r211439 - in /trunk/gcc: ChangeLog testsuite/Ch...

[kyukhin@gcc.gnu.org]

Author: kyukhin
Date: Wed Jun 11 08:37:53 2014
New Revision: 211439

URL: http://gcc.gnu.org/viewcvs?rev=211439&root=gcc&view=rev
Log:
gcc/
	* tree-vect-data-refs.c (vect_grouped_store_supported): New
	check for stores group of length 3.
	(vect_permute_store_chain): New permutations for stores group of
	length 3.
	* tree-vect-stmts.c (vect_model_store_cost): Change cost
	of vec_perm_shuffle for the new permutations.

gcc/testsuite/
	PR tree-optimization/52252
	* gcc.dg/vect/pr52252-st.c: Test on stores group of size 3.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr52252-st.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c
    trunk/gcc/tree-vect-stmts.c