mpir/mpn/x86_64/atom/andn_n.as

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; AMD64 mpn_andn_n
; Copyright 2009 Jason Moxham
; This file is part of the MPIR Library.
; The MPIR Library is free software; you can redistribute it and/or modify
; it under the terms of the GNU Lesser General Public License as published
; by the Free Software Foundation; either version 2.1 of the License, or (at
; your option) any later version.
; The MPIR Library is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
; License for more details.
; You should have received a copy of the GNU Lesser General Public License
; along with the MPIR Library; see the file COPYING.LIB. If not, write
; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
; Boston, MA 02110-1301, USA.
%include 'yasm_mac.inc'
BITS 64
GLOBAL_FUNC mpn_andn_n
sub rcx, 4
jb skiploop
align 16
loop1:
mov r8, [rdx+rcx*8+24]
mov r9, [rdx+rcx*8+16]
not r8
not r9
and r8, [rsi+rcx*8+24]
and r9, [rsi+rcx*8+16]
mov [rdi+rcx*8+24], r8
mov [rdi+rcx*8+16], r9
mov r10, [rdx+rcx*8+8]
mov r11, [rdx+rcx*8]
not r10
not r11
and r10, [rsi+rcx*8+8]
and r11, [rsi+rcx*8]
mov [rdi+rcx*8+8], r10
mov [rdi+rcx*8], r11
sub rcx, 4
jnc loop1
skiploop:
add rcx, 4
jz end
mov r8, [rdx+rcx*8-8]
not r8
and r8, [rsi+rcx*8-8]
mov [rdi+rcx*8-8], r8
dec rcx
jz end
mov r8, [rdx+rcx*8-8]
not r8
and r8, [rsi+rcx*8-8]
mov [rdi+rcx*8-8], r8
dec rcx
jz end
mov r8, [rdx+rcx*8-8]
not r8
and r8, [rsi+rcx*8-8]
mov [rdi+rcx*8-8], r8
end:
ret