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Author SHA1 Message Date
Jan Hubicka
6039a0c74a tree-pass.h (pass_purge_lineno_notes): Remove declaration. 
* tree-pass.h (pass_purge_lineno_notes): Remove declaration.
	* modulo-sched.c (find_line_note): Remove.
	(loop_canon_p): Do not worry about line number notes.
	(sms_schedule): Likewise.
	* cse.c (cse_main): Likewise.
	* regmove.c (fixup_match_1): Likewise
	* function.c (emit_return_info_block): Likewise.
	(expand_function_end): Likewise.
	(thread_prologue_an_epilogue_insns): Likewise.
	* cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
	Likewise.
	* emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
	emit_note_copy_after): Kill.
	(emit_note_copy): Do not worry about line numbers.
	* jump.c (purge_line_number_notes): Kill.
	(pass_purge_lineno_notes): Kill.
	* cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
	call.
	* rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
	* passes.c (init_optimization_passes): Don't purge_lineno_notes.
	* sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
	* tree-pass.h (pass_purge_lineno_notes): Kill.
	* sched-ebb.c (schedule_ebb): Don't rm_line_notes,
	rm_redundant_line_notes.
	* sched-rgb.c (schedule_region): Don't rm_line_notes,
	rm_redundant_line_notes.
	* sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
	* haifa-sched.c: Update comment about handling notes.
 	(unlink_line_notes): Kill.
	(rm_line_notes): Kill.
	(save_line_notes): Simplify.
	(rm_redundant_line_notes): Kill.

From-SVN: r118693
 2006-11-11 15:50:16 +00:00
Jan Hubicka
3e916873cb cse.c (cse_process_notes): Copy the propagated value. 
* cse.c (cse_process_notes): Copy the propagated value.
	* local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
	in REG_EQUIV notes.
	* gcse.c (try_replace_reg): Copy the replacement.
	* i386.c (emit_i387_cw_initialization): Copy stored_mode
	(assign_386_stack_local): Always return copied memory expression
	* function.c (instantiate_virtual_regs_in_insn): Copy the operand
	duplicates.

From-SVN: r118665
 2006-11-10 21:42:04 +00:00
Paolo Bonzini
a52b023a5f fwprop.c: New file. 
2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
            Steven Bosscher  <stevenb.gcc@gmail.com>

        * fwprop.c: New file.
        * Makefile.in: Add fwprop.o.
        * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
        * passes.c (init_optimization_passes): Schedule forward propagation.
        * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
        parameter.
        * timevar.def (TV_FWPROP): New.
        * common.opt (-fforward-propagate): New.
        * opts.c (decode_options): Enable forward propagation at -O2.
        * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
        * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
        canon_for_address, table_size): Remove.
        (new_basic_block, insert, remove_from_table): Remove references to
        table_size.
        (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
        simplification loop more straightforward by not calling fold_rtx
        recursively.
        (equiv_constant): Move here a small part of fold_rtx_subreg,
        do not call fold_rtx.  Call avoid_constant_pool_reference
        to process MEMs.
        * recog.c (canonicalize_change_group): New.
        * recog.h (canonicalize_change_group): New.

        * doc/invoke.texi (Optimization Options): Document fwprop.
        * doc/passes.texi (RTL passes): Document fwprop.


Co-Authored-By: Steven Bosscher <stevenb.gcc@gmail.com>

From-SVN: r118475
 2006-11-04 08:36:45 +00:00
Eric Botcazou
5bb51e1d55 re PR rtl-optimization/27616 (Infinite loop at -O1 and above in RTL CSE) 
PR rtl-optimization/27616
	* cse.c (table_size): New static variable.
	(new_basic_block): Initialize it to 0.
	(remove_from_table): Decrement it.
	(insert): Increment it.
	(fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
	(fold_rtx_mem): Enforce a cap on the recursion depth.  Call
	fold_rtx_mem_1 if under the cap.
	(fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
	the lookup of the equivalent expression and test for equality of the
	first operand of the equivalent expression before in turn looking up
	an equivalent constant for the second operand.

From-SVN: r116683
 2006-09-04 19:33:24 +00:00
John David Anglin
824a4527c1 re PR rtl-optimization/26244 (FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution, -O3 -fomit-frame-pointer -funroll-loops) 
PR rtl-optimization/26244
	* cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
	inner_const are negative or greater than or equal to the bitsize of
	MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
	Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
	Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
	CONST0_RTX (mode) when the new shift count is greater than or equal to
	to the bitsize of the object being shifted and XEXP (y, 0) has no side
	effects.


Co-Authored-By: Roger Sayle <roger@eyesopen.com>

From-SVN: r115924
 2006-08-04 14:15:37 +00:00
Paul Brook
e67b81d140 Comment typo in previous patch. 
From-SVN: r115619
 2006-07-20 14:20:26 +00:00
Paul Brook
05c433f35a re PR target/27363 (ARM gcc 4.1 optimization bug) 
2006-07-20  Paul Brook  <paul@codesourcery.com>

	PR 27363
	gcc/
	* cse.c (cse_insn): Add destination addresses to hash table. Check if
	they are invalidated by this instruction.

	gcc/testsuite/
	* gcc.dg/pr27363.c: New test.

From-SVN: r115614
 2006-07-20 13:57:31 +00:00
Steven Bosscher
524e3576e6 cse.c (flush_hash_table): Use VOIDmode to invalidate a REG. 
* cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
        (cse_insn): Likewise for the stack_pointer_rtx.

From-SVN: r114492
 2006-06-08 19:22:07 +00:00
Andreas Krebbel
67e0a632e6 cse.c (validate_canon_reg, cse_insn): Don't change insns without calling recog. 
2006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cse.c (validate_canon_reg, cse_insn): Don't change insns without
	calling recog.

