ref: 66611f136733ca7f52c26f1f1ab11d506cc6e752
dir: /celt/x86/pitch_sse.h/
/* Copyright (c) 2013 Jean-Marc Valin and John Ridges Copyright (c) 2014, Cisco Systems, INC MingXiang WeiZhou MinPeng YanWang*/ /** @file pitch_sse.h @brief Pitch analysis */ /* 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. 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 COPYRIGHT OWNER 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. */ #ifndef PITCH_SSE_H #define PITCH_SSE_H #if defined(HAVE_CONFIG_H) #include "config.h" #endif #if defined(OPUS_X86_MAY_HAVE_SSE4_1) || defined(OPUS_X86_MAY_HAVE_SSE2) #if defined(OPUS_X86_MAY_HAVE_SSE4_1) void xcorr_kernel_sse4_1( const opus_int16 *x, const opus_int16 *y, opus_val32 sum[4], int len); extern void (*const XCORR_KERNEL_IMPL[OPUS_ARCHMASK + 1])( const opus_int16 *x, const opus_int16 *y, opus_val32 sum[4], int len); #define OVERRIDE_XCORR_KERNEL #define xcorr_kernel(x, y, sum, len, arch) \ ((*XCORR_KERNEL_IMPL[(arch) & OPUS_ARCHMASK])(x, y, sum, len)) opus_val32 celt_inner_prod_sse4_1( const opus_int16 *x, const opus_int16 *y, int N); #endif #if defined(OPUS_X86_MAY_HAVE_SSE2) opus_val32 celt_inner_prod_sse2( const opus_int16 *x, const opus_int16 *y, int N); #endif extern opus_val32 (*const CELT_INNER_PROD_IMPL[OPUS_ARCHMASK + 1])( const opus_int16 *x, const opus_int16 *y, int N); #define OVERRIDE_CELT_INNER_PROD #define celt_inner_prod(x, y, N, arch) \ ((*CELT_INNER_PROD_IMPL[(arch) & OPUS_ARCHMASK])(x, y, N)) #else #include <xmmintrin.h> #include "arch.h" #define OVERRIDE_XCORR_KERNEL static OPUS_INLINE void xcorr_kernel_sse(const opus_val16 *x, const opus_val16 *y, opus_val32 sum[4], int len) { int j; __m128 xsum1, xsum2; xsum1 = _mm_loadu_ps(sum); xsum2 = _mm_setzero_ps(); for (j = 0; j < len-3; j += 4) { __m128 x0 = _mm_loadu_ps(x+j); __m128 yj = _mm_loadu_ps(y+j); __m128 y3 = _mm_loadu_ps(y+j+3); xsum1 = _mm_add_ps(xsum1,_mm_mul_ps(_mm_shuffle_ps(x0,x0,0x00),yj)); xsum2 = _mm_add_ps(xsum2,_mm_mul_ps(_mm_shuffle_ps(x0,x0,0x55), _mm_shuffle_ps(yj,y3,0x49))); xsum1 = _mm_add_ps(xsum1,_mm_mul_ps(_mm_shuffle_ps(x0,x0,0xaa), _mm_shuffle_ps(yj,y3,0x9e))); xsum2 = _mm_add_ps(xsum2,_mm_mul_ps(_mm_shuffle_ps(x0,x0,0xff),y3)); } if (j < len) { xsum1 = _mm_add_ps(xsum1,_mm_mul_ps(_mm_load1_ps(x+j),_mm_loadu_ps(y+j))); if (++j < len) { xsum2 = _mm_add_ps(xsum2,_mm_mul_ps(_mm_load1_ps(x+j),_mm_loadu_ps(y+j))); if (++j < len) { xsum1 = _mm_add_ps(xsum1,_mm_mul_ps(_mm_load1_ps(x+j),_mm_loadu_ps(y+j))); } } } _mm_storeu_ps(sum,_mm_add_ps(xsum1,xsum2)); } #define xcorr_kernel(_x, _y, _z, len, arch) \ ((void)(arch),xcorr_kernel_sse(_x, _y, _z, len)) #define OVERRIDE_DUAL_INNER_PROD static OPUS_INLINE void dual_inner_prod(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02, int