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volk_32f_convert_64f.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_32f_convert_64f_u_H
#define INCLUDED_volk_32f_convert_64f_u_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32f_convert_64f_u_avx(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
const float* inputVectorPtr = (const float*)inputVector;
double* outputVectorPtr = outputVector;
__m256d ret;
__m128 inputVal;
for (; number < quarterPoints; number++) {
inputVal = _mm_loadu_ps(inputVectorPtr);
inputVectorPtr += 4;
ret = _mm256_cvtps_pd(inputVal);
_mm256_storeu_pd(outputVectorPtr, ret);
outputVectorPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = (double)(inputVector[number]);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_32f_convert_64f_u_sse2(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
const float* inputVectorPtr = (const float*)inputVector;
double* outputVectorPtr = outputVector;
__m128d ret;
__m128 inputVal;
for (; number < quarterPoints; number++) {
inputVal = _mm_loadu_ps(inputVectorPtr);
inputVectorPtr += 4;
ret = _mm_cvtps_pd(inputVal);
_mm_storeu_pd(outputVectorPtr, ret);
outputVectorPtr += 2;
inputVal = _mm_movehl_ps(inputVal, inputVal);
ret = _mm_cvtps_pd(inputVal);
_mm_storeu_pd(outputVectorPtr, ret);
outputVectorPtr += 2;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = (double)(inputVector[number]);
}
}
#endif /* LV_HAVE_SSE2 */
#ifdef LV_HAVE_GENERIC
static inline void volk_32f_convert_64f_generic(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
double* outputVectorPtr = outputVector;
const float* inputVectorPtr = inputVector;
unsigned int number = 0;
for (number = 0; number < num_points; number++) {
*outputVectorPtr++ = ((double)(*inputVectorPtr++));
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_volk_32f_convert_64f_u_H */
#ifndef INCLUDED_volk_32f_convert_64f_a_H
#define INCLUDED_volk_32f_convert_64f_a_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32f_convert_64f_a_avx(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
const float* inputVectorPtr = (const float*)inputVector;
double* outputVectorPtr = outputVector;
__m256d ret;
__m128 inputVal;
for (; number < quarterPoints; number++) {
inputVal = _mm_load_ps(inputVectorPtr);
inputVectorPtr += 4;
ret = _mm256_cvtps_pd(inputVal);
_mm256_store_pd(outputVectorPtr, ret);
outputVectorPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = (double)(inputVector[number]);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_32f_convert_64f_a_sse2(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
const float* inputVectorPtr = (const float*)inputVector;
double* outputVectorPtr = outputVector;
__m128d ret;
__m128 inputVal;
for (; number < quarterPoints; number++) {
inputVal = _mm_load_ps(inputVectorPtr);
inputVectorPtr += 4;
ret = _mm_cvtps_pd(inputVal);
_mm_store_pd(outputVectorPtr, ret);
outputVectorPtr += 2;
inputVal = _mm_movehl_ps(inputVal, inputVal);
ret = _mm_cvtps_pd(inputVal);
_mm_store_pd(outputVectorPtr, ret);
outputVectorPtr += 2;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = (double)(inputVector[number]);
}
}
#endif /* LV_HAVE_SSE2 */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void volk_32f_convert_64f_neonv8(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eighth_points = num_points / 8;
const float* inputPtr = inputVector;
double* outputPtr = outputVector;
for (; number < eighth_points; number++) {
float32x4_t in0 = vld1q_f32(inputPtr);
float32x4_t in1 = vld1q_f32(inputPtr + 4);
__VOLK_PREFETCH(inputPtr + 8);
float64x2_t out0 = vcvt_f64_f32(vget_low_f32(in0));
float64x2_t out1 = vcvt_f64_f32(vget_high_f32(in0));
float64x2_t out2 = vcvt_f64_f32(vget_low_f32(in1));
float64x2_t out3 = vcvt_f64_f32(vget_high_f32(in1));
vst1q_f64(outputPtr, out0);
vst1q_f64(outputPtr + 2, out1);
vst1q_f64(outputPtr + 4, out2);
vst1q_f64(outputPtr + 6, out3);
inputPtr += 8;
outputPtr += 8;
}
number = eighth_points * 8;
for (; number < num_points; number++) {
*outputPtr++ = (double)(*inputPtr++);
}
}
#endif /* LV_HAVE_NEONV8 */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void volk_32f_convert_64f_rvv(double* outputVector,
const float* inputVector,
unsigned int num_points)
{
size_t n = num_points;
for (size_t vl; n > 0; n -= vl, inputVector += vl, outputVector += vl) {
vl = __riscv_vsetvl_e32m4(n);
vfloat32m4_t v = __riscv_vle32_v_f32m4(inputVector, vl);
__riscv_vse64(outputVector, __riscv_vfwcvt_f(v, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#endif /* INCLUDED_volk_32f_convert_64f_a_H */