Use error_at.
(set_debug_level): Add location_r parameter. Use error_at and
warning_at.
(setup_core_dumping): Add diagnostic_context parameter.
(decode_d_option): Add gcc_options, location_t and
diagnostic_context parameters and use them instead of global
state. Use warning_at.
(enable_warning_as_error): Use error_at.
* opts.h (finish_options): Update prototype.
(set_struct_debug_option): Declare here.
* rtl.h (fix_sched_param): Remove.
* stor-layout.c (initial_max_fld_align): Remove.
* toplev.c (rtl_dump_and_exit, flag_print_asm_name,
graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
(process_options): Set maximum_field_alignment.
* tree.h (initial_max_fld_align) Don't declare here.
* Makefile.in (opts.o, opts-global.o): Update dependencies.
c-family:
* c-opts.c (c_common_handle_option): Pass location to
set_struct_debug_option.
testsuite:
* gcc.dg/opts-5.c: New test.
From-SVN: r167106
* common.opt (flag_instrument_functions_exclude_functions,
flag_instrument_functions_exclude_files): New Variable
definitions.
* flags.h (flag_instrument_functions_exclude_p): Don't declare.
* gimplify.c (char_p): Declare type and vectors.
(flag_instrument_functions_exclude_p): Moved from opts.c. Make
static.
* opts.c (flag_instrument_functions_exclude_functions,
flag_instrument_functions_exclude_files): Remove.
(add_comma_separated_to_vector): Take void **.
(flag_instrument_functions_exclude_p): Move to gimplify.c.
(common_handle_option): Use options structure for
-finstrument-functions-exclude- options.
From-SVN: r166943
* flag-types.h: New.
* Makefile.in (TH_H): Include $(OPTIONS_H) instead of $(FLAGS_H).
(FLAGS_H): Include flag-types.h. Include $(OPTIONS_H) instead of
options.h.
(OPTIONS_H): Define.
(c-family/c-opts.o, lto-opts.o, opts.o): Use $(OPTIONS_H) instead
of options.h.
* configure.ac (tm_include_list): Include options.h not flags.h.
* configure: Regenerate.
* flags.h: Include flag-types.h. Include options.h at top of file
again.
(enum debug_info_type, enum debug_info_level, enum
debug_info_usage, enum symbol_visibility, struct visibility_flags,
enum ira_algorithm, enum ira_region, enum excess_precision, enum
graph_dump_types, enum stack_check_type, enum
warn_strict_overflow_code): Move to flag-types.h
* opth-gen.awk: Include flag-types.h in options.h.
ada:
* gcc-interface/Make-lang.in (ada/misc.o): Use $(OPTIONS_H)
instead of options.h.
java:
* Make-lang.in (java/lang.o): Use $(OPTIONS_H) instead of
options.h.
From-SVN: r165362
PR debug/43516
* flags.h (final_insns_dump_p): New extern.
* final.c (final_insns_dump_p): New variable.
(rest_of_clean_state): Set it before -fdump-final-insns=
dumping, clear afterwards.
* print-rtl.c (print_rtx): If final_insns_dump_p don't dump
MEM_ALIAS_SET on MEMs.
From-SVN: r157753
2009-07-17 Richard Guenther <rguenther@suse.de>
PR c/40401
* tree-pass.h (pass_diagnose_omp_blocks): Declare.
(pass_warn_unused_result): Likewise.
(TODO_set_props): Remove.
* omp-low.c (diagnose_omp_structured_block_errors): Change to
run as a pass.
(pass_diagnose_omp_blocks): Define.
* c-decl.c (pop_file_scope): Do not finalize the CU here.
(c_gimple_diagnostics_recursively): Remove.
(finish_function): Do not call it.
(c_write_global_declarations): Continue after errors.
Finalize the CU here.
* c-gimplify.c (c_genericize): Do not gimplify here.
* c-common.c (c_warn_unused_result): Move ...
* tree-cfg.c (do_warn_unused_result): ... here.
(run_warn_unused_result): New function.
(gate_warn_unused_result): New function.
(pass_warn_unused_result): New pass.
* c-common.h (c_warn_unused_result): Remove.
* flags.h (flag_warn_unused_result): Declare.
* c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
* opts.c (flag_warn_unused_result): Initialize to false.
* toplev.c (compile_file): Add comment.
* omp-low.c (create_omp_child_function): Do not register
the function with the frontend.
(diagnose_omp_structured_block_errors): Prepare to be
called as optimization pass.
(gate_diagnose_omp_blocks): New function.
