From-SVN: r219188

From-SVN: r206289

From-SVN: r195098

2009-11-25  H.J. Lu  <hongjiu.lu@intel.com>

	* alias.c: Remove trailing white spaces.
	* alloc-pool.c: Likewise.
	* alloc-pool.h: Likewise.
	* attribs.c: Likewise.
	* auto-inc-dec.c: Likewise.
	* basic-block.h: Likewise.
	* bb-reorder.c: Likewise.
	* bt-load.c: Likewise.
	* builtins.c: Likewise.
	* builtins.def: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-cppbuiltin.c: Likewise.
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-lex.c: Likewise.
	* c-omp.c: Likewise.
	* c-opts.c: Likewise.
	* c-parser.c: Likewise.
	* c-pretty-print.c: Likewise.
	* c-tree.h: Likewise.
	* c-typeck.c: Likewise.
	* caller-save.c: Likewise.
	* calls.c: Likewise.
	* cfg.c: Likewise.
	* cfganal.c: Likewise.
	* cfgexpand.c: Likewise.
	* cfghooks.c: Likewise.
	* cfghooks.h: Likewise.
	* cfglayout.c: Likewise.
	* cfgloop.c: Likewise.
	* cfgloop.h: Likewise.
	* cfgloopmanip.c: Likewise.
	* cfgrtl.c: Likewise.
	* cgraph.c: Likewise.
	* cgraph.h: Likewise.
	* cgraphbuild.c: Likewise.
	* cgraphunit.c: Likewise.
	* cif-code.def: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* convert.c: Likewise.
	* coverage.c: Likewise.
	* crtstuff.c: Likewise.
	* cse.c: Likewise.
	* cselib.c: Likewise.
	* dbgcnt.c: Likewise.
	* dbgcnt.def: Likewise.
	* dbgcnt.h: Likewise.
	* dbxout.c: Likewise.
	* dce.c: Likewise.
	* ddg.c: Likewise.
	* ddg.h: Likewise.
	* defaults.h: Likewise.
	* df-byte-scan.c: Likewise.
	* df-core.c: Likewise.
	* df-problems.c: Likewise.
	* df-scan.c: Likewise.
	* df.h: Likewise.
	* dfp.c: Likewise.
	* diagnostic.c: Likewise.
	* diagnostic.h: Likewise.
	* dominance.c: Likewise.
	* domwalk.c: Likewise.
	* double-int.c: Likewise.
	* double-int.h: Likewise.
	* dse.c: Likewise.
	* dwarf2asm.c: Likewise.
	* dwarf2asm.h: Likewise.
	* dwarf2out.c: Likewise.
	* ebitmap.c: Likewise.
	* ebitmap.h: Likewise.
	* emit-rtl.c: Likewise.
	* et-forest.c: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* expr.h: Likewise.
	* final.c: Likewise.
	* flags.h: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* fwprop.c: Likewise.
	* gcc.c: Likewise.
	* gcov-dump.c: Likewise.
	* gcov-io.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genattr.c: Likewise.
	* genattrtab.c: Likewise.
	* genautomata.c: Likewise.
	* genchecksum.c: Likewise.
	* genconfig.c: Likewise.
	* genflags.c: Likewise.
	* gengtype-parse.c: Likewise.
	* gengtype.c: Likewise.
	* gengtype.h: Likewise.
	* genmddeps.c: Likewise.
	* genmodes.c: Likewise.
	* genopinit.c: Likewise.
	* genpreds.c: Likewise.
	* gensupport.c: Likewise.
	* ggc-common.c: Likewise.
	* ggc-page.c: Likewise.
	* ggc-zone.c: Likewise.
	* ggc.h: Likewise.
	* gimple-iterator.c: Likewise.
	* gimple-low.c: Likewise.
	* gimple-pretty-print.c: Likewise.
	* gimple.c: Likewise.
	* gimple.def: Likewise.
	* gimple.h: Likewise.
	* gimplify.c: Likewise.
	* graphds.c: Likewise.
	* graphite-clast-to-gimple.c: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix.c: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr.h: Likewise.
	* haifa-sched.c: Likewise.
	* hard-reg-set.h: Likewise.
	* hooks.c: Likewise.
	* hooks.h: Likewise.
	* hosthooks.h: Likewise.
	* hwint.h: Likewise.
	* ifcvt.c: Likewise.
	* incpath.c: Likewise.
	* init-regs.c: Likewise.
	* integrate.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-reference.c: Likewise.
	* ipa-struct-reorg.c: Likewise.
	* ipa-struct-reorg.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* ipa-type-escape.h: Likewise.
	* ipa-utils.c: Likewise.
	* ipa-utils.h: Likewise.
	* ipa.c: Likewise.
	* ira-build.c: Likewise.
	* ira-color.c: Likewise.
	* ira-conflicts.c: Likewise.
	* ira-costs.c: Likewise.
	* ira-emit.c: Likewise.
	* ira-int.h: Likewise.
	* ira-lives.c: Likewise.
	* ira.c: Likewise.
	* jump.c: Likewise.
	* lambda-code.c: Likewise.
	* lambda-mat.c: Likewise.
	* lambda-trans.c: Likewise.
	* lambda.h: Likewise.
	* langhooks.c: Likewise.
	* lcm.c: Likewise.
	* libgcov.c: Likewise.
	* lists.c: Likewise.
	* loop-doloop.c: Likewise.
	* loop-init.c: Likewise.
	* loop-invariant.c: Likewise.
	* loop-iv.c: Likewise.
	* loop-unroll.c: Likewise.
	* lower-subreg.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-compress.c: Likewise.
	* lto-opts.c: Likewise.
	* lto-section-in.c: Likewise.
	* lto-section-out.c: Likewise.
