1;******************************************************************************
2;* SIMD-optimized SVQ1 encoder functions
3;* Copyright (c) 2007 Loren Merritt
4;*
5;* This file is part of FFmpeg.
6;*
7;* FFmpeg is free software; you can redistribute it and/or
8;* modify it under the terms of the GNU Lesser General Public
9;* License as published by the Free Software Foundation; either
10;* version 2.1 of the License, or (at your option) any later version.
11;*
12;* FFmpeg is distributed in the hope that it will be useful,
13;* but WITHOUT ANY WARRANTY; without even the implied warranty of
14;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15;* Lesser General Public License for more details.
16;*
17;* You should have received a copy of the GNU Lesser General Public
18;* License along with FFmpeg; if not, write to the Free Software
19;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20;******************************************************************************
21
22%include "libavutil/x86/x86util.asm"
23
24SECTION .text
25
26INIT_XMM sse2
27cglobal ssd_int8_vs_int16, 3, 3, 3, pix1, pix2, size
28    pxor m0, m0
29.loop:
30    sub       sizeq, 8
31    movq      m1, [pix1q + sizeq]
32    mova      m2, [pix2q + sizeq*2]
33    punpcklbw m1, m1
34    psraw     m1, 8
35    psubw     m2, m1
36    pmaddwd   m2, m2
37    paddd     m0, m2
38    jg .loop
39    HADDD     m0, m1
40    movd     eax, m0
41    RET
42