| Index: src/libFLAC/lpc_intrin_sse.c
|
| diff --git a/src/libFLAC/lpc_intrin_sse.c b/src/libFLAC/lpc_intrin_sse.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..81bf586e189a05c58de05f9901f319ffb045ef8d
|
| --- /dev/null
|
| +++ b/src/libFLAC/lpc_intrin_sse.c
|
| @@ -0,0 +1,451 @@
|
| +/* libFLAC - Free Lossless Audio Codec library
|
| + * Copyright (C) 2000-2009 Josh Coalson
|
| + * Copyright (C) 2011-2014 Xiph.Org Foundation
|
| + *
|
| + * Redistribution and use in source and binary forms, with or without
|
| + * modification, are permitted provided that the following conditions
|
| + * are met:
|
| + *
|
| + * - Redistributions of source code must retain the above copyright
|
| + * notice, this list of conditions and the following disclaimer.
|
| + *
|
| + * - Redistributions in binary form must reproduce the above copyright
|
| + * notice, this list of conditions and the following disclaimer in the
|
| + * documentation and/or other materials provided with the distribution.
|
| + *
|
| + * - Neither the name of the Xiph.org Foundation nor the names of its
|
| + * contributors may be used to endorse or promote products derived from
|
| + * this software without specific prior written permission.
|
| + *
|
| + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
| + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
| + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
| + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
| + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
| + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| + */
|
| +
|
| +#ifdef HAVE_CONFIG_H
|
| +# include <config.h>
|
| +#endif
|
| +
|
| +#ifndef FLAC__INTEGER_ONLY_LIBRARY
|
| +#ifndef FLAC__NO_ASM
|
| +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
|
| +#include "private/lpc.h"
|
| +#ifdef FLAC__SSE_SUPPORTED
|
| +
|
| +#include "FLAC/assert.h"
|
| +#include "FLAC/format.h"
|
| +
|
| +#include <xmmintrin.h> /* SSE */
|
| +
|
| +#if 1
|
| +/* Faster on current Intel (starting from Core i aka Nehalem) and all AMD CPUs */
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + int i;
|
| + int limit = data_len - 4;
|
| + __m128 sum0;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag <= 4);
|
| + FLAC__ASSERT(lag <= data_len);
|
| +
|
| + sum0 = _mm_setzero_ps();
|
| +
|
| + for(i = 0; i <= limit; i++) {
|
| + __m128 d, d0;
|
| + d0 = _mm_loadu_ps(data+i);
|
| + d = d0; d = _mm_shuffle_ps(d, d, 0);
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
|
| + }
|
| +
|
| + {
|
| + __m128 d0 = _mm_setzero_ps();
|
| + limit++; if(limit < 0) limit = 0;
|
| +
|
| + for(i = data_len-1; i >= limit; i--) {
|
| + __m128 d;
|
| + d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
|
| + d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
|
| + d0 = _mm_move_ss(d0, d);
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
|
| + }
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, sum0);
|
| +}
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + int i;
|
| + int limit = data_len - 8;
|
| + __m128 sum0, sum1;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag <= 8);
|
| + FLAC__ASSERT(lag <= data_len);
|
| +
|
| + sum0 = _mm_setzero_ps();
|
| + sum1 = _mm_setzero_ps();
|
| +
|
| + for(i = 0; i <= limit; i++) {
|
| + __m128 d, d0, d1;
|
| + d0 = _mm_loadu_ps(data+i);