	* lto-streamer-in.c: Likewise.
	* lto-streamer-out.c: Likewise.
	* lto-streamer.c: Likewise.
	* lto-streamer.h: Likewise.
	* lto-symtab.c: Likewise.
	* lto-wpa-fixup.c: Likewise.
	* matrix-reorg.c: Likewise.
	* mcf.c: Likewise.
	* mode-switching.c: Likewise.
	* modulo-sched.c: Likewise.
	* omega.c: Likewise.
	* omega.h: Likewise.
	* omp-low.c: Likewise.
	* optabs.c: Likewise.
	* optabs.h: Likewise.
	* opts-common.c: Likewise.
	* opts.c: Likewise.
	* params.def: Likewise.
	* params.h: Likewise.
	* passes.c: Likewise.
	* plugin.c: Likewise.
	* postreload-gcse.c: Likewise.
	* postreload.c: Likewise.
	* predict.c: Likewise.
	* predict.def: Likewise.
	* pretty-print.c: Likewise.
	* pretty-print.h: Likewise.
	* print-rtl.c: Likewise.
	* print-tree.c: Likewise.
	* profile.c: Likewise.
	* read-rtl.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reg-stack.c: Likewise.
	* regcprop.c: Likewise.
	* reginfo.c: Likewise.
	* regmove.c: Likewise.
	* regrename.c: Likewise.
	* regs.h: Likewise.
	* regstat.c: Likewise.
	* reload.c: Likewise.
	* reload1.c: Likewise.
	* resource.c: Likewise.
	* rtl.c: Likewise.
	* rtl.def: Likewise.
	* rtl.h: Likewise.
	* rtlanal.c: Likewise.
	* sbitmap.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-ebb.c: Likewise.
	* sched-int.h: Likewise.
	* sched-rgn.c: Likewise.
	* sched-vis.c: Likewise.
	* sdbout.c: Likewise.
	* sel-sched-dump.c: Likewise.
	* sel-sched-dump.h: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.
	* sel-sched.c: Likewise.
	* sel-sched.h: Likewise.
	* sese.c: Likewise.
	* sese.h: Likewise.
	* simplify-rtx.c: Likewise.
	* stack-ptr-mod.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* store-motion.c: Likewise.
	* stringpool.c: Likewise.
	* stub-objc.c: Likewise.
	* sync-builtins.def: Likewise.
	* target-def.h: Likewise.
	* target.h: Likewise.
	* targhooks.c: Likewise.
	* targhooks.h: Likewise.
	* timevar.c: Likewise.
	* tlink.c: Likewise.
	* toplev.c: Likewise.
	* toplev.h: Likewise.
	* tracer.c: Likewise.
	* tree-affine.c: Likewise.
	* tree-affine.h: Likewise.
	* tree-browser.def: Likewise.
	* tree-call-cdce.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-cfgcleanup.c: Likewise.
	* tree-chrec.c: Likewise.
	* tree-chrec.h: Likewise.
	* tree-complex.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-data-ref.h: Likewise.
	* tree-dfa.c: Likewise.
	* tree-dump.c: Likewise.
	* tree-dump.h: Likewise.
	* tree-eh.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-flow.h: Likewise.
	* tree-if-conv.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-loop-linear.c: Likewise.
	* tree-mudflap.c: Likewise.
	* tree-nested.c: Likewise.
	* tree-nomudflap.c: Likewise.
	* tree-nrv.c: Likewise.
	* tree-object-size.c: Likewise.
	* tree-optimize.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-pass.h: Likewise.
	* tree-phinodes.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-profile.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-coalesce.c: Likewise.
	* tree-ssa-copy.c: Likewise.
	* tree-ssa-copyrename.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-ifcombine.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-ssa-live.h: Likewise.
	* tree-ssa-loop-ch.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-loop-unswitch.c: Likewise.
	* tree-ssa-loop.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-operands.c: Likewise.
	* tree-ssa-operands.h: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-sink.c: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa-ter.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa-uncprop.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-ssanames.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-tailcall.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-generic.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* tree-vectorizer.c: Likewise.
	* tree-vectorizer.h: Likewise.
	* tree-vrp.c: Likewise.
	* tree.c: Likewise.
	* tree.def: Likewise.
	* tree.h: Likewise.
	* treestruct.def: Likewise.
	* unwind-compat.c: Likewise.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2.c: Likewise.
	* value-prof.c: Likewise.
	* value-prof.h: Likewise.
	* var-tracking.c: Likewise.
	* varasm.c: Likewise.
	* varpool.c: Likewise.
	* vec.c: Likewise.
	* vec.h: Likewise.
	* vmsdbgout.c: Likewise.
	* web.c: Likewise.
	* xcoffout.c: Likewise.

