52 lines
1.7 KiB
Markdown
52 lines
1.7 KiB
Markdown
;; Scheduling description for SPARC Cypress.
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;; Copyright (C) 2002 Free Software Foundation, Inc.
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;;
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;; This file is part of GNU CC.
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;;
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;; GNU CC is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;;
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;; GNU CC is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU CC; see the file COPYING. If not, write to
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;; the Free Software Foundation, 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;; The Cypress is a pretty simple single-issue processor.
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(define_automaton "cypress_0,cypress_1")
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(define_cpu_unit "cyp_memory, cyp_fpalu" "cypress_0")
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(define_cpu_unit "cyp_fpmds" "cypress_1")
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(define_insn_reservation "cyp_load" 2
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(and (eq_attr "cpu" "cypress")
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(eq_attr "type" "load,sload,fpload"))
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"cyp_memory, nothing")
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(define_insn_reservation "cyp_fp_alu" 5
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(and (eq_attr "cpu" "cypress")
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(eq_attr "type" "fp,fpmove"))
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"cyp_fpalu, nothing*3")
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(define_insn_reservation "cyp_fp_mult" 7
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(and (eq_attr "cpu" "cypress")
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(eq_attr "type" "fpmul"))
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"cyp_fpmds, nothing*5")
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(define_insn_reservation "cyp_fp_div" 37
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(and (eq_attr "cpu" "cypress")
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(eq_attr "type" "fpdivs,fpdivd"))
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"cyp_fpmds, nothing*35")
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(define_insn_reservation "cyp_fp_sqrt" 63
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(and (eq_attr "cpu" "cypress")
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(eq_attr "type" "fpsqrts,fpsqrtd"))
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"cyp_fpmds, nothing*61")
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