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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-03 12:34:34 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-03 12:34:34 +0000 |
| commit | 59ff1f4af6c2cd84496c7722ff8290634745809d (patch) | |
| tree | 473846c2d8f4055af981fce9809e4eec4c75c2c2 /gcc/tree-vect-stmts.c | |
| parent | 6a06584c0c44975e5b555f0fc8532cbe4a8696f0 (diff) | |
| download | gcc-59ff1f4af6c2cd84496c7722ff8290634745809d.tar.gz | |
2013-01-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/55857
* tree-vect-stmts.c (vectorizable_load): Do not setup
re-alignment for invariant loads.
* gcc.dg/vect/pr55857-1.c: New testcase.
* gcc.dg/vect/pr55857-2.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194850 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vect-stmts.c')
| -rw-r--r-- | gcc/tree-vect-stmts.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index da9f12b5c8c..dfbce969fdb 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -4927,7 +4927,8 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt, if ((alignment_support_scheme == dr_explicit_realign_optimized || alignment_support_scheme == dr_explicit_realign) - && !compute_in_loop) + && !compute_in_loop + && !integer_zerop (DR_STEP (dr))) { msq = vect_setup_realignment (first_stmt, gsi, &realignment_token, alignment_support_scheme, NULL_TREE, |