2007-03-19 Paolo Bonzini <bonzini@gnu.org>

	PR rtl-optimization/30907
	* fwprop.c (forward_propagate_into): Never propagate inside a loop.
	(fwprop_init): Always call loop_optimizer_initialize.
	(fwprop_done): Always call loop_optimizer_finalize.
	(fwprop): We always have loop info now.
	(gate_fwprop_addr): Remove.
	(pass_fwprop_addr): Use gate_fwprop as gate.

	PR rtl-optimization/30841
	* df-problems.c (df_ru_local_compute, df_rd_local_compute,
	df_chain_alloc): Call df_reorganize_refs unconditionally.
	* df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
	refs_organized to refs_organized_size.
	(df_ref_create_structure): Use refs_organized_size instead of
	bitmap_size if refs had been organized, and keep refs_organized_size
	up-to-date.
	* df.h (struct df_ref_info): Change refs_organized to
	refs_organized_size.
	(DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
	bitmap_size.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123084 138bc75d-0d04-0410-961f-82ee72b054a4

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