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 26%macro SSD_INT8_VS_INT16 0 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%if mmsize == 8 34 movq m3, [pix2q + sizeq*2 + mmsize] 35 punpckhbw m4, m1 36 punpcklbw m1, m1 37 psraw m4, 8 38 psraw m1, 8 39 psubw m3, m4 40 psubw m2, m1 41 pmaddwd m3, m3 42 pmaddwd m2, m2 43 paddd m0, m3 44 paddd m0, m2 45%else 46 punpcklbw m1, m1 47 psraw m1, 8 48 psubw m2, m1 49 pmaddwd m2, m2 50 paddd m0, m2 51%endif 52 jg .loop 53 HADDD m0, m1 54 movd eax, m0 55 RET 56%endmacro 57 58INIT_MMX mmx 59SSD_INT8_VS_INT16 60INIT_XMM sse2 61SSD_INT8_VS_INT16 62