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/*****************************************************************************
* Copyright (C) 2013-2020 MulticoreWare, Inc
*
* Authors: Min Chen <min.chen@multicorewareinc.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/
#ifndef X265_PPCCOMMON_H
#define X265_PPCCOMMON_H
#if HAVE_ALTIVEC
#include <altivec.h>
#define vec_u8_t vector unsigned char
#define vec_s8_t vector signed char
#define vec_u16_t vector unsigned short
#define vec_s16_t vector signed short
#define vec_u32_t vector unsigned int
#define vec_s32_t vector signed int
//copy from x264
#define LOAD_ZERO const vec_u8_t zerov = vec_splat_u8( 0 )
#define zero_u8v (vec_u8_t) zerov
#define zero_s8v (vec_s8_t) zerov
#define zero_u16v (vec_u16_t) zerov
#define zero_s16v (vec_s16_t) zerov
#define zero_u32v (vec_u32_t) zerov
#define zero_s32v (vec_s32_t) zerov
/***********************************************************************
* 8 <-> 16 bits conversions
**********************************************************************/
#ifdef WORDS_BIGENDIAN
#define vec_u8_to_u16_h(v) (vec_u16_t) vec_mergeh( zero_u8v, (vec_u8_t) v )
#define vec_u8_to_u16_l(v) (vec_u16_t) vec_mergel( zero_u8v, (vec_u8_t) v )
#define vec_u8_to_s16_h(v) (vec_s16_t) vec_mergeh( zero_u8v, (vec_u8_t) v )
#define vec_u8_to_s16_l(v) (vec_s16_t) vec_mergel( zero_u8v, (vec_u8_t) v )
#else
#define vec_u8_to_u16_h(v) (vec_u16_t) vec_mergeh( (vec_u8_t) v, zero_u8v )
#define vec_u8_to_u16_l(v) (vec_u16_t) vec_mergel( (vec_u8_t) v, zero_u8v )
#define vec_u8_to_s16_h(v) (vec_s16_t) vec_mergeh( (vec_u8_t) v, zero_u8v )
#define vec_u8_to_s16_l(v) (vec_s16_t) vec_mergel( (vec_u8_t) v, zero_u8v )
#endif
#define vec_u8_to_u16(v) vec_u8_to_u16_h(v)
#define vec_u8_to_s16(v) vec_u8_to_s16_h(v)
#ifdef WORDS_BIGENDIAN
#define vec_u16_to_u32_h(v) (vec_u32_t) vec_mergeh( zero_u16v, (vec_u16_t) v )
#define vec_u16_to_u32_l(v) (vec_u32_t) vec_mergel( zero_u16v, (vec_u16_t) v )
#define vec_u16_to_s32_h(v) (vec_s32_t) vec_mergeh( zero_u16v, (vec_u16_t) v )
#define vec_u16_to_s32_l(v) (vec_s32_t) vec_mergel( zero_u16v, (vec_u16_t) v )
#else
#define vec_u16_to_u32_h(v) (vec_u32_t) vec_mergeh( (vec_u16_t) v, zero_u16v )
#define vec_u16_to_u32_l(v) (vec_u32_t) vec_mergel( (vec_u16_t) v, zero_u16v )
#define vec_u16_to_s32_h(v) (vec_s32_t) vec_mergeh( (vec_u16_t) v, zero_u16v )
#define vec_u16_to_s32_l(v) (vec_s32_t) vec_mergel( (vec_u16_t) v, zero_u16v )
#endif
#define vec_u16_to_u32(v) vec_u16_to_u32_h(v)
#define vec_u16_to_s32(v) vec_u16_to_s32_h(v)
#define vec_u32_to_u16(v) vec_pack( v, zero_u32v )
#define vec_s32_to_u16(v) vec_packsu( v, zero_s32v )
#define BITS_PER_SUM (8 * sizeof(sum_t))
#endif /* HAVE_ALTIVEC */
#endif /* X265_PPCCOMMON_H */
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