# error "For now we only support 32- and 64-bit architectures."
# endif
-
-/* PERF: vectorize vs unroll */
-# ifdef __clang__
-# if 100*__clang_major__ + __clang_minor__ > 305
-# define UNROLL _Pragma("clang loop unroll(full)")
-# endif
-# endif
-
-# ifndef UNROLL
-# define UNROLL
-# endif
-
/*
* The plan on booleans: The external interface uses c448_bool_t, but this
* might be a different size than our particular arch's word_t (and thus