mpir/mpn/x86_64w/netburst/com_n.asm
2012-07-08 13:56:43 +00:00

73 lines
2.0 KiB
NASM

; PROLOGUE(com_n)
; Version 1.0.4
;
; Copyright 2008 Jason Moxham
;
; Windows Conversion Copyright 2008 Brian Gladman
;
; 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.
;
; void mpn_com_n(mp_ptr, mp_ptr, mp_size_t)
; rdi rsi rdx
; rcx rdx r8
%include "yasm_mac.inc"
CPU Core2
BITS 64
LEAF_PROC mpn_com_n
mov rax, r8
sub rax, 4
jc .2
xalign 8
.1: mov r8, [rdx+rax*8+24]
mov r9, [rdx+rax*8+16]
not r8
not r9
mov [rcx+rax*8+24], r8
mov [rcx+rax*8+16], r9
mov r8, [rdx+rax*8+8]
mov r9, [rdx+rax*8]
not r8
not r9
mov [rcx+rax*8+8], r8
mov [rcx+rax*8], r9
sub rax, 4
jae .1
.2: add rax, 4
jz .3
; Could still have potential cache-bank conflicts in this tail part
mov r8, [rdx+rax*8-8]
not r8
mov [rcx+rax*8-8], r8
sub rax, 1
jz .3
mov r8, [rdx+rax*8-8]
not r8
mov [rcx+rax*8-8], r8
sub rax, 1
jz .3
mov r8, [rdx+rax*8-8]
not r8
mov [rcx+rax*8-8], r8
.3: ret
end