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Annotation of OpenXM_contrib/gmp/mpn/powerpc64/copyd.asm, Revision 1.1

1.1     ! maekawa     1: # PowerPC-64 mpn_copyd -- Copy a limb vector.
        !             2:
        !             3: # Copyright (C) 1999, 2000 Free Software Foundation, Inc.
        !             4:
        !             5: # This file is part of the GNU MP Library.
        !             6:
        !             7: # The GNU MP Library is free software; you can redistribute it and/or modify
        !             8: # it under the terms of the GNU Lesser General Public License as published by
        !             9: # the Free Software Foundation; either version 2.1 of the License, or (at your
        !            10: # option) any later version.
        !            11:
        !            12: # The GNU MP Library is distributed in the hope that it will be useful, but
        !            13: # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14: # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            15: # License for more details.
        !            16:
        !            17: # You should have received a copy of the GNU Lesser General Public License
        !            18: # along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            19: # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            20: # MA 02111-1307, USA.
        !            21:
        !            22:
        !            23: # INPUT PARAMETERS
        !            24: # rptr r3
        !            25: # sptr r4
        !            26: # n    r5
        !            27:
        !            28: include(`../config.m4')
        !            29:
        !            30: # Unrolling this analogous to sparc64/copyi.s doesn't help for any
        !            31: # operand sizes.
        !            32:
        !            33: ASM_START()
        !            34: PROLOGUE(mpn_copyd)
        !            35:        cmpdi   cr0,r5,0
        !            36:        mtctr   r5
        !            37:        sldi    r5,r5,3
        !            38:        add     r4,r4,r5
        !            39:        add     r3,r3,r5
        !            40:        beq     cr0,.Lend
        !            41: .Loop: ldu     r0,-8(r4)
        !            42:        stdu    r0,-8(r3)
        !            43:        bdnz    .Loop
        !            44: .Lend: blr
        !            45: EPILOGUE(mpn_copyd)