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. 7dnl 8dnl The GNU MP Library is free software; you can redistribute it and/or modify 9dnl it under the terms of either: 10dnl 11dnl * the GNU Lesser General Public License as published by the Free 12dnl Software Foundation; either version 3 of the License, or (at your 13dnl option) any later version. 14dnl 15dnl or 16dnl 17dnl * the GNU General Public License as published by the Free Software 18dnl Foundation; either version 2 of the License, or (at your option) any 19dnl later version. 20dnl 21dnl or both in parallel, as here. 22dnl 23dnl The GNU MP Library is distributed in the hope that it will be useful, but 24dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 25dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 26dnl for more details. 27dnl 28dnl You should have received copies of the GNU General Public License and the 29dnl GNU Lesser General Public License along with the GNU MP Library. If not, 30dnl see https://www.gnu.org/licenses/. 31 32include(`../config.m4') 33 34ASM_START() 35PROLOGUE(mpn_add_n) 36 .word 0x0 37 movl 16(ap), r0 38 movl 12(ap), r1 39 movl 8(ap), r2 40 movl 4(ap), r3 41 mnegl r0, r5 42 addl2 $3, r0 43 ashl $-2, r0, r0 C unroll loop count 44 bicl2 $-4, r5 C mask out low 2 bits 45 movaq (r5)[r5], r5 C 9x 46 jmp L(top)[r5] 47 48L(top): movl (r2)+, r4 49 adwc (r1)+, r4 50 movl r4, (r3)+ 51 movl (r2)+, r4 52 adwc (r1)+, r4 53 movl r4, (r3)+ 54 movl (r2)+, r4 55 adwc (r1)+, r4 56 movl r4, (r3)+ 57 movl (r2)+, r4 58 adwc (r1)+, r4 59 movl r4, (r3)+ 60 sobgtr r0, L(top) 61 62 adwc r0, r0 63 ret 64EPILOGUE() 65