summaryrefslogtreecommitdiff
path: root/volk/include/volk/volk_16sc_deinterleave_16s_aligned16.h
diff options
context:
space:
mode:
Diffstat (limited to 'volk/include/volk/volk_16sc_deinterleave_16s_aligned16.h')
-rw-r--r--volk/include/volk/volk_16sc_deinterleave_16s_aligned16.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/volk/include/volk/volk_16sc_deinterleave_16s_aligned16.h b/volk/include/volk/volk_16sc_deinterleave_16s_aligned16.h
new file mode 100644
index 000000000..32e13df98
--- /dev/null
+++ b/volk/include/volk/volk_16sc_deinterleave_16s_aligned16.h
@@ -0,0 +1,146 @@
+#ifndef INCLUDED_VOLK_16sc_DEINTERLEAVE_16S_ALIGNED16_H
+#define INCLUDED_VOLK_16sc_DEINTERLEAVE_16S_ALIGNED16_H
+
+#include <inttypes.h>
+#include <stdio.h>
+
+#if LV_HAVE_SSSE3
+#include <tmmintrin.h>
+/*!
+ \brief Deinterleaves the complex 16 bit vector into I & Q vector data
+ \param complexVector The complex input vector
+ \param iBuffer The I buffer output data
+ \param qBuffer The Q buffer output data
+ \param num_points The number of complex data values to be deinterleaved
+*/
+static inline void volk_16sc_deinterleave_16s_aligned16_ssse3(int16_t* iBuffer, int16_t* qBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
+ unsigned int number = 0;
+ const int8_t* complexVectorPtr = (int8_t*)complexVector;
+ int16_t* iBufferPtr = iBuffer;
+ int16_t* qBufferPtr = qBuffer;
+
+ __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 qMoveMask1 = _mm_set_epi8(0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 15, 14, 11, 10, 7, 6, 3, 2);
+ __m128i qMoveMask2 = _mm_set_epi8(15, 14, 11, 10, 7, 6, 3, 2, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80);
+
+ __m128i complexVal1, complexVal2, iOutputVal, qOutputVal;
+
+ unsigned int eighthPoints = num_points / 8;
+
+ for(number = 0; number < eighthPoints; number++){
+ complexVal1 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
+ complexVal2 = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
+
+ iOutputVal = _mm_or_si128( _mm_shuffle_epi8(complexVal1, iMoveMask1) , _mm_shuffle_epi8(complexVal2, iMoveMask2));
+ qOutputVal = _mm_or_si128( _mm_shuffle_epi8(complexVal1, qMoveMask1) , _mm_shuffle_epi8(complexVal2, qMoveMask2));
+
+ _mm_store_si128((__m128i*)iBufferPtr, iOutputVal);
+ _mm_store_si128((__m128i*)qBufferPtr, qOutputVal);
+
+ iBufferPtr += 8;
+ qBufferPtr += 8;
+ }
+
+ number = eighthPoints * 8;
+ int16_t* int16ComplexVectorPtr = (int16_t*)complexVectorPtr;
+ for(; number < num_points; number++){
+ *iBufferPtr++ = *int16ComplexVectorPtr++;
+ *qBufferPtr++ = *int16ComplexVectorPtr++;
+ }
+}
+#endif /* LV_HAVE_SSSE3 */
+
+#if LV_HAVE_SSE2
+#include <emmintrin.h>
+/*!
