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volk_32fc_deinterleave_64f_x2.h
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/* -*- c++ -*- */
/*
* Copyright 2012, 2014 Free Software Foundation, Inc.
*
* This file is part of VOLK
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*/
#ifndef INCLUDED_volk_32fc_deinterleave_64f_x2_u_H
#define INCLUDED_volk_32fc_deinterleave_64f_x2_u_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32fc_deinterleave_64f_x2_u_avx(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
unsigned int number = 0;
const float* complexVectorPtr = (float*)complexVector;
double* iBufferPtr = iBuffer;
double* qBufferPtr = qBuffer;
const unsigned int quarterPoints = num_points / 4;
__m256 cplxValue;
__m128 complexH, complexL, fVal;
__m256d dVal;
for (; number < quarterPoints; number++) {
cplxValue = _mm256_loadu_ps(complexVectorPtr);
complexVectorPtr += 8;
complexH = _mm256_extractf128_ps(cplxValue, 1);
complexL = _mm256_extractf128_ps(cplxValue, 0);
// Arrange in i1i2i1i2 format
fVal = _mm_shuffle_ps(complexL, complexH, _MM_SHUFFLE(2, 0, 2, 0));
dVal = _mm256_cvtps_pd(fVal);
_mm256_storeu_pd(iBufferPtr, dVal);
// Arrange in q1q2q1q2 format
fVal = _mm_shuffle_ps(complexL, complexH, _MM_SHUFFLE(3, 1, 3, 1));
dVal = _mm256_cvtps_pd(fVal);
_mm256_storeu_pd(qBufferPtr, dVal);
iBufferPtr += 4;
qBufferPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
*iBufferPtr++ = *complexVectorPtr++;
*qBufferPtr++ = *complexVectorPtr++;
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_32fc_deinterleave_64f_x2_u_sse2(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
unsigned int number = 0;
const float* complexVectorPtr = (float*)complexVector;
double* iBufferPtr = iBuffer;
double* qBufferPtr = qBuffer;
const unsigned int halfPoints = num_points / 2;
__m128 cplxValue, fVal;
__m128d dVal;
for (; number < halfPoints; number++) {
cplxValue = _mm_loadu_ps(complexVectorPtr);
complexVectorPtr += 4;
// Arrange in i1i2i1i2 format
fVal = _mm_shuffle_ps(cplxValue, cplxValue, _MM_SHUFFLE(2, 0, 2, 0));
dVal = _mm_cvtps_pd(fVal);
_mm_storeu_pd(iBufferPtr, dVal);
// Arrange in q1q2q1q2 format
fVal = _mm_shuffle_ps(cplxValue, cplxValue, _MM_SHUFFLE(3, 1, 3, 1));
dVal = _mm_cvtps_pd(fVal);
_mm_storeu_pd(qBufferPtr, dVal);
iBufferPtr += 2;
qBufferPtr += 2;
}
number = halfPoints * 2;
for (; number < num_points; number++) {
*iBufferPtr++ = *complexVectorPtr++;
*qBufferPtr++ = *complexVectorPtr++;
}
}
#endif /* LV_HAVE_SSE */
#ifdef LV_HAVE_GENERIC
static inline void volk_32fc_deinterleave_64f_x2_generic(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
unsigned int number = 0;
const float* complexVectorPtr = (float*)complexVector;
double* iBufferPtr = iBuffer;
double* qBufferPtr = qBuffer;
for (number = 0; number < num_points; number++) {
*iBufferPtr++ = (double)*complexVectorPtr++;
*qBufferPtr++ = (double)*complexVectorPtr++;
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_volk_32fc_deinterleave_64f_x2_u_H */
#ifndef INCLUDED_volk_32fc_deinterleave_64f_x2_a_H
#define INCLUDED_volk_32fc_deinterleave_64f_x2_a_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32fc_deinterleave_64f_x2_a_avx(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
unsigned int number = 0;
const float* complexVectorPtr = (float*)complexVector;
double* iBufferPtr = iBuffer;
double* qBufferPtr = qBuffer;
const unsigned int quarterPoints = num_points / 4;
__m256 cplxValue;
__m128 complexH, complexL, fVal;
__m256d dVal;
for (; number < quarterPoints; number++) {
cplxValue = _mm256_load_ps(complexVectorPtr);
complexVectorPtr += 8;
complexH = _mm256_extractf128_ps(cplxValue, 1);
complexL = _mm256_extractf128_ps(cplxValue, 0);
