60 lines
2.8 KiB
C
60 lines
2.8 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include <simde/x86/avx2.h>
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void simde_mm128_separate_real_imag_parts(__m128i *out_re, __m128i *out_im, __m128i in0, __m128i in1)
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{
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// Put in0 = [Re(0,1) Re(2,3) Im(0,1) Im(2,3)]
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in0 = simde_mm_shufflelo_epi16(in0, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in0 = simde_mm_shufflehi_epi16(in0, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in0 = simde_mm_shuffle_epi32(in0, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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// Put xmm1 = [Re(4,5) Re(6,7) Im(4,5) Im(6,7)]
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in1 = simde_mm_shufflelo_epi16(in1, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in1 = simde_mm_shufflehi_epi16(in1, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in1 = simde_mm_shuffle_epi32(in1, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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*out_re = simde_mm_unpacklo_epi64(in0, in1);
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*out_im = simde_mm_unpackhi_epi64(in0, in1);
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}
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void simde_mm256_separate_real_imag_parts(__m256i *out_re, __m256i *out_im, __m256i in0, __m256i in1)
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{
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// Put in0 = [Re(0,1,2,3) Im(0,1,2,3) Re(4,5,6,7) Im(4,5,6,7)]
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in0 = simde_mm256_shufflelo_epi16(in0, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in0 = simde_mm256_shufflehi_epi16(in0, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in0 = simde_mm256_shuffle_epi32(in0, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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// Put in1 = [Re(8,9,10,11) Im(8,9,10,11) Re(12,13,14,15) Im(12,13,14,15)]
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in1 = simde_mm256_shufflelo_epi16(in1, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in1 = simde_mm256_shufflehi_epi16(in1, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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in1 = simde_mm256_shuffle_epi32(in1, 0xd8); //_MM_SHUFFLE(0,2,1,3));
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// Put tmp0 =[Re(0,1,2,3) Re(8,9,10,11) Re(4,5,6,7) Re(12,13,14,15)]
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__m256i tmp0 = simde_mm256_unpacklo_epi64(in0, in1);
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// Put tmp1 = [Im(0,1,2,3) Im(8,9,10,11) Im(4,5,6,7) Im(12,13,14,15)]
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__m256i tmp1 = simde_mm256_unpackhi_epi64(in0, in1);
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*out_re = simde_mm256_permute4x64_epi64(tmp0, 0xd8);
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*out_im = simde_mm256_permute4x64_epi64(tmp1, 0xd8);
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} |