+ \brief Deinterleaves the complex 16 bit vector into I & Q vector data
+ \param complexVector The complex input vector
+ \param iBuffer The I buffer output data
+ \param qBuffer The Q buffer output data
+ \param num_points The number of complex data values to be deinterleaved
+*/
+static inline void volk_16sc_deinterleave_16s_aligned16_sse2(int16_t* iBuffer, int16_t* qBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
+ unsigned int number = 0;
+ const int16_t* complexVectorPtr = (int16_t*)complexVector;
+ int16_t* iBufferPtr = iBuffer;
+ int16_t* qBufferPtr = qBuffer;
+ __m128i complexVal1, complexVal2, iComplexVal1, iComplexVal2, qComplexVal1, qComplexVal2, iOutputVal, qOutputVal;
+ __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;
+
+ iComplexVal1 = _mm_shufflelo_epi16(complexVal1, _MM_SHUFFLE(3,1,2,0));
+
+ iComplexVal1 = _mm_shufflehi_epi16(iComplexVal1, _MM_SHUFFLE(3,1,2,0));
+
+ iComplexVal1 = _mm_shuffle_epi32(iComplexVal1, _MM_SHUFFLE(3,1,2,0));
+
+ iComplexVal2 = _mm_shufflelo_epi16(complexVal2, _MM_SHUFFLE(3,1,2,0));
+
+ iComplexVal2 = _mm_shufflehi_epi16(iComplexVal2, _MM_SHUFFLE(3,1,2,0));
+
+ iComplexVal2 = _mm_shuffle_epi32(iComplexVal2, _MM_SHUFFLE(2,0,3,1));
+
+ iOutputVal = _mm_or_si128(_mm_and_si128(iComplexVal1, lowMask), _mm_and_si128(iComplexVal2, highMask));
+
+ _mm_store_si128((__m128i*)iBufferPtr, iOutputVal);
+
+ qComplexVal1 = _mm_shufflelo_epi16(complexVal1, _MM_SHUFFLE(2,0,3,1));
+
+ qComplexVal1 = _mm_shufflehi_epi16(qComplexVal1, _MM_SHUFFLE(2,0,3,1));
+
+ qComplexVal1 = _mm_shuffle_epi32(qComplexVal1, _MM_SHUFFLE(3,1,2,0));
+
+ qComplexVal2 = _mm_shufflelo_epi16(complexVal2, _MM_SHUFFLE(2,0,3,1));
+
+ qComplexVal2 = _mm_shufflehi_epi16(qComplexVal2, _MM_SHUFFLE(2,0,3,1));
+
+ qComplexVal2 = _mm_shuffle_epi32(qComplexVal2, _MM_SHUFFLE(2,0,3,1));
+
+ qOutputVal = _mm_or_si128(_mm_and_si128(qComplexVal1, lowMask), _mm_and_si128(qComplexVal2, highMask));
+
+ _mm_store_si128((__m128i*)qBufferPtr, qOutputVal);
+
+ iBufferPtr += 8;
+ qBufferPtr += 8;
+ }
+
+ number = eighthPoints * 8;
+ for(; number < num_points; number++){
+ *iBufferPtr++ = *complexVectorPtr++;
+ *qBufferPtr++ = *complexVectorPtr++;
+ }
+}
+#endif /* LV_HAVE_SSE2 */
+
+#if LV_HAVE_GENERIC
+/*!
+ \brief Deinterleaves the complex 16 bit vector into I & Q vector data
+ \param complexVector The complex input vector
+ \param iBuffer The I buffer output data
+ \param qBuffer The Q buffer output data
+ \param num_points The number of complex data values to be deinterleaved
+*/
+static inline void volk_16sc_deinterleave_16s_aligned16_generic(int16_t* iBuffer, int16_t* qBuffer, const lv_16sc_t* complexVector, unsigned int num_points){
+ const int16_t* complexVectorPtr = (const int16_t*)complexVector;
+ int16_t* iBufferPtr = iBuffer;
+ int16_t* qBufferPtr = qBuffer;
+ unsigned int number;
+ for(number = 0; number < num_points; number++){
+ *iBufferPtr++ = *complexVectorPtr++;
+ *qBufferPtr++ = *complexVectorPtr++;
+ }
+}
+#endif /* LV_HAVE_GENERIC */
+
+
+
+
+#endif /* INCLUDED_VOLK_16sc_DEINTERLEAVE_16S_ALIGNED16_H */