cellular-infrastructure
/
osmo-trx
mirror of https://gerrit.osmocom.org/osmo-trx
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
osmo-trx/Transceiver52M/x86/convolve.c

695 lines
20 KiB
C
Raw Blame History

/*
* SSE Convolution
* Copyright (C) 2012, 2013 Thomas Tsou <tom@tsou.cc>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <malloc.h>
#include <string.h>
#include <stdio.h>
#include "convolve.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* Architecture dependant function pointers */
struct convolve_cpu_context {
void (*conv_cmplx_4n) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_cmplx_8n) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_cmplx) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real4) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real8) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real12) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real16) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real20) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real4n) (const float *, int, const float *, int, float *,
int, int, int, int, int);
void (*conv_real) (const float *, int, const float *, int, float *, int,
int, int, int, int);
};
static struct convolve_cpu_context c;
/* Forward declarations from base implementation */
int _base_convolve_real(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset);
int _base_convolve_complex(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset);
int bounds_check(int x_len, int h_len, int y_len,
int start, int len, int step);
#ifdef HAVE_SSE3
#include <xmmintrin.h>
#include <pmmintrin.h>
/* 4-tap SSE complex-real convolution */
static void sse_conv_real4(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* NOTE: The parameter list of this function has to match the parameter
* list of _base_convolve_real() in convolve_base.c. This specific
* implementation, ignores some of the parameters of
* _base_convolve_complex(), which are: x_len, y_len, offset, step */
__m128 m0, m1, m2, m3, m4, m5, m6, m7;
const float *_x = &x[2 * (-(h_len - 1) + start)];
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[0]);
m1 = _mm_load_ps(&h[4]);
m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
for (int i = 0; i < len; i++) {
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 4]);
m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m3 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m4 = _mm_mul_ps(m2, m7);
m5 = _mm_mul_ps(m3, m7);
/* Sum and store */
m6 = _mm_hadd_ps(m4, m5);
m0 = _mm_hadd_ps(m6, m6);
_mm_store_ss(&y[2 * i + 0], m0);
m0 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m0);
}
}
/* 8-tap SSE complex-real convolution */
static void sse_conv_real8(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* See NOTE in sse_conv_real4() */
__m128 m0, m1, m2, m3, m4, m5, m6, m7, m8, m9;
const float *_x = &x[2 * (-(h_len - 1) + start)];
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[0]);
m1 = _mm_load_ps(&h[4]);
m2 = _mm_load_ps(&h[8]);
m3 = _mm_load_ps(&h[12]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
for (int i = 0; i < len; i++) {
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 4]);
m2 = _mm_loadu_ps(&_x[2 * i + 8]);
m3 = _mm_loadu_ps(&_x[2 * i + 12]);
m6 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m8 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m9 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m6 = _mm_mul_ps(m6, m4);
m7 = _mm_mul_ps(m7, m4);
m8 = _mm_mul_ps(m8, m5);
m9 = _mm_mul_ps(m9, m5);
/* Sum and store */
m6 = _mm_add_ps(m6, m8);
m7 = _mm_add_ps(m7, m9);
m6 = _mm_hadd_ps(m6, m7);
m6 = _mm_hadd_ps(m6, m6);
_mm_store_ss(&y[2 * i + 0], m6);
m6 = _mm_shuffle_ps(m6, m6, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m6);
}
}
/* 12-tap SSE complex-real convolution */
static void sse_conv_real12(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* See NOTE in sse_conv_real4() */
__m128 m0, m1, m2, m3, m4, m5, m6, m7;
__m128 m8, m9, m10, m11, m12, m13, m14;
const float *_x = &x[2 * (-(h_len - 1) + start)];
