1 files changed, 94 insertions, 0 deletions
diff --git a/volk/kernels/volk/volk_16ic_deinterleave_real_8i.h b/volk/kernels/volk/volk_16ic_deinterleave_real_8i.h
new file mode 100644
index 000000000..f3d0c8352
--- /dev/null
+++ b/volk/kernels/volk/volk_16ic_deinterleave_real_8i.h
@@ -0,0 +1,94 @@
+#ifndef INCLUDED_volk_16ic_deinterleave_real_8i_a_H
+#define INCLUDED_volk_16ic_deinterleave_real_8i_a_H
+
+#include <inttypes.h>
+#include <stdio.h>
+
+#ifdef 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_16ic_deinterleave_real_8i_a_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++ >> 8));
+    int16ComplexVectorPtr++;
+  }
+}
+#endif /* LV_HAVE_SSSE3 */
+
+#ifdef 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_16ic_deinterleave_real_8i_generic(int8_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
+  unsigned int number = 0;
+  int16_t* complexVectorPtr = (int16_t*)complexVector;
+  int8_t* iBufferPtr = iBuffer;
+  for(number = 0; number < num_points; number++){
+    *iBufferPtr++ = ((int8_t)(*complexVectorPtr++ >> 8));
+    complexVectorPtr++;
+  }
+}
+#endif /* LV_HAVE_GENERIC */
+
+#ifdef LV_HAVE_ORC
+/*!
+  \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
+*/
+extern void volk_16ic_deinterleave_real_8i_a_orc_impl(int8_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points);
+static inline void volk_16ic_deinterleave_real_8i_u_orc(int8_t* iBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
+    volk_16ic_deinterleave_real_8i_a_orc_impl(iBuffer, complexVector, num_points);
+}
+#endif /* LV_HAVE_ORC */
+
+
+#endif /* INCLUDED_volk_16ic_deinterleave_real_8i_a_H */