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;; Scheduling description for Motorola PowerPC processor cores.
;; Copyright (C) 2003-2018 Free Software Foundation, Inc.
;;
;; 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 "mpc,mpcfp")
(define_cpu_unit "iu_mpc,mciu_mpc" "mpc")
(define_cpu_unit "fpu_mpc" "mpcfp")
(define_cpu_unit "lsu_mpc,bpu_mpc" "mpc")
;; MPCCORE 32-bit SCIU, MCIU, LSU, FPU, BPU
;; 505/801/821/823
(define_insn_reservation "mpccore-load" 2
(and (eq_attr "type" "load,load_l,store_c,sync")
(eq_attr "cpu" "mpccore"))
"lsu_mpc")
(define_insn_reservation "mpccore-store" 2
(and (eq_attr "type" "store,fpstore")
(eq_attr "cpu" "mpccore"))
"lsu_mpc")
(define_insn_reservation "mpccore-fpload" 2
(and (eq_attr "type" "fpload")
(eq_attr "cpu" "mpccore"))
"lsu_mpc")
(define_insn_reservation "mpccore-integer" 1
(and (ior (eq_attr "type" "integer,insert,trap,cntlz,isel")
(and (eq_attr "type" "add,logical,shift,exts")
(eq_attr "dot" "no")))
(eq_attr "cpu" "mpccore"))
"iu_mpc")
(define_insn_reservation "mpccore-two" 1
(and (eq_attr "type" "two")
(eq_attr "cpu" "mpccore"))
"iu_mpc,iu_mpc")
(define_insn_reservation "mpccore-three" 1
(and (eq_attr "type" "three")
(eq_attr "cpu" "mpccore"))
"iu_mpc,iu_mpc,iu_mpc")
(define_insn_reservation "mpccore-imul" 2
(and (eq_attr "type" "mul")
(eq_attr "cpu" "mpccore"))
"mciu_mpc")
; Divide latency varies greatly from 2-11, use 6 as average
(define_insn_reservation "mpccore-idiv" 6
(and (eq_attr "type" "div")
(eq_attr "cpu" "mpccore"))
"mciu_mpc*6")
(define_insn_reservation "mpccore-compare" 3
(and (ior (eq_attr "type" "cmp")
(and (eq_attr "type" "add,logical,shift,exts")
(eq_attr "dot" "yes")))
(eq_attr "cpu" "mpccore"))
"iu_mpc,nothing,bpu_mpc")
(define_insn_reservation "mpccore-fpcompare" 2
(and (eq_attr "type" "fpcompare")
(eq_attr "cpu" "mpccore"))
"fpu_mpc,bpu_mpc")
(define_insn_reservation "mpccore-fp" 4
(and (eq_attr "type" "fp,fpsimple")
(eq_attr "cpu" "mpccore"))
"fpu_mpc*2")
(define_insn_reservation "mpccore-dmul" 5
(and (eq_attr "type" "dmul")
(eq_attr "cpu" "mpccore"))
"fpu_mpc*5")
(define_insn_reservation "mpccore-sdiv" 10
(and (eq_attr "type" "sdiv")
(eq_attr "cpu" "mpccore"))
"fpu_mpc*10")
(define_insn_reservation "mpccore-ddiv" 17
(and (eq_attr "type" "ddiv")
(eq_attr "cpu" "mpccore"))
"fpu_mpc*17")
(define_insn_reservation "mpccore-mtjmpr" 4
(and (eq_attr "type" "mtjmpr,mfjmpr")
(eq_attr "cpu" "mpccore"))
"bpu_mpc")
(define_insn_reservation "mpccore-jmpreg" 1
(and (eq_attr "type" "jmpreg,branch,cr_logical,mfcr,mtcr,isync")
(eq_attr "cpu" "mpccore"))
"bpu_mpc")
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