86 lines
2.1 KiB
NASM
86 lines
2.1 KiB
NASM
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; AMD64 mpn_xnor_n
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; Version 1.0.4
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;
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; Copyright 2008 Jason Moxham
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; Windows Conversion Copyright 2008 Brian Gladman
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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 version 2.1 of the License, or (at
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; your option) any later version.
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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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; Calling interface:
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;
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; mp_limb_t __gmpn_<op>_n( <op> = xnor
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; mp_ptr dst, rcx
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; mp_srcptr src1, rdx
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; mp_srcptr src2, r8
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; mp_size_t len r9
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; )
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%include "..\yasm_mac.inc"
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BITS 64
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%define T3 r10
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%define T4 r11
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LEAF_PROC mpn_xnor_n
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mov r9d, r9d
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sub r9, 4
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jb .2
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alignb 16, nop
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.1: mov r10, [r8+r9*8+24]
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mov r11, [r8+r9*8+16]
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not r10
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not r11
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xor r10, [rdx+r9*8+24]
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xor r11, [rdx+r9*8+16]
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mov [rcx+r9*8+24], r10
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mov [rcx+r9*8+16], r11
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mov T3, [r8+r9*8+8]
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mov T4, [r8+r9*8]
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not T3
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not T4
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xor T3, [rdx+r9*8+8]
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xor T4, [rdx+r9*8]
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mov [rcx+r9*8+8], T3
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mov [rcx+r9*8], T4
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sub r9, 4
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jnc .1
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.2: add r9, 4
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jz .3
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mov r10, [r8+r9*8-8]
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not r10
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xor r10, [rdx+r9*8-8]
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mov [rcx+r9*8-8], r10
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dec r9
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jz .3
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mov r10, [r8+r9*8-8]
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not r10
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xor r10, [rdx+r9*8-8]
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mov [rcx+r9*8-8], r10
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dec r9
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jz .3
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mov r10, [r8+r9*8-8]
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not r10
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xor r10, [rdx+r9*8-8]
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mov [rcx+r9*8-8], r10
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.3: ret
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end
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