From-SVN: r154645

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

Change copyright header to refer to version 3 of the GNU General Public License and to point readers at the COPYING3 file and the FSF's license web page.

From-SVN: r126948

	* Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
	tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
	global.o, cfglayout.o, lambda-code.o, reg-stack.o,
	build/genextract.o): Depend on vecprim.h.
	* cfglayout.c, df-problems.c, function.c, genextract.c,
	global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
	tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
	vecprim.h.
	* vecprim.h: New.

From-SVN: r112830

From-SVN: r101317

	* sdbout.h: Use ISO C90 prototypes.

	* sdbout.c (CONTIN): Removed empty macro.
	(sdbout_one_type): Remove CONTIN usages.
	Remove ^Ls.
	(tag_of_ru_type): Remove #if 0'ed function.
	(sdbout_symbol): Remove #if 0'ed code.
	(sdbout_one_type): Remove a #if 1.
	(sdbout_one_type): Remove #if 0'ed code.
	(sdbout_init): Remove RMS_QUICK_HACK_1 code.
	Remove PARAMS, use ISO C90 prototypes for all functions.

From-SVN: r67294

	* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
	bitmap.h, builtin-types.def, builtins.c, builtins.def,
	c-aux-info.c, c-common.c, c-common.def, c-common.h,
	c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
	c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
	c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
	caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
	conditions.h, config.gcc, configure.frag, configure.in,
	conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
	cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
	dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
	doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
	dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
	emit-rtl.c, errors.c, errors.h, except.c, except.h,
	exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
	fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
	function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
	gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
	gencheck.c, gencodes.c, genconfig.c, genemit.c,
	genextract.c, genflags.c, gengenrtl.c, genmultilib,
	genopinit.c, genoutput.c, genpeep.c, genrecog.c,
	gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
	ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
	graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
	gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
	gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
	hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
	integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
	libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
	machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
	mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
	mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
	params.h, predict.c, predict.def, predict.h, prefix.c,
	prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
	read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
	regclass.c, regmove.c, regrename.c, regs.h, reload.c,
	reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
	rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
	sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
	sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
	ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
	stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
	tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
	tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
	unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
	unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
	xcoffout.h: replace "GNU CC" with "GCC".

