[Bug tree-optimization/65450] [4.9/5 Regression]: Unaligned access with -O3 -mtune=k8

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65450

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 18 13:54:12 2015
New Revision: 221490

URL: https://gcc.gnu.org/viewcvs?rev=221490&root=gcc&view=rev
Log:
    PR tree-optimization/65450
    * tree-vect-data-refs.c (vect_duplicate_ssa_name_ptr_info): New
    function.
    (vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr): Use
    it instead of duplicate_ssa_name_ptr_info.

    * gfortran.dg/pr65450.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr65450.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c