mirror of https://git.ffmpeg.org/ffmpeg.git
50 lines
1.8 KiB
NASM
50 lines
1.8 KiB
NASM
;************************************************************************
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;* VC3/DNxHD SIMD functions
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;* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
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;* Copyright (c) 2014 Tiancheng "Timothy" Gu <timothygu99@gmail.com>
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;*
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;* This file is part of Libav.
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;*
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;* Libav is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* Libav is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with Libav; if not, write to the Free Software
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;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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section .text
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; void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels,
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; ptrdiff_t line_size)
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INIT_XMM sse2
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cglobal get_pixels_8x4_sym, 3,3,5, block, pixels, linesize
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pxor m4, m4
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movq m0, [pixelsq]
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add pixelsq, linesizeq
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movq m1, [pixelsq]
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movq m2, [pixelsq+linesizeq]
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movq m3, [pixelsq+linesizeq*2]
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punpcklbw m0, m4
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punpcklbw m1, m4
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punpcklbw m2, m4
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punpcklbw m3, m4
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mova [blockq ], m0
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mova [blockq+16 ], m1
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mova [blockq+32 ], m2
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mova [blockq+48 ], m3
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mova [blockq+64 ], m3
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mova [blockq+80 ], m2
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mova [blockq+96 ], m1
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mova [blockq+112], m0
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RET
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