From-SVN: r114241
 2006-05-30 16:54:08 +00:00
Zdenek Dvorak
79b9dd8ccf cse.c (cse_end_of_basic_block): Do not check for LOOP_END note. 
* cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.

From-SVN: r112317
 2006-03-23 10:45:09 +00:00
Zdenek Dvorak
5999416070 cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg cleanup. 
* cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
	cleanup.
	* gcse.c (rest_of_handle_gcse): Ditto.
	* except.c (gate_handle_eh): Ditto.
	* cfgcleanup.c (rest_of_handle_jump2): Ditto.
	* basic-block.h (CLEANUP_PRE_LOOP): Remove.

From-SVN: r111653
 2006-03-03 00:04:22 +00:00
Daniel Berlin
c2924966db tree-vrp.c (execute_vrp): Return value. 
2006-03-02  Daniel Berlin <dberlin@dberlin.org>

	* gcc/tree-vrp.c (execute_vrp): Return value.
	* gcc/regrename.c (rest_of_handle_regrename): Ditto.
	* gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
	* gcc/tree-complex.c (tree_lower_complex): Ditto.
	(tree_lower_complex_O0): Ditto.
	* gcc/tracer.c (rest_of_handle_tracer): Ditto.
	* gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
	* gcc/postreload.c (rest_of_handle_postreload): Ditto.
	* gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
	(execute_tail_calls): Ditto.
	* gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
	* gcc/tree.h (init_function_for_compilation): Ditto.
	* gcc/ipa-cp.c (ipcp_driver): Ditto.
	* gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
	* gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
	* gcc/final.c (compute_alignments): Ditto.
	(rest_of_handle_final): Ditto.
	(rest_of_handle_shorten_branches): Ditto.
	(rest_of_clean_state): Ditto.
	* gcc/omp-low.c (execute_expand_omp): Ditto.
	(execute_lower_omp): Ditto.
	* gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
	* gcc/ipa-reference.c (static_execute): Ditto.
	* gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
	* gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
	(rest_of_handle_machine_reorg): Ditto.
	* gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
	* gcc/flow.c (recompute_reg_usage): Ditto.
	(rest_of_handle_remove_death_notes): Ditto.
	(rest_of_handle_life): Ditto.
	(rest_of_handle_flow2): Ditto.
	* gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
	* gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
	(do_ssa_store_ccp): Ditto.
	(execute_fold_all_builtins): Ditto.
	* gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
	* gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
	* gcc/ipa-pure-const.c (static_execute): Ditto.
	* gcc/cse.c (rest_of_handle_cse): Ditto.
	(rest_of_handle_cse2): Ditto.
	* gcc/web.c (rest_of_handle_web): Ditto.
	* gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
	* gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
	* gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
	* gcc/tree-nrv.c (tree_nrv): Ditto.
	(execute_return_slot_opt): Ditto.
	* gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
	(create_structure_vars): Ditto.
	* gcc/loop-init.c (rtl_loop_init): Ditto.
	(rtl_loop_done): Ditto.
	(rtl_move_loop_invariants): Ditto.
	(rtl_unswitch): Ditto.
	(rtl_unroll_and_peel_loops): Ditto.
	(rtl_doloop): Ditto.
	* gcc/gimple-low.c (lower_function_body): Ditto.
	(mark_used_blocks): Ditto.
	* gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
	* gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
	(cgraph_early_inlining): Ditto.
	* gcc/global.c (rest_of_handle_global_alloc): Ditto.
	* gcc/jump.c (cleanup_barriers): Ditto.
	(purge_line_number_notes): Ditto.
	* gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
	(rest_of_handle_if_after_reload): Ditto.
	* gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
	(tree_ssa_loop_im): Ditto.
	(tree_ssa_loop_unswitch): Ditto.
	(tree_vectorize): Ditto.
	(tree_linear_transform): Ditto.
	(tree_ssa_loop_ivcanon): Ditto.
	(tree_ssa_empty_loop): Ditto.
	(tree_ssa_loop_bounds): Ditto.
	(tree_complete_unroll): Ditto.
	(tree_ssa_loop_prefetch): Ditto.
	(tree_ssa_loop_ivopts): Ditto.
	(tree_ssa_loop_done): Ditto.
	* gcc/predict.c (tree_estimate_probability): Ditto.
	* gcc/recog.c (split_all_insns_noflow): Ditto.
	(rest_of_handle_peephole2): Ditto.
	(rest_of_handle_split_all_insns): Ditto.
	* gcc/tree-eh.c (lower_eh_constructs): Ditto.
	* gcc/regmove.c (rest_of_handle_regmove): Ditto.
	(rest_of_handle_stack_adjustments): Ditto.
	* gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
	* gcc/function.c (instantiate_virtual_regs): Ditto.
	(init_function_for_compilation): Ditto.
	(rest_of_handle_check_leaf_regs): Ditto.
	* gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
	(rest_of_handle_gcse): Ditto.
	* gcc/ipa-type-escape.c (type_escape_execute): Ditto.
	* gcc/alias.c (rest_of_handle_cfg): Ditto.
	* gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
	* gcc/profile.c (rest_of_handle_branch_prob): Ditto.
	* gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
	* gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
	* gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
	* gcc/tree-dfa.c (find_referenced_vars): Ditto.
	* gcc/except.c (set_nothrow_function_flags): Ditto.
	(convert_to_eh_region_ranges): Ditto.
	(rest_of_handle_eh): Ditto.
	* gcc/emit-rtl.c (unshare_all_rtl): Ditto.
	(remove_unnecessary_notes): Ditto.
	* gcc/except.h (set_nothrow_function_flags): Ditto.
	(convert_to_eh_region_ranges): Ditto.
	* gcc/cfgexpand.c (tree_expand_cfg): Ditto.
	* gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
	* gcc/tree-ssa-pre.c (do_pre): Ditto.
	(execute_fre): Ditto.
	* gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
	(rest_of_handle_jump2): Ditto.
	* gcc/tree-sra.c (tree_sra): Ditto.
	* gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
	(execute_mudflap_function_decls): Ditto.
	* gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
	(do_store_copy_prop): Ditto.
	* gcc/ipa-prop.h (ipcp_driver): Ditto.
	* gcc/cfglayout.c (insn_locators_initialize): Ditto.
	* gcc/tree-ssa-forwprop.c
	(tree_ssa_forward_propagate_single_use_vars): Ditto.
	* gcc/cfglayout.h (insn_locators_initialize): Ditto.
	* gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
	* gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
	(execute_late_warn_uninitialized): Ditto.
	* gcc/rtl.h (cleanup_barriers): Ditto.
	(split_all_insns_noflow): Ditto.
	(purge_line_number_notes): Ditto.
	(unshare_all_rtl): Ditto.
	(remove_unnecessary_notes): Ditto.
	(recompute_reg_usage): Ditto.
	(variable_tracking_main): Ditto.
	* gcc/integrate.c (emit_initial_value_sets): Ditto.
	* gcc/integrate.h (emit_initial_value_sets): Ditto.
	* gcc/tree-optimize.c (execute_free_datastructures): Ditto
	(execute_free_cfg_annotations): Ditto.
	(execute_fixup_cfg): Ditto.
	(execute_cleanup_cfg_pre_ipa): Ditto.
	(execute_cleanup_cfg_post_optimizing): Ditto.
	(execute_init_datastructures): Ditto.
	* gcc/tree-object-size.c (compute_object_sizes): Ditto.
	* gcc/combine.c (rest_of_handle_combine): Ditto.
	* gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
	* gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
	(rest_of_handle_reorder_blocks): Ditto.
	(rest_of_handle_partition_blocks): Ditto.
	* gcc/var-tracking.c (variable_tracking_main): Ditto.
	* gcc/tree-profile.c (tree_profiling): Ditto.
	* gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
	* gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
	* gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
	(rest_of_handle_sched2): Ditto.
	* gcc/basic-block.h (free_bb_insn): Ditto.
	* gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
	* gcc/tree-cfg.c (execute_build_cfg): Ditto.
	(remove_useless_stmts): Ditto.
	(split_critical_edges): Ditto.
	(execute_warn_function_return): Ditto.
	(execute_warn_function_noreturn): Ditto.
	* gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
	* gcc/cfgrtl.c (free_bb_for_insn): Ditto.
	* gcc/passes.c (execute_one_pass): Run additional
	todos returned by execute function.
	* gcc/tree-pass.h (struct tree_opt_pass): Make execute
	return a value.

