r158650 - in /trunk/gcc: ChangeLog testsuite/Ch...

[irar@gcc.gnu.org]

Author: irar
Date: Thu Apr 22 18:03:01 2010
New Revision: 158650

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158650
Log:

	PR tree-optimization/43482
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Handle 
	loop unrolling in update of exit phis. Fix comment.
	* tree-vect-slp.c (vect_analyze_slp): Check that there are at
	least two reduction statements in the loop before starting SLP 
	analysis.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr43842.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-slp.c