1117395Skan;; Scheduling description for SuperSPARC. 2117395Skan;; Copyright (C) 2002 Free Software Foundation, Inc. 3117395Skan;; 4132718Skan;; This file is part of GCC. 5117395Skan;; 6132718Skan;; GCC is free software; you can redistribute it and/or modify 7117395Skan;; it under the terms of the GNU General Public License as published by 8117395Skan;; the Free Software Foundation; either version 2, or (at your option) 9117395Skan;; any later version. 10117395Skan;; 11132718Skan;; GCC is distributed in the hope that it will be useful, 12117395Skan;; but WITHOUT ANY WARRANTY; without even the implied warranty of 13117395Skan;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14117395Skan;; GNU General Public License for more details. 15117395Skan;; 16117395Skan;; You should have received a copy of the GNU General Public License 17132718Skan;; along with GCC; see the file COPYING. If not, write to 18169689Skan;; the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19169689Skan;; Boston, MA 02110-1301, USA. 20117395Skan 21117395Skan;; The SuperSPARC is a tri-issue, which was considered quite parallel 22117395Skan;; at the time it was released. Much like UltraSPARC-I and UltraSPARC-II 23117395Skan;; there are two integer units but only one of them may take shifts. 24117395Skan;; 25117395Skan;; ??? If SuperSPARC has the same slotting rules as ultrasparc for these 26117395Skan;; ??? shifts, we should model that. 27117395Skan 28117395Skan(define_automaton "supersparc_0,supersparc_1") 29117395Skan 30117395Skan(define_cpu_unit "ss_memory, ss_shift, ss_iwport0, ss_iwport1" "supersparc_0") 31117395Skan(define_cpu_unit "ss_fpalu" "supersparc_0") 32117395Skan(define_cpu_unit "ss_fpmds" "supersparc_1") 33117395Skan 34117395Skan(define_reservation "ss_iwport" "(ss_iwport0 | ss_iwport1)") 35117395Skan 36117395Skan(define_insn_reservation "ss_iuload" 1 37117395Skan (and (eq_attr "cpu" "supersparc") 38117395Skan (eq_attr "type" "load,sload")) 39117395Skan "ss_memory") 40117395Skan 41117395Skan;; Ok, fpu loads deliver the result in zero cycles. But we 42117395Skan;; have to show the ss_memory reservation somehow, thus... 43117395Skan(define_insn_reservation "ss_fpload" 0 44117395Skan (and (eq_attr "cpu" "supersparc") 45117395Skan (eq_attr "type" "fpload")) 46117395Skan "ss_memory") 47117395Skan 48117395Skan(define_bypass 0 "ss_fpload" "ss_fp_alu,ss_fp_mult,ss_fp_divs,ss_fp_divd,ss_fp_sqrt") 49117395Skan 50117395Skan(define_insn_reservation "ss_store" 1 51117395Skan (and (eq_attr "cpu" "supersparc") 52117395Skan (eq_attr "type" "store,fpstore")) 53117395Skan "ss_memory") 54117395Skan 55117395Skan(define_insn_reservation "ss_ialu_shift" 1 56117395Skan (and (eq_attr "cpu" "supersparc") 57117395Skan (eq_attr "type" "shift")) 58117395Skan "ss_shift + ss_iwport") 59117395Skan 60117395Skan(define_insn_reservation "ss_ialu_any" 1 61117395Skan (and (eq_attr "cpu" "supersparc") 62117395Skan (eq_attr "type" "load,sload,store,shift,ialu")) 63117395Skan "ss_iwport") 64117395Skan 65117395Skan(define_insn_reservation "ss_fp_alu" 3 66117395Skan (and (eq_attr "cpu" "supersparc") 67117395Skan (eq_attr "type" "fp,fpmove,fpcmp")) 68117395Skan "ss_fpalu, nothing*2") 69117395Skan 70117395Skan(define_insn_reservation "ss_fp_mult" 3 71117395Skan (and (eq_attr "cpu" "supersparc") 72117395Skan (eq_attr "type" "fpmul")) 73117395Skan "ss_fpmds, nothing*2") 74117395Skan 75117395Skan(define_insn_reservation "ss_fp_divs" 6 76117395Skan (and (eq_attr "cpu" "supersparc") 77117395Skan (eq_attr "type" "fpdivs")) 78117395Skan "ss_fpmds*4, nothing*2") 79117395Skan 80117395Skan(define_insn_reservation "ss_fp_divd" 9 81117395Skan (and (eq_attr "cpu" "supersparc") 82117395Skan (eq_attr "type" "fpdivd")) 83117395Skan "ss_fpmds*7, nothing*2") 84117395Skan 85117395Skan(define_insn_reservation "ss_fp_sqrt" 12 86117395Skan (and (eq_attr "cpu" "supersparc") 87117395Skan (eq_attr "type" "fpsqrts,fpsqrtd")) 88117395Skan "ss_fpmds*10, nothing*2") 89117395Skan 90117395Skan(define_insn_reservation "ss_imul" 4 91117395Skan (and (eq_attr "cpu" "supersparc") 92117395Skan (eq_attr "type" "imul")) 93117395Skan "ss_fpmds*4") 94