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| author | Dorit Naishlos <dorit@il.ibm.com> | 2004-11-30 13:19:54 +0000 |
|---|---|---|
| committer | Dorit Nuzman <dorit@gcc.gnu.org> | 2004-11-30 13:19:54 +0000 |
| commit | d75bf0cab42169239902ddadcdb4f35a3fd5a35d (patch) | |
| tree | d060cfed08727b698c904d1e568016ba783a57b5 /gcc | |
| parent | 9b09c842b5339a624677754bdadf377ccf944bf4 (diff) | |
| download | gcc-d75bf0cab42169239902ddadcdb4f35a3fd5a35d.zip gcc-d75bf0cab42169239902ddadcdb4f35a3fd5a35d.tar.gz gcc-d75bf0cab42169239902ddadcdb4f35a3fd5a35d.tar.bz2 | |
tree-vectorizer.c (vect_can_force_dr_alignment_p): Return false for decls that are assembled before vectorization takes place.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Return false for
decls that are assembled before vectorization takes place.
(vect_compute_data_ref_alignment): Set DECL_USER_ALIGN to 1.
From-SVN: r91517
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/tree-vectorizer.c | 5 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ff6a404..bade2ff 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-11-30 Dorit Naishlos <dorit@il.ibm.com> + + PR tree-opt/18173 + * tree-vectorizer.c (vect_can_force_dr_alignment_p): Return false for + decls that are assembled before vectorization takes place. + (vect_compute_data_ref_alignment): Set DECL_USER_ALIGN to 1. + 2004-11-30 Ulrich Weigand <uweigand@de.ibm.com> * passes.c (rest_of_handle_old_regalloc): Delete unreachable blocks diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 5773993..d476d81 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -1509,6 +1509,9 @@ vect_can_force_dr_alignment_p (tree decl, unsigned int alignment) if (DECL_EXTERNAL (decl)) return false; + if (TREE_ASM_WRITTEN (decl)) + return false; + if (TREE_STATIC (decl)) return (alignment <= MAX_OFILE_ALIGNMENT); else @@ -4130,7 +4133,7 @@ vect_compute_data_ref_alignment (struct data_reference *dr, if (vect_debug_details (NULL)) fprintf (dump_file, "force alignment"); DECL_ALIGN (base) = TYPE_ALIGN (vectype); - DECL_USER_ALIGN (base) = TYPE_ALIGN (vectype); + DECL_USER_ALIGN (base) = 1; } /* At this point we assume that the base is aligned, and the offset from it |