;; Scheduling description for IBM PowerPC 476 processor. ;; Copyright (C) 2009-2021 Free Software Foundation, Inc. ;; Contributed by Peter Bergner (bergner@vnet.ibm.com). ;; ;; 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/.

;; PPC476 Embedded PowerPC controller ;; 3 issue (476) / 4 issue (476fp) ;; ;; i_pipe - complex integer / compare ;; lj_pipe - load-store / simple integer arithmetic ;; b_pipe - branch pipe ;; f_pipe - floating point arithmetic

(define_automaton “ppc476_core,ppc476_apu”)

(define_cpu_unit “ppc476_i_pipe,ppc476_lj_pipe,ppc476_b_pipe” “ppc476_core”) (define_cpu_unit “ppc476_issue_fp,ppc476_f_pipe” “ppc476_apu”) (define_cpu_unit “ppc476_issue_0,ppc476_issue_1,ppc476_issue_2” “ppc476_core”)

(define_reservation “ppc476_issue” “ppc476_issue_0|ppc476_issue_1|ppc476_issue_2”) (define_reservation “ppc476_issue2” “ppc476_issue_0+ppc476_issue_1
|ppc476_issue_0+ppc476_issue_2
|ppc476_issue_1+ppc476_issue_2”) (define_reservation “ppc476_issue3” “ppc476_issue_0+ppc476_issue_1+ppc476_issue_2”)

(define_insn_reservation “ppc476-load” 4 (and (eq_attr “type” “load,load_l,store_c,sync”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_lj_pipe”)

(define_insn_reservation “ppc476-store” 4 (and (eq_attr “type” “store”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_lj_pipe”)

(define_insn_reservation “ppc476-fpload” 4 (and (eq_attr “type” “fpload”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_lj_pipe”)

(define_insn_reservation “ppc476-fpstore” 4 (and (eq_attr “type” “fpstore”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_lj_pipe”)

(define_insn_reservation “ppc476-simple-integer” 1 (and (ior (eq_attr “type” “integer,insert”) (and (eq_attr “type” “add,logical,shift,exts”) (eq_attr “dot” “no”))) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_i_pipe|ppc476_lj_pipe”)

(define_insn_reservation “ppc476-complex-integer” 1 (and (eq_attr “type” “cmp,cr_logical,cntlz,isel,isync,sync,trap,popcnt”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_i_pipe”)

(define_insn_reservation “ppc476-compare” 4 (and (ior (eq_attr “type” “mfcr,mfcrf,mtcr,mfjmpr,mtjmpr”) (and (eq_attr “type” “add,logical,shift,exts”) (eq_attr “dot” “yes”))) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_i_pipe”)

(define_insn_reservation “ppc476-imul” 4 (and (eq_attr “type” “mul,halfmul”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_i_pipe”)

(define_insn_reservation “ppc476-idiv” 11 (and (eq_attr “type” “div”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_i_pipe*11”)

(define_insn_reservation “ppc476-branch” 1 (and (eq_attr “type” “branch,jmpreg”) (eq_attr “cpu” “ppc476”)) “ppc476_issue,
ppc476_b_pipe”)

(define_insn_reservation “ppc476-two” 2 (and (eq_attr “type” “two”) (eq_attr “cpu” “ppc476”)) “ppc476_issue2,
ppc476_i_pipe|ppc476_lj_pipe,
ppc476_i_pipe|ppc476_lj_pipe”)

(define_insn_reservation “ppc476-three” 3 (and (eq_attr “type” “three”) (eq_attr “cpu” “ppc476”)) “ppc476_issue3,
ppc476_i_pipe|ppc476_lj_pipe,
ppc476_i_pipe|ppc476_lj_pipe,
ppc476_i_pipe|ppc476_lj_pipe”)

(define_insn_reservation “ppc476-fpcompare” 6 (and (eq_attr “type” “fpcompare”) (eq_attr “cpu” “ppc476”)) “ppc476_issue+ppc476_issue_fp,
ppc476_f_pipe+ppc476_i_pipe”)

(define_insn_reservation “ppc476-fp” 6 (and (eq_attr “type” “fp,fpsimple,dmul”) (eq_attr “cpu” “ppc476”)) “ppc476_issue_fp,
ppc476_f_pipe”)

(define_insn_reservation “ppc476-sdiv” 19 (and (eq_attr “type” “sdiv”) (eq_attr “cpu” “ppc476”)) “ppc476_issue_fp, ppc476_f_pipe*19”)

(define_insn_reservation “ppc476-ddiv” 33 (and (eq_attr “type” “ddiv”) (eq_attr “cpu” “ppc476”)) “ppc476_issue_fp,
ppc476_f_pipe*33”)