From-SVN: r111643
 2006-03-02 19:00:11 +00:00
Paolo Bonzini
5b4fdb2060 cfg.c (dump_flow_info): Get dump flags as an additional parameter. 
2006-02-15  Paolo Bonzini  <bonzini@gnu.org>

	* cfg.c (dump_flow_info): Get dump flags as an additional parameter.
	(debug_flow_info): Pass it.
	* alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
	* bb-reorder.c (reorder_basic_blocks): Likewise.
	* cfgcleanup.c (rest_of_handle_jump2): Likewise.
	* cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
	* flow.c (life_analysis, recompute_reg_usage): Likewise.
	* gcse.c (gcse_main, bypass_jumps): Likewise.
	* ifcvt.c (rest_of_handle_if_conversion): Likewise.
	* local-alloc.c (rest_of_handle_local_alloc): Likewise.
	* loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
	* profile.c (compute_branch_probabilities, branch_prob): Likewise.
	* rtl.h (dump_flow_info): Adjust prototype.
	* tracer.c (rest_of_handle_tracer, tracer): Likewise.
	* var-tracking.c (variable_tracking_main): Likewise.
	* passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
	* tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
	options.

From-SVN: r111020
 2006-02-15 09:15:56 +00:00
Zdenek Dvorak
10d2256750 tree-vrp.c (execute_vrp): Do not pass dump argument to. 
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
	loop_optimizer_init and loop_optimizer_finalize
	* tree-ssa-sink.c (execute_sink_code): Ditto.
	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
	* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
	tree_ssa_loop_done): Ditto.
	* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
	* sched-ebb.c: Include output.h.
	(schedule_ebbs): Do not use dump argument.
	* value-prof.h (struct profile_hooks): Remove profile_dump_file.
	* loop.c (loop_dump_stream): Removed.
	(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
	argument.
	(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
	emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
	final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
	loop_iterations, strength_reduce, record_biv, record_giv,
	final_giv_value, check_final_value, check_ext_dependent_givs,
	combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
	try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
	dump_file instead of loop_dump_stream.
	* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
	argument dump_file.
	* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
	dump argument.
	* flow.c (life_analysis, rest_of_handle_life): Ditto.
	* haifa-sched.c: Include output.h
	(schedule_insns, sched_init): Do not use dump argument.
	* mode-switching.c (optimize_mode_switching): Ditto.
	* modulo-sched.c (stats_file): Removed.
	(print_node_sched_params): Do not call argument dump_file.
	(sms_schedule_by_order, loop_canon_p, sms_schedule,
	rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
	of stats_file.
	* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
	use dump argument.
	* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
	rtl_loop_init, rtl_loop_done): Ditto.
	* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
	* predict.c (combine_predictions_for_bb, tree_estimate_probability):
	Ditto.
	* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
	* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
	* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
	rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
	* emit-rtl.c (renumber_insns): Ditto.
	* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
	expand_gimple_basic_block, tree_expand_cfg): Ditto.
	* regclass.c (regclass): Ditto.
	* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
	remove_ssa_form, rewrite_out_of_ssa): Ditto.
	* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
	convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
	Ditto.
	* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
	* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
	to regclass.
	* gcse.c (gcse_file, debug_stderr): Removed.
	(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
	rest_of_handle_gcse): Do not use dump argument.
	(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
	one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
	pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
	compute_code_hoist_vbeinout, compute_code_hoist_data,
	one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
	compute_store_table, build_store_vectors, insert_insn_start_bb,
	insert_store, remove_reachable_equiv_notes, replace_store_insn,
	store_motion): Use dump_file instead of gcse_file.
	* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
	* profile.c (profile_dump_file): Removed.
	(branch_prob): Use dump_file instead of profile_dump_file.
	* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
	dump_file.
