On 10/23/2017 11:32 AM, Richard Sandiford wrote: > This patch makes tree-vect-generic.c cope with variable-length vectors. > Decomposition is only supported for constant-length vectors, since we > should never generate unsupported variable-length operations. > > > 2017-10-23 Richard Sandiford <richard.sandif...@linaro.org> > Alan Hayward <alan.hayw...@arm.com> > David Sherwood <david.sherw...@arm.com> > > gcc/ > * tree-vect-generic.c (nunits_for_known_piecewise_op): New function. > (expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS. > (expand_vector_addition, add_rshift, expand_vector_divmod): Likewise. > (expand_vector_condition, vector_element): Likewise. > (subparts_gt): New function. > (get_compute_type): Use subparts_gt. > (count_type_subparts): Delete. > (expand_vector_operations_1): Use subparts_gt instead of > count_type_subparts. OK. jeff
