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;; Generic DFA-based pipeline description for RISC-V targets.
;; Copyright (C) 2011-2019 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
(eq_attr "type" "unknown,const,arith,shift,slt,multi,nop,logical,move")
"alu")
(define_insn_reservation "generic_load" 3
(eq_attr "type" "load,fpload")
"alu")
(define_insn_reservation "generic_store" 1
(eq_attr "type" "store,fpstore")
"alu")
(define_insn_reservation "generic_xfer" 3
(eq_attr "type" "mfc,mtc,fcvt,fmove,fcmp")
"alu")
(define_insn_reservation "generic_branch" 1
(eq_attr "type" "branch,jump,call")
"alu")
(define_insn_reservation "generic_imul" 10
(eq_attr "type" "imul")
"imuldiv*10")
(define_insn_reservation "generic_idivsi" 34
(and (eq_attr "type" "idiv")
(eq_attr "mode" "SI"))
"imuldiv*34")
(define_insn_reservation "generic_idivdi" 66
(and (eq_attr "type" "idiv")
(eq_attr "mode" "DI"))
"imuldiv*66")
(define_insn_reservation "generic_fmul_single" 5
(and (eq_attr "type" "fadd,fmul,fmadd")
(eq_attr "mode" "SF"))
"alu")
(define_insn_reservation "generic_fmul_double" 7
(and (eq_attr "type" "fadd,fmul,fmadd")
(eq_attr "mode" "DF"))
"alu")
(define_insn_reservation "generic_fdiv" 20
(eq_attr "type" "fdiv")
"fdivsqrt*20")
(define_insn_reservation "generic_fsqrt" 25
(eq_attr "type" "fsqrt")
"fdivsqrt*25")
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