; i80586 mul_1 -- Multiply a limb vector with a limb and store the ; result in a second limb vector. ; ; Copyright (C) 1992, 1994, 1995, 1996, 1998, ; 2001 Free Software Foundation, Inc. ; ; This file is part of GnuPG. ; ; GnuPG is free software; you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation; either version 2 of the License, or ; (at your option) any later version. ; ; GnuPG 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 General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program; if not, write to the Free Software ; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA ; ; Modified versions of the GPG i586 assembler for use with NASM. This ; file is part of a native port of Gnu PG for use with Microsoft Visual ; Studio .net. Ported by Brian Gladman March 2002. %define res_ptr edi %define s1_ptr esi %define size ecx %define s2_limb ebp global _mpihelp_mul_1 section .text align 8 _mpihelp_mul_1: push edi push esi push ebx push ebp mov res_ptr,[esp+20] mov s1_ptr,[esp+24] mov size,[esp+28] mov s2_limb,[esp+32] lea res_ptr,[res_ptr+size*4] lea s1_ptr,[s1_ptr+size*4] neg size xor ebx,ebx align 8 .1: adc ebx,0 mov eax,[s1_ptr+size*4] mul s2_limb add ebx,eax mov [res_ptr+size*4],ebx inc size mov ebx,edx jnz short .1 adc ebx,0 mov eax,ebx pop ebp pop ebx pop esi pop edi ret end