455 lines
12 KiB
C
455 lines
12 KiB
C
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/* libFLAC - Free Lossless Audio Codec library
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* Copyright (C) 2000-2009 Josh Coalson
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* Copyright (C) 2011-2016 Xiph.Org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "private/cpu.h"
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#ifndef FLAC__INTEGER_ONLY_LIBRARY
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#ifndef FLAC__NO_ASM
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#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
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#include "private/lpc.h"
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#ifdef FLAC__SSE_SUPPORTED
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#include "FLAC/assert.h"
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#include "FLAC/format.h"
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#include <xmmintrin.h> /* SSE */
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/* new routines: more unaligned loads, less shuffle
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* old routines: less unaligned loads, more shuffle
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* these *_old routines are equivalent to the ASM routines in ia32/lpc_asm.nasm
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*/
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/* new routines: faster on current Intel (starting from Core i aka Nehalem) and all AMD CPUs */
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FLAC__SSE_TARGET("sse")
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void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
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{
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int i;
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int limit = data_len - 4;
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__m128 sum0;
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(void) lag;
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FLAC__ASSERT(lag <= 4);
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FLAC__ASSERT(lag <= data_len);
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sum0 = _mm_setzero_ps();
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for(i = 0; i <= limit; i++) {
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__m128 d, d0;
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d0 = _mm_loadu_ps(data+i);
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d = _mm_shuffle_ps(d0, d0, 0);
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
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}
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{
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__m128 d0 = _mm_setzero_ps();
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limit++; if(limit < 0) limit = 0;
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for(i = data_len-1; i >= limit; i--) {
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__m128 d;
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d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
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d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
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d0 = _mm_move_ss(d0, d);
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
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}
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}
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_mm_storeu_ps(autoc, sum0);
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}
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FLAC__SSE_TARGET("sse")
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void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
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{
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int i;
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int limit = data_len - 8;
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__m128 sum0, sum1;
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(void) lag;
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FLAC__ASSERT(lag <= 8);
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FLAC__ASSERT(lag <= data_len);
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sum0 = _mm_setzero_ps();
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sum1 = _mm_setzero_ps();
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for(i = 0; i <= limit; i++) {
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__m128 d, d0, d1;
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d0 = _mm_loadu_ps(data+i);
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d1 = _mm_loadu_ps(data+i+4);
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d = _mm_shuffle_ps(d0, d0, 0);
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
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sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
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}
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{
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__m128 d0 = _mm_setzero_ps();
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__m128 d1 = _mm_setzero_ps();
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limit++; if(limit < 0) limit = 0;
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for(i = data_len-1; i >= limit; i--) {
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__m128 d;
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d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
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d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
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d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
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d1 = _mm_move_ss(d1, d0);
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d0 = _mm_move_ss(d0, d);
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sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
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}
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}
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_mm_storeu_ps(autoc, sum0);
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_mm_storeu_ps(autoc+4, sum1);
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}
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FLAC__SSE_TARGET("sse")
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void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
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{
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int i;
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int limit = data_len - 12;
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__m128 sum0, sum1, sum2;
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(void) lag;
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FLAC__ASSERT(lag <= 12);
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FLAC__ASSERT(lag <= data_len);
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sum0 = _mm_setzero_ps();
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sum1 = _mm_setzero_ps();
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sum2 = _mm_setzero_ps();
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for(i = 0; i <= limit; i++) {
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__m128 d, d0, d1, d2;
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d0 = _mm_loadu_ps(data+i);
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d1 = _mm_loadu_ps(data+i+4);
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d2 = _mm_loadu_ps(data+i+8);
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d = _mm_shuffle_ps(d0, d0, 0);
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
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sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
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sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
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}
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{
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__m128 d0 = _mm_setzero_ps();
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__m128 d1 = _mm_setzero_ps();
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__m128 d2 = _mm_setzero_ps();
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limit++; if(limit < 0) limit = 0;
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for(i = data_len-1; i >= limit; i--) {
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__m128 d;
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d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
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d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
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d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
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d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
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d2 = _mm_move_ss(d2, d1);
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d1 = _mm_move_ss(d1, d0);
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d0 = _mm_move_ss(d0, d);
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sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
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sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