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[0]);
m1 = _mm_load_ps(&h[4]);
m2 = _mm_load_ps(&h[8]);
m3 = _mm_load_ps(&h[12]);
m4 = _mm_load_ps(&h[16]);
m5 = _mm_load_ps(&h[20]);
m12 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m13 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m14 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2));
for (int i = 0; i < len; i++) {
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 4]);
m2 = _mm_loadu_ps(&_x[2 * i + 8]);
m3 = _mm_loadu_ps(&_x[2 * i + 12]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
m0 = _mm_loadu_ps(&_x[2 * i + 16]);
m1 = _mm_loadu_ps(&_x[2 * i + 20]);
m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m0 = _mm_mul_ps(m4, m12);
m1 = _mm_mul_ps(m5, m12);
m2 = _mm_mul_ps(m6, m13);
m3 = _mm_mul_ps(m7, m13);
m4 = _mm_mul_ps(m8, m14);
m5 = _mm_mul_ps(m9, m14);
/* Sum and store */
m8 = _mm_add_ps(m0, m2);
m9 = _mm_add_ps(m1, m3);
m10 = _mm_add_ps(m8, m4);
m11 = _mm_add_ps(m9, m5);
m2 = _mm_hadd_ps(m10, m11);
m3 = _mm_hadd_ps(m2, m2);
_mm_store_ss(&y[2 * i + 0], m3);
m3 = _mm_shuffle_ps(m3, m3, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m3);
}
}
/* 16-tap SSE complex-real convolution */
static void sse_conv_real16(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* See NOTE in sse_conv_real4() */
__m128 m0, m1, m2, m3, m4, m5, m6, m7;
__m128 m8, m9, m10, m11, m12, m13, m14, m15;
const float *_x = &x[2 * (-(h_len - 1) + start)];
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[0]);
m1 = _mm_load_ps(&h[4]);
m2 = _mm_load_ps(&h[8]);
m3 = _mm_load_ps(&h[12]);
m4 = _mm_load_ps(&h[16]);
m5 = _mm_load_ps(&h[20]);
m6 = _mm_load_ps(&h[24]);
m7 = _mm_load_ps(&h[28]);
m12 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m13 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m14 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2));
m15 = _mm_shuffle_ps(m6, m7, _MM_SHUFFLE(0, 2, 0, 2));
for (int i = 0; i < len; i++) {
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 4]);
m2 = _mm_loadu_ps(&_x[2 * i + 8]);
m3 = _mm_loadu_ps(&_x[2 * i + 12]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
m0 = _mm_loadu_ps(&_x[2 * i + 16]);
m1 = _mm_loadu_ps(&_x[2 * i + 20]);
m2 = _mm_loadu_ps(&_x[2 * i + 24]);
m3 = _mm_loadu_ps(&_x[2 * i + 28]);
m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m10 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m11 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m0 = _mm_mul_ps(m4, m12);
m1 = _mm_mul_ps(m5, m12);
m2 = _mm_mul_ps(m6, m13);
m3 = _mm_mul_ps(m7, m13);
m4 = _mm_mul_ps(m8, m14);
m5 = _mm_mul_ps(m9, m14);
m6 = _mm_mul_ps(m10, m15);
m7 = _mm_mul_ps(m11, m15);
/* Sum and store */
m8 = _mm_add_ps(m0, m2);
m9 = _mm_add_ps(m1, m3);
m10 = _mm_add_ps(m4, m6);
m11 = _mm_add_ps(m5, m7);
m0 = _mm_add_ps(m8, m10);
m1 = _mm_add_ps(m9, m11);
m2 = _mm_hadd_ps(m0, m1);
m3 = _mm_hadd_ps(m2, m2);
_mm_store_ss(&y[2 * i + 0], m3);
m3 = _mm_shuffle_ps(m3, m3, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m3);
}
}
/* 20-tap SSE complex-real convolution */
static void sse_conv_real20(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* See NOTE in sse_conv_real4() */
__m128 m0, m1, m2, m3, m4, m5, m6, m7;
__m128 m8, m9, m11, m12, m13, m14, m15;
const float *_x = &x[2 * (-(h_len - 1) + start)];
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[0]);
m1 = _mm_load_ps(&h[4]);
m2 = _mm_load_ps(&h[8]);
m3 = _mm_load_ps(&h[12]);
m4 = _mm_load_ps(&h[16]);
m5 = _mm_load_ps(&h[20]);
m6 = _mm_load_ps(&h[24]);
m7 = _mm_load_ps(&h[28]);
m8 = _mm_load_ps(&h[32]);
m9 = _mm_load_ps(&h[36]);
m11 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m12 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m13 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2));
m14 = _mm_shuffle_ps(m6, m7, _MM_SHUFFLE(0, 2, 0, 2));
m15 = _mm_shuffle_ps(m8, m9, _MM_SHUFFLE(0, 2, 0, 2));
for (int i = 0; i < len; i++) {
/* Multiply-accumulate first 12 taps */