// Arrange in i1i2i1i2 format
fVal = _mm_shuffle_ps(complexL, complexH, _MM_SHUFFLE(2, 0, 2, 0));
dVal = _mm256_cvtps_pd(fVal);
_mm256_store_pd(iBufferPtr, dVal);
// Arrange in q1q2q1q2 format
fVal = _mm_shuffle_ps(complexL, complexH, _MM_SHUFFLE(3, 1, 3, 1));
dVal = _mm256_cvtps_pd(fVal);
_mm256_store_pd(qBufferPtr, dVal);
iBufferPtr += 4;
qBufferPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
*iBufferPtr++ = *complexVectorPtr++;
*qBufferPtr++ = *complexVectorPtr++;
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_32fc_deinterleave_64f_x2_a_sse2(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
unsigned int number = 0;
const float* complexVectorPtr = (float*)complexVector;
double* iBufferPtr = iBuffer;
double* qBufferPtr = qBuffer;
const unsigned int halfPoints = num_points / 2;
__m128 cplxValue, fVal;
__m128d dVal;
for (; number < halfPoints; number++) {
cplxValue = _mm_load_ps(complexVectorPtr);
complexVectorPtr += 4;
// Arrange in i1i2i1i2 format
fVal = _mm_shuffle_ps(cplxValue, cplxValue, _MM_SHUFFLE(2, 0, 2, 0));
dVal = _mm_cvtps_pd(fVal);
_mm_store_pd(iBufferPtr, dVal);
// Arrange in q1q2q1q2 format
fVal = _mm_shuffle_ps(cplxValue, cplxValue, _MM_SHUFFLE(3, 1, 3, 1));
dVal = _mm_cvtps_pd(fVal);
_mm_store_pd(qBufferPtr, dVal);
iBufferPtr += 2;
qBufferPtr += 2;
}
number = halfPoints * 2;
for (; number < num_points; number++) {
*iBufferPtr++ = *complexVectorPtr++;
*qBufferPtr++ = *complexVectorPtr++;
}
}
#endif /* LV_HAVE_SSE */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void volk_32fc_deinterleave_64f_x2_neon(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
unsigned int number = 0;
unsigned int half_points = num_points / 2;
const float* complexVectorPtr = (float*)complexVector;
double* iBufferPtr = iBuffer;
double* qBufferPtr = qBuffer;
float32x2x2_t complexInput;
float64x2_t iVal, qVal;
for (number = 0; number < half_points; number++) {
complexInput = vld2_f32(complexVectorPtr);
iVal = vcvt_f64_f32(complexInput.val[0]);
qVal = vcvt_f64_f32(complexInput.val[1]);
vst1q_f64(iBufferPtr, iVal);
vst1q_f64(qBufferPtr, qVal);
complexVectorPtr += 4;
iBufferPtr += 2;
qBufferPtr += 2;
}
for (number = half_points * 2; number < num_points; number++) {
*iBufferPtr++ = (double)*complexVectorPtr++;
*qBufferPtr++ = (double)*complexVectorPtr++;
}
}
#endif /* LV_HAVE_NEONV8 */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void volk_32fc_deinterleave_64f_x2_rvv(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
size_t n = num_points;
for (size_t vl; n > 0; n -= vl, complexVector += vl, iBuffer += vl, qBuffer += vl) {
vl = __riscv_vsetvl_e32m4(n);
vuint64m8_t vc = __riscv_vle64_v_u64m8((const uint64_t*)complexVector, vl);
vfloat32m4_t vr = __riscv_vreinterpret_f32m4(__riscv_vnsrl(vc, 0, vl));
vfloat32m4_t vi = __riscv_vreinterpret_f32m4(__riscv_vnsrl(vc, 32, vl));
__riscv_vse64(iBuffer, __riscv_vfwcvt_f(vr, vl), vl);
__riscv_vse64(qBuffer, __riscv_vfwcvt_f(vi, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#ifdef LV_HAVE_RVVSEG
#include <riscv_vector.h>
static inline void volk_32fc_deinterleave_64f_x2_rvvseg(double* iBuffer,
double* qBuffer,
const lv_32fc_t* complexVector,
unsigned int num_points)
{
size_t n = num_points;
for (size_t vl; n > 0; n -= vl, complexVector += vl, iBuffer += vl, qBuffer += vl) {
vl = __riscv_vsetvl_e32m4(n);
vfloat32m4x2_t vc = __riscv_vlseg2e32_v_f32m4x2((const float*)complexVector, vl);
vfloat32m4_t vr = __riscv_vget_f32m4(vc, 0);
vfloat32m4_t vi = __riscv_vget_f32m4(vc, 1);
__riscv_vse64(iBuffer, __riscv_vfwcvt_f(vr, vl), vl);
__riscv_vse64(qBuffer, __riscv_vfwcvt_f(vi, vl), vl);
}
}
#endif /*LV_HAVE_RVVSEG*/
#endif /* INCLUDED_volk_32fc_deinterleave_64f_x2_a_H */