http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52252
--- Comment #5 from Kirill Yukhin <kyukhin at gcc dot gnu.org> --- Author: kyukhin Date: Wed May 7 12:10:22 2014 New Revision: 210155 URL: http://gcc.gnu.org/viewcvs?rev=210155&root=gcc&view=rev Log: gcc/ * tree-vect-data-refs.c (vect_grouped_load_supported): New check for loads group of length 3. (vect_permute_load_chain): New permutations for loads group of length 3. * tree-vect-stmts.c (vect_model_load_cost): Change cost of vec_perm_shuffle for the new permutations. gcc/testsuite/ PR tree-optimization/52252 * gcc.dg/vect/pr52252-ld.c: Test on loads group of size 3. Added: trunk/gcc/testsuite/gcc.dg/vect/pr52252-ld.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-data-refs.c trunk/gcc/tree-vect-stmts.c