From-SVN: r45105

	* Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
	(final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
	(toplev.o): Don't depend on xcoffout.h.
	* c-decl.c: Include debug.h
	(duplicate_decls): Use debug hook.
	* dbxout.c (dbxout_source_file, dbxout_args): Make static.
	(dbx_debug_hooks, xcoff_debug_hooks): Update.
	(dbxout_types): Remove.
	* dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
	* debug.c (do_nothing_debug_hooks): Update.
	(debug_true_tree, debug_nothing_rtx): New.
	* debug.h (struct rtx_def): New.
	(struct gcc_debug_hooks): New hooks ignore_block,
	outlining_inline_function and label.
	(debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
	dwarf2out_frame_finish): New.
	* dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
	Make static, update prototype.
	(dwarf2_debug_hooks): Update.
	* dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
	dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
	* dwarfout.c (dwarf_debug_hooks): Update.
	* emit-rtl.c: Include debug.h.
	(remove_unnecessary_notes): Use debug hook.
	* final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
	(final_scan_insn): Use debug hook.
	* integrate.c (output_inline_function): Use debug hook.
	* sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
	(sdb_debug_hooks): Update.
	* sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
	* toplev.c: Don't include xcoffout.h.
	(note_outlining_of_inline_function, debug_ignore_block): Remove.
	* toplev.h (note_outlining_of_inline_function, debug_ignore_block):
	Remove.
	* tree.h (dwarf2out_do_frame): Remove.

From-SVN: r44163

	* dbxout.c (dbxout_really_begin_function): Rename to
	dbxout_begin_function.
	(dbx_debug_hooks, xcoff_debug_hooks): Update.
	(dbxout_begin_function): Remove.
	(dbxout_function): Update.
	(dbxout_source_line): Update prototype.
	* dbxout.h (dbxout_begin_function): Remove.
	* debug.c (do_nothing_debug_hooks): Update.
	(debug_nothing_tree): Update.
	(debug_nothing_charstar_rtx): Remove.
	* debug.h (union tree_node): Declare.
	(struct rtx_def): Remove.
	(gcc_debug_hooks): New hooks begin_prologue, end_prologue,
	begin_function.  Change source_line prototype.
	(debug_nothing_tree): New.
	(debug_nothing_charstar_rtx): Delete.
	(dwarf2out_begin_prologue): Moved from ...
	* tree.h: ... here.
	* dwarf2out.c (dwarf2_debug_hooks): Update.
	(dwarf2out_begin_prologue): Update prototype.  If genuine dwarf2
	debug info, call dwarf2out_source_line.
	(dwarf2out_souce_line): Update prototype.
	* dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
	Change prototype, make static.
	(dwarfout_source_line): Update prototype.
	(dwarf_debug_hooks): Update.
	* dwarfout.h (dwarfout_begin_function): Remove.
	* final.c (final_start_function, final_scan_insn): Use appropriate
	debug hooks, update to use notice_source_line.
	(output_source_line): Rename notice_source_line.  Don't call the
	source_line debug hook.
	* sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
	make static, update prototype.
	(sdbout_mark_begin_function): Rename sdbout_begin_function, update
	prototype.
	(sdbout_end_prologue): New.
	(sdbout_source_line): Update prototype.
	(sdbout_debug_hooks): Update.
	(sdbout_symbol): Remove unused var.
	* sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
	Delete.
	* varasm.c: Include debug.h.
	(assemble_start_function): Use begin_function debug_hook.
	* xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
	update with prototype.
	(xcoffout_source_line): Update prototype.
	* xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
	update prototype.
	(xcoffout_source_line): Update prototype.

