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git-subtree-dir: cpp/simdcomp git-subtree-split: 0dca28668f1fb6d343dc3c62fa7750a00f1d7201
41 lines
945 B
C
41 lines
945 B
C
/**
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* This code is released under a BSD License.
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*/
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#ifndef INCLUDE_AVXBITPACKING_H_
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#define INCLUDE_AVXBITPACKING_H_
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#ifdef __AVX2__
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#include "portability.h"
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/* AVX2 is required */
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#include <immintrin.h>
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/* for memset */
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#include <string.h>
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#include "simdcomputil.h"
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enum{ AVXBlockSize = 256};
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/* max integer logarithm over a range of AVXBlockSize integers (256 integer) */
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uint32_t avxmaxbits(const uint32_t * begin);
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/* reads 256 values from "in", writes "bit" 256-bit vectors to "out" */
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void avxpack(const uint32_t * in,__m256i * out, const uint32_t bit);
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/* reads 256 values from "in", writes "bit" 256-bit vectors to "out" */
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void avxpackwithoutmask(const uint32_t * in,__m256i * out, const uint32_t bit);
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/* reads "bit" 256-bit vectors from "in", writes 256 values to "out" */
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void avxunpack(const __m256i * in,uint32_t * out, const uint32_t bit);
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#endif /* __AVX2__ */
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#endif /* INCLUDE_AVXBITPACKING_H_ */
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