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 <rguent...@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 <rguent...@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