	* tree-ssa-copy.c (dump_copy_of): Ditto.
	* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
	dump file to life_analysis.
	* bt-load.c (branch_target_load_optimize): Ditto.
	* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
	renumber_insns.
	* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
	regclass, dbr_schedule): Declaration changed.
	* sched-int.h (sched_init): Declaration changed.
	* tree-profile.c (tree_profile_dump_file): Removed.
	(tree_profile_hooks): Removed profile_dump_file hook.
	* rtl-profile (rtl_profile_dump_file): Removed.
	(rtl_profile_hooks): emoved profile_dump_file hook.
	* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
	changed.
	* c-gimplify.c (c_genericize): Do not call local variable dump_file.
	* tree-cfg.c (build_tree_cfg): Ditto.
	* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
	* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
	Declaration changed.
	* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
	life_analysis and schedule_insns.
	* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
	life_analysis.
	* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
	dbr_schedule.
	* config/mips/mips.c (mips_reorg): Ditto.
	* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
	schedule_ebbs.

From-SVN: r110656
 2006-02-06 18:20:47 +00:00
Hans-Peter Nilsson
08678f511c cse.c (fold_rtx): When arg1 has a constant equivalent... 
* cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
	has a constant equivalent, iterate over equivalents for arg0,
	calling simplify_relational_operation and if there's a result
	cheaper than X, apply fold_rtx and return the result.

From-SVN: r110481
 2006-02-01 21:15:54 +00:00
Marcin Dalecki
5ed6ace578 tree-vrp.c: Use XNEW/XCNEW allocation wrappers. 
2006-01-31  Marcin Dalecki  <martin@dalecki.de>

	* tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
	* regrename.c: Ditto.
	* tree-ssa-loop-im.c: Ditto.
	* tree-dump.c: Ditto.
	* tree-complex.c: Ditto.
	* genrecog.c: Ditto.
	* tree-ssa-threadupdate.c: Ditto.
	* tracer.c: Ditto.
	* java/class.c: Ditto.
	* java/jcf-parse.c: Ditto.
	* java/resource.c: Ditto.
	* java/except.c: Ditto.
	* java/jvspec.c: Ditto.
	* java/jcf-write.c: Ditto.
	* java/jcf-path.c: Ditto.
	* java/gjavah.c: Ditto.
	* java/zextract.c: Ditto.
	* java/jcf-io.c: Ditto.
	* java/jcf.h: Ditto.
	* java/buffer.c: Ditto.
	* java/lang.c: Ditto.
	* java/parse-scan.y: Ditto.
	* java/lex.c: Ditto.
	* java/lex.h: Ditto.
	* cfgloopmanip.c: Ditto.
	* postreload-gcse.c: Ditto.
	* tree-ssa-loop-manip.c: Ditto.
	* postreload.c: Ditto.
	* tree-ssa-loop-ch.c: Ditto.
	* loop.c: Ditto.
	* ipa-cp.c: Ditto.
	* cppspec.c: Ditto.
	* diagnostic.c: Ditto.
	* final.c: Ditto.
	* genoutput.c: Ditto.
	* gcc.c: Ditto.
	* cfghooks.c: Ditto.
	* cfgloopanal.c: Ditto.
	* objc/objc-act.c: Ditto.
	* gcov.c: Ditto.
	* genextract.c: Ditto.
	* genautomata.c: Ditto.
	* pretty-print.c: Ditto.
	* genemit.c: Ditto.
	* cgraphunit.c: Ditto.
	* flow.c: Ditto.
	* df-scan.c: Ditto.
	* haifa-sched.c: Ditto.
	* dominance.c: Ditto.
	* dbxout.c: Ditto.
	* tree-ssa-loop-ivopts.c: Ditto.
	* df-core.c: Ditto.
	* mode-switching.c: Ditto.
	* modulo-sched.c: Ditto.
	* graph.c: Ditto.
	* ipa-pure-const.c: Ditto.
	* cse.c: Ditto.
	* fix-header.c: Ditto.
	* web.c: Ditto.
	* tree-stdarg.c: Ditto.
	* ipa-utils.c: Ditto.
	* loop-init.c: Ditto.
	* ipa-inline.c: Ditto.
	* cfganal.c: Ditto.
	* global.c: Ditto.
	* alloc-pool.c: Ditto.
	* dwarf2out.c: Ditto.
	* opts.c: Ditto.
	* genattrtab.c: Ditto.
	* tree-ssa-loop-ivcanon.c: Ditto.
	* predict.c: Ditto.
	* timevar.c: Ditto.
	* lcm.c: Ditto.
	* fortran/gfortranspec.c: Ditto.
	* regmove.c: Ditto.
	* local-alloc.c: Ditto.
	* langhooks.c: Ditto.
	* function.c: Ditto.
	* tree-vectorizer.c: Ditto.
	* gcse.c: Ditto.
	* ipa-type-escape.c: Ditto.
	* alias.c: Ditto.
	* tree-if-conv.c: Ditto.
	* profile.c: Ditto.
	* ipa.c: Ditto.
	* tree-data-ref.c: Ditto.
	* loop-unroll.c: Ditto.
	* treelang/treetree.c: Ditto.
	* calls.c: Ditto.
	* bt-load.c: Ditto.
	* ggc-common.c: Ditto.
	* except.c: Ditto.
	* coverage.c: Ditto.
	* cselib.c: Ditto.
	* tree-cfgcleanup.c: Ditto.
	* tree-ssa-pre.c: Ditto.
	* cfgcleanup.c: Ditto.
	* loop-invariant.c: Ditto.
	* loop-iv.c: Ditto.
	* ipa-prop.c: Ditto.
	* print-tree.c: Ditto.
	* conflict.c: Ditto.
	* ggc-page.c: Ditto.
	* sched-deps.c: Ditto.
	* regclass.c: Ditto.
	* tree-object-size.c: Ditto.
	* combine.c: Ditto.
	* bb-reorder.c: Ditto.
	* resource.c: Ditto.
	* var-tracking.c: Ditto.
	* cfgloop.c: Ditto.
	* df-problems.c: Ditto.
	* reg-stack.c: Ditto.
	* tlink.c: Ditto.
	* gccspec.c: Ditto.
	* sched-rgn.c: Ditto.
	* tree-ssa-structalias.c: Ditto.
	* tree-ssa-reassoc.c: Ditto.
	* config/darwin-c.c: Ditto.
	* config/darwin.c: Ditto.
	* config/arm/arm.c: Ditto.
	* cfgrtl.c: Ditto.
	* collect2.c: Ditto.
	* reload1.c: Ditto.

