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authorTom Rondeau2011-08-27 16:44:32 -0400
committerTom Rondeau2011-08-27 16:44:32 -0400
commit54881f8803d4f796dde2af031e6f1a37df9445f1 (patch)
treeb1e4e6c34004f22a29c03815ed3ae49065693dce /volk/include/volk/volk_16ic_deinterleave_real_16i_a.h
parent50cde24aea52d66d69313a490f7eab78a5085849 (diff)
parentf4cc7884c608a7ec1969e68b73e12cdbcc26145c (diff)
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Merge branch 'master' of gnuradio.org:gnuradio
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diff --git a/volk/include/volk/volk_16ic_deinterleave_real_16i_a.h b/volk/include/volk/volk_16ic_deinterleave_real_16i_a.h
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+#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 */