diff options
Diffstat (limited to 'scripts/conf-w32brg/mpi/nasm586/mpih-mul1.asm')
| -rw-r--r-- | scripts/conf-w32brg/mpi/nasm586/mpih-mul1.asm | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/scripts/conf-w32brg/mpi/nasm586/mpih-mul1.asm b/scripts/conf-w32brg/mpi/nasm586/mpih-mul1.asm new file mode 100644 index 000000000..b00fbe3a7 --- /dev/null +++ b/scripts/conf-w32brg/mpi/nasm586/mpih-mul1.asm @@ -0,0 +1,70 @@ + +; 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 <[email protected]> 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 |