(pass_diagnose_omp_blocks): New pass.
* cgraph.h (cgraph_optimize): Remove.
(cgraph_analyze_function): Likewise.
* cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
* cgraphunit.c (cgraph_lower_function): Lower nested functions
before their parents here.
(cgraph_finalize_function): Not here.
(cgraph_analyze_function): Gimplify functions here.
(cgraph_finalize_compilation_unit): Continue after errors.
Optimize the callgraph from here.
(cgraph_optimize): Make static.
* langhooks.c (write_global_declarations): Finalize the CU.
* gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
(gimplify_function_tree): Assert we gimplify only once.
Set PROP_gimple_any property.
* tree-nested.c (gimplify_all_functions): New function.
(lower_nested_functions): Gimplify all nested functions.
* gimple.h (diagnose_omp_structured_block_errors): Remove.
* passes.c (init_optimization_passes): Add pass_warn_unused_result
and pass_diagnose_omp_blocks after gimplification. Do not
set TODO_set_props on all_lowering_passes.
(execute_one_pass): Do not handle TODO_set_props.
* Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
(gimplify.o): Add tree-pass.h dependency.
* tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
(copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
(unsave_r): Likewise.
* c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
temporary variable.
cp/
* decl.c (finish_function): Do not emit unused result warnings
from here.
* cp-objcp-common.h (LANG_HOOKS_POST_GIMPLIFY_PASS): Use
c_warn_unused_result_pass.
* semantics.c (expand_or_defer_fn): Adjust assertion about IL status.
* optimize.c (clone_body): Clone in GENERIC.
(maybe_clone_body): Do not clear DECL_SAVED_TREE.
* decl2.c (cp_write_global_declarations): Fix body test.
Do not call cgraph_optimize.
* Make-lang.in (optimize.o): Add tree-iterator.h dependency.
* method.c (use_thunk): Register thunk with
cgraph_finalize_function.
* error.c (function_category): Guard access of DECL_LANG_SPECIFIC.
java/
* java-gimplify.c (java_genericize): Do not gimplify here.
But replace all local references.
(java_gimplify_expr): Do not replace local references here.
(java_gimplify_modify_expr): Likewise.
* jcf-parse.c (java_parse_file): Do not finalize the CU or
optimize the cgraph here.
* decl.c (java_replace_reference): Make static.
(java_replace_references): New function.
(end_java_method): Clear base_decl_map.
* java-tree.h (java_replace_references): Declare.
(java_replace_reference): Remove.
ada/
* utils.c (end_subprog_body): Revert to pre-tuples state. Remove
unused parameter.
(gnat_gimplify_function): Do not gimplify here.
Fold into its only caller and remove.
(gnat_builtin_function): Adjust for end_subprog_body signature change.
(gnat_write_global_declarations): Also finalize the CU.
* misc.c (gnat_parse_file): Do not finalize the CU here.
* trans.c (gigi): Revert to pre-tuples state.
(Subprogram_Body_to_gnu): Adjust for end_subprog_body signature
change.
* gigi.h (end_subprog_body): Remove unused parameter.
fortran/
* f95-lang.c (gfc_be_parse_file): Do not finalize the CU here.
* trans-decl.c (gfc_gimplify_function): Remove.
(build_entry_thunks): Do not gimplify here.
(create_main_function): Likewise.
(gfc_generate_function_code): Likewise.
* g++.dg/rtti/crash4.C: New testcase.
* g++.dg/torture/20090706-1.C: Likewise.
* gcc.dg/redecl-17.c: Likewise.
* gfortran.dg/missing_optional_dummy_5.f90: Adjust pattern.
* gcc.dg/declspec-9.c: Expect extra error.
* gcc.dg/declspec-10.c: Likewise.
* gcc.dg/declspec-11.c: Likewise.
* gcc.dg/redecl-10.c: Expect extra warnings.
* gcc.target/i386/pr39082-1.c: Adjust diagnostic location.
* gcc.target/i386/pr39545-1.c: Likewise.
* g++.dg/ext/asm3.C: Expect more errors.
* g++.dg/gomp/block-1.C: Likewise.
* g++.dg/gomp/block-2.C: Likewise.
* g++.dg/gomp/block-3.C: Likewise.
* g++.dg/gomp/block-5.C: Likewise.
* g++.old-deja/g++.jason/report.C: Expect extra warnings.
* g++.dg/warn/unused-result1.C: XFAIL.
From-SVN: r149750
PR rtl-optimization/323
* c-common.c (c_fully_fold, convert_and_check,
c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
(c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
* c-common.def (EXCESS_PRECISION_EXPR): New.
