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Diffstat (limited to '')
-rw-r--r-- | security/nss/lib/freebl/mpi/mpi_amd64.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/mpi_amd64.c b/security/nss/lib/freebl/mpi/mpi_amd64.c new file mode 100644 index 0000000000..9e538bb6a1 --- /dev/null +++ b/security/nss/lib/freebl/mpi/mpi_amd64.c @@ -0,0 +1,32 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef MPI_AMD64 +#error This file only works on AMD64 platforms. +#endif + +#include <mpi-priv.h> + +/* + * MPI glue + * + */ + +/* Presently, this is only used by the Montgomery arithmetic code. */ +/* c += a * b */ +void MPI_ASM_DECL +s_mpv_mul_d_add_prop(const mp_digit *a, mp_size a_len, + mp_digit b, mp_digit *c) +{ + mp_digit w; + mp_digit d; + + d = s_mpv_mul_add_vec64(c, a, a_len, b); + c += a_len; + while (d) { + w = c[0] + d; + d = (w < c[0] || w < d); + *c++ = w; + } +} |