55 #ifndef INCLUDED_volk_8ic_s32f_deinterleave_real_32f_a_H
56 #define INCLUDED_volk_8ic_s32f_deinterleave_real_32f_a_H
63 #include <smmintrin.h>
66 volk_8ic_s32f_deinterleave_real_32f_a_sse4_1(
float* iBuffer,
const lv_8sc_t* complexVector,
67 const float scalar,
unsigned int num_points)
69 float* iBufferPtr = iBuffer;
71 unsigned int number = 0;
72 const unsigned int eighthPoints = num_points / 8;
75 const float iScalar= 1.0 / scalar;
76 __m128 invScalar = _mm_set_ps1(iScalar);
77 __m128i complexVal, iIntVal;
80 __m128i moveMask = _mm_set_epi8(0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 14, 12, 10, 8, 6, 4, 2, 0);
82 for(;number < eighthPoints; number++){
83 complexVal = _mm_load_si128((__m128i*)complexVectorPtr); complexVectorPtr += 16;
84 complexVal = _mm_shuffle_epi8(complexVal, moveMask);
86 iIntVal = _mm_cvtepi8_epi32(complexVal);
87 iFloatValue = _mm_cvtepi32_ps(iIntVal);
89 iFloatValue = _mm_mul_ps(iFloatValue, invScalar);
91 _mm_store_ps(iBufferPtr, iFloatValue);
95 complexVal = _mm_srli_si128(complexVal, 4);
96 iIntVal = _mm_cvtepi8_epi32(complexVal);
97 iFloatValue = _mm_cvtepi32_ps(iIntVal);
99 iFloatValue = _mm_mul_ps(iFloatValue, invScalar);
101 _mm_store_ps(iBufferPtr, iFloatValue);
106 number = eighthPoints * 8;
107 for(; number < num_points; number++){
108 *iBufferPtr++ = (float)(*complexVectorPtr++) * iScalar;
117 #include <xmmintrin.h>
120 volk_8ic_s32f_deinterleave_real_32f_a_sse(
float* iBuffer,
const lv_8sc_t* complexVector,
121 const float scalar,
unsigned int num_points)
123 float* iBufferPtr = iBuffer;
125 unsigned int number = 0;
126 const unsigned int quarterPoints = num_points / 4;
129 const float iScalar= 1.0 / scalar;
130 __m128 invScalar = _mm_set_ps1(iScalar);
135 for(;number < quarterPoints; number++){
136 floatBuffer[0] = (float)(*complexVectorPtr); complexVectorPtr += 2;
137 floatBuffer[1] = (float)(*complexVectorPtr); complexVectorPtr += 2;
138 floatBuffer[2] = (float)(*complexVectorPtr); complexVectorPtr += 2;
139 floatBuffer[3] = (float)(*complexVectorPtr); complexVectorPtr += 2;
141 iValue = _mm_load_ps(floatBuffer);
143 iValue = _mm_mul_ps(iValue, invScalar);
145 _mm_store_ps(iBufferPtr, iValue);
150 number = quarterPoints * 4;
151 for(; number < num_points; number++){
152 *iBufferPtr++ = (float)(*complexVectorPtr++) * iScalar;
160 #ifdef LV_HAVE_GENERIC
163 volk_8ic_s32f_deinterleave_real_32f_generic(
float* iBuffer,
const lv_8sc_t* complexVector,
164 const float scalar,
unsigned int num_points)
166 unsigned int number = 0;
167 const int8_t* complexVectorPtr = (
const int8_t*)complexVector;
168 float* iBufferPtr = iBuffer;
169 const float invScalar = 1.0 / scalar;
170 for(number = 0; number < num_points; number++){
171 *iBufferPtr++ = ((float)(*complexVectorPtr++)) * invScalar;
signed char int8_t
Definition: stdint.h:75
#define __VOLK_ATTR_ALIGNED(x)
Definition: volk_common.h:27
char complex lv_8sc_t
Provide typedefs and operators for all complex types in C and C++.
Definition: volk_complex.h:52