README change

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..bac1f2e4b
--- /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 */