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author | Tom Rondeau | 2011-08-27 16:44:32 -0400 |
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committer | Tom Rondeau | 2011-08-27 16:44:32 -0400 |
commit | 54881f8803d4f796dde2af031e6f1a37df9445f1 (patch) | |
tree | b1e4e6c34004f22a29c03815ed3ae49065693dce /volk/include/volk/volk_16ic_deinterleave_real_16i_a.h | |
parent | 50cde24aea52d66d69313a490f7eab78a5085849 (diff) | |
parent | f4cc7884c608a7ec1969e68b73e12cdbcc26145c (diff) | |
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Merge branch 'master' of gnuradio.org:gnuradio
Diffstat (limited to 'volk/include/volk/volk_16ic_deinterleave_real_16i_a.h')
-rw-r--r-- | volk/include/volk/volk_16ic_deinterleave_real_16i_a.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/volk/include/volk/volk_16ic_deinterleave_real_16i_a.h b/volk/include/volk/volk_16ic_deinterleave_real_16i_a.h new file mode 100644 index 000000000..2b99e068e --- /dev/null +++ b/volk/include/volk/volk_16ic_deinterleave_real_16i_a.h @@ -0,0 +1,120 @@ +#ifndef INCLUDED_volk_16ic_deinterleave_real_16i_a_H +#define INCLUDED_volk_16ic_deinterleave_real_16i_a_H + +#include <inttypes.h> +#include <stdio.h> + +#ifdef LV_HAVE_SSSE3 +#include <tmmintrin.h> +/*! + \brief Deinterleaves the complex 16 bit vector into I vector data + \param complexVector The complex input vector + \param iBuffer The I buffer output data + \param num_points The number of complex data values to be deinterleaved +*/ +static inline void volk_16ic_deinterleave_real_16i_a_ssse3(int16_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){ + unsigned int number = 0; + const int16_t* complexVectorPtr = (int16_t*)complexVector; + int16_t* iBufferPtr = iBuffer; + + __m128i iMoveMask1 = _mm_set_epi8(0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 13, 12, 9, 8, 5, 4, 1, 0); + __m128i iMoveMask2 = _mm_set_epi8(13, 12, 9, 8, 5, 4, 1, 0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80); + + __m128i complexVal1, complexVal2, iOutputVal; + + unsigned int eighthPoints = num_points / 8; + + for(number = 0; number < eighthPoints; number++){ + complexVal1 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 8; + complexVal2 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 8; + + complexVal1 = _mm_shuffle_epi8(complexVal1, iMoveMask1); + complexVal2 = _mm_shuffle_epi8(complexVal2, iMoveMask2); + + iOutputVal = _mm_or_si128(complexVal1, complexVal2); + + _mm_store_si128((__m128i*)iBufferPtr, iOutputVal); + + iBufferPtr += 8; + } + + number = eighthPoints * 8; + for(; number < num_points; number++){ + *iBufferPtr++ = *complexVectorPtr++; + complexVectorPtr++; + } +} +#endif /* LV_HAVE_SSSE3 */ + + +#ifdef LV_HAVE_SSE2 +#include <emmintrin.h> +/*! + \brief Deinterleaves the complex 16 bit vector into I vector data + \param complexVector The complex input vector + \param iBuffer The I buffer output data + \param num_points The number of complex data values to be deinterleaved +*/ +static inline void volk_16ic_deinterleave_real_16i_a_sse2(int16_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){ + unsigned int number = 0; + const int16_t* complexVectorPtr = (int16_t*)complexVector; + int16_t* iBufferPtr = iBuffer; + __m128i complexVal1, complexVal2, iOutputVal; + __m128i lowMask = _mm_set_epi32(0x0, 0x0, 0xFFFFFFFF, 0xFFFFFFFF); + __m128i highMask = _mm_set_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0x0, 0x0); + + unsigned int eighthPoints = num_points / 8; + + for(number = 0; number < eighthPoints; number++){ + complexVal1 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 8; + complexVal2 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 8; + + complexVal1 = _mm_shufflelo_epi16(complexVal1, _MM_SHUFFLE(3,1,2,0)); + + complexVal1 = _mm_shufflehi_epi16(complexVal1, _MM_SHUFFLE(3,1,2,0)); + + complexVal1 = _mm_shuffle_epi32(complexVal1, _MM_SHUFFLE(3,1,2,0)); + + complexVal2 = _mm_shufflelo_epi16(complexVal2, _MM_SHUFFLE(3,1,2,0)); + + complexVal2 = _mm_shufflehi_epi16(complexVal2, _MM_SHUFFLE(3,1,2,0)); + + complexVal2 = _mm_shuffle_epi32(complexVal2, _MM_SHUFFLE(2,0,3,1)); + + iOutputVal = _mm_or_si128(_mm_and_si128(complexVal1, lowMask), _mm_and_si128(complexVal2, highMask)); + + _mm_store_si128((__m128i*)iBufferPtr, iOutputVal); + + iBufferPtr += 8; + } + + number = eighthPoints * 8; + for(; number < num_points; number++){ + *iBufferPtr++ = *complexVectorPtr++; + complexVectorPtr++; + } +} +#endif /* LV_HAVE_SSE2 */ + +#ifdef LV_HAVE_GENERIC +/*! + \brief Deinterleaves the complex 16 bit vector into I vector data + \param complexVector The complex input vector + \param iBuffer The I buffer output data + \param num_points The number of complex data values to be deinterleaved +*/ +static inline void volk_16ic_deinterleave_real_16i_a_generic(int16_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){ + unsigned int number = 0; + const int16_t* complexVectorPtr = (int16_t*)complexVector; + int16_t* iBufferPtr = iBuffer; + for(number = 0; number < num_points; number++){ + *iBufferPtr++ = *complexVectorPtr++; + complexVectorPtr++; + } +} +#endif /* LV_HAVE_GENERIC */ + + + + +#endif /* INCLUDED_volk_16ic_deinterleave_real_16i_a_H */ |