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| author | Richard Guenther <rguenther@suse.de> | 2010-07-08 10:51:46 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-07-08 10:51:46 +0000 |
| commit | 20ede5c64d71cb0fb25a445f93752c7e6e861dba (patch) | |
| tree | 4b2f3b444ba0daa29aed751a241ee827c39679dd /gcc/tree-vect-data-refs.c | |
| parent | 80edb36cfdf779f56fb5a5c001df4dfecaeb25b2 (diff) | |
| download | gcc-20ede5c64d71cb0fb25a445f93752c7e6e861dba.tar.gz | |
re PR tree-optimization/44861 (internal compiler error: in vectorizable_load, at tree-vect-stmts.c:3812)
2010-07-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/44861
* tree-vect-stmts.c (vectorizable_store): Preserve TBAA
information when building MEM_REFs.
(vectorizable_load): Likewise.
* tree-vect-data-refs.c (vect_setup_realignment): Likewise.
* g++.dg/vect/pr44861.cc: New testcase.
From-SVN: r161949
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index b8908aafa14..efd95a78acb 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -3466,6 +3466,7 @@ vect_setup_realignment (gimple stmt, gimple_stmt_iterator *gsi, stmt_vec_info stmt_info = vinfo_for_stmt (stmt); tree vectype = STMT_VINFO_VECTYPE (stmt_info); loop_vec_info loop_vinfo = STMT_VINFO_LOOP_VINFO (stmt_info); + struct data_reference *dr = STMT_VINFO_DATA_REF (stmt_info); struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo); edge pe; tree scalar_dest = gimple_assign_lhs (stmt); @@ -3574,7 +3575,9 @@ vect_setup_realignment (gimple stmt, gimple_stmt_iterator *gsi, gimple_assign_set_lhs (new_stmt, new_temp); new_bb = gsi_insert_on_edge_immediate (pe, new_stmt); gcc_assert (!new_bb); - data_ref = build_simple_mem_ref (new_temp); + data_ref + = build2 (MEM_REF, TREE_TYPE (vec_dest), new_temp, + build_int_cst (reference_alias_ptr_type (DR_REF (dr)), 0)); new_stmt = gimple_build_assign (vec_dest, data_ref); new_temp = make_ssa_name (vec_dest, new_stmt); gimple_assign_set_lhs (new_stmt, new_temp); |