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C nettle, low-level cryptographics library
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C Copyright (C) 2013 Niels Möller
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C The nettle library is free software; you can redistribute it and/or modify
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C it under the terms of the GNU Lesser General Public License as published by
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C the Free Software Foundation; either version 2.1 of the License, or (at your
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C option) any later version.
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C The nettle library is distributed in the hope that it will be useful, but
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C WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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C or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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C License for more details.
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C You should have received a copy of the GNU Lesser General Public License
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C along with the nettle library; see the file COPYING.LIB. If not, write to
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C the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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.file "ecc-521-modp.asm"
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PROLOGUE(nettle_ecc_521_modp)
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C Read top 17 limbs, shift left 55 bits
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C Top limbs are <U9, U8>. Keep low 9 bits of 8, and fold the
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C top bits (at most 65 bits).
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EPILOGUE(nettle_ecc_521_modp)