root / volk / include / volk / volk_8sc_deinterleave_real_8s_aligned16.h @ 74f206ed
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| 1 | #ifndef INCLUDED_VOLK_8sc_DEINTERLEAVE_REAL_8s_ALIGNED8_H
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| 2 | #define INCLUDED_VOLK_8sc_DEINTERLEAVE_REAL_8s_ALIGNED8_H
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| 3 | |
| 4 | #include <inttypes.h> |
| 5 | #include <stdio.h> |
| 6 | |
| 7 | #if LV_HAVE_SSSE3
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| 8 | #include <tmmintrin.h> |
| 9 | /*!
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| 10 | \brief Deinterleaves the complex 8 bit vector into I vector data |
| 11 | \param complexVector The complex input vector |
| 12 | \param iBuffer The I buffer output data |
| 13 | \param num_points The number of complex data values to be deinterleaved |
| 14 | */ |
| 15 | static inline void volk_8sc_deinterleave_real_8s_aligned16_ssse3(int8_t* iBuffer, const lv_8sc_t* complexVector, unsigned int num_points){ |
| 16 | unsigned int number = 0; |
| 17 | const int8_t* complexVectorPtr = (int8_t*)complexVector;
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| 18 | int8_t* iBufferPtr = iBuffer; |
| 19 | __m128i moveMask1 = _mm_set_epi8(0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 14, 12, 10, 8, 6, 4, 2, 0); |
| 20 | __m128i moveMask2 = _mm_set_epi8(14, 12, 10, 8, 6, 4, 2, 0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80); |
| 21 | __m128i complexVal1, complexVal2, outputVal; |
| 22 | |
| 23 | unsigned int sixteenthPoints = num_points / 16; |
| 24 | |
| 25 | for(number = 0; number < sixteenthPoints; number++){ |
| 26 | complexVal1 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
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| 27 | complexVal2 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
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| 28 | |
| 29 | complexVal1 = _mm_shuffle_epi8(complexVal1, moveMask1); |
| 30 | complexVal2 = _mm_shuffle_epi8(complexVal2, moveMask2); |
| 31 | |
| 32 | outputVal = _mm_or_si128(complexVal1, complexVal2); |
| 33 | |
| 34 | _mm_store_si128((__m128i*)iBufferPtr, outputVal); |
| 35 | iBufferPtr += 16;
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| 36 | } |
| 37 | |
| 38 | number = sixteenthPoints * 16;
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| 39 | for(; number < num_points; number++){
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| 40 | *iBufferPtr++ = *complexVectorPtr++; |
| 41 | complexVectorPtr++; |
| 42 | } |
| 43 | } |
| 44 | #endif /* LV_HAVE_SSSE3 */ |
| 45 | |
| 46 | #if LV_HAVE_GENERIC
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| 47 | /*!
|
| 48 | \brief Deinterleaves the complex 8 bit vector into I vector data |
| 49 | \param complexVector The complex input vector |
| 50 | \param iBuffer The I buffer output data |
| 51 | \param num_points The number of complex data values to be deinterleaved |
| 52 | */ |
| 53 | static inline void volk_8sc_deinterleave_real_8s_aligned16_generic(int8_t* iBuffer, const lv_8sc_t* complexVector, unsigned int num_points){ |
| 54 | unsigned int number = 0; |
| 55 | const int8_t* complexVectorPtr = (int8_t*)complexVector;
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| 56 | int8_t* iBufferPtr = iBuffer; |
| 57 | for(number = 0; number < num_points; number++){ |
| 58 | *iBufferPtr++ = *complexVectorPtr++; |
| 59 | complexVectorPtr++; |
| 60 | } |
| 61 | } |
| 62 | #endif /* LV_HAVE_GENERIC */ |
| 63 | |
| 64 | |
| 65 | |
| 66 | |
| 67 | #endif /* INCLUDED_VOLK_8sc_DEINTERLEAVE_REAL_8s_ALIGNED8_H */ |