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1.8x faster than altivec radix-2 on a G4 8% faster vorbis decoding Patch (mostly) by Loren Merritt Originally committed as revision 23956 to svn://svn.ffmpeg.org/ffmpeg/trunk
48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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* Copyright (c) 2006 Guillaume Poirier <gpoirier@mplayerhq.hu>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_PPC_TYPES_ALTIVEC_H
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#define AVCODEC_PPC_TYPES_ALTIVEC_H
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/***********************************************************************
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* Vector types
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**********************************************************************/
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#define vec_u8 vector unsigned char
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#define vec_s8 vector signed char
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#define vec_u16 vector unsigned short
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#define vec_s16 vector signed short
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#define vec_u32 vector unsigned int
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#define vec_s32 vector signed int
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#define vec_f vector float
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/***********************************************************************
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* Null vector
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**********************************************************************/
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#define LOAD_ZERO const vec_u8 zerov = vec_splat_u8( 0 )
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#define zero_u8v (vec_u8) zerov
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#define zero_s8v (vec_s8) zerov
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#define zero_u16v (vec_u16) zerov
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#define zero_s16v (vec_s16) zerov
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#define zero_u32v (vec_u32) zerov
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#define zero_s32v (vec_s32) zerov
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#endif /* AVCODEC_PPC_TYPES_ALTIVEC_H */
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