gdal/gcore/rasterio_ssse3.h

76 строки
3.6 KiB
C

/******************************************************************************
*
* Project: GDAL Core
* Purpose: SSSE3 specializations
* Author: Even Rouault <even dot rouault at spatialys dot com>
*
******************************************************************************
* Copyright (c) 2016, Even Rouault <even dot rouault at spatialys dot com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef RASTERIO_SSSE3_H_INCLUDED
#define RASTERIO_SSSE3_H_INCLUDED
#include "cpl_port.h"
#if defined(HAVE_SSSE3_AT_COMPILE_TIME) && \
(defined(__x86_64) || defined(_M_X64))
void GDALUnrolledCopy_GByte_3_1_SSSE3(GByte *CPL_RESTRICT pDest,
const GByte *CPL_RESTRICT pSrc,
GPtrDiff_t nIters);
void GDALDeinterleave3Byte_SSSE3(const GByte *CPL_RESTRICT pabySrc,
GByte *CPL_RESTRICT pabyDest0,
GByte *CPL_RESTRICT pabyDest1,
GByte *CPL_RESTRICT pabyDest2, size_t nIters);
#if !defined(__GNUC__) || defined(__clang__)
// GCC excluded because the auto-vectorized SSE2 code is good enough
void GDALDeinterleave4Byte_SSSE3(const GByte *CPL_RESTRICT pabySrc,
GByte *CPL_RESTRICT pabyDest0,
GByte *CPL_RESTRICT pabyDest1,
GByte *CPL_RESTRICT pabyDest2,
GByte *CPL_RESTRICT pabyDest3, size_t nIters);
#endif
#if (defined(__GNUC__) && !defined(__clang__)) || \
defined(__INTEL_CLANG_COMPILER)
// Restricted to GCC/ICC only as only verified with it that it can properly
// auto-vectorize
void GDALDeinterleave3UInt16_SSSE3(const GUInt16 *CPL_RESTRICT panSrc,
GUInt16 *CPL_RESTRICT panDest0,
GUInt16 *CPL_RESTRICT panDest1,
GUInt16 *CPL_RESTRICT panDest2,
size_t nIters);
void GDALDeinterleave4UInt16_SSSE3(const GUInt16 *CPL_RESTRICT panSrc,
GUInt16 *CPL_RESTRICT panDest0,
GUInt16 *CPL_RESTRICT panDest1,
GUInt16 *CPL_RESTRICT panDest2,
GUInt16 *CPL_RESTRICT panDest3,
size_t nIters);
#endif
#endif
#endif /* RASTERIO_SSSE3_H_INCLUDED */