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| author | Richard Biener <rguenther@suse.de> | 2017-01-30 13:52:44 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-01-30 13:52:44 +0000 |
| commit | fcc216ec44d7403368285c045846d4419b631cb5 (patch) | |
| tree | 5d4c8a4d888816010dd37f924c0f8f1dbb1bf95a | |
| parent | 1dd9523917189b741af87cc3fbb853c30d7773f5 (diff) | |
| download | gcc-fcc216ec44d7403368285c045846d4419b631cb5.zip gcc-fcc216ec44d7403368285c045846d4419b631cb5.tar.gz gcc-fcc216ec44d7403368285c045846d4419b631cb5.tar.bz2 | |
re PR tree-optimization/79256 (FAIL: gcc.dg/vect/pr25413a.c execution test)
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.
* tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
From-SVN: r245025
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/targhooks.c | 9 | ||||
| -rw-r--r-- | gcc/tree.c | 1 |
3 files changed, 16 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 30b0785..96a210e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +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. + * tree.c (build_aligned_type): Set TYPE_USER_ALIGN. + 2017-01-30 Dominik Vogt <vogt@linux.vnet.ibm.com> PR target/79240 diff --git a/gcc/targhooks.c b/gcc/targhooks.c index 1cdec06..bf5d0d4 100644 --- a/gcc/targhooks.c +++ b/gcc/targhooks.c @@ -1130,9 +1130,14 @@ 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) { - return ! 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); } /* By default, assume that a target supports any factor of misalignment @@ -6684,6 +6684,7 @@ build_aligned_type (tree type, unsigned int align) t = build_variant_type_copy (type); SET_TYPE_ALIGN (t, align); + TYPE_USER_ALIGN (t) = 1; return t; } |