sysdeps/vax/add_n.s

   1 # VAX __mpn_add_n -- Add two limb vectors of the same length > 0 and store
   2 # sum in a third limb vector.
   3
   4 # Copyright (C) 1992, 1994 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., 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22
  23 # INPUT PARAMETERS
  24 # res_ptr       (sp + 4)
  25 # s1_ptr        (sp + 8)
  26 # s2_ptr        (sp + 12)
  27 # size          (sp + 16)
  28
  29 .text
  30         .align 1
  31 .globl ___mpn_add_n
  32 ___mpn_add_n:
  33         .word   0x0
  34         movl    16(ap),r0
  35         movl    12(ap),r1
  36         movl    8(ap),r2
  37         movl    4(ap),r3
  38         subl2   r4,r4
  39
  40 Loop:
  41         movl    (r2)+,r4
  42         adwc    (r1)+,r4
  43         movl    r4,(r3)+
  44         jsobgtr r0,Loop
  45
  46         adwc    r0,r0
  47         ret