Subversion Repositories open8_urisc

; Copyright 2011 Free Software Foundation, Inc.

;

; Contributed by Red Hat Inc;

;

; This file is part of the GNU Binutils.

;

; This program 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 of the License, or

; (at your option) any later version.

;

; This program 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 this program; if not, write to the Free Software

; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

; MA 02110-1301, USA.

; Insns introduced for the MeP-h1 core

;

(dnci stcb_r "store in control bus space" (VOLATILE (MACH h1))

     "stcb $rn,($rma)"

     (+ MAJ_7 rn rma (f-sub4 12))

     (c-call VOID "do_stcb" rn (and rma #xffff))

     ((mep (unit u-use-gpr (in usereg rn))

           (unit u-use-gpr (in usereg rma))

           (unit u-exec)

           (unit u-stcb))))

(dnci ldcb_r "load from control bus space" (VOLATILE (MACH h1) (LATENCY 3))

     "ldcb $rn,($rma)"

     (+ MAJ_7 rn rma (f-sub4 13))

     (set rn (c-call SI "do_ldcb" (and rma #xffff)))

      ((mep (unit u-use-gpr (in usereg rma))

            (unit u-ldcb)

            (unit u-exec)

            (unit u-ldcb-gpr (out loadreg rn)))))

(dnci pref "cache prefetch" ((MACH h1) VOLATILE)

     "pref $cimm4,($rma)"

     (+ MAJ_7 cimm4 rma (f-sub4 5))

     (sequence ()

               (c-call VOID "check_option_dcache" pc)

               (c-call VOID "do_cache_prefetch" cimm4 rma pc))

     ((mep (unit u-use-gpr (in usereg rma))

           (unit u-exec))))