/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* This file contains bignum implementation code that
* is specific to AMD64, but which is still more appropriate
* to write in C, rather than assembly language.
* bignum_amd64_asm.s does all the assembly language code
* for AMD64 specific bignum support. The assembly language
* source file has pure code, no data. Let the C compiler
* generate what is needed to handle the variations in
* data representation and addressing, for example,
* statically linked vs PIC.
*/
#include "bignum.h"
/*
* The bignum interface deals with arrays of 64-bit "chunks" or "digits".
* Data should be aligned on 8-byte address boundaries for best performance.
*/
void
big_mul_vec(BIG_CHUNK_TYPE *r, BIG_CHUNK_TYPE *a, int alen,
BIG_CHUNK_TYPE *b, int blen)
{
int i;
r[alen] = big_mul_set_vec(r, a, alen, b[0]);
for (i = 1; i < blen; ++i)
r[alen + i] = big_mul_add_vec(r + i, a, alen, b[i]);
}