From-SVN: r110446
 2006-01-31 20:56:55 +01:00
Kazu Hirata
cab2264d17 cse.c (cse_condition_code_reg): Make it static. 
* cse.c (cse_condition_code_reg): Make it static.
	* rtl.h: Remove the prototype for cse_condition_code_reg.

From-SVN: r109742
 2006-01-16 05:17:54 +00:00
Steven Bosscher
78b76d0884 re PR rtl-optimization/25130 (miscompilation in GCSE) 
* fold-const.c (operand_equal_p): Accept a NULL operand 0 for
	COMPONENT_REFs.
	* emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
	hashing trees instead of a pointer hash.
	(mem_attrs_htab_eq): Do a deep compare instead of a pointer
	compare for MEM_EXPR.

	PR rtl-optimization/25130
	* cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
	when comparing MEMs for GCSE

From-SVN: r109264
 2006-01-03 06:20:21 +00:00
Ben Elliston
9b92bf04bf cse.c (fold_rtx): Typo fix. 
* cse.c (fold_rtx): Typo fix.
	(find_comparison_args): Pass the mode of arg1, not arg1 itself.

From-SVN: r107326
 2005-11-22 08:29:23 +11:00
Ben Elliston
3d8bf70f59 optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of explicitly testing GET_MODE_CLASS (x) ==... 
* optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
	explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
	* genopinit.c (gen_insn): Likewise.
	* reload.c (find_equiv_reg): Likewise.
	* loop.c (load_mems): Likewise.
	* rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
	* cse.c (find_comparison_args, fold_rtx): Likewise.
	* dwarf2out.c (add_const_value_attribute): Likewise.
	* expr.c (convert_move): Likewise.
	* recog.c (general_operand, register_operand): Likewise.
	* reg-stack.c (replace_reg): Likewise.
	* tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
	* c-common.c (handle_vector_size_attribute): Likewise.
	* simplify-rtx.c (simplify_const_unary_operation): Likewise.
	(simplify_binary_operation_1): Likewise.
	(simplify_const_binary_operation): Likewise.
	(simplify_relational_operation): Likewise.
	(simplify_const_relational_operation): Likewise.
	(simplify_immed_subreg): Likewise.
	* emit-rtl.c (gen_lowpart_common): Likewise.
	* expmed.c (expand_mult): Likewise.
	* stor-layout.c (layout_type): Likewise.

From-SVN: r107322
 2005-11-22 07:53:27 +11:00
Kazu Hirata
1ef6855c51 re PR rtl-optimization/20583 (ICE in output_operand: invalid expression as operand) 
gcc/
	PR middle-end/20583
	* cse.c (cse_insn): Reject invalid forms of CONST earlier.

gcc/testsuite/
	PR middle-end/20583
	* gcc.c-torture/compile/pr20583.c: New.

From-SVN: r107278
 2005-11-21 04:41:38 +00:00
Jan Hubicka
95b9a3a55c re PR rtl-optimization/23490 (Long compile time for array initializer with inlined constructor) 
PR rtl-optimization/23490
	* doc/invoke.texi (max-predicted-iterations, max-cse-insns,
	max-flow-memory-location): Document.
	* flow.c: Include params.h
	(MAX_MEM_SET_LIST_LEN): Kill.
	(add_to_mem_set_list): Use new param.
	* cse.c (cse_basic_block): Replace 1000 by new param.
	* params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
	PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
	* predict.c (predict_loops): Use new param.
	* predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.

