2009-10-06 Sebastian Pop <sebastian.pop@amd.com>

2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (reduction_dr_1): New.
	(reduction_dr_p): New.
	(graphite_legal_transform_dr): Call reduction_dr_p.
	(reduction_ddr): Renamed reduction_ddr_p.
	* graphite-poly.h (same_pdr_p): New.
	(number_of_write_pdrs): New.
	* graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
	(split_reduction_stmt): Do not split reduction statements
	when there are no writes to memory.
	(translate_scalar_reduction_to_array_for_stmt): Insert the
	memory reduction statement just after the scalar reduction statement.

	* gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
	Un-XFAIL-ed.
	* gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
	* gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154564 138bc75d-0d04-0410-961f-82ee72b054a4