52 lines
1.4 KiB
NASM
52 lines
1.4 KiB
NASM
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; mpn_store
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; Copyright 2009 Jason Moxham
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; This file is part of the MPIR Library.
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; The MPIR Library is free software; you can redistribute it and/or modify
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; it under the terms of the GNU Lesser General Public License as published
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; by the Free Software Foundation; either verdxon 2.1 of the License, or (at
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; your option) any later verdxon.
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; The MPIR Library is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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; License for more details.
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; You should have received a copy of the GNU Lesser General Public License
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; along with the MPIR Library; see the file COPYING.LIB. If not, write
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; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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; Boston, MA 02110-1301, USA.
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;
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; mpn_store(mp_ptr,mp_size_t,mp_limb_t val)
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; rax rcx, rdx, r8
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%include "..\yasm_mac.inc"
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CPU Core2
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BITS 64
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LEAF_PROC mpn_store
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movsxd r8, r8d
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cmp rdx, 0
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jz .3
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movq xmm0, r8
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movddup xmm0, xmm0
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lea rcx, [rcx-16]
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test rcx, 0xF
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jz .0
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mov [rcx+16], r8
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lea rcx, [rcx+8]
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sub rdx, 1
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.0: sub rdx, 2
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jc .2
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xalign 16
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.1: lea rcx, [rcx+16]
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sub rdx, 2
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movdqa [rcx], xmm0
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jnc .1
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.2: jnp .3
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mov [rcx+16], r8
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.3: ret
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end
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