1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/nss/lib/freebl/mpi/mpi_amd64.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,32 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef MPI_AMD64
1.9 +#error This file only works on AMD64 platforms.
1.10 +#endif
1.11 +
1.12 +#include <mpi-priv.h>
1.13 +
1.14 +/*
1.15 + * MPI glue
1.16 + *
1.17 + */
1.18 +
1.19 +/* Presently, this is only used by the Montgomery arithmetic code. */
1.20 +/* c += a * b */
1.21 +void MPI_ASM_DECL s_mpv_mul_d_add_prop(const mp_digit *a, mp_size a_len,
1.22 + mp_digit b, mp_digit *c)
1.23 +{
1.24 + mp_digit w;
1.25 + mp_digit d;
1.26 +
1.27 + d = s_mpv_mul_add_vec64(c, a, a_len, b);
1.28 + c += a_len;
1.29 + while (d) {
1.30 + w = c[0] + d;
1.31 + d = (w < c[0] || w < d);
1.32 + *c++ = w;
1.33 + }
1.34 +}
1.35 +
