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Annotation of OpenXM/src/kan96xx/gmp-2.0.2-ssh-2/mpn/i960/mul_1.s, Revision 1.1

1.1     ! takayama    1: # I960 __mpn_mul_1 -- Multiply a limb vector with a limb and store
        !             2: # the result in a second limb vector.
        !             3:
        !             4: # Copyright (C) 1995 Free Software Foundation, Inc.
        !             5:
        !             6: # This file is part of the GNU MP Library.
        !             7:
        !             8: # The GNU MP Library is free software; you can redistribute it and/or modify
        !             9: # it under the terms of the GNU Library General Public License as published by
        !            10: # the Free Software Foundation; either version 2 of the License, or (at your
        !            11: # option) any later version.
        !            12:
        !            13: # The GNU MP Library is distributed in the hope that it will be useful, but
        !            14: # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            15: # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
        !            16: # License for more details.
        !            17:
        !            18: # You should have received a copy of the GNU Library General Public License
        !            19: # along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            20: # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            21: # MA 02111-1307, USA.
        !            22:
        !            23: .text
        !            24:        .align  4
        !            25:        .globl  ___mpn_mul_1
        !            26: ___mpn_mul_1:
        !            27:        subo    g2,0,g2
        !            28:        shlo    2,g2,g4
        !            29:        subo    g4,g1,g1
        !            30:        subo    g4,g0,g13
        !            31:        mov     0,g0
        !            32:
        !            33:        cmpo    1,0             # clear C bit on AC.cc
        !            34:
        !            35: Loop:  ld      (g1)[g2*4],g5
        !            36:        emul    g3,g5,g6
        !            37:
        !            38:        addc    g0,g6,g6        # relies on that C bit is clear
        !            39:        st      g6,(g13)[g2*4]
        !            40:        addc    0,g7,g0
        !            41:
        !            42:        addo    g2,1,g2
        !            43:        cmpobne 0,g2,Loop       # when branch is taken, clears C bit
        !            44:
        !            45:        ret