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      1 ;; Scheduling description for SPARC Cypress.
      2 ;;   Copyright (C) 2002-2022 Free Software Foundation, Inc.
      3 ;;
      4 ;; This file is part of GCC.
      5 ;;
      6 ;; GCC is free software; you can redistribute it and/or modify
      7 ;; it under the terms of the GNU General Public License as published by
      8 ;; the Free Software Foundation; either version 3, or (at your option)
      9 ;; any later version.
     10 ;;
     11 ;; GCC is distributed in the hope that it will be useful,
     12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 ;; GNU General Public License for more details.
     15 ;;
     16 ;; You should have received a copy of the GNU General Public License
     17 ;; along with GCC; see the file COPYING3.  If not see
     18 ;; <http://www.gnu.org/licenses/>.
     19 
     20 ;; The Cypress is a pretty simple single-issue processor.
     21 
     22 (define_automaton "cypress_0,cypress_1")
     23 
     24 (define_cpu_unit "cyp_memory, cyp_fpalu" "cypress_0")
     25 (define_cpu_unit "cyp_fpmds" "cypress_1")
     26 
     27 (define_insn_reservation "cyp_load" 2
     28   (and (eq_attr "cpu" "cypress")
     29     (eq_attr "type" "load,sload,fpload"))
     30   "cyp_memory, nothing")
     31 
     32 (define_insn_reservation "cyp_fp_alu" 5
     33   (and (eq_attr "cpu" "cypress")
     34     (eq_attr "type" "fp,fpmove"))
     35   "cyp_fpalu, nothing*3")
     36 
     37 (define_insn_reservation "cyp_fp_mult" 7
     38   (and (eq_attr "cpu" "cypress")
     39     (eq_attr "type" "fpmul"))
     40   "cyp_fpmds, nothing*5")
     41 
     42 (define_insn_reservation "cyp_fp_div" 37
     43   (and (eq_attr "cpu" "cypress")
     44     (eq_attr "type" "fpdivs,fpdivd"))
     45   "cyp_fpmds, nothing*35")
     46 
     47 (define_insn_reservation "cyp_fp_sqrt" 63
     48   (and (eq_attr "cpu" "cypress")
     49     (eq_attr "type" "fpsqrts,fpsqrtd"))
     50   "cyp_fpmds, nothing*61")
     51