@@ -4629,12 +4629,15 @@ vect_get_new_ssa_name (tree type, enum vect_var_kind var_kind, const char *name)
return new_vect_var;
}
-/* Duplicate ptr info and set alignment/misaligment on NAME from DR_INFO. */
+/* Duplicate points-to info on NAME from DR_INFO. */
static void
vect_duplicate_ssa_name_ptr_info (tree name, dr_vec_info *dr_info)
{
duplicate_ssa_name_ptr_info (name, DR_PTR_INFO (dr_info->dr));
+ /* DR_PTR_INFO is for a base SSA name, not including constant or
+ variable offsets in the ref so its alignment info does not apply. */
+ mark_ptr_info_alignment_unknown (SSA_NAME_PTR_INFO (name));
}
/* Function vect_create_addr_base_for_vector_ref.
@@ -4738,11 +4741,7 @@ vect_create_addr_base_for_vector_ref (vec_info *vinfo, stmt_vec_info stmt_info,
if (DR_PTR_INFO (dr)
&& TREE_CODE (addr_base) == SSA_NAME
&& !SSA_NAME_PTR_INFO (addr_base))
- {
- vect_duplicate_ssa_name_ptr_info (addr_base, dr_info);
- if (offset || byte_offset)
- mark_ptr_info_alignment_unknown (SSA_NAME_PTR_INFO (addr_base));
- }
+ vect_duplicate_ssa_name_ptr_info (addr_base, dr_info);
if (dump_enabled_p ())
dump_printf_loc (MSG_NOTE, vect_location, "created %T\n", addr_base);