|
| + d1 = _mm_loadu_ps(data+i+4);
|
| + d = d0; d = _mm_shuffle_ps(d, d, 0);
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
|
| + sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
|
| + }
|
| +
|
| + {
|
| + __m128 d0 = _mm_setzero_ps();
|
| + __m128 d1 = _mm_setzero_ps();
|
| + limit++; if(limit < 0) limit = 0;
|
| +
|
| + for(i = data_len-1; i >= limit; i--) {
|
| + __m128 d;
|
| + d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
|
| + d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
|
| + d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
|
| + d1 = _mm_move_ss(d1, d0);
|
| + d0 = _mm_move_ss(d0, d);
|
| + sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
|
| + }
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, sum0);
|
| + _mm_storeu_ps(autoc+4, sum1);
|
| +}
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + int i;
|
| + int limit = data_len - 12;
|
| + __m128 sum0, sum1, sum2;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag <= 12);
|
| + FLAC__ASSERT(lag <= data_len);
|
| +
|
| + sum0 = _mm_setzero_ps();
|
| + sum1 = _mm_setzero_ps();
|
| + sum2 = _mm_setzero_ps();
|
| +
|
| + for(i = 0; i <= limit; i++) {
|
| + __m128 d, d0, d1, d2;
|
| + d0 = _mm_loadu_ps(data+i);
|
| + d1 = _mm_loadu_ps(data+i+4);
|
| + d2 = _mm_loadu_ps(data+i+8);
|
| + d = d0; d = _mm_shuffle_ps(d, d, 0);
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
|
| + sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
|
| + sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
|
| + }
|
| +
|
| + {
|
| + __m128 d0 = _mm_setzero_ps();
|
| + __m128 d1 = _mm_setzero_ps();
|
| + __m128 d2 = _mm_setzero_ps();
|
| + limit++; if(limit < 0) limit = 0;
|
| +
|
| + for(i = data_len-1; i >= limit; i--) {
|
| + __m128 d;
|
| + d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
|
| + d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
|
| + d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
|
| + d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
|
| + d2 = _mm_move_ss(d2, d1);
|
| + d1 = _mm_move_ss(d1, d0);
|
| + d0 = _mm_move_ss(d0, d);
|
| + sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
|
| + sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
|
| + }
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, sum0);
|
| + _mm_storeu_ps(autoc+4, sum1);
|
| + _mm_storeu_ps(autoc+8, sum2);
|
| +}
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + int i;
|
| + int limit = data_len - 16;
|
| + __m128 sum0, sum1, sum2, sum3;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag <= 16);
|
| + FLAC__ASSERT(lag <= data_len);
|
| +
|
| + sum0 = _mm_setzero_ps();
|
| + sum1 = _mm_setzero_ps();
|
| + sum2 = _mm_setzero_ps();
|
| + sum3 = _mm_setzero_ps();
|
| +
|
| + for(i = 0; i <= limit; i++) {
|
| + __m128 d, d0, d1, d2, d3;
|
| + d0 = _mm_loadu_ps(data+i);
|
| + d1 = _mm_loadu_ps(data+i+4);
|
| + d2 = _mm_loadu_ps(data+i+8);
|
| + d3 = _mm_loadu_ps(data+i+12);
|
| + d = d0; d = _mm_shuffle_ps(d, d, 0);
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
|
| + sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
|
| + sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
|
| + sum3 = _mm_add_ps(sum3, _mm_mul_ps(d3, d));
|
| + }
|
| +
|
| + {
|
| + __m128 d0 = _mm_setzero_ps();
|
| + __m128 d1 = _mm_setzero_ps();
|