m0 = _mm_loadu_ps(&_x[2 * i + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 4]);
m2 = _mm_loadu_ps(&_x[2 * i + 8]);
m3 = _mm_loadu_ps(&_x[2 * i + 12]);
m4 = _mm_loadu_ps(&_x[2 * i + 16]);
m5 = _mm_loadu_ps(&_x[2 * i + 20]);
m6 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m8 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m9 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
m0 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2));
m1 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(1, 3, 1, 3));
m2 = _mm_mul_ps(m6, m11);
m3 = _mm_mul_ps(m7, m11);
m4 = _mm_mul_ps(m8, m12);
m5 = _mm_mul_ps(m9, m12);
m6 = _mm_mul_ps(m0, m13);
m7 = _mm_mul_ps(m1, m13);
m0 = _mm_add_ps(m2, m4);
m1 = _mm_add_ps(m3, m5);
m8 = _mm_add_ps(m0, m6);
m9 = _mm_add_ps(m1, m7);
/* Multiply-accumulate last 8 taps */
m0 = _mm_loadu_ps(&_x[2 * i + 24]);
m1 = _mm_loadu_ps(&_x[2 * i + 28]);
m2 = _mm_loadu_ps(&_x[2 * i + 32]);
m3 = _mm_loadu_ps(&_x[2 * i + 36]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
m0 = _mm_mul_ps(m4, m14);
m1 = _mm_mul_ps(m5, m14);
m2 = _mm_mul_ps(m6, m15);
m3 = _mm_mul_ps(m7, m15);
m4 = _mm_add_ps(m0, m2);
m5 = _mm_add_ps(m1, m3);
/* Final sum and store */
m0 = _mm_add_ps(m8, m4);
m1 = _mm_add_ps(m9, m5);
m2 = _mm_hadd_ps(m0, m1);
m3 = _mm_hadd_ps(m2, m2);
_mm_store_ss(&y[2 * i + 0], m3);
m3 = _mm_shuffle_ps(m3, m3, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m3);
}
}
/* 4*N-tap SSE complex-real convolution */
static void sse_conv_real4n(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* See NOTE in sse_conv_real4() */
__m128 m0, m1, m2, m4, m5, m6, m7;
const float *_x = &x[2 * (-(h_len - 1) + start)];
for (int i = 0; i < len; i++) {
/* Zero */
m6 = _mm_setzero_ps();
m7 = _mm_setzero_ps();
for (int n = 0; n < h_len / 4; n++) {
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[8 * n + 0]);
m1 = _mm_load_ps(&h[8 * n + 4]);
m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 8 * n + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 8 * n + 4]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m0 = _mm_mul_ps(m2, m4);
m1 = _mm_mul_ps(m2, m5);
/* Accumulate */
m6 = _mm_add_ps(m6, m0);
m7 = _mm_add_ps(m7, m1);
}
m0 = _mm_hadd_ps(m6, m7);
m0 = _mm_hadd_ps(m0, m0);
_mm_store_ss(&y[2 * i + 0], m0);
m0 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m0);
}
}
/* 4*N-tap SSE complex-complex convolution */
static void sse_conv_cmplx_4n(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* NOTE: The parameter list of this function has to match the parameter
* list of _base_convolve_complex() in convolve_base.c. This specific
* implementation, ignores some of the parameters of
* _base_convolve_complex(), which are: x_len, y_len, offset, step. */
__m128 m0, m1, m2, m3, m4, m5, m6, m7;
const float *_x = &x[2 * (-(h_len - 1) + start)];
for (int i = 0; i < len; i++) {
/* Zero */
m6 = _mm_setzero_ps();
m7 = _mm_setzero_ps();
for (int n = 0; n < h_len / 4; n++) {
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[8 * n + 0]);
m1 = _mm_load_ps(&h[8 * n + 4]);
m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m3 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 8 * n + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 8 * n + 4]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m0 = _mm_mul_ps(m2, m4);
m1 = _mm_mul_ps(m3, m5);
m2 = _mm_mul_ps(m2, m5);
m3 = _mm_mul_ps(m3, m4);
/* Sum */
m0 = _mm_sub_ps(m0, m1);
m2 = _mm_add_ps(m2, m3);
/* Accumulate */
m6 = _mm_add_ps(m6, m0);
m7 = _mm_add_ps(m7, m2);
}
m0 = _mm_hadd_ps(m6, m7);
m0 = _mm_hadd_ps(m0, m0);
_mm_store_ss(&y[2 * i + 0], m0);
m0 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m0);
}
}
/* 8*N-tap SSE complex-complex convolution */
static void sse_conv_cmplx_8n(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len,
int step, int offset)
{
/* See NOTE in sse_conv_cmplx_4n() */
__m128 m0, m1, m2, m3, m4, m5, m6, m7;
__m128 m8, m9, m10, m11, m12, m13, m14, m15;
const float *_x = &x[2 * (-(h_len - 1) + start)];
for (int i = 0; i < len; i++) {
/* Zero */
