r149107 - in /branches/graphite/gcc: ChangeLog....

[spop@gcc.gnu.org]

Author: spop
Date: Tue Jun 30 16:52:18 2009
New Revision: 149107

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149107
Log:
Do not strip mine loops with niter less than the strip stride.

2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-blocking.c (pbb_strip_mine_profitable_p): New.
	(pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
	* graphite-poly.c (pbb_number_of_iterations): New.
	* graphite-poly.h (pbb_number_of_iterations): Declared.
	(pbb_iterator_dim, pbb_parameter_dim): New.

Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-blocking.c
    branches/graphite/gcc/graphite-poly.c
    branches/graphite/gcc/graphite-poly.h