* c-cppbuiltin.c (builtin_define_float_constants): Define
constants with enough digits for long double.
* c-lex.c (interpret_float): Interpret constant with excess
precision where appropriate.
* c-opts.c (c_common_post_options): Set
flag_excess_precision_cmdline. Give an error for
-fexcess-precision=standard for C++ for processors where the
option is significant.
* c-parser.c (c_parser_conditional_expression): Handle excess
precision in condition.
* c-typeck.c (convert_arguments): Handle arguments with excess
precision.
(build_unary_op): Move excess precision outside operation.
(build_conditional_expr): Likewise.
(build_compound_expr): Likewise.
(build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
(build_modify_expr): Handle excess precision in RHS.
(convert_for_assignment): Handle excess precision in converted
value.
(digest_init, output_init_element, process_init_element): Handle
excess precision in initializer.
(c_finish_return): Handle excess precision in return value.
(build_binary_op): Handle excess precision in operands and add
excess precision as needed for operation.
* common.opt (-fexcess-precision=): New option.
* config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
* config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
For standard excess precision, output explicit conversion to and
truncation from XFmode.
(*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
*float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
*fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
*fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
define_splits, sqrt<mode>2): Disable where appropriate for
standard excess precision.
* convert.c (convert_to_real): Do not shorten arithmetic to type
for which excess precision would be used.
* defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
* doc/invoke.texi (-fexcess-precision=): Document option.
(-mfpmath=): Correct index entry.
* flags.h (enum excess_precision, flag_excess_precision_cmdline,
flag_excess_precision): New.
* langhooks.c (lhd_post_options): Set
flag_excess_precision_cmdline.
* opts.c (common_handle_option): Handle -fexcess-precision=.
* toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
init_excess_precision): New.
(lang_dependent_init_target): Call init_excess_precision.
* tree.c (excess_precision_type): New.
* tree.h (excess_precision_type): Declare.
ada:
* gcc-interface/misc.c (gnat_post_options): Set
flag_excess_precision_cmdline. Give an error for
-fexcess-precision=standard for processors where the option is
significant.
fortran:
* options.c (gfc_post_options): Set
flag_excess_precision_cmdline. Give an error for
-fexcess-precision=standard for processors where the option is
significant.
java:
* lang.c (java_post_options): Set flag_excess_precision_cmdline.
Give an error for -fexcess-precision=standard for processors where
the option is significant.
testsuite:
* gcc.target/i386/excess-precision-1.c,
gcc.target/i386/excess-precision-2.c,
gcc.target/i386/excess-precision-3.c,
gcc.target/i386/excess-precision-4.c,
gcc.target/i386/excess-precision-5.c,
gcc.target/i386/excess-precision-6.c: New tests.
From-SVN: r145272
2008-12-09 Vladimir Makarov <vmakarov@redhat.com>
* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
* doc/invoke.texi (-fira-region): Describe new option.
(-fira-algorithm): Change the values.
* ira-conflicts.c (build_conflict_bit_table,
build_allocno_conflicts): Use ira_reg_classes_intersect_p.
(ira_build_conflicts): Use flag flag_ira_region instead of
flag_ira_algorithm. Prohibit usage of callee-saved likely spilled
base registers for allocnos crossing calls.
* flags.h (enum ira_algorithm): Redefine.
(enum ira_region): New.
(flag_ira_region): New.
* cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region
instead of flag_ira_algorithm.
* toplev.c (flag_ira_algorithm): Change the initial value.
(flag_ira_region): New.
* ira-int.h (ira_reg_classes_intersect_p,
ira_reg_class_super_classes): New.
* ira-color.c (update_copy_costs): Use
ira_reg_classes_intersect_p. Use right class to find hard reg
index.
(update_conflict_hard_regno_costs): Ditto. Add a new parameter.
(assign_hard_reg): Ditto. Pass additional argument to
update_conflict_hard_regno_costs. Do not uncoalesce for priority
coloring.
(allocno_priorities, setup_allocno_priorities,
allocno_priority_compare_func): Move before color_allocnos.
(color_allocnos): Add priority coloring. Use flag flag_ira_region
instead of flag_ira_algorithm.
(move_spill_restore): Check classes of the same reg allocno from
different regions.
(update_curr_costs): Use ira_reg_classes_intersect_p.
(ira_reassign_conflict_allocnos): Ditto.
* opts.c (decode_options): Always set up flag_ira. Set up
flag_ira_algorithm. Warn CB can not be used for architecture.