From-SVN: r44087

	* dbxout.c (dbxout_source_line): Make static, update prototype.
	(dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
	(dbxout_init, dbxout_finish, dbxout_source_line,
	dbxout_begin_block, dbxout_end_block): Update for new prototypes.
	* dbxout.h (dbxout_source_line): Delete.
	* debug.c (debug_nothing_file, debug_nothing_file_int,
	debug_nothing_file_charstar_rtx): New.
	(do_nothing_debug_hooks): Update.
	(debug_nothing_void, debug_nothing_charstar_rtx,
	dwarf2out_end_epilogue): New.
	(debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
	* debug.h (struct rtx_def): Declare.
	(gcc_debug_hooks): New hooks source_line, end_epilogue
	and end_function.
	(debug_nothing_void, debug_nothing_charstar_rtx,
	dwarf2out_end_epilogue): New.
	(debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
	* dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
	(dwarf2_debug_hooks): Update.
	(dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
	dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
	* dwarf2out.h (dwarf2out_source_line): Remove.
	* dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
	Make static, update prototype.
	(dwarfout_init, dwarfout_finish, dwarfout_source_line,
	dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
	(dwarf_debug_hooks): Update.
	* dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
	dwarfout_end_function): Remove.
	* final.c (profile_function): Use debug hooks for ending functions
	and epilogues.
	(output_source_line, final_end_function): Update prototype,
	use debug hooks.
	(final_start_function, final_scan_insn): Update.
	* output.h (sdb_begin_function_line): Remove.
	(final_end_function): Update prototype.
	* sdbout.c (sdb_begin_function_line): Make static.
	(PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
	(sdbout_source_line): New.
	(sdbout_end_epilogue, sdbout_end_function): Make static, update
	prototypes.
	(sdb_debug_hooks): Update.
	(sdbout_init, sdbout_source_line,
	sdbout_begin_block, sdbout_end_block): Update for new prototypes.
	* sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
	* toplev.c (compile_file, rest_of_compilation): Update.
	* tree.h (dwarf2out_end_epilogue): Move to debug.h.
	* xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
	xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
	Update for prototype changes.
	* xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
	xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.

From-SVN: r44017

	* Makefile.in (final.o): Depend on debug.h.
	* dbxout.c (dbxout_begin_block, dbxout_end_block): New.
	(dbx_debug_hooks): Add new hooks.
	(xcoff_debug_hooks): New.
	* debug.c (debug_nothing_file_int_int): New.
	(do_nothing_debug_hooks): Update.
	* debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
	(debug_nothing_file_int_int): New.
	* dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
	static, update prototype.
	(dwarf2_debug_hooks): Update.
	* dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
	* dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
	static, update prototype.
	(dwarf_debug_hooks): Update.
	* dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
	* final.c: Include debug.h.
	(final_scan_insn): Use debug hooks when beginning and ending blocks.
	* sdbout.c (sdbout_begin_block, sdbout_end_block): Make
	static, update prototype.
	(sdb_debug_hooks): Update.
	* sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
	* toplev.c: Distinguish between xcoff and dbx.

	* f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
	Call all debug hooks, not just dwarf ones.

From-SVN: r43959

	* Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
	* c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
	hooks directly.
	* dbxout.c (dbx_debug_hooks): Add new hooks.
	(dbxout_start_new_source_file): Rename dbxout_start_source_file,
	make static.
	(dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
	make static.
	* dbxout.h (dbxout_start_new_source_file,
	dbxout_resume_previous_source_file): Delete.
	* debug.c (do_nothing_debug_hooks): Add new hooks.
	(debug_nothing_init_finish): Rename debug_nothing_file_charstar.
	(debug_nothing_int_charstar, debug_nothing_int): New.
	* debug.h (gcc_debug_hooks): New hooks define, undef,
	start_source_file and end_source_file.
	(debug_nothing_init_finish): Rename debug_nothing_file_charstar.
	(debug_nothing_int_charstar, debug_nothing_int): New.
	* dwarf2out.c (dwarf2_debug_hooks): Add new hooks.
	(dwarf2out_start_source_file, dwarf2out_end_source_file,
	dwarf2out_define, dwarf2out_undef): Make static.
	* dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
	dwarf2out_define, dwarf2out_undef): Remove.
	* dwarfout.c (dwarf_debug_hooks): Add new hooks.
	(dwarfout_start_source_file, dwarfout_end_source_file,
	dwarfout_define, dwarfout_undef): Make static.
	(dwarfout_start_source_file_check,
	dwarfout_end_source_file_check): New.
	(dwarfout_define, dwarfout_finish): Update.
	* dwarfout.h (dwarfout_start_new_source_file,
	dwarfout_resume_previous_source_file, dwarfout_define,
	dwarfout_undef): Remove.
	* sdbout.c (sdb_debug_hooks): Add new hooks.
	(sdbout_start_new_source_file): Rename sdbout_start_source_file,
	make static.
	(sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
	make static, take an arg.
	* sdbout.h (sdbout_start_new_source_file,
	sdbout_resume_previous_source_file): Delete.
	* toplev.c (debug_start_source_file, debug_end_source_file,
	debug_define, debug_undef): Delete.
	* toplev.h (debug_start_source_file, debug_end_source_file,
	debug_define, debug_undef): Delete.

