mpir/mpn/x86_64/core2/com_n.asm

67 lines
1.6 KiB
NASM

dnl core2 mpn_com_n
dnl Copyright 2008 Jason Moxham
dnl This file is part of the MPIR Library.
dnl The MPIR Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 2.1 of the License, or (at
dnl your option) any later version.
dnl The MPIR Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the MPIR Library; see the file COPYING.LIB. If not, write
dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
dnl Boston, MA 02110-1301, USA.
include(`../config.m4')
ASM_START()
PROLOGUE(mpn_com_n)
# Version 1.0.4
sub $4,%rdx
jc next
ALIGN(8)
loop:
mov 24(%rsi,%rdx,8),%rax
mov 16(%rsi,%rdx,8),%rcx
not %rax
not %rcx
mov %rax,24(%rdi,%rdx,8)
mov %rcx,16(%rdi,%rdx,8)
mov 8(%rsi,%rdx,8),%rax
mov (%rsi,%rdx,8),%rcx
not %rax
not %rcx
mov %rax,8(%rdi,%rdx,8)
mov %rcx,(%rdi,%rdx,8)
sub $4,%rdx
jae loop
next:
add $4,%rdx
jz end
# Could still have potential cache-bank conflicts in this tail part
mov -8(%rsi,%rdx,8),%rax
not %rax
mov %rax,-8(%rdi,%rdx,8)
#dec %rdx
sub $1,%rdx
jz end
mov -8(%rsi,%rdx,8),%rax
not %rax
mov %rax,-8(%rdi,%rdx,8)
#dec %rdx
sub $1,%rdx
jz end
mov -8(%rsi,%rdx,8),%rax
not %rax
mov %rax,-8(%rdi,%rdx,8)
end:
ret
EPILOGUE()