52 lines
1.6 KiB
NASM
52 lines
1.6 KiB
NASM
dnl mpn_store
|
|
|
|
dnl Copyright 2010 The Code Cavern
|
|
|
|
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_store)
|
|
mov %rsi,%rcx
|
|
and $7,%rsi
|
|
mov $8,%r8
|
|
sub %rsi,%r8 #// r8=8-n%8
|
|
lea (%r8,%r8,4),%r8
|
|
lea lp(%rip),%rax #// rax is lpjmp
|
|
add %r8,%rax #// rax=5*(8-n%8)+lp
|
|
and $-8,%rcx
|
|
add $48,%rdi
|
|
jmp *%rax
|
|
ALIGN(16)
|
|
lp: mov %rdx,8(%rdi,%rcx,8) #// 5 bytes // n%8=0 NOT HERE
|
|
mov %rdx, (%rdi,%rcx,8) # // n%8=7 // 5 bytes with nop
|
|
nop
|
|
mov %rdx, -8(%rdi,%rcx,8) # // n%8=6
|
|
mov %rdx,-16(%rdi,%rcx,8) # // n%8=5
|
|
mov %rdx,-24(%rdi,%rcx,8) # // n%8=4
|
|
mov %rdx,-32(%rdi,%rcx,8) # // n%8=3
|
|
mov %rdx,-40(%rdi,%rcx,8) # // n%8=2
|
|
mov %rdx,-48(%rdi,%rcx,8) # // n%8=1
|
|
nop # // n%8=0
|
|
sub $8,%rcx
|
|
jnc lp #// 2 bytes
|
|
nop
|
|
ret
|
|
EPILOGUE()
|