(common_handle_option): Modify code for -fira-algorithm. Add code
to process -fira-region.
* ira-lives.c (update_allocno_pressure_excess_length): Process
superclasses too.
(set_allocno_live, clear_allocno_live, mark_reg_live,
mark_reg_dead, process_bb_node_lives): Ditto.
* ira-emit.c (ira_emit): Fix insn codes.
* ira-build.c (propagate_allocno_info): Use flag flag_ira_region
instead of flag_ira_algorithm.
(allocno_range_compare_func): Ignore classes for priority
coloring.
(setup_min_max_conflict_allocno_ids): Ditto.
(ira_flattening): Use ira_reg_classes_intersect_p.
* genpreds.c (write_enum_constraint_num): Output
CONSTRAINT__LIMIT.
* common.opt (fira-algorithm): Modify.
(fira-region): New.
* ira.c (setup_class_hard_regs): Initialize.
(setup_cover_and_important_classes): Modify code setting class
related info for priority coloring.
(setup_class_translate): Ditto.
(ira_reg_classes_intersect_p, ira_reg_class_super_classes): New.
(setup_reg_class_intersect_union): Rename to
setup_reg_class_relations. Add code for setting up new variables.
(find_reg_class_closure): Do not check targetm.ira_cover_classes.
(ira): Use flag flag_ira_region instead of flag_ira_algorithm.
* ira-costs.c (common_classes): New.
(print_costs): Use flag flag_ira_region instead of
flag_ira_algorithm.
(find_allocno_class_costs): Ditto. Use common_classes. Translate
alt_class.
(ira_costs): Allocate/deallocate common_classes.
* config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19.
(REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for
R02A_REGS.
* reload1.c (choose_reload_regs): Use MODE_INT for partial ints in
smallest_mode_for_size.
From-SVN: r142610
2008-08-31 Andrey Belevantsev <abel@ispras.ru>
Dmitry Melnik <dm@ispras.ru>
Dmitry Zhurikhin <zhur@ispras.ru>
Alexander Monakov <amonakov@ispras.ru>
Maxim Kuvyrkov <maxim@codesourcery.com>
* sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
sel-sched-dump.c, sel-sched-ir.c: New files.
* Makefile.in (OBJS-common): Add selective scheduling object
files.
(sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
(SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
(sched-vis.o): Add dependency on $(INSN_ATTR_H).
* cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
* cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
(make_forwarder_block): Update loop latch if we have redirected
the loop latch edge.
* cfgloop.c (get_loop_body_in_custom_order): New function.
* cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
(CP_FALLTHRU_PREHEADERS): Likewise.
(get_loop_body_in_custom_order): Declare.
* cfgloopmanip.c (has_preds_from_loop): New.
(create_preheader): Honor CP_FALLTHRU_PREHEADERS.
Assert that the preheader edge will be fall thru when it is set.
* common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
fsel-sched-substitution, fselective-scheduling): New flags.
* cse.c (hash_rtx_cb): New.
(hash_rtx): Use it.
* dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
sel_sched_insn_cnt): New counters.
* final.c (compute_alignments): Export. Free dominance info after loop_optimizer_finalize.
* genattr.c (main): Output maximal_insn_latency prototype.
* genautomata.c (output_default_latencies): New. Factor its code from ...
(output_internal_insn_latency_func): ... here.
(output_internal_maximal_insn_latency_func): New.
(output_maximal_insn_latency_func): New.
* hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
(struct hard_reg_set_iterator): New.
(hard_reg_set_iter_init, hard_reg_set_iter_set,
hard_reg_set_iter_next): New functions.
(EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
* lists.c (remove_free_INSN_LIST_node,
remove_free_EXPR_LIST_node): New functions.
* loop-init.c (loop_optimizer_init): When LOOPS_HAVE_FALLTHRU_PREHEADERS,
set CP_FALLTHRU_PREHEADERS when calling create_preheaders.
(loop_optimizer_finalize): Do not verify flow info after reload.
* recog.c (validate_replace_rtx_1): New parameter simplify.
Default it to true. Update all uses. Factor out simplifying
code to ...
(simplify_while_replacing): ... this new function.
(validate_replace_rtx_part,
validate_replace_rtx_part_nosimplify): New.
* recog.h (validate_replace_rtx_part,
validate_replace_rtx_part_nosimplify): Declare.
* rtl.c (rtx_equal_p_cb): New.
(rtx_equal_p): Use it.
* rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
(remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
debug_bb_n_slim, debug_bb_slim, print_rtl_slim): Likewise.
* vecprim.h: Add a vector type for unsigned int.
* haifa-sched.c: Include vecprim.h and cfgloop.h.
(issue_rate, sched_verbose_param, note_list, dfa_state_size,
ready_try, cycle_issued_insns, spec_info): Make global.
(readyp): Initialize.
(dfa_lookahead): New global variable.
(old_max_uid, old_last_basic_block): Remove.
(h_i_d): Make it a vector.
(INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
through HID macro.
(after_recovery, adding_bb_to_current_region_p):
New variables to handle correct insertion of the recovery code.
(struct ready_list): Move declaration to sched-int.h.
(rgn_n_insns): Removed.
(rtx_vec_t): Move to sched-int.h.
(find_insn_reg_weight): Remove.
(find_insn_reg_weight1): Rename to find_insn_reg_weight.
(haifa_init_h_i_d, haifa_finish_h_i_d):
New functions to initialize / finalize haifa instruction data.
(extend_h_i_d, init_h_i_d): Rewrite.
(unlink_other_notes): Move logic to add_to_note_list. Handle
selective scheduler.
(ready_lastpos, ready_element, ready_sort, reemit_notes,
find_fallthru_edge): Make global, remove static prototypes.
(max_issue): Make global. Add privileged_n and state parameters. Use
them.
(extend_global, extend_all): Removed.
(init_before_recovery): Add new param. Fix the handling of the case
when we insert a recovery code before the EXIT which has a predecessor
with a fallthrough edge to it.
(create_recovery_block): Make global. Rename to
sched_create_recovery_block. Update.
(change_pattern): Rename to sched_change_pattern. Make global.
(speculate_insn): Rename to sched_speculate_insn. Make global.
Split haifa-specific functionality into ...
(haifa_change_pattern): New static function.
(sched_extend_bb): New static function.
(sched_init_bbs): New function.
(current_sched_info): Change type to struct haifa_sched_info.
(insn_cost): Adjust for selective scheduling.
(dep_cost_1): New function. Move logic from ...
(dep_cost): ... here.
(dep_cost): Use dep_cost_1.
(contributes_to_priority_p): Use sched_deps_info instead of
current_sched_info.
(priority): Adjust to work with selective scheduling. Process the
corner case when all dependencies don't contribute to priority.
(rank_for_schedule): Use ds_weak instead of dep_weak.
(advance_state): New function. Move logic from ...
(advance_one_cycle): ... here.
(add_to_note_list, concat_note_lists): New functions.
(rm_other_notes): Make static. Adjust for selective scheduling.
(remove_notes, restore_other_notes): New functions.
(move_insn): Add two arguments. Update assert. Don't call
reemit_notes.
(choose_ready): Remove lookahead variable, use dfa_lookahead.
Remove more_issue, max_points. Move the code to initialize
max_lookahead_tries to max_issue.
(schedule_block): Remove rgn_n_insns1 parameter. Don't allocate
ready. Adjust use of move_insn. Call restore_other_notes.
(luid): Remove.
(sched_init, sched_finish): Move Haifa-specific initialization/
finalization to ...
(haifa_sched_init, haifa_sched_finish): ... respectively.
New functions.
(setup_sched_dump): New function.
(haifa_init_only_bb): New static function.
(haifa_speculate_insn): New static function.
(try_ready): Use haifa_* instead of speculate_insn and
change_pattern.
(extend_ready, extend_all): Remove.
(sched_extend_ready_list, sched_finish_ready_list): New functions.
(create_check_block_twin, add_to_speculative_block): Use
haifa_insns_init instead of extend_global. Update to use new
initialization functions. Change parameter. Factor out code from
create_check_block_twin to ...
(sched_create_recovery_edges) ... this new function.
(add_block): Remove.
(sched_scan_info): New.
(extend_bb): Use sched_scan_info.
(init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
static functions for walking through scheduling region.
(sched_luids): New vector variable to replace uid_to_luid.
(luids_extend_insn): New function.
(sched_max_luid): New variable.
(luids_init_insn): New function.
(sched_init_luids, sched_finish_luids): New functions.
(insn_luid): New debug function.
(sched_extend_target): New function.
(haifa_init_insn): New static function.
(sched_init_only_bb): New hook.
(sched_split_block): New hook.
(sched_split_block_1): New function.
(sched_create_empty_bb): New hook.
(sched_create_empty_bb_1): New function.
(common_sched_info, ready): New global variables.
(current_sched_info_var): Remove.