	* java/jcf-parse.c: Include debug.h.
	(parse_class_file): Update to use debug hooks directly.
	* java/Make-lang.in (jcf-parse.o): Depend on debug.h.

From-SVN: r43952

	* Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
	dwarf2out.o): Depend on debug.h, wrap long lines.
	* dbxout.c: Include debug.h.
	(dbx_debug_hooks): New.
	(dbxout_init): Make static, take just 2 args.
	(dbxout_finish): Make static.
	* dbxout.h (dbxout_init, dbxout_finish): Delete.
	* debug.c: New file.
	* debug.h: New file.
	* dwarf2out.c: Include debug.h.
	(dwarf2_debug_hooks): New.
	(dwarf2out_init): Make static.
	(dwarf2out_finish): Make static, take 2 args.
	* dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
	* dwarfout.c: Include debug.h.
	(dwarf_debug_hooks): New.
	(dwarfout_init): Make static.
	(dwarfout_finish): Make static, take 2 args.
	* dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
	* sdbout.c: Include debug.h.
	(sdb_debug_hooks): New.
	(sdbout_init): Make static, take 2 args.
	* sdbout.h (sdbout_init): Delete.
	* toplev.c: Include debug.h.
	(debug_hooks): New.
	(compile_file): Set deubg_hooks based on command line options.
	Use the hooks unconditionally rather than conditional compilation.

From-SVN: r43908

	* sdbout.c (struct sdb_file): NAME now const.
	(sdbout_init): input_file_name now const.
	(sdbout_start_new_source_file): FILENAME now const.
	* sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.

From-SVN: r34426

From-SVN: r31465

        * print-rtl.c: PROTO -> PARAMS.
        * real.c: Likewise.
        * reg-stack.c: Likewise.
        * resource.c: Likewise.
        * sdbout.h: Likewise.
        * simplify-rtx.c: Likewise.
        * stor-layout.c: Likewise.
        * stupid.c: Likewise.
        * xcoffout.c: Likewise.
        * xcoffout.h: Likewise.

From-SVN: r31463

        * reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *.
        * sdbout.c: Include output.h and toplev.h.
        (PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument
        `a'.  Cast `a' to HOST_WIDE_INT to force it to always be so.
        (PUT_SDB_SIZE): Likewise.
        * sdbout.h (sdbout_mark_begin_function): Add prototype.
        * stmt.c (check_for_full_enumeration_handling): Cast argument of
        `warning' to long and use %ld specifier.
        * toplev.c (main): Likewise for `fprintf'.
        * toplev.h (output_file_directive): Add prototype.
        * unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in
        call to `fprintf'.
        (precondition_loop_p): Likewise.
        * varasm.c Include sdbout.h.
        (assemble_static_space): Move sometimes-unused variable `rounded'
        into the scope in which it is used.

From-SVN: r20651

        * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h:  New files.
        Prototypes for externally used functions in respective C files.
        * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
        final.c: Include above files.
        * Makefile.in (toplev.o): Add dependency for above four headers.
        (final.o): Likewise.
        (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
        respective header files.

From-SVN: r19835

        * configure.in: Add support for i386-wrs-vxworks configuration.
        * i386/vxi386.h: New file.

From-SVN: r18197

which included commits to RCS files with non-trunk default branches.

From-SVN: r16984

From-SVN: r14764

From-SVN: r9975

From-SVN: r6544

From-SVN: r5946

From-SVN: r5937

From-SVN: r5930

From-SVN: r4552

Remove redundant defines.

From-SVN: r3189

From-SVN: r2397

From-SVN: r2396

From-SVN: r52

From-SVN: r44

From-SVN: r29

From-SVN: r22

From-SVN: r21

From-SVN: r20