mpir/mpn/x86_64w/sandybridge/store.asm
2012-11-25 22:33:07 +00:00

69 lines
1.6 KiB
NASM

; PROLOGUE(store)
; mpn_store
; 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 version 2.1 of the License, or (at
; your option) any later version.
; 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_store(mp_ptr, mp_size_t, mp_limb_t)
; rdi, rsi, rdx
; rcx, rdx, r8
%include 'yasm_mac.inc'
CPU nehalem
BITS 64
%define MOVQ movd
LEAF_PROC mpn_store
lea rcx, [rcx-32]
cmp rdx, 0
jz .4
MOVQ xmm0, r8
movddup xmm0, xmm0
test rcx, 0xF
jz .1
mov [rcx+32], r8
lea rcx, [rcx+8]
sub rdx, 1
.1: sub rdx, 4
jc .3
xalign 16
.2: lea rcx, [rcx+32]
sub rdx, 4
movdqa [rcx], xmm0
movdqa [rcx+16], xmm0
jnc .2
.3: cmp rdx, -2
ja .5
jz .7
jp .6
.4: ret
.5: movdqa [rcx+32], xmm0
.6: mov [rcx+rdx*8+56], r8
ret
.7: movdqa [rcx+32], xmm0
ret
end