(move_block_after_check): Use common_sched_info.
(haifa_luid_for_non_insn): New static function.
(init_before_recovery): Use haifa_init_only_bb instead of
add_block.
(increase_insn_priority): New.
* modulo-sched.c: (issue_rate): Remove static declaration.
(sms_sched_info): Change type to haifa_sched_info.
(sms_sched_deps_info, sms_common_sched_info): New variables.
(setup_sched_infos): New.
(sms_schedule): Initialize them. Call haifa_sched_init/finish.
Do not call regstat_free_calls_crossed.
(sms_print_insn): Use const_rtx.
* params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
PARAM_SCHED_MEM_TRUE_DEP_COST): New.
* sched-deps.c (sched_deps_info): New. Update all relevant uses of
current_sched_info to use it.
(enum reg_pending_barrier_mode): Move to sched-int.h.
(h_d_i_d): New variable. Initialize to NULL.
({true, output, anti, spec, forward}_dependency_cache): Initialize
to NULL.
(estimate_dep_weak): Remove static declaration.
(sched_has_condition_p): New function. Adjust users of
sched_get_condition to use it instead.
(conditions_mutex_p): Add arguments indicating which conditions are
reversed. Use them.
(sched_get_condition_with_rev): Rename from sched_get_condition. Add
argument to indicate whether returned condition is reversed. Do not
generate new rtx when condition should be reversed; indicate it by
setting new argument instead.
(add_dependence_list_and_free): Add deps parameter.
Update all users. Do not free dependence list when
deps context is readonly.
(add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
contexts.
(remove_from_dependence_list, remove_from_both_dependence_lists): New.
(remove_from_deps): New. Use the above functions.
(cur_insn, can_start_lhs_rhs_p): New static variables.
(add_or_update_back_dep_1): Initialize present_dep_type.
(haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
haifa_note_dep): New functions implementing dependence hooks for
the Haifa scheduler.
(note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
note_dep): New functions.
(ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
functions.
(init_deps): Initialize last_reg_pending_barrier and deps->readonly.
(free_deps): Initialize deps->reg_last.
(sched_analyze_reg, sched_analyze_1, sched_analyze_2,
sched_analyze_insn): Update to use dependency hooks infrastructure
and readonly contexts.
(deps_analyze_insn): New function. Move part of logic from ...
(sched_analyze): ... here. Also move some logic to ...
(deps_start_bb): ... here. New function.
(add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
sel_sched_p.
(sched_deps_init): New function. Move code from ...
(init_dependency_caches): ... here. Remove.
(init_deps_data_vector): New.
(sched_deps_finish): New function. Move code from ...
(free_dependency_caches): ... here. Remove.
(init_deps_global, finish_deps_global): Adjust for use with
selective scheduling.
(get_dep_weak): Move logic to ...
(get_dep_weak_1): New function.
(ds_merge): Move logic to ...
(ds_merge_1): New static function.
(ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
(ds_get_max_dep_weak): New function.
* sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
(n_insns): Rename to rgn_n_insns.
(debug_ebb_dependencies): New function.
(init_ready_list): Use it.
(begin_schedule_ready): Use sched_init_only_bb.
(ebb_print_insn): Indicate when an insn starts a new cycle.
(contributes_to_priority, compute_jump_reg_dependencies,
add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
(add_block1): Remove to ebb_add_block.
(ebb_sched_deps_info, ebb_common_sched_info): New variables.
(schedule_ebb): Initialize them. Use remove_notes instead of
rm_other_notes. Use haifa_local_init/finish.
(schedule_ebbs): Use haifa_sched_init/finish.
* sched-int.h: Include vecprim.h, remove rtl.h.
(struct ready_list): Delete declaration.
(sched_verbose_param, enum sched_pass_id_t,
bb_vec_t, insn_vec_t, rtx_vec_t): New.
(struct sched_scan_info_def): New structure.
(sched_scan_info, sched_scan, sched_init_bbs,
sched_init_luids, sched_finish_luids, sched_extend_target,
haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
(struct common_sched_info_def): New.
(common_sched_info, haifa_common_sched_info,
sched_emulate_haifa_p): Declare.
(sel_sched_p): New.
(sched_luids): Declare.
(INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
(sched_max_luid, insn_luid): Declare.
(note_list, remove_notes, restore_other_notes, bb_note): Declare.
(sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
print_insn, print_pattern, print_value, haifa_classify_insn,
sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
setup_sched_dump, sched_init, sched_finish,
sel_insn_is_speculation_check): Export.
