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#ifndef INCLUDED_VOLK_16sc_DEINTERLEAVE_REAL_8s_ALIGNED16_H
#define INCLUDED_VOLK_16sc_DEINTERLEAVE_REAL_8s_ALIGNED16_H
#include <inttypes.h>
#include <stdio.h>
#if LV_HAVE_SSSE3
#include <tmmintrin.h>
/*!
\brief Deinterleaves the complex 16 bit vector into 8 bit 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_16sc_deinterleave_real_8s_aligned16_ssse3(int8_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
unsigned int number = 0;
const int8_t* complexVectorPtr = (int8_t*)complexVector;
int8_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, complexVal3, complexVal4, iOutputVal;
unsigned int sixteenthPoints = num_points / 16;
for(number = 0; number < sixteenthPoints; number++){
complexVal1 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
complexVal2 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
complexVal3 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
complexVal4 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
complexVal1 = _mm_shuffle_epi8(complexVal1, iMoveMask1);
complexVal2 = _mm_shuffle_epi8(complexVal2, iMoveMask2);
complexVal1 = _mm_or_si128(complexVal1, complexVal2);
complexVal3 = _mm_shuffle_epi8(complexVal3, iMoveMask1);
complexVal4 = _mm_shuffle_epi8(complexVal4, iMoveMask2);
complexVal3 = _mm_or_si128(complexVal3, complexVal4);
complexVal1 = _mm_srai_epi16(complexVal1, 8);
complexVal3 = _mm_srai_epi16(complexVal3, 8);
iOutputVal = _mm_packs_epi16(complexVal1, complexVal3);
_mm_store_si128((__m128i*)iBufferPtr, iOutputVal);
iBufferPtr += 16;
}
number = sixteenthPoints * 16;
int16_t* int16ComplexVectorPtr = (int16_t*)complexVectorPtr;
for(; number < num_points; number++){
*iBufferPtr++ = ((int8_t)(*int16ComplexVectorPtr++ / 256));
int16ComplexVectorPtr++;
}
}
#endif /* LV_HAVE_SSSE3 */
#if LV_HAVE_GENERIC
/*!
\brief Deinterleaves the complex 16 bit vector into 8 bit 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_16sc_deinterleave_real_8s_aligned16_generic(int8_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
unsigned int number = 0;
const int16_t* complexVectorPtr = (int16_t*)complexVector;
int8_t* iBufferPtr = iBuffer;
for(number = 0; number < num_points; number++){
*iBufferPtr++ = (int8_t)(*complexVectorPtr++ / 256);
complexVectorPtr++;
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_VOLK_16sc_DEINTERLEAVE_REAL_8s_ALIGNED16_H */
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