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StageProc4Sse.hpp
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/*****************************************************************************
StageProc4Sse.hpp
Author: Laurent de Soras, 2015
--- Legal stuff ---
This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details.
*Tab=3***********************************************************************/
#if defined (hiir_StageProc4Sse_CURRENT_CODEHEADER)
#error Recursive inclusion of StageProc4Sse code header.
#endif
#define hiir_StageProc4Sse_CURRENT_CODEHEADER
#if ! defined (hiir_StageProc4Sse_CODEHEADER_INCLUDED)
#define hiir_StageProc4Sse_CODEHEADER_INCLUDED
/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
#include "hiir/StageDataSse.h"
#if defined (_MSC_VER)
#pragma inline_depth (255)
#endif
namespace hiir
{
/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
template <>
hiir_FORCEINLINE void StageProc4Sse <1>::process_sample_pos (const int nbr_coefs, __m128 &spl_0, __m128 &spl_1, StageDataSse *stage_arr)
{
const int cnt = nbr_coefs + 2 - 1;
const __m128 tmp_0 = _mm_add_ps (
_mm_mul_ps (
_mm_sub_ps (spl_0, _mm_load_ps (stage_arr [cnt ]._mem)),
_mm_load_ps (stage_arr [cnt ]._coef)
),
_mm_load_ps (stage_arr [cnt - 2]._mem)
);
_mm_store_ps (stage_arr [cnt - 2]._mem, spl_0);
_mm_store_ps (stage_arr [cnt - 1]._mem, spl_1);
_mm_store_ps (stage_arr [cnt ]._mem, tmp_0);
spl_0 = tmp_0;
}
template <>
hiir_FORCEINLINE void StageProc4Sse <0>::process_sample_pos (const int nbr_coefs, __m128 &spl_0, __m128 &spl_1, StageDataSse *stage_arr)
{
const int cnt = nbr_coefs + 2;
_mm_store_ps (stage_arr [cnt - 2]._mem, spl_0);
_mm_store_ps (stage_arr [cnt - 1]._mem, spl_1);
}
template <int REMAINING>
void StageProc4Sse <REMAINING>::process_sample_pos (const int nbr_coefs, __m128 &spl_0, __m128 &spl_1, StageDataSse *stage_arr)
{
const int cnt = nbr_coefs + 2 - REMAINING;
const __m128 tmp_0 = _mm_add_ps (
_mm_mul_ps (
_mm_sub_ps (spl_0, _mm_load_ps (stage_arr [cnt ]._mem)),
_mm_load_ps (stage_arr [cnt ]._coef)
),
_mm_load_ps (stage_arr [cnt - 2]._mem)
);
const __m128 tmp_1 = _mm_add_ps (
_mm_mul_ps (
_mm_sub_ps (spl_1, _mm_load_ps (stage_arr [cnt + 1]._mem)),
_mm_load_ps (stage_arr [cnt + 1]._coef)
),
_mm_load_ps (stage_arr [cnt - 1]._mem)
);
_mm_store_ps (stage_arr [cnt - 2]._mem, spl_0);
_mm_store_ps (stage_arr [cnt - 1]._mem, spl_1);
spl_0 = tmp_0;
spl_1 = tmp_1;
StageProc4Sse <REMAINING - 2>::process_sample_pos (
nbr_coefs,
spl_0,
spl_1,
stage_arr
);
}
template <>
hiir_FORCEINLINE void StageProc4Sse <1>::process_sample_neg (const int nbr_coefs, __m128 &spl_0, __m128 &spl_1, StageDataSse *stage_arr)
{
const int cnt = nbr_coefs + 2 - 1;
const __m128 tmp_0 = _mm_sub_ps (
_mm_mul_ps (
_mm_add_ps (spl_0, _mm_load_ps (stage_arr [cnt ]._mem)),
_mm_load_ps (stage_arr [cnt ]._coef)
),
_mm_load_ps (stage_arr [cnt - 2]._mem)
);
_mm_store_ps (stage_arr [cnt - 2]._mem, spl_0);
_mm_store_ps (stage_arr [cnt - 1]._mem, spl_1);
_mm_store_ps (stage_arr [cnt ]._mem, tmp_0);
spl_0 = tmp_0;
}
template <>
hiir_FORCEINLINE void StageProc4Sse <0>::process_sample_neg (const int nbr_coefs, __m128 &spl_0, __m128 &spl_1, StageDataSse *stage_arr)
{
const int cnt = nbr_coefs + 2;
_mm_store_ps (stage_arr [cnt - 2]._mem, spl_0);
_mm_store_ps (stage_arr [cnt - 1]._mem, spl_1);
}
template <int REMAINING>
void StageProc4Sse <REMAINING>::process_sample_neg (const int nbr_coefs, __m128 &spl_0, __m128 &spl_1, StageDataSse *stage_arr)
{
const int cnt = nbr_coefs + 2 - REMAINING;
const __m128 tmp_0 = _mm_sub_ps (
_mm_mul_ps (
_mm_add_ps (spl_0, _mm_load_ps (stage_arr [cnt ]._mem)),
_mm_load_ps (stage_arr [cnt ]._coef)
),
_mm_load_ps (stage_arr [cnt - 2]._mem)
);
const __m128 tmp_1 = _mm_sub_ps (
_mm_mul_ps (
_mm_add_ps (spl_1, _mm_load_ps (stage_arr [cnt + 1]._mem)),
_mm_load_ps (stage_arr [cnt + 1]._coef)
),
_mm_load_ps (stage_arr [cnt - 1]._mem)
);
_mm_store_ps (stage_arr [cnt - 2]._mem, spl_0);
_mm_store_ps (stage_arr [cnt - 1]._mem, spl_1);
spl_0 = tmp_0;
spl_1 = tmp_1;
StageProc4Sse <REMAINING - 2>::process_sample_neg (
nbr_coefs,
spl_0,
spl_1,
stage_arr
);
}
/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
} // namespace hiir
#endif // hiir_StageProc4Sse_CODEHEADER_INCLUDED
#undef hiir_StageProc4Sse_CURRENT_CODEHEADER
/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/