mpir/mpn/x86_64w/nehalem/copyi.asm
gladman 9bf78f0866 1. Update Windows k10 build to match Linux
2. Remove the now redundant 32 to 64 register mapping for mp_size_t inputs in Windows assembler
2010-07-02 11:52:24 +00:00

69 lines
1.7 KiB
NASM

; 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