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[Bug tree-optimization/79256] [7 Regression] FAIL: gcc.dg/vect/pr25413a.c execution test


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79256

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb  7 11:29:06 2017
New Revision: 245245

URL: https://gcc.gnu.org/viewcvs?rev=245245&root=gcc&view=rev
Log:
2017-02-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79256
        PR middle-end/79278
        * builtins.c (get_object_alignment_2): Use min_align_of_type
        to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
        and ADJUST_FIELD_ALIGN.

        * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
        type parameter.
        * doc/tm.texi: Regenerate.
        * stor-layout.c (layout_decl): Adjust.
        (update_alignment_for_field): Likewise.
        (place_field): Likewise.
        (min_align_of_type): Likewise.
        * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
        * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
        * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/frv/frv.c (frv_adjust_field_align): Likewise.
        * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/i386/i386.c (x86_field_alignment): Likewise.
        * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
         Likewise.

        go/
        * go-backend.c (go_field_alignment): Adjust.

        libobjc/
        * encoding.c (objc_layout_structure_next_member): Adjust
        ADJUST_FIELD_ALIGN usage.

        Revert
        2017-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79256
        * targhooks.c (default_builtin_vector_alignment_reachable): Honor
        BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
        alignment on TYPE.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/config/arc/arc.h
    trunk/gcc/config/epiphany/epiphany.c
    trunk/gcc/config/epiphany/epiphany.h
    trunk/gcc/config/frv/frv.c
    trunk/gcc/config/frv/frv.h
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.h
    trunk/gcc/config/rs6000/aix.h
    trunk/gcc/config/rs6000/darwin.h
    trunk/gcc/config/rs6000/freebsd64.h
    trunk/gcc/config/rs6000/linux64.h
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/config/rs6000/sysv4.h
    trunk/gcc/doc/tm.texi
    trunk/gcc/doc/tm.texi.in
    trunk/gcc/go/ChangeLog
    trunk/gcc/go/go-backend.c
    trunk/gcc/stor-layout.c
    trunk/gcc/targhooks.c
    trunk/libobjc/ChangeLog
    trunk/libobjc/encoding.c

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