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;; Generic DFA-based pipeline description for RISC-V targets.
;; Copyright (C) 2011-2024 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,bitmanip,min,max,minu,maxu,clz,ctz,rotate,atomic,\
condmove,crypto,mvpair,zicond"))
"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,fcvt_i2f,fcvt_f2i,fmove,fcmp"))
"alu")
(define_insn_reservation "generic_branch" 1
(and (eq_attr "tune" "generic")
(eq_attr "type" "branch,jump,call,jalr,ret,trap"))
"alu")
(define_insn_reservation "generic_sfb_alu" 2
(and (eq_attr "tune" "generic")
(eq_attr "type" "sfb_alu"))
"alu")
(define_insn_reservation "generic_imul" 10
(and (eq_attr "tune" "generic")
(eq_attr "type" "imul,clmul,cpop"))
"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_half" 5
(and (eq_attr "tune" "generic")
(and (eq_attr "type" "fadd,fmul,fmadd")
(eq_attr "mode" "HF")))
"alu")
(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")
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