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r150664 - in /branches/graphite/gcc: ChangeLog....


Author: spop
Date: Tue Aug 11 19:01:10 2009
New Revision: 150664

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=150664
Log:
Reimplement interchange heuristic.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
	    Pranav Garg  <pranav.garg2107@gmail.com>

	* graphite-interchange.c (gather_access_strides): Removed.
	(ppl_max_for_le): New.
	(build_linearized_memory_access): New.
	(memory_stride_in_loop): New.
	(pbb_interchange_profitable_p): Reimplemented.
	* graphite-ppl.h (ppl_new_id_map): New.
	(ppl_interchange): New.

	* testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.

Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-interchange.c
    branches/graphite/gcc/graphite-ppl.h
    branches/graphite/gcc/testsuite/gcc.dg/graphite/interchange-6.c


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