| /* Copyright (C) 2004 Jean-Marc Valin */ |
| /** |
| @file cb_search_sse.h |
| @brief Fixed codebook functions (SSE version) |
| */ |
| /* |
| 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. |
| */ |
| |
| #include <xmmintrin.h> |
| |
| static inline void _spx_mm_getr_ps (__m128 U, float *__Z, float *__Y, float *__X, float *__W) |
| { |
| union { |
| float __a[4]; |
| __m128 __v; |
| } __u; |
| |
| __u.__v = U; |
| |
| *__Z = __u.__a[0]; |
| *__Y = __u.__a[1]; |
| *__X = __u.__a[2]; |
| *__W = __u.__a[3]; |
| |
| } |
| |
| #define OVERRIDE_COMPUTE_WEIGHTED_CODEBOOK |
| static void compute_weighted_codebook(const signed char *shape_cb, const spx_sig_t *_r, float *resp, __m128 *resp2, __m128 *E, int shape_cb_size, int subvect_size, char *stack) |
| { |
| int i, j, k; |
| __m128 resj, EE; |
| VARDECL(__m128 *r); |
| VARDECL(__m128 *shape); |
| ALLOC(r, subvect_size, __m128); |
| ALLOC(shape, subvect_size, __m128); |
| for(j=0;j<subvect_size;j++) |
| r[j] = _mm_load_ps1(_r+j); |
| for (i=0;i<shape_cb_size;i+=4) |
| { |
| float *_res = resp+i*subvect_size; |
| const signed char *_shape = shape_cb+i*subvect_size; |
| EE = _mm_setzero_ps(); |
| for(j=0;j<subvect_size;j++) |
| { |
| shape[j] = _mm_setr_ps(0.03125*_shape[j], 0.03125*_shape[subvect_size+j], 0.03125*_shape[2*subvect_size+j], 0.03125*_shape[3*subvect_size+j]); |
| } |
| for(j=0;j<subvect_size;j++) |
| { |
| resj = _mm_setzero_ps(); |
| for (k=0;k<=j;k++) |
| resj = _mm_add_ps(resj, _mm_mul_ps(shape[k],r[j-k])); |
| _spx_mm_getr_ps(resj, _res+j, _res+subvect_size+j, _res+2*subvect_size+j, _res+3*subvect_size+j); |
| *resp2++ = resj; |
| EE = _mm_add_ps(EE, _mm_mul_ps(resj, resj)); |
| } |
| E[i>>2] = EE; |
| } |
| } |