[Bug tree-optimization/80170] SLP vectorization creates aligned access

["rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80170

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
      Known to work|                            |6.3.1
         Resolution|---                         |FIXED

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed May 10 07:44:41 2017
New Revision: 247826

URL: https://gcc.gnu.org/viewcvs?rev=247826&root=gcc&view=rev
Log:
2017-05-10  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2017-03-17  Richard Biener  <rguenther@suse.de>

        PR middle-end/80075
        * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
        Properly verify the LHS before the RHS possibly claims to be
        handled.
        (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
        do not throw.

        * g++.dg/torture/pr80075.C: New testcase.

        2017-03-21  Brad Spengler <spender@grsecurity.net>

        PR plugin/80094
        * plugin.c (htab_hash_plugin): New function.
        (add_new_plugin): Use it and adjust.
        (parse_plugin_arg_opt): Adjust.
        (init_one_plugin): Likewise.

        2017-03-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80113
        * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
        allocate extra SSA name for PHI def.
        (add_close_phis_to_outer_loops): Likewise.
        (add_close_phis_to_merge_points): Likewise.
        (copy_loop_close_phi_args): Likewise.
        (copy_cond_phi_nodes): Likewise.

        2017-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80122
        * tree-inline.c (copy_bb): Do not expans va-arg packs or
        va_arg_pack_len when the inlined call stmt requires pack
        expansion itself.
        * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.

        * gcc.dg/torture/pr80122.c: New testcase.

        2017-03-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80167
        * graphite-isl-ast-to-gimple.c
        (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
        properly.
        (translate_isl_ast_to_gimple::get_rename): Likewise.

        * gcc.dg/graphite/pr80167.c: New testcase.

        2017-03-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80170
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
        sure DR/SCEV didnt fold in constants we do not see when looking
        at the reference base alignment.

        2017-03-27  Richard Biener  <rguenther@suse.de>

        PR middle-end/80171
        * gimple-fold.c (fold_ctor_reference): Properly guard against
        NULL return value from canonicalize_constructor_val.

        * g++.dg/torture/pr80171.C: New testcase.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/pr80075.C
    branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/pr80171.C
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/graphite/pr80167.c
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr80122.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/gimple-fold.c
    branches/gcc-6-branch/gcc/graphite-isl-ast-to-gimple.c
    branches/gcc-6-branch/gcc/plugin.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-eh.c
    branches/gcc-6-branch/gcc/tree-inline.c
    branches/gcc-6-branch/gcc/tree-inline.h
    branches/gcc-6-branch/gcc/tree-vect-data-refs.c

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed for GCC 6.4.