N, opus_val32 *xy1, opus_val32 *xy2) { int i; __m128 xsum1, xsum2; xsum1 = _mm_setzero_ps(); xsum2 = _mm_setzero_ps(); for (i=0;i<N-3;i+=4) { __m128 xi = _mm_loadu_ps(x+i); __m128 y1i = _mm_loadu_ps(y01+i); __m128 y2i = _mm_loadu_ps(y02+i); xsum1 = _mm_add_ps(xsum1,_mm_mul_ps(xi, y1i)); xsum2 = _mm_add_ps(xsum2,_mm_mul_ps(xi, y2i)); } /* Horizontal sum */ xsum1 = _mm_add_ps(xsum1, _mm_movehl_ps(xsum1, xsum1)); xsum1 = _mm_add_ss(xsum1, _mm_shuffle_ps(xsum1, xsum1, 0x55)); _mm_store_ss(xy1, xsum1); xsum2 = _mm_add_ps(xsum2, _mm_movehl_ps(xsum2, xsum2)); xsum2 = _mm_add_ss(xsum2, _mm_shuffle_ps(xsum2, xsum2, 0x55)); _mm_store_ss(xy2, xsum2); for (;i<N;i++) { *xy1 = MAC16_16(*xy1, x[i], y01[i]); *xy2 = MAC16_16(*xy2, x[i], y02[i]); } } #define OVERRIDE_CELT_INNER_PROD static OPUS_INLINE opus_val32 celt_inner_prod_sse(const opus_val16 *x, const opus_val16 *y, int N) { int i; float xy; __m128 sum; sum = _mm_setzero_ps(); /* FIXME: We should probably go 8-way and use 2 sums. */ for (i=0;i<N-3;i+=4) { __m128 xi = _mm_loadu_ps(x+i); __m128 yi = _mm_loadu_ps(y+i); sum = _mm_add_ps(sum,_mm_mul_ps(xi, yi)); } /* Horizontal sum */ sum = _mm_add_ps(sum, _mm_movehl_ps(sum, sum)); sum = _mm_add_ss(sum, _mm_shuffle_ps(sum, sum, 0x55)); _mm_store_ss(&xy, sum); for (;i<N;i++) { xy = MAC16_16(xy, x[i], y[i]); } return xy; } # define celt_inner_prod(_x, _y, len, arch) \ ((void)(arch),celt_inner_prod_sse(_x, _y, len)) #define OVERRIDE_COMB_FILTER_CONST static OPUS_INLINE void comb_filter_const(opus_val32 *y, opus_val32 *x, int T, int N, opus_val16 g10, opus_val16 g11, opus_val16 g12) { int i; __m128 x0v; __m128 g10v, g11v, g12v; g10v = _mm_load1_ps(&g10); g11v = _mm_load1_ps(&g11); g12v = _mm_load1_ps(&g12); x0v = _mm_loadu_ps(&x[-T-2]); for (i=0;i<N-3;i+=4) { __m128 yi, yi2, x1v, x2v, x3v, x4v; const opus_val32 *xp = &x[i-T-2]; yi = _mm_loadu_ps(x+i); x4v = _mm_loadu_ps(xp+4); #if 0 /* Slower version with all loads */ x1v = _mm_loadu_ps(xp+1); x2v = _mm_loadu_ps(xp+2); x3v = _mm_loadu_ps(xp+3); #else x2v = _mm_shuffle_ps(x0v, x4v, 0x4e); x1v = _mm_shuffle_ps(x0v, x2v, 0x99); x3v = _mm_shuffle_ps(x2v, x4v, 0x99); #endif yi = _mm_add_ps(yi, _mm_mul_ps(g10v,x2v)); #if 0 /* Set to 1 to make it bit-exact with the non-SSE version */ yi = _mm_add_ps(yi, _mm_mul_ps(g11v,_mm_add_ps(x3v,x1v))); yi = _mm_add_ps(yi, _mm_mul_ps(g12v,_mm_add_ps(x4v,x0v))); #else /* Use partial sums */ yi2 = _mm_add_ps(_mm_mul_ps(g11v,_mm_add_ps(x3v,x1v)), _mm_mul_ps(g12v,_mm_add_ps(x4v,x0v))); yi = _mm_add_ps(yi, yi2); #endif x0v=x4v; _mm_storeu_ps(y+i, yi); } #ifdef CUSTOM_MODES for (;i<N;i++) { y[i] = x[i] + MULT16_32_Q15(g10,x[i-T]) + MULT16_32_Q15(g11,ADD32(x[i-T+1],x[i-T-1])) + MULT16_32_Q15(g12,ADD32(x[i-T+2],x[i-T-2])); } #endif } #endif #endif