| # VAX __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and store |
| # difference in a third limb vector. |
| |
| # Copyright (C) 1992, 1994 Free Software Foundation, Inc. |
| |
| # This file is part of the GNU MP Library. |
| |
| # The GNU MP Library is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU Lesser General Public License as published by |
| # the Free Software Foundation; either version 2.1 of the License, or (at your |
| # option) any later version. |
| |
| # The GNU MP Library 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 Lesser General Public |
| # License for more details. |
| |
| # You should have received a copy of the GNU Lesser General Public License |
| # along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
| # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| # MA 02111-1307, USA. |
| |
| |
| # INPUT PARAMETERS |
| # res_ptr (sp + 4) |
| # s1_ptr (sp + 8) |
| # s2_ptr (sp + 12) |
| # size (sp + 16) |
| |
| .text |
| .align 1 |
| .globl ___mpn_sub_n |
| ___mpn_sub_n: |
| .word 0x0 |
| movl 16(ap),r0 |
| movl 12(ap),r1 |
| movl 8(ap),r2 |
| movl 4(ap),r3 |
| subl2 r4,r4 |
| |
| Loop: |
| movl (r2)+,r4 |
| sbwc (r1)+,r4 |
| movl r4,(r3)+ |
| jsobgtr r0,Loop |
| |
| adwc r0,r0 |
| ret |