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;; Scheduling description for Niagara-2.
;; Copyright (C) 2007 Free Software Foundation, Inc.
;;
;; 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/>.
;; Niagara-2 is a single-issue processor.
(define_automaton "niagara2_0")
(define_cpu_unit "niag2_pipe" "niagara2_0")
(define_insn_reservation "niag2_25cycle" 25
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "flushw"))
"niag2_pipe*25")
(define_insn_reservation "niag2_5cycle" 5
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "multi,flushw,iflush,trap"))
"niag2_pipe*5")
(define_insn_reservation "niag2_6cycle" 4
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "savew"))
"niag2_pipe*4")
/* Most basic operations are single-cycle. */
(define_insn_reservation "niag2_ialu" 1
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "ialu,shift,compare,cmove"))
"niag2_pipe")
(define_insn_reservation "niag2_imul" 5
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "imul"))
"niag2_pipe*5")
(define_insn_reservation "niag2_idiv" 31
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "idiv"))
"niag2_pipe*31")
(define_insn_reservation "niag2_branch" 5
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "call,sibcall,call_no_delay_slot,uncond_branch,branch"))
"niag2_pipe*5")
(define_insn_reservation "niag2_3cycle_load" 3
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "load,fpload"))
"niag2_pipe*3")
(define_insn_reservation "niag2_1cycle_store" 1
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "store,fpstore"))
"niag2_pipe")
(define_insn_reservation "niag2_fp" 3
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "fpmove,fpcmove,fpcrmove,fpcmp,fpmul"))
"niag2_pipe*3")
(define_insn_reservation "niag2_fdivs" 19
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "fpdivs"))
"niag2_pipe*19")
(define_insn_reservation "niag2_fdivd" 33
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "fpdivd"))
"niag2_pipe*33")
(define_insn_reservation "niag2_vis" 6
(and (eq_attr "cpu" "niagara2")
(eq_attr "type" "fga,fgm_pack,fgm_mul,fgm_cmp,fgm_pdist"))
"niag2_pipe*6")
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