/* * 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]); }