From-SVN: r106520
 2005-11-05 00:55:23 +00:00
Steven Bosscher
31c304baef re PR rtl-optimization/23943 (segv in side_effects_p()) 
gcc/
	PR rtl-optimization/23943
	* cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.

testsuite/
	* gcc.dg/pr23943.c: New test.

From-SVN: r104413
 2005-09-19 05:04:58 +00:00
Jakub Jelinek
1c653a41cf re PR rtl-optimization/23098 (store of 0.0 to float) 
PR rtl-optimization/23098
	* cse.c (fold_rtx_mem): Call delegitimize_address target hook.
	* simplify-rtx.c (constant_pool_reference_p): New function.
	* rtl.h (constant_pool_reference_p): New prototype.
	* config/i386/i386.md (pushf split, mov[sdx]f split): Use
	constant_pool_reference_p in condition and
	avoid_constant_pool_reference in preparation statements.

	* gcc.target/i386/pr23098.c: New test.

From-SVN: r103935
 2005-09-06 10:53:11 +02:00
Richard Henderson
37cf61167f cse.c (exp_equiv_p): Special case CONST_DOUBLE. 
* cse.c (exp_equiv_p): Special case CONST_DOUBLE.
        * cselib.c (rtx_equal_for_cselib_p): Likewise.
        * jump.c (rtx_renumbered_equal_p): Likewise.
        * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
        CONST_INT and CONST_DOUBLE.
        (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
        * reload.c (operands_match_p): Special case CONST_INT and
        CONST_DOUBLE; check mode earlier.

From-SVN: r102548
 2005-07-28 22:57:44 -07:00
J"orn Rennecke
b92ba6ffd9 re PR rtl-optimization/18992 (delete_trivially_dead_insns made ineffective for two-address targets) 
PR rtl-optimization/18992
	Back out this patch:
	  2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
	  PR optimization/12142
	  * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
	  uses of the register in the SET_SRC.  Remove unnecessary argument.

	Replace it with this:
	* cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
	if flag_non_call_exceptions is set and the insn may trap, pass
	pc_rtx as dest for recursion.
	In SET_SRC part of SET case, if dest is already set, pass it down
	unchanged.

From-SVN: r102478
 2005-07-28 12:55:56 +01:00
Paolo Bonzini
ef3303124e Makefile.in: Adjust dependencies. 
2005-07-05  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in: Adjust dependencies.
	* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
	* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
	* alias.c (rest_of_handle_cfg, pass_cfg): New.
	* bb-reorder.c (duplicate_computed_gotos): Make it static.
	* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
	rest_of_compilation.

	* bb-reorder.c (gate_duplicate_computed_gotos,
	pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
	rest_of_handle_reorder_blocks, pass_reorder_blocks,
	gate_handle_partition_blocks, rest_of_handle_partition_blocks,
	pass_partition_blocks): New.
	* bt-load.c (gate_handle_branch_target_load_optimize,
	rest_of_handle_branch_target_load_optimize,
	pass_branch_target_load_optimize): New.
	* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
	pass_jump2): New.
	* cfglayout.c (pass_insn_locators_initialize): New.
	* cfgrtl.c (pass_free_cfg): New.
	* combine.c (gate_handle_combine, rest_of_handle_combine,
	pass_combine): New.
	* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
	gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
	* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
	* except.c (pass_set_nothrow_function_flags,
	pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
	pass_rtl_eh): New.
	* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
	rest_of_handle_shorten_branches, pass_shorten_branches,
	rest_of_clean_state, pass_clean_state): New.
	* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
	rest_of_handle_remove_death_notes, pass_remove_death_notes,
	rest_of_handle_life, pass_life, rest_of_handle_flow2,
	pass_flow2): New.
	* function.c (pass_instantiate_virtual_regs, pass_init_function,
	rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
	* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
	pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
	pass_gcse): New.
	* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
	* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
	pass_rtl_ifcvt, gate_handle_if_after_combine,
	rest_of_handle_if_after_combine, pass_if_after_combine,
	gate_handle_if_after_reload, rest_of_handle_if_after_reload,
	pass_if_after_reload): New.
	* integrate.c (pass_initial_value_sets): New.
	* jump.c (pass_cleanup_barriers, purge_line_number_notes,
	pass_purge_lineno_notes): New.
	* mode-switching.c (rest_of_handle_mode_switching,
	pass_mode_switching): New.
	* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
	* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
	pass_loop2): New.
	* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
	pass_loop_optimize): New.
	* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
	pass_sms): New.
	* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
	pass_gcse2): New.
	* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
	pass_postreload_cse): New.
	* profile.c (gate_handle_profiling, pass_profiling,
	rest_of_handle_branch_prob, pass_branch_prob): New.
	* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
	pass_split_before_regstack, gate_handle_split_before_regstack,
	gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
	rest_of_handle_split_all_insns, pass_split_all_insns): New.
	* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
	pass_stack_regs): New.
	* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
	gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
	pass_stack_adjustments): New.
	* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
	pass_regrename): New.
	* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
	pass_delay_slots, gate_handle_machine_reorg,
	rest_of_handle_machine_reorg, pass_machine_reorg): New.
	* rtl.h (extern void purge_line_number_notes): New.
	* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
	gate_handle_sched2, rest_of_handle_sched2, pass_sched,
	pass_sched2): New.
	* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
	pass_tracer): New.
	* value-prof.c (gate_handle_value_profile_transformations,
	rest_of_handle_value_profile_transformations,
	pass_value_profile_transformations): New.
	* var-tracking.c (gate_handle_var_tracking,
	pass_variable_tracking): New.
	* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.

	* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
	rest_of_handle_delay_slots, rest_of_handle_stack_regs,
	rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
	rest_of_handle_old_regalloc, rest_of_handle_regrename,
	rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
	rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
	rest_of_handle_gcse2, rest_of_handle_regmove,
	rest_of_handle_tracer, rest_of_handle_if_conversion,
	rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
	rest_of_handle_web, rest_of_handle_branch_prob,
	rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
	rest_of_handle_jump_bypass, rest_of_handle_combine,
	rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
	rest_of_handle_gcse, rest_of_handle_loop_optimize,
	rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
	rest_of_handle_mode_switching, rest_of_handle_jump,
	rest_of_handle_eh, rest_of_handle_stack_adjustments,
	rest_of_handle_flow2, rest_of_handle_jump2,
	rest_of_handle_peephole2, rest_of_handle_postreload,
	rest_of_handle_shorten_branches, rest_of_clean_state,
	rest_of_compilation): Remove.

	* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
	* passes.c (dump_flags, in_gimple_form, all_passes,
	all_ipa_passes, all_lowering_passes, register_one_dump_file,
	register_dump_files, next_pass_1, last_verified, execute_todo,
	execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
	from tree-optimize.c.
	(init_optimization_passes): Moved from tree-optimize.c,
	adding the RTL optimizations.
	* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
	* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
	all_ipa_passes, all_lowering_passes, register_one_dump_file,
	register_dump_files, next_pass_1, last_verified, execute_todo,
	execute_one_pass, execute_pass_list, execute_ipa_pass_list,
	init_tree_optimization_passes, ipa_passes): Delete.
	* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
	the RTL dumps.
	(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
	dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
	from tree.h.
	(ipa_passes): Remove.
	(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
	* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
	dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
	dump_switch_p, dump_flag_name): Moved to tree-pass.h.
	(dump_info_p, dump_flag): Moved to tree-dump.h.

	* Makefile.in: Adjust dependencies for tree-pretty-print.c,
	cgraph.c, opts.c.
	* passes.c (finish_optimization_passes): Use dump_begin
	and dump_end, TDI_end.
	(gate_rest_of_compilation): New.
	(pass_rest_of_compilation): Use it.
	(gate_postreload, pass_postreload): New.
	* toplev.c (general_init): Rename init_tree_optimization_passes.
	* toplev.h (init_tree_optimization_passes): Rename to
	init_optimizations_passes.
	* tree-dump.c (dump_flag): Make static.
	(dump_files): Remove RTL dumps.
	* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
	pass_cleanup_cfg, pass_free_cfg_annotations,
	pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
	pass_init_datastructures, pass_fixup_cfg): Make non-static.
	* tree-pretty-print.c: Include tree-pass.h.
	* cgraph.c: Include tree-dump.h.

cp:
2005-07-05  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (class.o, decl2.o): Adjust dependencies.
	* class.c: Include tree-dump.h.
	* decl2.c: Include tree-dump.h.

java:
2005-07-05  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (parse.o): Adjust dependencies.
	* parse.y: Include tree-dump.h.

From-SVN: r101627
 2005-07-05 16:20:53 +00:00
Joseph Myers
ab532386bd bb-reorder.c, [...]: Avoid "." or "\n" at end of diagnostics and capital letters at start of diagnostics. 
* bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
	cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
	config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
	config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
	config/stormy16/stormy16.c, config/v850/v850.c,
	config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
	except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
	Avoid "." or "\n" at end of diagnostics and capital letters at
	start of diagnostics.
	* combine.c, cse.c: Don't translate dump file output.
	* toplev.c (print_version): Only translate output if going to
	stderr.

From-SVN: r101561
 2005-07-03 22:08:11 +01:00
Kelley Cook
366ccddb2b Update FSF address. 
From-SVN: r101317
 2005-06-25 02:02:01 +00:00
Nathan Sidwell
535a42b116 builtins.c (gimplify_va_arg_expr): Reword comments to avoid 'abort'. 
* builtins.c (gimplify_va_arg_expr): Reword comments to avoid
	'abort'. Use gcc_assert and gcc_unreachable as appropriate.
	* c-format.c (get_constant, decode_format_attr, get_flag_spec,
	find_char_info_specifier_index,
	find_length_info_modifier_index): Likewise.
	* c-typeck.c (composite_type, pop_init_level): Likewise.
	* combine.c (cant_combine_insn_p, try_combine): Likewise.
	* cse.c (cse_insn): Likewise
	* dominance.c (calc_dfs_tree): Likewise
	dwarf2out.c (loc_descriptor_from_tree_1,
	add_abstract_origin_attribute, force_decl_die,
	force_type_die): Likewise
	emit-rtl.c (operand_subword_force): Likewise
	explow.c (hard_function_value): Likewise
	expmed.c (store_bit_field, expand_divmod,
	emit_store_flag_force): Likewise
	expr.c (emit_move_multi_word, store_expr,
	expand_expr_real_1): Likewise
	final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
	output_operand): Likewise
	flow.c (recompute_reg_usage): Likewise
	* function.c (assign_stack_temp_for_type, assign_temp,
	handle_epilogue_set): Likewise
	* genextract.c (main): Likewise
	* gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
	gimplify_modify_expr_rhs, gimplify_expr): Likewise
	* haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
	ready_remove, rm_line_notes, rm_other_notes,
	schedule_block): Likewise
	mips-tfile.c (copy_object, out_of_bounds): Likewise

From-SVN: r98567
 2005-04-22 16:14:55 +00:00
Kazu Hirata
f652d14b64 cse.c, [...]: Fix comment typos. 
* cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
	tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
	config/bfin/bfin.h: Fix comment typos.

