r151101 - in /branches/graphite/gcc: ChangeLog....

[spop@gcc.gnu.org]

Author: spop
Date: Tue Aug 25 21:58:16 2009
New Revision: 151101

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151101
Log:
Return NULL for read-read dependence relations.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (pddr_original_scattering): Return NULL
	for read-read dependence relations.
	* graphite-poly.h (enum poly_dr_type): Fix comment.
	(pdr_read_p): New.
	(pdr_write_p): New.
	(pdr_may_write_p): New.

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