;; Scheduling description for IBM PowerPC 403 and PowerPC 405  processors.
;;   Copyright (C) 2003-2026 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 "ppc40x,ppc40xiu")
(define_cpu_unit "bpu_40x,fpu_405" "ppc40x")
(define_cpu_unit "iu_40x" "ppc40xiu")

;; PPC401 / PPC403 / PPC405 32-bit integer only  IU BPU
;; Embedded PowerPC controller
;; In-order execution
;; Max issue two insns/cycle (includes one branch)
(define_insn_reservation "ppc403-load" 2
  (and (eq_attr "type" "load,load_l,store_c,sync")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-store" 2
  (and (eq_attr "type" "store")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-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" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-two" 1
  (and (eq_attr "type" "two")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x,iu_40x")

(define_insn_reservation "ppc403-three" 1
  (and (eq_attr "type" "three")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x,iu_40x,iu_40x")

(define_insn_reservation "ppc403-compare" 3
  (and (ior (eq_attr "type" "cmp")
	    (and (eq_attr "type" "add,logical,shift,exts")
		 (eq_attr "dot" "yes")))
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x,nothing,bpu_40x")

(define_insn_reservation "ppc403-imul" 4
  (and (eq_attr "type" "mul")
       (eq_attr "cpu" "ppc403"))
  "iu_40x*4")

(define_insn_reservation "ppc405-imul" 5
  (and (eq_attr "type" "mul")
       (eq_attr "size" "32")
       (eq_attr "cpu" "ppc405"))
  "iu_40x*4")

(define_insn_reservation "ppc405-imul2" 3
  (and (eq_attr "type" "mul")
       (eq_attr "size" "16")
       (eq_attr "cpu" "ppc405"))
  "iu_40x*2")

(define_insn_reservation "ppc405-imul3" 2
  (and (ior (eq_attr "type" "halfmul")
	    (and (eq_attr "type" "mul")
		 (eq_attr "size" "8")))
       (eq_attr "cpu" "ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-idiv" 33
  (and (eq_attr "type" "div")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x*33")

(define_insn_reservation "ppc403-mfcr" 2
  (and (eq_attr "type" "mfcr")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-mtcr" 3
  (and (eq_attr "type" "mtcr")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-mtjmpr" 4
  (and (eq_attr "type" "mtjmpr")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-mfjmpr" 2
  (and (eq_attr "type" "mfjmpr")
       (eq_attr "cpu" "ppc403,ppc405"))
  "iu_40x")

(define_insn_reservation "ppc403-jmpreg" 1
  (and (eq_attr "type" "jmpreg,branch,isync")
       (eq_attr "cpu" "ppc403,ppc405"))
  "bpu_40x")

(define_insn_reservation "ppc403-cr" 2
  (and (eq_attr "type" "cr_logical")
       (eq_attr "cpu" "ppc403,ppc405"))
  "bpu_40x")

(define_insn_reservation "ppc405-float" 11
  (and (eq_attr "type" "fpload,fpstore,fpcompare,fp,fpsimple,dmul,sdiv,ddiv")
       (eq_attr "cpu" "ppc405"))
  "fpu_405*10")
