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volk_32fc_x2_add_32fc.h
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/* -*- c++ -*- */
/*
* Copyright 2018 Free Software Foundation, Inc.
*
* This file is part of VOLK
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*/
#ifndef INCLUDED_volk_32fc_x2_add_32fc_u_H
#define INCLUDED_volk_32fc_x2_add_32fc_u_H
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32fc_x2_add_32fc_u_avx(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
lv_32fc_t* cPtr = cVector;
const lv_32fc_t* aPtr = aVector;
const lv_32fc_t* bPtr = bVector;
__m256 aVal, bVal, cVal;
for (; number < quarterPoints; number++) {
aVal = _mm256_loadu_ps((float*)aPtr);
bVal = _mm256_loadu_ps((float*)bPtr);
cVal = _mm256_add_ps(aVal, bVal);
_mm256_storeu_ps((float*)cPtr,
cVal); // Store the results back into the C container
aPtr += 4;
bPtr += 4;
cPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
*cPtr++ = (*aPtr++) + (*bPtr++);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32fc_x2_add_32fc_a_avx(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
lv_32fc_t* cPtr = cVector;
const lv_32fc_t* aPtr = aVector;
const lv_32fc_t* bPtr = bVector;
__m256 aVal, bVal, cVal;
for (; number < quarterPoints; number++) {
aVal = _mm256_load_ps((float*)aPtr);
bVal = _mm256_load_ps((float*)bPtr);
cVal = _mm256_add_ps(aVal, bVal);
_mm256_store_ps((float*)cPtr,
cVal); // Store the results back into the C container
aPtr += 4;
bPtr += 4;
cPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
*cPtr++ = (*aPtr++) + (*bPtr++);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
static inline void volk_32fc_x2_add_32fc_u_sse(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int halfPoints = num_points / 2;
lv_32fc_t* cPtr = cVector;
const lv_32fc_t* aPtr = aVector;
const lv_32fc_t* bPtr = bVector;
__m128 aVal, bVal, cVal;
for (; number < halfPoints; number++) {
aVal = _mm_loadu_ps((float*)aPtr);
bVal = _mm_loadu_ps((float*)bPtr);
cVal = _mm_add_ps(aVal, bVal);
_mm_storeu_ps((float*)cPtr, cVal); // Store the results back into the C container
aPtr += 2;
bPtr += 2;
cPtr += 2;
}
number = halfPoints * 2;
for (; number < num_points; number++) {
*cPtr++ = (*aPtr++) + (*bPtr++);
}
}
#endif /* LV_HAVE_SSE */
#ifdef LV_HAVE_GENERIC
static inline void volk_32fc_x2_add_32fc_generic(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
lv_32fc_t* cPtr = cVector;
const lv_32fc_t* aPtr = aVector;
const lv_32fc_t* bPtr = bVector;
unsigned int number = 0;
for (number = 0; number < num_points; number++) {
*cPtr++ = (*aPtr++) + (*bPtr++);
}
}
#endif /* LV_HAVE_GENERIC */
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
static inline void volk_32fc_x2_add_32fc_a_sse(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int halfPoints = num_points / 2;
lv_32fc_t* cPtr = cVector;
const lv_32fc_t* aPtr = aVector;
const lv_32fc_t* bPtr = bVector;
__m128 aVal, bVal, cVal;
for (; number < halfPoints; number++) {
aVal = _mm_load_ps((float*)aPtr);
bVal = _mm_load_ps((float*)bPtr);
cVal = _mm_add_ps(aVal, bVal);
_mm_store_ps((float*)cPtr, cVal); // Store the results back into the C container
aPtr += 2;
bPtr += 2;
cPtr += 2;
}
number = halfPoints * 2;
for (; number < num_points; number++) {
*cPtr++ = (*aPtr++) + (*bPtr++);
}
}
#endif /* LV_HAVE_SSE */
#ifdef LV_HAVE_NEON
#include <arm_neon.h>
static inline void volk_32fc_x2_add_32fc_u_neon(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int halfPoints = num_points / 2;
lv_32fc_t* cPtr = cVector;
const lv_32fc_t* aPtr = aVector;
const lv_32fc_t* bPtr = bVector;
float32x4_t aVal, bVal, cVal;
for (number = 0; number < halfPoints; number++) {
// Load in to NEON registers
aVal = vld1q_f32((const float32_t*)(aPtr));
bVal = vld1q_f32((const float32_t*)(bPtr));
__VOLK_PREFETCH(aPtr + 2);
__VOLK_PREFETCH(bPtr + 2);
// vector add
cVal = vaddq_f32(aVal, bVal);
// Store the results back into the C container
vst1q_f32((float*)(cPtr), cVal);
aPtr += 2; // q uses quadwords, 4 lv_32fc_ts per vadd
bPtr += 2;
cPtr += 2;
}
number = halfPoints * 2; // should be = num_points
for (; number < num_points; number++) {
*cPtr++ = (*aPtr++) + (*bPtr++);
}
}
#endif /* LV_HAVE_NEON */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void volk_32fc_x2_add_32fc_neonv8(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
const unsigned int quarterPoints = num_points / 4;
const float* aPtr = (const float*)aVector;
const float* bPtr = (const float*)bVector;
float* cPtr = (float*)cVector;
for (unsigned int number = 0; number < quarterPoints; number++) {
float32x4_t a0 = vld1q_f32(aPtr);
float32x4_t a1 = vld1q_f32(aPtr + 4);
float32x4_t b0 = vld1q_f32(bPtr);
float32x4_t b1 = vld1q_f32(bPtr + 4);
__VOLK_PREFETCH(aPtr + 16);
__VOLK_PREFETCH(bPtr + 16);
vst1q_f32(cPtr, vaddq_f32(a0, b0));
vst1q_f32(cPtr + 4, vaddq_f32(a1, b1));
aPtr += 8;
bPtr += 8;
cPtr += 8;
}
for (unsigned int number = quarterPoints * 4; number < num_points; number++) {
cVector[number] = aVector[number] + bVector[number];
}
}
#endif /* LV_HAVE_NEONV8 */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void volk_32fc_x2_add_32fc_rvv(lv_32fc_t* cVector,
const lv_32fc_t* aVector,
const lv_32fc_t* bVector,
unsigned int num_points)
{
const float* ina = (const float*)aVector;
const float* inb = (const float*)bVector;
float* out = (float*)cVector;
size_t n = num_points * 2;
for (size_t vl; n > 0; n -= vl, ina += vl, inb += vl, out += vl) {
vl = __riscv_vsetvl_e32m8(n);
vfloat32m8_t va = __riscv_vle32_v_f32m8(ina, vl);
vfloat32m8_t vb = __riscv_vle32_v_f32m8(inb, vl);
__riscv_vse32(out, __riscv_vfadd(va, vb, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#endif /* INCLUDED_volk_32fc_x2_add_32fc_a_H */