58 lines
1.6 KiB
ActionScript
58 lines
1.6 KiB
ActionScript
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; AMD64 mpn_add_n -- Add two limb vectors of the same length > 0 and store
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; sum in a third limb vector.
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;
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; Copyright 2004 Free Software Foundation, Inc.
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;
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; Copyright 2008 William Hart
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;
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; This file is part of the MPIR Library.
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;
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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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;
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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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;
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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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; cycles/limb
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; Hammer: 3.0
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;
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;
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; INPUT PARAMETERS
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; rp rdi
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; up rsi
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; vp rdx
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; n rcx
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%include 'yasm_mac.inc'
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BITS 64
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GLOBAL_FUNC mpn_add_n
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lea rsi, [rsi+rcx*8]
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lea rdi, [rdi+rcx*8]
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lea rdx, [rdx+rcx*8]
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neg rcx
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xor eax, eax ; clear cy
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align 4 ; minimal alignment for claimed speed
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loop1: ; do the addition in a loop
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mov rax, [rsi+rcx*8]
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mov r10, [rdx+rcx*8]
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adc rax, r10
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mov [rdi+rcx*8], rax
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inc rcx
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jne loop1
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mov rax, rcx ; zero rax
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adc rax, rax ; return carry
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ret
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