| + __m128 d2 = _mm_setzero_ps();
|
| + __m128 d3 = _mm_setzero_ps();
|
| + limit++; if(limit < 0) limit = 0;
|
| +
|
| + for(i = data_len-1; i >= limit; i--) {
|
| + __m128 d;
|
| + d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
|
| + d3 = _mm_shuffle_ps(d3, d3, _MM_SHUFFLE(2,1,0,3));
|
| + d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
|
| + d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
|
| + d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
|
| + d3 = _mm_move_ss(d3, d2);
|
| + d2 = _mm_move_ss(d2, d1);
|
| + d1 = _mm_move_ss(d1, d0);
|
| + d0 = _mm_move_ss(d0, d);
|
| + sum3 = _mm_add_ps(sum3, _mm_mul_ps(d, d3));
|
| + sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
|
| + sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
|
| + sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
|
| + }
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, sum0);
|
| + _mm_storeu_ps(autoc+4, sum1);
|
| + _mm_storeu_ps(autoc+8, sum2);
|
| + _mm_storeu_ps(autoc+12,sum3);
|
| +}
|
| +
|
| +#else
|
| +/* Faster on older Intel CPUs (up to Core 2) */
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + __m128 xmm0, xmm2, xmm5;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag > 0);
|
| + FLAC__ASSERT(lag <= 4);
|
| + FLAC__ASSERT(lag <= data_len);
|
| + FLAC__ASSERT(data_len > 0);
|
| +
|
| + xmm5 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_load_ss(data++);
|
| + xmm2 = xmm0;
|
| + xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
|
| +
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm5 = _mm_add_ps(xmm5, xmm0);
|
| +
|
| + data_len--;
|
| +
|
| + while(data_len)
|
| + {
|
| + xmm0 = _mm_load1_ps(data++);
|
| +
|
| + xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
|
| + xmm2 = _mm_move_ss(xmm2, xmm0);
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm5 = _mm_add_ps(xmm5, xmm0);
|
| +
|
| + data_len--;
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, xmm5);
|
| +}
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + __m128 xmm0, xmm1, xmm2, xmm3, xmm5, xmm6;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag > 0);
|
| + FLAC__ASSERT(lag <= 8);
|
| + FLAC__ASSERT(lag <= data_len);
|
| + FLAC__ASSERT(data_len > 0);
|
| +
|
| + xmm5 = _mm_setzero_ps();
|
| + xmm6 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_load_ss(data++);
|
| + xmm2 = xmm0;
|
| + xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
|
| + xmm3 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm5 = _mm_add_ps(xmm5, xmm0);
|
| +
|
| + data_len--;
|
| +
|
| + while(data_len)
|
| + {
|
| + xmm0 = _mm_load1_ps(data++);
|
| +
|
| + xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
|
| + xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
|
| + xmm3 = _mm_move_ss(xmm3, xmm2);
|
| + xmm2 = _mm_move_ss(xmm2, xmm0);
|
| +
|
| + xmm1 = xmm0;
|
| + xmm1 = _mm_mul_ps(xmm1, xmm3);
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm6 = _mm_add_ps(xmm6, xmm1);
|
| + xmm5 = _mm_add_ps(xmm5, xmm0);
|
| +
|
| + data_len--;
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, xmm5);
|
| + _mm_storeu_ps(autoc+4, xmm6);
|
| +}
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + __m128 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag > 0);
|
| + FLAC__ASSERT(lag <= 12);
|
| + FLAC__ASSERT(lag <= data_len);
|
| + FLAC__ASSERT(data_len > 0);
