On Fri, 2018-02-09 at 17:58 +0000, Richard Sandiford wrote: > > OK, so is this in aarch64_builtin_vectorized_function? to_constant > isn't valid there because the code isn't specific to Advanced SIMD. > The way to check for V2xx is: > > known_eq (TYPE_VECTOR_SUBPARTS (...), 2U) > > Thanks, > Richard
It is in aarch64_builtin_vectorized (actually in a new function called from there). What I am using right now to limit myself to V2DF is: /* We only handle single argument V2DF functions for now. */ el_mode = TYPE_MODE (TREE_TYPE (type_out)); in_mode = TYPE_MODE (TREE_TYPE (type_in)); if (el_mode != in_mode || el_mode != DFmode) return NULL_TREE; if (!TYPE_VECTOR_SUBPARTS (type_out).is_constant (&n) || !TYPE_VECTOR_SUBPARTS (type_in).is_constant (&in_n)) return NULL_TREE; if (n != in_n || n != 2) return NULL_TREE; Steve Ellcey sell...@cavium.com
