diff options
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index d7d9f25..0008116 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -1937,7 +1937,7 @@ vect_do_peeling_for_loop_bound (loop_vec_info loop_vinfo, tree *ratio, If the misalignment of DR is known at compile time: addr_mis = int mis = DR_MISALIGNMENT (dr); Else, compute address misalignment in bytes: - addr_mis = addr & (vectype_size - 1) + addr_mis = addr & (vectype_align - 1) prolog_niters = min (LOOP_NITERS, ((VF - addr_mis/elem_size)&(VF-1))/step) @@ -1991,9 +1991,10 @@ vect_gen_niters_for_prolog_loop (loop_vec_info loop_vinfo, tree loop_niters) tree start_addr = vect_create_addr_base_for_vector_ref (dr_stmt, &new_stmts, offset, loop); tree type = unsigned_type_for (TREE_TYPE (start_addr)); - tree vectype_size_minus_1 = build_int_cst (type, vectype_align - 1); - tree elem_size_log = - build_int_cst (type, exact_log2 (vectype_align/nelements)); + tree vectype_align_minus_1 = build_int_cst (type, vectype_align - 1); + HOST_WIDE_INT elem_size = + int_cst_value (TYPE_SIZE_UNIT (TREE_TYPE (vectype))); + tree elem_size_log = build_int_cst (type, exact_log2 (elem_size)); tree nelements_minus_1 = build_int_cst (type, nelements - 1); tree nelements_tree = build_int_cst (type, nelements); tree byte_misalign; @@ -2002,10 +2003,10 @@ vect_gen_niters_for_prolog_loop (loop_vec_info loop_vinfo, tree loop_niters) new_bb = gsi_insert_seq_on_edge_immediate (pe, new_stmts); gcc_assert (!new_bb); - /* Create: byte_misalign = addr & (vectype_size - 1) */ + /* Create: byte_misalign = addr & (vectype_align - 1) */ byte_misalign = fold_build2 (BIT_AND_EXPR, type, fold_convert (type, start_addr), - vectype_size_minus_1); + vectype_align_minus_1); /* Create: elem_misalign = byte_misalign / element_size */ elem_misalign = |