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82 lines
3.3 KiB
C
82 lines
3.3 KiB
C
7 years ago
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE 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
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_SIMD_H_H
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#define SRSLTE_SIMD_H_H
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/*
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* SSE Macros
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*/
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#ifdef LV_HAVE_SSE
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#define _MM_SWAP(X) ((__m128)_mm_shuffle_ps(X, X, _MM_SHUFFLE(2,3,0,1)))
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#define _MM_PERM(X) ((__m128)_mm_shuffle_ps(X, X, _MM_SHUFFLE(2,1,3,0)))
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#define _MM_MULJ_PS(X) _MM_SWAP(_MM_CONJ_PS(X))
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#define _MM_CONJ_PS(X) (_mm_xor_ps(X, _mm_set_ps(-0.0f, 0.0f, -0.0f, 0.0f)))
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#define _MM_SQMOD_PS(X) _MM_PERM(_mm_hadd_ps(_mm_mul_ps(X,X), _mm_set_ps(0.0f, 0.0f, 0.0f, 0.0f)))
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#define _MM_PROD_PS(a, b) _mm_addsub_ps(_mm_mul_ps(a,_mm_moveldup_ps(b)),_mm_mul_ps(\
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_mm_shuffle_ps(a,a,0xB1),_mm_movehdup_ps(b)))
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#endif /* LV_HAVE_SSE */
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/*
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* AVX Macros
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*/
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#ifdef LV_HAVE_AVX
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#define _MM256_MULJ_PS(X) _mm256_permute_ps(_MM256_CONJ_PS(X), 0b10110001)
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#define _MM256_CONJ_PS(X) (_mm256_xor_ps(X, _mm256_set_ps(-0.0f, 0.0f, -0.0f, 0.0f, -0.0f, 0.0f, -0.0f, 0.0f)))
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#ifdef LV_HAVE_FMA
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#define _MM256_SQMOD_PS(A, B) _mm256_permute_ps(_mm256_hadd_ps(_mm256_fmadd_ps(A, A, _mm256_mul_ps(B,B)), \
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_mm256_set_ps(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)), 0b11011100)
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#define _MM256_PROD_PS(a, b) _mm256_fmaddsub_ps(a,_mm256_moveldup_ps(b),\
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_mm256_mul_ps(_mm256_shuffle_ps(a,a,0xB1),_mm256_movehdup_ps(b)))
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#else
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#define _MM256_SQMOD_PS(A, B) _mm256_permute_ps(_mm256_hadd_ps(_mm256_add_ps(_mm256_mul_ps(A,A), _mm256_mul_ps(B,B)), \
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_mm256_set_ps(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)), 0b11011100)
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#define _MM256_PROD_PS(a, b) _mm256_addsub_ps(_mm256_mul_ps(a,_mm256_moveldup_ps(b)),\
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_mm256_mul_ps(_mm256_shuffle_ps(a,a,0xB1),_mm256_movehdup_ps(b)))
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#endif /* LV_HAVE_FMA */
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#endif /* LV_HAVE_AVX */
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/*
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* AVX extension with FMA Macros
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*/
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#ifdef LV_HAVE_FMA
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#define _MM256_SQMOD_ADD_PS(A, B, C) _mm256_permute_ps(_mm256_hadd_ps(_mm256_fmadd_ps(A, A, _mm256_fmadd_ps(B, B, C)),\
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_mm256_set_ps(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)), 0b11011100)
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#define _MM256_PROD_ADD_PS(A, B, C) _mm256_fmaddsub_ps(A,_mm256_moveldup_ps(B),\
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_mm256_fmaddsub_ps(_mm256_shuffle_ps(A,A,0xB1),_mm256_movehdup_ps(B), C))
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#define _MM256_PROD_SUB_PS(A, B, C) _mm256_fmaddsub_ps(A,_mm256_moveldup_ps(B),\
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_mm256_fmsubadd_ps(_mm256_shuffle_ps(A,A,0xB1),_mm256_movehdup_ps(B), C))
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#endif /* LV_HAVE_FMA */
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#endif //SRSLTE_SIMD_H_H
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