;; Scheduling description for Motorola PowerPC processor cores. ;; Copyright (C) 2003 Free Software Foundation, Inc. ;; ;; This file is part of GNU CC. ;; ;; GNU CC 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 2, or (at your option) ;; any later version. ;; ;; GNU CC 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 GNU CC; see the file COPYING. If not, write to ;; the Free Software Foundation, 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. (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_ext,load_ext_u,load_ext_ux,load_ux,load_u") (eq_attr "cpu" "mpccore")) "lsu_mpc") (define_insn_reservation "mpccore-store" 1 (and (eq_attr "type" "store,store_ux,store_u,fpstore,fpstore_ux,fpstore_u") (eq_attr "cpu" "mpccore")) "lsu_mpc") (define_insn_reservation "mpccore-fpload" 2 (and (eq_attr "type" "fpload,fpload_ux,fpload_u") (eq_attr "cpu" "mpccore")) "lsu_mpc") (define_insn_reservation "mpccore-integer" 1 (and (eq_attr "type" "integer") (eq_attr "cpu" "mpccore")) "iu_mpc") (define_insn_reservation "mpccore-imul" 2 (and (eq_attr "type" "imul,imul2,imul3,imul_compare") (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" "idiv") (eq_attr "cpu" "mpccore")) "mciu_mpc*6") (define_insn_reservation "mpccore-compare" 3 (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare") (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") (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") (eq_attr "cpu" "mpccore")) "bpu_mpc") (define_insn_reservation "mpccore-jmpreg" 1 (and (eq_attr "type" "jmpreg,branch,cr_logical,delayed_cr,mfcr,mtcr") (eq_attr "cpu" "mpccore")) "bpu_mpc")