(struct ready_list): Move from haifa-sched.c.
(ready_try, ready, max_issue): Export.
(ebb_compute_jump_reg_dependencies, find_fallthru_edge,
sched_init_only_bb, sched_split_block, sched_split_block_1,
sched_create_empty_bb, sched_create_empty_bb_1,
sched_create_recovery_block, sched_create_recovery_edges): Export.
(enum reg_pending_barrier_mode): Export.
(struct deps): New fields `last_reg_pending_barrier' and `readonly'.
(deps_t): New.
(struct sched_info): Rename to haifa_sched_info. Use const_rtx for
print_insn field. Move add_block and fix_recovery_cfg to
common_sched_info_def. Move compute_jump_reg_dependencies, use_cselib ...
(struct sched_deps_info_def): ... this new structure.
(sched_deps_info): Declare.
(struct spec_info_def): Remove weakness_cutoff, add
data_weakness_cutoff and control_weakness_cutoff.
(spec_info): Declare.
(struct _haifa_deps_insn_data): Split from haifa_insn_data. Add
dep_count field.
(struct haifa_insn_data): Rename to struct _haifa_insn_data.
(haifa_insn_data_def, haifa_insn_data_t): New typedefs.
(current_sched_info): Change type to struct haifa_sched_info.
(haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
(h_d_i_d): New variable.
(HDID): New accessor macro.
(h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
(HID): New accessor macro. Rewrite h_i_d accessor macros through HID
and HDID.
(IS_SPECULATION_CHECK_P): Update for selective scheduler.
(enum SCHED_FLAGS): Update for selective scheduler.
(enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
(init_dependency_caches, free_dependency_caches): Delete declarations.
(deps_analyze_insn, remove_from_deps, get_dep_weak_1,
estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
ds_to_dt): Export.
(rm_other_notes): Delete declaration.
(schedule_block): Remove one argument.
(cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
ready_element, ready_lastpos, sched_extend_ready_list,
sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
concat_note_lists): Export.
(struct region): Move from sched-rgn.h.
(nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
BLOCK_TO_BB, CONTAINING_RGN): Export.
(ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
(current_nr_blocks, current_blocks, target_bb): Likewise.
(dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
sched_rgn_local_init, extend_regions,
rgn_make_new_region_out_of_new_block, compute_priorities,
debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
extend_rgns, deps_join rgn_setup_common_sched_info,
rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
(get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
increase_insn_priority): Likewise.
* sched-rgn.c: Include sel-sched.h.
(ref_counts): New static variable. Use it ...
(INSN_REF_COUNT): ... here. Rewrite and move closer to uses.
(FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
(sched_is_disabled_for_current_region_p): Delete static declaration.
(struct region): Move to sched-int.h.
(nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
ebb_head): Define and initialize.
(RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
sched-int.h.
(find_single_block_region): Add new argument to indicate that EBB
regions should be constructed.
(debug_live): Delete declaration.
(current_nr_blocks, current_blocks, target_bb): Remove static qualifiers.
(compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
declaration.
(init_regions): Delete declaration.
(debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
rgn_estimate_number_of_insns): New.
(too_large): Use estimate_number_of_insns.
(haifa_find_rgns): New. Move the code from ...
(find_rgns): ... here. Call either sel_find_rgns or haifa_find_rgns.
(free_trg_info): New.
(compute_trg_info): Allocate candidate tables here instead of ...
(init_ready_list): ... here.
(rgn_print_insn): Use const_rtx.
(contributes_to_priority, extend_regions): Delete static declaration.
(add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
(add_block1): Rename to rgn_add_block.
(debug_rgn_dependencies): Delete static qualifier.
(new_ready): Use sched_deps_info. Simplify.
(rgn_common_sched_info, rgn_const_sched_deps_info,
rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): New.
(region_sched_info): Rename to rgn_const_sched_info.
(deps_join): New, extracted from ...
(propagate_deps): ... here.
(compute_block_dependences, debug_dependencies): Update for selective
scheduling.
(free_rgn_deps, compute_priorities): New functions.
(sched_rgn_init, sched_rgn_finish, rgn_setup_region,
sched_rgn_compute_dependencies): New functions.
(schedule_region): Use them.
(sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
rgn_setup_common_sched_info, rgn_setup_sched_infos):
New functions.
(schedule_insns): Call new functions that were split out.
(rgn_make_new_region_out_of_new_block): New.
(get_rgn_sched_max_insns_priority): New.
(rest_of_handle_sched, rest_of_handle_sched2): Call selective
scheduling when appropriate.