From-SVN: r97730
 2005-04-06 17:05:08 +00:00
Paolo Bonzini
bf66727567 combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use gen_lowpart_for_combine. 
2004-04-05  Paolo Bonzini  <bonzini@gnu.org>

	* combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
	gen_lowpart_for_combine.
	* cse.c (gen_lowpart_if_possible): Move...
	* rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
	gen_lowpart_SUBREG.
	(gen_lowpart_no_emit_general): Use it.

From-SVN: r97633
 2005-04-05 14:50:35 +00:00
Zdenek Dvorak
cd92865225 re PR rtl-optimization/20249 (ICE with -fprofile-arcs on ppc) 
PR rtl-optimization/20249
	* cse.c (insert_regs): Do not record equivalence of registers in
	different modes.

	* gcc.dg/20050325-1.c: New test.

From-SVN: r97039
 2005-03-25 09:23:47 +00:00
Alexandre Oliva
3a3b81e73f re PR rtl-optimization/18628 (miscompilation of switch statement in loop) 
gcc/ChangeLog:
PR middle-end/18628
* cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
register.
gcc/testsuite/ChangeLog:
* gcc.dg/pr18628.c: New.

From-SVN: r96445
 2005-03-14 20:06:23 +00:00
Kazu Hirata
6c6cfbfd52 c-common.c, [...]: Fix comment formatting. 
* c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
	gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
	tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
	tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.

From-SVN: r96104
 2005-03-08 13:57:01 +00:00
Kazu Hirata
f00822b28d * cse.c (cse_reg_info_table): Make it static. 
From-SVN: r95988
 2005-03-06 20:05:58 +00:00
Zdenek Dvorak
21cf294f37 * cse.c (find_best_addr): Use canon_for_address. 
From-SVN: r95983
 2005-03-06 18:47:22 +00:00
Kazu Hirata
25910ca462 cse.c (fold_rtx_subreg, [...]): New. 
* cse.c (fold_rtx_subreg, fold_rtx_mem): New.
	(fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
	SUBREG and MEM, respectively.

From-SVN: r95964
 2005-03-06 05:21:10 +00:00
Kazu Hirata
2b5936fd61 cse.c (delete_trivially_dead_insns): Speed up by minimizing calls to find_reg_note. 
* cse.c (delete_trivially_dead_insns): Speed up by minimizing
	calls to find_reg_note.

From-SVN: r95532
 2005-02-25 03:45:37 +00:00
Kazu Hirata
03ce14dbc0 cse.c (delete_trivially_dead_insns): Speed up by using NEXT_INSN and PREV_INSN directly instead of next_real_insn... 
* cse.c (delete_trivially_dead_insns): Speed up by using
	NEXT_INSN and PREV_INSN directly instead of next_real_insn and
	prev_real_insn.

From-SVN: r95488
 2005-02-24 01:55:11 +00:00
Kazu Hirata
a811c67259 * gcse.c: Remove an obsolete comment. 
From-SVN: r95319
 2005-02-21 02:02:19 +00:00
Kazu Hirata
0388d40ad3 cse.c, [...]: Fix comment typos. 
* cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
	Fix comment typos.

From-SVN: r94845
 2005-02-10 20:13:21 +00:00
Kazu Hirata
459281be31 * cse.c: Update comments. 
From-SVN: r94705
 2005-02-07 17:10:27 +00:00
Kazu Hirata
a52aff238d * cse.c: Update comments. 
From-SVN: r94624
 2005-02-02 22:31:41 +00:00
Kazu Hirata
782c0a3ea9 * cse.c (get_cse_reg_info): Update a comment. 
From-SVN: r94511
 2005-02-01 00:41:56 +00:00
Kazu Hirata
bc5e3b54eb cse.c (cse_reg_info): Remove hash_next, next, regno. 
* cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
	timestamp.
	(cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
	REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
	cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
	(cached_regno): Initialize to INVALID_REGNUM.
	(cse_reg_info_table_size,
	cse_reg_info_table_first_uninitialized,
	cse_reg_info_timestamp): New.
	(REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
	get_cse_reg_info.
	(init_cse_reg_info, get_cse_reg_info_1): New.
	(get_cse_reg_info): Cache the last look-up.
	(new_basic_block): Update the code to clear mappings from
	registers to cse_reg_info entries.
	(cse_main): Call init_cse_reg_info.

From-SVN: r94506
 2005-02-01 00:14:47 +00:00
Kazu Hirata
65e9fa1009 * cse.c (delete_trivially_dead_insn): Don't iterate. 
From-SVN: r94498
 2005-01-31 22:43:36 +00:00
Kazu Hirata
26af0046ff cse.c (n_elements_made, [...]): Remove. 
* cse.c (n_elements_made, max_elements_made): Remove.
	(insert): Don't touch n_elements_made.
	(cse_main): Don't touch n_elements_made or max_elements_made.

From-SVN: r94407
 2005-01-29 12:08:04 +00:00
Kazu Hirata
01aa1d43e4 * cse.c (fold_rtx) <PC>: Don't optimize. 
From-SVN: r94378
 2005-01-28 17:12:08 +00:00
Kazu Hirata
1590d0d426 cse.c (cse_reg_info_free_list, [...]): Remove. 
* cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
	cse_reg_info_used_list_end): Remove.
	(cse_reg_info_list, cse_reg_info_list_free): New.
	(get_cse_reg_info): When allocating an instance of
	cse_reg_info, add it to the beginning of the cse_reg_info_list
	list.  Remove code to maintain cse_reg_info_used_list.
	(new_basic_block): Reset the free list to the beginning of
	cse_reg_info_list.

From-SVN: r94375
 2005-01-28 15:45:11 +00:00