66 lines
1.7 KiB
NASM
66 lines
1.7 KiB
NASM
; GLOBAL_FUNC(copyi)
|
|
|
|
; mpn_copyi
|
|
|
|
; Copyright 2009 Jason Moxham
|
|
|
|
; 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 verdxon 2.1 of the License, or (at
|
|
; your option) any later verdxon.
|
|
|
|
; 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_copyi(mp_ptr, mp_ptr, mp_size_t)
|
|
; rdi, rsi, rdx
|
|
; rcx, rdx, r8
|
|
|
|
%include 'yasm_mac.inc'
|
|
|
|
CPU nehalem
|
|
BITS 64
|
|
|
|
LEAF_PROC mpn_copyi
|
|
mov r9, 3
|
|
lea rdx, [rdx+r8*8-24]
|
|
lea rcx, [rcx+r8*8-24]
|
|
sub r9, r8
|
|
jnc .2
|
|
|
|
xalign 16
|
|
.1: movdqu xmm0, [rdx+r9*8]
|
|
movdqu xmm1, [rdx+r9*8+16]
|
|
add r9, 4
|
|
movdqu [rcx+r9*8+16-32], xmm1
|
|
movdqu [rcx+r9*8-32], xmm0
|
|
jnc .1
|
|
.2: cmp r9, 2
|
|
ja .6
|
|
je .5
|
|
jp .4
|
|
.3: movdqu xmm0, [rdx+r9*8]
|
|
mov rax, [rdx+r9*8+16]
|
|
mov [rcx+r9*8+16], rax
|
|
movdqu [rcx+r9*8], xmm0
|
|
ret
|
|
|
|
.4: movdqu xmm0, [rdx+r9*8]
|
|
movdqu [rcx+r9*8], xmm0
|
|
ret
|
|
|
|
.5: mov rax, [rdx+r9*8]
|
|
mov [rcx+r9*8], rax
|
|
.6: ret
|
|
|
|
end
|