* sched-vis.c: Include insn-attr.h.
(print_value, print_pattern): Make global.
(print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
* target-def.h (TARGET_SCHED_ADJUST_COST_2,
TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
hooks. Initialize them to 0.
(TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
* target.h (struct gcc_target): Add them. Rename gen_check field to
gen_spec_check.
* flags.h (sel_sched_switch_set): Declare.
* opts.c (sel_sched_switch_set): New variable.
(decode_options): Unset flag_sel_sched_pipelining_outer_loops if
pipelining is disabled from command line.
(common_handle_option): Record whether selective scheduling is
requested from command line.
* doc/invoke.texi: Document new flags and parameters.
* doc/tm.texi: Document new target hooks.
* config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to ia64_gen_check.
(dfa_state_size): Do not declare locally.
* config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
* config/rs6000/rs6000.c (rs6000_init_sched_context,
rs6000_alloc_sched_context, rs6000_set_sched_context,
rs6000_free_sched_context): New functions.
(struct _rs6000_sched_context): New.
(rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
scheduling.
(rs6000_sched_finish): Do not run for selective scheduling.
Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>
Co-Authored-By: Dmitry Melnik <dm@ispras.ru>
Co-Authored-By: Dmitry Zhurikhin <zhur@ispras.ru>
Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>
From-SVN: r139854
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
PR ada/20548
* common.opt (-fstack-check): Do not declare the variable here.
(-fstack-check=): New option variant.
* doc/invoke.texi (Code Gen Options): Document it.
* expr.h (STACK_OLD_CHECK_PROTECT): New macro.
(STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
(STACK_CHECK_STATIC_BUILTIN): New macro.
* doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
* opts.c: Include expr.h.
(common_handle_option) <OPT_fold_stack_check_>: New case.
<OPT_fstack_check>: Likewise.
* calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
consistently in the test for variable-sized types. Adjust for
new behaviour of flag_stack_check.
* explow.c: Include except.h.
(allocate_dynamic_stack_space): Do not take into account
STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
* function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
for variable-sized parameters. Treat all parameters whose size is
greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
stack checking is enabled.
* gimplify.c (gimplify_decl_expr): Treat non-static objects whose
size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
if generic stack checking is enabled.
(expand_function_end): Adjust for new behaviour of flag_stack_check.
* reload1.c (reload): Likewise.
* stmt.c (expand_decl): Assert that all automatic variables have
fixed size at this point and remove dead code.
* flags.h (stack_check_type): New enumeration type.
(flag_stack_check): Declare.
* toplev.c (flag_stack_check): New global variable.
* Makefile.in (opts.o): Add dependency on EXPR_H.
(explow.o): Add dependency on except.h.
ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Use DECL_SIZE_UNIT in the
setjmp test consistently. Adjust for new behaviour of flag_stack_check.
* gcc-interface/utils2.c (build_call_alloc_dealloc): Remove redundant
test of flag_stack_check. Adjust for new behaviour of flag_stack_check.
From-SVN: r139159
2008-07-09 Raksit Ashok <raksit@google.com>
* doc/invoke.texi (Option Summary): Mention new option
-Wdisallowed-function-list=...
(Warning Options): Document -Wdisallowed-function-list=...
* common.opt (Wdisallowed-function-list=): New flag.
* flags.h (warn_disallowed_functions): External definition of new
boolean warning flag.
(warn_if_disallowed_function_p): Declare new function.
* opts.c (warning_disallowed_functions): New static variable.
(warn_disallowed_functions): New boolean warning flag.
(warn_if_disallowed_function_p): New function.
(add_comma_separated_to_vector): Rename
add_instrument_functions_exclude_list to this.
(common_handle_option): Handle new option. Rename calls to
add_instrument_functions_exclude_list into calls to
add_comma_separated_to_vector.
* c-parser.c (c_parser_postfix_expression_after_primary): New warning
based on flag warn_disallowed_functions.
gcc/cp/ChangeLog
2008-07-09 Raksit Ashok <raksit@google.com>
* parser.c (cp_parser_postfix_expression): New warning based on flag
warn_disallowed_functions.
gcc/testsuite/ChangeLog
2008-07-09 Raksit Ashok <raksit@google.com>
* gcc.dg/wdisallowed-functions-1.c: New test.
* gcc.dg/wdisallowed-functions-2.c: New test.
* g++.dg/warn/Wdisallowed-functions-1.C: New test.
* g++.dg/warn/Wdisallowed-functions-2.C: New test.
From-SVN: r137655