;; Code and mode itertator and attribute definitions ;; of Andes NDS32 cpu for GNU compiler ;; Copyright (C) 2012-2021 Free Software Foundation, Inc. ;; Contributed by Andes Technology Corporation. ;; ;; This file is part of GCC. ;; ;; GCC is free software; you can redistribute it and/or modify it ;; under the terms of the GNU General Public License as published ;; by the Free Software Foundation; either version 3, or (at your ;; option) any later version. ;; ;; GCC is distributed in the hope that it will be useful, but WITHOUT ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ;; License for more details. ;; ;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; http://www.gnu.org/licenses/.

;;---------------------------------------------------------------------------- ;; Mode iterators. ;;----------------------------------------------------------------------------

;; A list of integer modes that are up to one word long. (define_mode_iterator QIHISI [QI HI SI])

;; A list of integer modes for one word and double word. (define_mode_iterator SIDI [SI DI])

;; A list of integer modes that are up to one half-word long. (define_mode_iterator QIHI [QI HI])

;; A list of the modes that are up to double-word long. (define_mode_iterator DIDF [DI DF])

;; A list of the modes that are up to one word long vector. (define_mode_iterator VQIHI [V4QI V2HI])

;; A list of the modes that are up to one word long vector ;; and scalar for varies mode. (define_mode_iterator VSHI [V2HI HI]) (define_mode_iterator VSQIHI [V4QI V2HI QI HI]) (define_mode_iterator VSQIHIDI [V4QI V2HI QI HI DI]) (define_mode_iterator VQIHIDI [V4QI V2HI DI])

;; A list of the modes that are up to double-word long. (define_mode_iterator ANYF [(SF “TARGET_FPU_SINGLE”) (DF “TARGET_FPU_DOUBLE”)])

;;---------------------------------------------------------------------------- ;; Mode attributes. ;;----------------------------------------------------------------------------

(define_mode_attr size [(QI “b”) (HI “h”) (SI “w”) (SF “s”) (DF “d”)])

(define_mode_attr byte [(QI “1”) (HI “2”) (SI “4”) (V4QI “4”) (V2HI “4”)])

(define_mode_attr bits [(V4QI “8”) (QI “8”) (V2HI “16”) (HI “16”) (DI “64”)])

(define_mode_attr VELT [(V4QI “QI”) (V2HI “HI”)])

;;---------------------------------------------------------------------------- ;; Code iterators. ;;----------------------------------------------------------------------------

;; shifts (define_code_iterator shift_rotate [ashift ashiftrt lshiftrt rotatert])

(define_code_iterator shifts [ashift ashiftrt lshiftrt])

(define_code_iterator shiftrt [ashiftrt lshiftrt])

(define_code_iterator sat_plus [ss_plus us_plus])

(define_code_iterator all_plus [plus ss_plus us_plus])

(define_code_iterator sat_minus [ss_minus us_minus])

(define_code_iterator all_minus [minus ss_minus us_minus])

(define_code_iterator plus_minus [plus minus])

(define_code_iterator extend [sign_extend zero_extend])

(define_code_iterator sumax [smax umax])

(define_code_iterator sumin [smin umin])

(define_code_iterator sumin_max [smax umax smin umin])

;;---------------------------------------------------------------------------- ;; Code attributes. ;;----------------------------------------------------------------------------

;; shifts (define_code_attr shift [(ashift “ashl”) (ashiftrt “ashr”) (lshiftrt “lshr”) (rotatert “rotr”)])

(define_code_attr su [(ashiftrt "") (lshiftrt “u”) (sign_extend “s”) (zero_extend “u”)])

(define_code_attr zs [(sign_extend “s”) (zero_extend “z”)])

(define_code_attr uk [(plus "") (ss_plus “k”) (us_plus “uk”) (minus "") (ss_minus “k”) (us_minus “uk”)])

(define_code_attr opcode [(plus “add”) (minus “sub”) (smax “smax”) (umax “umax”) (smin “smin”) (umin “umin”)])

(define_code_attr add_rsub [(plus “a”) (minus “rs”)])

(define_code_attr add_sub [(plus “a”) (minus “s”)])

;;----------------------------------------------------------------------------