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}
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}
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_mm_storeu_ps(autoc, sum0);
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_mm_storeu_ps(autoc+4, sum1);
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_mm_storeu_ps(autoc+8, sum2);
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}
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FLAC__SSE_TARGET("sse")
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void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
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{
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int i;
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int limit = data_len - 16;
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__m128 sum0, sum1, sum2, sum3;
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(void) lag;
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FLAC__ASSERT(lag <= 16);
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FLAC__ASSERT(lag <= data_len);
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sum0 = _mm_setzero_ps();
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sum1 = _mm_setzero_ps();
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sum2 = _mm_setzero_ps();
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sum3 = _mm_setzero_ps();
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for(i = 0; i <= limit; i++) {
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__m128 d, d0, d1, d2, d3;
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d0 = _mm_loadu_ps(data+i);
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d1 = _mm_loadu_ps(data+i+4);
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d2 = _mm_loadu_ps(data+i+8);
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d3 = _mm_loadu_ps(data+i+12);
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d = _mm_shuffle_ps(d0, d0, 0);
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
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sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
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sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
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sum3 = _mm_add_ps(sum3, _mm_mul_ps(d3, d));
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}
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{
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__m128 d0 = _mm_setzero_ps();
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__m128 d1 = _mm_setzero_ps();
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__m128 d2 = _mm_setzero_ps();
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__m128 d3 = _mm_setzero_ps();
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limit++; if(limit < 0) limit = 0;
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for(i = data_len-1; i >= limit; i--) {
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__m128 d;
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d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
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d3 = _mm_shuffle_ps(d3, d3, _MM_SHUFFLE(2,1,0,3));
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d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
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d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
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d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
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d3 = _mm_move_ss(d3, d2);
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d2 = _mm_move_ss(d2, d1);
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d1 = _mm_move_ss(d1, d0);
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d0 = _mm_move_ss(d0, d);
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sum3 = _mm_add_ps(sum3, _mm_mul_ps(d, d3));
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sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
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sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
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sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
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}
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}
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_mm_storeu_ps(autoc, sum0);
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_mm_storeu_ps(autoc+4, sum1);
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_mm_storeu_ps(autoc+8, sum2);
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_mm_storeu_ps(autoc+12,sum3);
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}
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/* old routines: faster on older Intel CPUs (up to Core 2) */
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FLAC__SSE_TARGET("sse")
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void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
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{
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__m128 xmm0, xmm2, xmm5;
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(void) lag;
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FLAC__ASSERT(lag > 0);
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FLAC__ASSERT(lag <= 4);
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FLAC__ASSERT(lag <= data_len);
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FLAC__ASSERT(data_len > 0);
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xmm5 = _mm_setzero_ps();
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xmm0 = _mm_load_ss(data++);
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xmm2 = xmm0;
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xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
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xmm0 = _mm_mul_ps(xmm0, xmm2);
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xmm5 = _mm_add_ps(xmm5, xmm0);
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data_len--;
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while(data_len)
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{
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xmm0 = _mm_load1_ps(data++);
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xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
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xmm2 = _mm_move_ss(xmm2, xmm0);
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xmm0 = _mm_mul_ps(xmm0, xmm2);
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xmm5 = _mm_add_ps(xmm5, xmm0);
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data_len--;
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}
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_mm_storeu_ps(autoc, xmm5);
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}
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FLAC__SSE_TARGET("sse")
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void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
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{
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__m128 xmm0, xmm1, xmm2, xmm3, xmm5, xmm6;
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(void) lag;
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FLAC__ASSERT(lag > 0);
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FLAC__ASSERT(lag <= 8);
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FLAC__ASSERT(lag <= data_len);
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FLAC__ASSERT(data_len > 0);
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xmm5 = _mm_setzero_ps();
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xmm6 = _mm_setzero_ps();
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xmm0 = _mm_load_ss(data++);
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xmm2 = xmm0;
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xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
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xmm3 = _mm_setzero_ps();
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xmm0 = _mm_mul_ps(xmm0, xmm2);
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xmm5 = _mm_add_ps(xmm5, xmm0);
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data_len--;
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while(data_len)
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{
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xmm0 = _mm_load1_ps(data++);
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xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
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xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
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xmm3 = _mm_move_ss(xmm3, xmm2);
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xmm2 = _mm_move_ss(xmm2, xmm0);
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xmm1 = xmm0;
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xmm1 = _mm_mul_ps(xmm1, xmm3);
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xmm0 = _mm_mul_ps(xmm0, xmm2);
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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_old(const FLAC__real data[], uint32_t data_len, uint32_t 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_old(const FLAC__real data[], uint32_t data_len, uint32_t 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 /* FLAC__SSE_SUPPORTED */
|
||
|
|
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
|
||
|
|
#endif /* FLAC__NO_ASM */
|
||
|
|
#endif /* FLAC__INTEGER_ONLY_LIBRARY */
|