diff options
| author | Richard Biener <rguenther@suse.de> | 2013-01-03 15:57:15 +0000 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2013-01-03 15:57:15 +0000 |
| commit | 16fbe9def7655838d012131f9e7e4107a3d4e576 (patch) | |
| tree | d49135cc8623932dc4a295fc416566797efa83be /gcc/tree-vect-stmts.c | |
| parent | 39a9f6e7bf166548797c7363cb2b2cb2a3d027a9 (diff) | |
2013-01-03 Richard Biener <rguenther@suse.de>
Revert
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.
2013-01-02 Richard Biener <rguenther@suse.de>
* tree-vect-stmts.c (vectorizable_load): When vectorizing an
invariant load do not generate a vector load from the scalar
location.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@194856 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vect-stmts.c')
| -rw-r--r-- | gcc/tree-vect-stmts.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index dfbce969fdb..1e8d7ee4401 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -4927,8 +4927,7 @@ 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 - && !integer_zerop (DR_STEP (dr))) + && !compute_in_loop) { msq = vect_setup_realignment (first_stmt, gsi, &realignment_token, alignment_support_scheme, NULL_TREE, @@ -4989,19 +4988,6 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt, /* Record the mapping between SSA_NAMEs and statements. */ vect_record_grouped_load_vectors (stmt, dr_chain); } - /* Handle invariant-load. */ - else if (inv_p && !bb_vinfo) - { - gimple_stmt_iterator gsi2 = *gsi; - gcc_assert (!grouped_load && !slp_perm); - gsi_next (&gsi2); - new_temp = vect_init_vector (stmt, scalar_dest, - vectype, &gsi2); - new_stmt = SSA_NAME_DEF_STMT (new_temp); - /* Store vector loads in the corresponding SLP_NODE. */ - if (slp) - SLP_TREE_VEC_STMTS (slp_node).quick_push (new_stmt); - } else { for (i = 0; i < vec_num; i++) @@ -5149,6 +5135,17 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt, } } + /* 4. Handle invariant-load. */ + if (inv_p && !bb_vinfo) + { + gimple_stmt_iterator gsi2 = *gsi; + gcc_assert (!grouped_load); + gsi_next (&gsi2); + new_temp = vect_init_vector (stmt, scalar_dest, + vectype, &gsi2); + new_stmt = SSA_NAME_DEF_STMT (new_temp); + } + if (negative) { tree perm_mask = perm_mask_for_reverse (vectype); |