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| author | Richard Biener <rguenther@suse.de> | 2017-02-07 11:29:06 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-02-07 11:29:06 +0000 |
| commit | a4cf4b647cd239cc57d88ed82f7243e7efdf43f5 (patch) | |
| tree | 9fc890de85ab3e01588ab9bf2c29333aec48c2bb /gcc/targhooks.c | |
| parent | 7af4b20d83a8ce3033148f0d14c2e725791a7afd (diff) | |
| download | gcc-a4cf4b647cd239cc57d88ed82f7243e7efdf43f5.zip gcc-a4cf4b647cd239cc57d88ed82f7243e7efdf43f5.tar.gz gcc-a4cf4b647cd239cc57d88ed82f7243e7efdf43f5.tar.bz2 | |
re PR tree-optimization/79256 (FAIL: gcc.dg/vect/pr25413a.c execution test)
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.
From-SVN: r245245
Diffstat (limited to 'gcc/targhooks.c')
| -rw-r--r-- | gcc/targhooks.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/gcc/targhooks.c b/gcc/targhooks.c index bf5d0d4..1cdec06 100644 --- a/gcc/targhooks.c +++ b/gcc/targhooks.c @@ -1130,14 +1130,9 @@ default_vector_alignment (const_tree type) /* By default assume vectors of element TYPE require a multiple of the natural alignment of TYPE. TYPE is naturally aligned if IS_PACKED is false. */ bool -default_builtin_vector_alignment_reachable (const_tree type, bool is_packed) +default_builtin_vector_alignment_reachable (const_tree /*type*/, bool is_packed) { - if (is_packed) - return false; - - /* If TYPE can be differently aligned in field context we have to punt - as TYPE may have wrong TYPE_ALIGN here (PR79278). */ - return min_align_of_type (CONST_CAST_TREE (type)) == TYPE_ALIGN_UNIT (type); + return ! is_packed; } /* By default, assume that a target supports any factor of misalignment |