;; Generic DFA-based pipeline description for RISC-V targets. ;; Copyright (C) 2011-2021 Free Software Foundation, Inc. ;; Contributed by Andrew Waterman (andrew@sifive.com). ;; Based on MIPS target for GNU compiler.

;; 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 “pipe0”) (define_cpu_unit “alu” “pipe0”) (define_cpu_unit “imuldiv” “pipe0”) (define_cpu_unit “fdivsqrt” “pipe0”)

(define_insn_reservation “generic_alu” 1 (and (eq_attr “tune” “generic”) (eq_attr “type” “unknown,const,arith,shift,slt,multi,auipc,nop,logical,move”)) “alu”)

(define_insn_reservation “generic_load” 3 (and (eq_attr “tune” “generic”) (eq_attr “type” “load,fpload”)) “alu”)

(define_insn_reservation “generic_store” 1 (and (eq_attr “tune” “generic”) (eq_attr “type” “store,fpstore”)) “alu”)

(define_insn_reservation “generic_xfer” 3 (and (eq_attr “tune” “generic”) (eq_attr “type” “mfc,mtc,fcvt,fmove,fcmp”)) “alu”)

(define_insn_reservation “generic_branch” 1 (and (eq_attr “tune” “generic”) (eq_attr “type” “branch,jump,call”)) “alu”)

(define_insn_reservation “generic_imul” 10 (and (eq_attr “tune” “generic”) (eq_attr “type” “imul”)) “imuldiv*10”)

(define_insn_reservation “generic_idivsi” 34 (and (eq_attr “tune” “generic”) (and (eq_attr “type” “idiv”) (eq_attr “mode” “SI”))) “imuldiv*34”)

(define_insn_reservation “generic_idivdi” 66 (and (eq_attr “tune” “generic”) (and (eq_attr “type” “idiv”) (eq_attr “mode” “DI”))) “imuldiv*66”)

(define_insn_reservation “generic_fmul_single” 5 (and (eq_attr “tune” “generic”) (and (eq_attr “type” “fadd,fmul,fmadd”) (eq_attr “mode” “SF”))) “alu”)

(define_insn_reservation “generic_fmul_double” 7 (and (eq_attr “tune” “generic”) (and (eq_attr “type” “fadd,fmul,fmadd”) (eq_attr “mode” “DF”))) “alu”)

(define_insn_reservation “generic_fdiv” 20 (and (eq_attr “tune” “generic”) (eq_attr “type” “fdiv”)) “fdivsqrt*20”)

(define_insn_reservation “generic_fsqrt” 25 (and (eq_attr “tune” “generic”) (eq_attr “type” “fsqrt”)) “fdivsqrt*25”)