2018-05-04 16:08:28 +02:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2015-10-21 05:03:22 +02:00
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#ifndef MPI_AMD64
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#error This file only works on AMD64 platforms.
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#endif
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#include <mpi-priv.h>
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/*
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* MPI glue
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*
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*/
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/* Presently, this is only used by the Montgomery arithmetic code. */
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/* c += a * b */
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void MPI_ASM_DECL s_mpv_mul_d_add_prop(const mp_digit *a, mp_size a_len,
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mp_digit b, mp_digit *c)
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{
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mp_digit w;
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mp_digit d;
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d = s_mpv_mul_add_vec64(c, a, a_len, b);
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c += a_len;
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while (d) {
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w = c[0] + d;
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d = (w < c[0] || w < d);
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*c++ = w;
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}
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}
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