2015-12-01 Richard Biener <rguenther@suse.de>
commitd7e32074e5dbb7b2c7eb36428be3e4416e96c487
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 1 Dec 2015 14:24:54 +0000 (1 14:24 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 1 Dec 2015 14:24:54 +0000 (1 14:24 +0000)
tree25b658c07a9bfa509d5726fe009464b9133a2068
parent083e7e3e3686eda67a7d16ae80f546c5ffa6506a
2015-12-01  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68379
* tree-vect-stmts.c (vectorizable_load): For BB vectorization
always base loads on the first used DR of a group.
* tree-vect-data-refs.c (vect_slp_analyze_and_verify_node_alignment):
Compute alignment of the first scalar element unconditionally.

* gcc.dg/torture/pr68379.c: New testcase.
* gfortran.dg/pr68379-1.f90: Likewise.
* gfortran.dg/pr68379-2.f: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231111 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/torture/pr68379.c [new file with mode: 0644]
gcc/testsuite/gfortran.dg/pr68379-1.f90 [new file with mode: 0644]
gcc/testsuite/gfortran.dg/pr68379-2.f [new file with mode: 0644]
gcc/tree-vect-data-refs.c
gcc/tree-vect-stmts.c