r123530 - in /branches/dataflow-branch/gcc: Cha...

[zadeck at gcc dot gnu dot org]

Author: zadeck
Date: Thu Apr  5 23:51:20 2007
New Revision: 123530

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123530
Log:
2007-04-05  Kenneth Zadeck <zadeck@naturalbridge.com>

	* sbitmap.c (sbitmap_empty_p): New function.
	* sbitmap.h (sbitmap_empty_p): New function.
	* dbgcnt.def (dse): New counter and sorted the others.
	* df-core.c (df_worklist_dataflow): Made init_fun optional.
	* cse.c (cse_main): Do dce at start of pass.
	* timevar.def (TV_DSE3): Deleted.
	* dse.c: New pass.
	* dse.h: New file for dse pass.
	* gcse.c (gcse_main): Set up the register info.
	* alias.c (clear_reg_alias_info): Removed dead function.
	* rtl.h (clear_reg_alias_info): Removed dead function.
	* cselib.c (cselib_discard_hook): Added cselib val parameter.
	(discard_useless_values): Added hook call here.
	(remove_useless_values): Removed hook call from here.
	(expand_loc, cselib_expand_value_rtx): New function.
	(cselib_finish): Clear hook.
	* cselib.h (cselib_discard_hook): Added cselib val parameter.
	(expand_loc, cselib_expand_value_rtx): New function.
	* common.opt (flag_flow_dce, new-dce): Removed flag.
	(flag_dce, flag_dse): New flags.
	* Makefile.in (dse.o): New pass.
	* passes.c (init_iptimization_passes): Removed dse after combine.
	Renamed dse3 to dse2.
	* dce.c (delete_unmarked_insns): Renamed new_dce to dce.
	(end_dce, mark_artificial_uses, mark_reg_dependencies, 
	invariant_store_base_eq, invariant_store_base_hash, value_store_base_eq,
	value_store_base_hash, store_base_del, rs_init, rs_confluence,
	rs_transfer_function, init_invariant_store_group,
	init_value_store_group, empty_store_group, end_store_group,
	init_rs_dflow, end_rs_dflow, init_unmarked_stores,
	end_unmarked_stores, init_dse, end_dse, dump_stores,
	split_address, add_store_offset, record_store, record_stores,
	store_offset_compare, store_base_local,
	invariant_store_base_local, value_store_base_local,
	value_store_base_useless, remove_useless_values,
	store_base_global, finish_max_in_luid,
	calculate_reaching_stores, frame_stores_escape_p,
	store_base_prune_needed, mark_escaping_stores,
	insn_might_read_mem_rtx, insn_might_read_mem_use,
	insn_might_read_mem_p, mark_dependent_stores,
	prescan_insns_for_dse, rest_of_handle_dse, gate_dse): Deleted functions
	as part of new dse pass in separate file.  
	* reload1.c (alter_reg): Added calls to register spill slots
	with dse.


Added:
    branches/dataflow-branch/gcc/dse.c
    branches/dataflow-branch/gcc/dse.h
Modified:
    branches/dataflow-branch/gcc/ChangeLog.dataflow
    branches/dataflow-branch/gcc/Makefile.in
    branches/dataflow-branch/gcc/alias.c
    branches/dataflow-branch/gcc/common.opt
    branches/dataflow-branch/gcc/cse.c
    branches/dataflow-branch/gcc/cselib.c
    branches/dataflow-branch/gcc/cselib.h
    branches/dataflow-branch/gcc/dbgcnt.def
    branches/dataflow-branch/gcc/dce.c
    branches/dataflow-branch/gcc/df-core.c
    branches/dataflow-branch/gcc/gcse.c
    branches/dataflow-branch/gcc/passes.c
    branches/dataflow-branch/gcc/reload1.c
    branches/dataflow-branch/gcc/rtl.h
    branches/dataflow-branch/gcc/sbitmap.c
    branches/dataflow-branch/gcc/sbitmap.h
    branches/dataflow-branch/gcc/timevar.def