66 lines
1.7 KiB
NASM
66 lines
1.7 KiB
NASM
|
dnl mpn_and_n
|
||
|
|
|
||
|
|
dnl Copyright 2009 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')
|
||
|
|
|
||
|
|
C ret mpn_and_n(mp_ptr,mp_ptr,mp_ptr,mp_size_t)
|
||
|
|
C rax rdi, rsi, rdx, rcx
|
||
|
|
|
||
|
|
ASM_START()
|
||
|
|
PROLOGUE(mpn_and_n)
|
||
|
|
sub $4,%rcx
|
||
|
|
jc skiplp
|
||
|
|
ALIGN(16)
|
||
|
|
lp:
|
||
|
|
mov (%rdx),%r8
|
||
|
|
mov 8(%rdx),%r9
|
||
|
|
and (%rsi),%r8
|
||
|
|
and 8(%rsi),%r9
|
||
|
|
lea 32(%rsi),%rsi
|
||
|
|
mov 16(%rdx),%r10
|
||
|
|
mov 24(%rdx),%r11
|
||
|
|
lea 32(%rdi),%rdi
|
||
|
|
and 16-32(%rsi),%r10
|
||
|
|
and 24-32(%rsi),%r11
|
||
|
|
sub $4,%rcx
|
||
|
|
mov %r8,-32(%rdi)
|
||
|
|
mov %r9,8-32(%rdi)
|
||
|
|
mov %r10,16-32(%rdi)
|
||
|
|
lea 32(%rdx),%rdx
|
||
|
|
mov %r11,24-32(%rdi)
|
||
|
|
jnc lp
|
||
|
|
skiplp:
|
||
|
|
cmp $-2,%rcx
|
||
|
|
je case2
|
||
|
|
jp case1
|
||
|
|
jl case0
|
||
|
|
case3: mov 8(%rdx,%rcx,8),%rax
|
||
|
|
and 8(%rsi,%rcx,8),%rax
|
||
|
|
mov %rax,8(%rdi,%rcx,8)
|
||
|
|
case2: mov 16(%rdx,%rcx,8),%rax
|
||
|
|
and 16(%rsi,%rcx,8),%rax
|
||
|
|
mov %rax,16(%rdi,%rcx,8)
|
||
|
|
case1: mov 24(%rdx,%rcx,8),%rax
|
||
|
|
and 24(%rsi,%rcx,8),%rax
|
||
|
|
mov %rax,24(%rdi,%rcx,8)
|
||
|
|
case0: ret
|
||
|
|
EPILOGUE()
|