m12 = _mm_setzero_ps();
m13 = _mm_setzero_ps();
m14 = _mm_setzero_ps();
m15 = _mm_setzero_ps();
for (int n = 0; n < h_len / 8; n++) {
/* Load (aligned) filter taps */
m0 = _mm_load_ps(&h[16 * n + 0]);
m1 = _mm_load_ps(&h[16 * n + 4]);
m2 = _mm_load_ps(&h[16 * n + 8]);
m3 = _mm_load_ps(&h[16 * n + 12]);
m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
/* Load (unaligned) input data */
m0 = _mm_loadu_ps(&_x[2 * i + 16 * n + 0]);
m1 = _mm_loadu_ps(&_x[2 * i + 16 * n + 4]);
m2 = _mm_loadu_ps(&_x[2 * i + 16 * n + 8]);
m3 = _mm_loadu_ps(&_x[2 * i + 16 * n + 12]);
m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
m10 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
m11 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
/* Quad multiply */
m0 = _mm_mul_ps(m4, m8);
m1 = _mm_mul_ps(m5, m9);
m2 = _mm_mul_ps(m6, m10);
m3 = _mm_mul_ps(m7, m11);
m4 = _mm_mul_ps(m4, m9);
m5 = _mm_mul_ps(m5, m8);
m6 = _mm_mul_ps(m6, m11);
m7 = _mm_mul_ps(m7, m10);
/* Sum */
m0 = _mm_sub_ps(m0, m1);
m2 = _mm_sub_ps(m2, m3);
m4 = _mm_add_ps(m4, m5);
m6 = _mm_add_ps(m6, m7);
/* Accumulate */
m12 = _mm_add_ps(m12, m0);
m13 = _mm_add_ps(m13, m2);
m14 = _mm_add_ps(m14, m4);
m15 = _mm_add_ps(m15, m6);
}
m0 = _mm_add_ps(m12, m13);
m1 = _mm_add_ps(m14, m15);
m2 = _mm_hadd_ps(m0, m1);
m2 = _mm_hadd_ps(m2, m2);
_mm_store_ss(&y[2 * i + 0], m2);
m2 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 3, 2, 1));
_mm_store_ss(&y[2 * i + 1], m2);
}
}
#endif
/* API: Initalize convolve module */
void convolve_init(void)
{
c.conv_cmplx_4n = (void *)_base_convolve_complex;
c.conv_cmplx_8n = (void *)_base_convolve_complex;
c.conv_cmplx = (void *)_base_convolve_complex;
c.conv_real4 = (void *)_base_convolve_real;
c.conv_real8 = (void *)_base_convolve_real;
c.conv_real12 = (void *)_base_convolve_real;
c.conv_real16 = (void *)_base_convolve_real;
c.conv_real20 = (void *)_base_convolve_real;
c.conv_real4n = (void *)_base_convolve_real;
c.conv_real = (void *)_base_convolve_real;
#ifdef HAVE_SSE3
if (__builtin_cpu_supports("sse3")) {
c.conv_cmplx_4n = sse_conv_cmplx_4n;
c.conv_cmplx_8n = sse_conv_cmplx_8n;
c.conv_real4 = sse_conv_real4;
c.conv_real8 = sse_conv_real8;
c.conv_real12 = sse_conv_real12;
c.conv_real16 = sse_conv_real16;
c.conv_real20 = sse_conv_real20;
c.conv_real4n = sse_conv_real4n;
}
#endif
}
/* API: Aligned complex-real */
int convolve_real(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len, int start, int len, int step, int offset)
{
if (bounds_check(x_len, h_len, y_len, start, len, step) < 0)
return -1;
memset(y, 0, len * 2 * sizeof(float));
if (step <= 4) {
switch (h_len) {
case 4:
c.conv_real4(x, x_len, h, h_len, y, y_len, start, len,
step, offset);
break;
case 8:
c.conv_real8(x, x_len, h, h_len, y, y_len, start, len,
step, offset);
break;
case 12:
c.conv_real12(x, x_len, h, h_len, y, y_len, start, len,
step, offset);
break;
case 16:
c.conv_real16(x, x_len, h, h_len, y, y_len, start, len,
step, offset);
break;
case 20:
c.conv_real20(x, x_len, h, h_len, y, y_len, start, len,
step, offset);
break;
default:
if (!(h_len % 4))
c.conv_real4n(x, x_len, h, h_len, y, y_len,
start, len, step, offset);
else
c.conv_real(x, x_len, h, h_len, y, y_len, start,
len, step, offset);
}
} else
c.conv_real(x, x_len, h, h_len, y, y_len, start, len, step,
offset);
return len;
}
/* API: Aligned complex-complex */
int convolve_complex(const float *x, int x_len,
const float *h, int h_len,
float *y, int y_len,
int start, int len, int step, int offset)
{
if (bounds_check(x_len, h_len, y_len, start, len, step) < 0)
return -1;
memset(y, 0, len * 2 * sizeof(float));
if (step <= 4) {
if (!(h_len % 8))
c.conv_cmplx_8n(x, x_len, h, h_len, y, y_len, start,
len, step, offset);
else if (!(h_len % 4))
c.conv_cmplx_4n(x, x_len, h, h_len, y, y_len, start,
len, step, offset);
else
c.conv_cmplx(x, x_len, h, h_len, y, y_len, start, len,
step, offset);
} else
c.conv_cmplx(x, x_len, h, h_len, y, y_len, start, len, step,
offset);
return len;
}
Reference in New Issue View Git Blame Copy Permalink