1dnl VAX mpn_add_n -- Add two limb vectors of the same length > 0 and store sum 2dnl in a third limb vector. 3 4dnl Copyright 1999, 2000, 2012 Free Software Foundation, Inc. 5 6dnl This file is part of the GNU MP Library. 7 8dnl The GNU MP Library is free software; you can redistribute it and/or modify 9dnl it under the terms of the GNU Lesser General Public License as published 10dnl by the Free Software Foundation; either version 3 of the License, or (at 11dnl your option) any later version. 12 13dnl The GNU MP Library is distributed in the hope that it will be useful, but 14dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16dnl License for more details. 17 18dnl You should have received a copy of the GNU Lesser General Public License 19dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. 20 21include(`../config.m4') 22 23ASM_START() 24PROLOGUE(mpn_add_n) 25 .word 0x0 26 movl 16(ap), r0 27 movl 12(ap), r1 28 movl 8(ap), r2 29 movl 4(ap), r3 30 mnegl r0, r5 31 addl2 $3, r0 32 ashl $-2, r0, r0 C unroll loop count 33 bicl2 $-4, r5 C mask out low 2 bits 34 movaq (r5)[r5], r5 C 9x 35 jmp L(top)[r5] 36 37L(top): movl (r2)+, r4 38 adwc (r1)+, r4 39 movl r4, (r3)+ 40 movl (r2)+, r4 41 adwc (r1)+, r4 42 movl r4, (r3)+ 43 movl (r2)+, r4 44 adwc (r1)+, r4 45 movl r4, (r3)+ 46 movl (r2)+, r4 47 adwc (r1)+, r4 48 movl r4, (r3)+ 49 sobgtr r0, L(top) 50 51 adwc r0, r0 52 ret 53EPILOGUE() 54