|
| +
|
| + xmm5 = _mm_setzero_ps();
|
| + xmm6 = _mm_setzero_ps();
|
| + xmm7 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_load_ss(data++);
|
| + xmm2 = xmm0;
|
| + xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
|
| + xmm3 = _mm_setzero_ps();
|
| + xmm4 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm5 = _mm_add_ps(xmm5, xmm0);
|
| +
|
| + data_len--;
|
| +
|
| + while(data_len)
|
| + {
|
| + xmm0 = _mm_load1_ps(data++);
|
| +
|
| + xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
|
| + xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
|
| + xmm4 = _mm_shuffle_ps(xmm4, xmm4, _MM_SHUFFLE(2,1,0,3));
|
| + xmm4 = _mm_move_ss(xmm4, xmm3);
|
| + xmm3 = _mm_move_ss(xmm3, xmm2);
|
| + xmm2 = _mm_move_ss(xmm2, xmm0);
|
| +
|
| + xmm1 = xmm0;
|
| + xmm1 = _mm_mul_ps(xmm1, xmm2);
|
| + xmm5 = _mm_add_ps(xmm5, xmm1);
|
| + xmm1 = xmm0;
|
| + xmm1 = _mm_mul_ps(xmm1, xmm3);
|
| + xmm6 = _mm_add_ps(xmm6, xmm1);
|
| + xmm0 = _mm_mul_ps(xmm0, xmm4);
|
| + xmm7 = _mm_add_ps(xmm7, xmm0);
|
| +
|
| + data_len--;
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, xmm5);
|
| + _mm_storeu_ps(autoc+4, xmm6);
|
| + _mm_storeu_ps(autoc+8, xmm7);
|
| +}
|
| +
|
| +FLAC__SSE_TARGET("sse")
|
| +void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
|
| +{
|
| + __m128 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9;
|
| +
|
| + (void) lag;
|
| + FLAC__ASSERT(lag > 0);
|
| + FLAC__ASSERT(lag <= 16);
|
| + FLAC__ASSERT(lag <= data_len);
|
| + FLAC__ASSERT(data_len > 0);
|
| +
|
| + xmm6 = _mm_setzero_ps();
|
| + xmm7 = _mm_setzero_ps();
|
| + xmm8 = _mm_setzero_ps();
|
| + xmm9 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_load_ss(data++);
|
| + xmm2 = xmm0;
|
| + xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
|
| + xmm3 = _mm_setzero_ps();
|
| + xmm4 = _mm_setzero_ps();
|
| + xmm5 = _mm_setzero_ps();
|
| +
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm6 = _mm_add_ps(xmm6, xmm0);
|
| +
|
| + data_len--;
|
| +
|
| + while(data_len)
|
| + {
|
| + xmm0 = _mm_load1_ps(data++);
|
| +
|
| + /* shift xmm5:xmm4:xmm3:xmm2 left by one float */
|
| + xmm5 = _mm_shuffle_ps(xmm5, xmm5, _MM_SHUFFLE(2,1,0,3));
|
| + xmm4 = _mm_shuffle_ps(xmm4, xmm4, _MM_SHUFFLE(2,1,0,3));
|
| + xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
|
| + xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
|
| + xmm5 = _mm_move_ss(xmm5, xmm4);
|
| + xmm4 = _mm_move_ss(xmm4, xmm3);
|
| + xmm3 = _mm_move_ss(xmm3, xmm2);
|
| + xmm2 = _mm_move_ss(xmm2, xmm0);
|
| +
|
| + /* xmm9|xmm8|xmm7|xmm6 += xmm0|xmm0|xmm0|xmm0 * xmm5|xmm4|xmm3|xmm2 */
|
| + xmm1 = xmm0;
|
| + xmm1 = _mm_mul_ps(xmm1, xmm5);
|
| + xmm9 = _mm_add_ps(xmm9, xmm1);
|
| + xmm1 = xmm0;
|
| + xmm1 = _mm_mul_ps(xmm1, xmm4);
|
| + xmm8 = _mm_add_ps(xmm8, xmm1);
|
| + xmm1 = xmm0;
|
| + xmm1 = _mm_mul_ps(xmm1, xmm3);
|
| + xmm7 = _mm_add_ps(xmm7, xmm1);
|
| + xmm0 = _mm_mul_ps(xmm0, xmm2);
|
| + xmm6 = _mm_add_ps(xmm6, xmm0);
|
| +
|
| + data_len--;
|
| + }
|
| +
|
| + _mm_storeu_ps(autoc, xmm6);
|
| + _mm_storeu_ps(autoc+4, xmm7);
|
| + _mm_storeu_ps(autoc+8, xmm8);
|
| + _mm_storeu_ps(autoc+12,xmm9);
|
| +}
|
| +#endif
|
| +
|
| +#endif /* FLAC__SSE_SUPPORTED */
|
| +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
|
| +#endif /* FLAC__NO_ASM */
|
| +#endif /* FLAC__INTEGER_ONLY_LIBRARY */
|
|
|