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Annotation of OpenXM_contrib/gmp/mpn/powerpc64/copyd.asm, Revision 1.1.1.1

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)