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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-06-19 09:19:07 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-06-19 09:19:07 +0000 |
| commit | 5f8265c3d33fcfd221f1a0d63e64d170a3015ef3 (patch) | |
| tree | 50ce1b786fac32dde8a6998e7324b4ae3fbe9295 /gcc/tree-vect-data-refs.c | |
| parent | 161121a99b3fff74b0066f2a2d3bb9102ca55807 (diff) | |
| download | gcc-5f8265c3d33fcfd221f1a0d63e64d170a3015ef3.tar.gz | |
2012-06-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53708
* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve
user-supplied alignment and alignment of decls with the used
attribute.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188771 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 29dff45482b..e12fddceb66 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -4731,6 +4731,12 @@ vect_can_force_dr_alignment_p (const_tree decl, unsigned int alignment) if (TREE_ASM_WRITTEN (decl)) return false; + /* Do not override explicit alignment set by the user or the alignment + as specified by the ABI when the used attribute is set. */ + if (DECL_USER_ALIGN (decl) + || DECL_PRESERVE_P (decl)) + return false; + if (TREE_STATIC (decl)) return (alignment <= MAX_OFILE_ALIGNMENT); else |