;; Scheduler information for C-SKY CK803 processors. ;; Copyright (C) 2018-2021 Free Software Foundation, Inc. ;; Contributed by C-SKY Microsystems and Mentor Graphics. ;; ;; 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/. */

(define_automaton “ck803”)

(define_cpu_unit “ck803_ex1” “ck803”) (define_cpu_unit “ck803_exit” “ck803”)

(define_insn_reservation “ck803_3cycle” 1 (and (match_test “CSKY_TARGET_ARCH (CK803)”) (eq_attr “type” “alu,cmp,branch,branch_jmp,call_jsr,call”)) “ck803_ex1+ck803_exit”)

(define_insn_reservation “ck803_alu1” 1 (and (match_test “CSKY_TARGET_ARCH (CK803)”) (eq_attr “type” “addsub,alu_ix”)) “ck803_ex1+ck803_exit”)

(define_insn_reservation “ck803_cbranch” 1 (and (match_test “CSKY_TARGET_ARCH (CK803)”) (eq_attr “type” “cbranch”)) “ck803_ex1+ck803_exit”)

(define_insn_reservation “ck803_load” 1 (and (match_test “CSKY_TARGET_ARCH (CK803)”) (and (eq_attr “type” “load”) (match_test “!csky_minipool_load_p (insn)”))) “ck803_ex1+ck803_exit”)

(define_insn_reservation “ck803_pool” 1 (and (match_test “CSKY_TARGET_ARCH (CK803)”) (and (eq_attr “type” “load”) (match_test “csky_minipool_load_p (insn)”))) “ck803_ex1+ck803_exit”)

(define_insn_reservation “ck803_store” 1 (and (match_test “CSKY_TARGET_ARCH (CK803)”) (eq_attr “type” “store”)) “ck803_ex1+ck803_exit”)

;; Switching between constant pool loads and loads/stores in the data section ;; carries an extra penalty. (define_bypass 2 “ck803_load,ck803_store” “ck803_pool”) (define_bypass 2 “ck803_pool” “ck803_load,ck803_store”)

(define_bypass 2 “ck803_3cycle,ck803_cbranch,ck803_load,ck803_store,ck803_pool” “ck803_cbranch”)