diff options
Diffstat (limited to 'thirdparty/opus/celt/x86/vq_sse2.c')
-rw-r--r-- | thirdparty/opus/celt/x86/vq_sse2.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/thirdparty/opus/celt/x86/vq_sse2.c b/thirdparty/opus/celt/x86/vq_sse2.c deleted file mode 100644 index 775042860d..0000000000 --- a/thirdparty/opus/celt/x86/vq_sse2.c +++ /dev/null @@ -1,217 +0,0 @@ -/* Copyright (c) 2007-2008 CSIRO - Copyright (c) 2007-2009 Xiph.Org Foundation - Copyright (c) 2007-2016 Jean-Marc Valin */ -/* - 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. -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <xmmintrin.h> -#include <emmintrin.h> -#include "celt_lpc.h" -#include "stack_alloc.h" -#include "mathops.h" -#include "vq.h" -#include "x86cpu.h" - - -#ifndef FIXED_POINT - -opus_val16 op_pvq_search_sse2(celt_norm *_X, int *iy, int K, int N, int arch) -{ - int i, j; - int pulsesLeft; - float xy, yy; - VARDECL(celt_norm, y); - VARDECL(celt_norm, X); - VARDECL(float, signy); - __m128 signmask; - __m128 sums; - __m128i fours; - SAVE_STACK; - - (void)arch; - /* All bits set to zero, except for the sign bit. */ - signmask = _mm_set_ps1(-0.f); - fours = _mm_set_epi32(4, 4, 4, 4); - ALLOC(y, N+3, celt_norm); - ALLOC(X, N+3, celt_norm); - ALLOC(signy, N+3, float); - - OPUS_COPY(X, _X, N); - X[N] = X[N+1] = X[N+2] = 0; - sums = _mm_setzero_ps(); - for (j=0;j<N;j+=4) - { - __m128 x4, s4; - x4 = _mm_loadu_ps(&X[j]); - s4 = _mm_cmplt_ps(x4, _mm_setzero_ps()); - /* Get rid of the sign */ - x4 = _mm_andnot_ps(signmask, x4); - sums = _mm_add_ps(sums, x4); - /* Clear y and iy in case we don't do the projection. */ - _mm_storeu_ps(&y[j], _mm_setzero_ps()); - _mm_storeu_si128((__m128i*)&iy[j], _mm_setzero_si128()); - _mm_storeu_ps(&X[j], x4); - _mm_storeu_ps(&signy[j], s4); - } - sums = _mm_add_ps(sums, _mm_shuffle_ps(sums, sums, _MM_SHUFFLE(1, 0, 3, 2))); - sums = _mm_add_ps(sums, _mm_shuffle_ps(sums, sums, _MM_SHUFFLE(2, 3, 0, 1))); - - xy = yy = 0; - - pulsesLeft = K; - - /* Do a pre-search by projecting on the pyramid */ - if (K > (N>>1)) - { - __m128i pulses_sum; - __m128 yy4, xy4; - __m128 rcp4; - opus_val32 sum = _mm_cvtss_f32(sums); - /* If X is too small, just replace it with a pulse at 0 */ - /* Prevents infinities and NaNs from causing too many pulses - to be allocated. 64 is an approximation of infinity here. */ - if (!(sum > EPSILON && sum < 64)) - { - X[0] = QCONST16(1.f,14); - j=1; do - X[j]=0; - while (++j<N); - sums = _mm_set_ps1(1.f); - } - /* Using K+e with e < 1 guarantees we cannot get more than K pulses. */ - rcp4 = _mm_mul_ps(_mm_set_ps1((float)(K+.8)), _mm_rcp_ps(sums)); - xy4 = yy4 = _mm_setzero_ps(); - pulses_sum = _mm_setzero_si128(); - for (j=0;j<N;j+=4) - { - __m128 rx4, x4, y4; - __m128i iy4; - x4 = _mm_loadu_ps(&X[j]); - rx4 = _mm_mul_ps(x4, rcp4); - iy4 = _mm_cvttps_epi32(rx4); - pulses_sum = _mm_add_epi32(pulses_sum, iy4); - _mm_storeu_si128((__m128i*)&iy[j], iy4); - y4 = _mm_cvtepi32_ps(iy4); - xy4 = _mm_add_ps(xy4, _mm_mul_ps(x4, y4)); - yy4 = _mm_add_ps(yy4, _mm_mul_ps(y4, y4)); - /* double the y[] vector so we don't have to do it in the search loop. */ - _mm_storeu_ps(&y[j], _mm_add_ps(y4, y4)); - } - pulses_sum = _mm_add_epi32(pulses_sum, _mm_shuffle_epi32(pulses_sum, _MM_SHUFFLE(1, 0, 3, 2))); - pulses_sum = _mm_add_epi32(pulses_sum, _mm_shuffle_epi32(pulses_sum, _MM_SHUFFLE(2, 3, 0, 1))); - pulsesLeft -= _mm_cvtsi128_si32(pulses_sum); - xy4 = _mm_add_ps(xy4, _mm_shuffle_ps(xy4, xy4, _MM_SHUFFLE(1, 0, 3, 2))); - xy4 = _mm_add_ps(xy4, _mm_shuffle_ps(xy4, xy4, _MM_SHUFFLE(2, 3, 0, 1))); - xy = _mm_cvtss_f32(xy4); - yy4 = _mm_add_ps(yy4, _mm_shuffle_ps(yy4, yy4, _MM_SHUFFLE(1, 0, 3, 2))); - yy4 = _mm_add_ps(yy4, _mm_shuffle_ps(yy4, yy4, _MM_SHUFFLE(2, 3, 0, 1))); - yy = _mm_cvtss_f32(yy4); - } - X[N] = X[N+1] = X[N+2] = -100; - y[N] = y[N+1] = y[N+2] = 100; - celt_sig_assert(pulsesLeft>=0); - - /* This should never happen, but just in case it does (e.g. on silence) - we fill the first bin with pulses. */ - if (pulsesLeft > N+3) - { - opus_val16 tmp = (opus_val16)pulsesLeft; - yy = MAC16_16(yy, tmp, tmp); - yy = MAC16_16(yy, tmp, y[0]); - iy[0] += pulsesLeft; - pulsesLeft=0; - } - - for (i=0;i<pulsesLeft;i++) - { - int best_id; - __m128 xy4, yy4; - __m128 max, max2; - __m128i count; - __m128i pos; - /* The squared magnitude term gets added anyway, so we might as well - add it outside the loop */ - yy = ADD16(yy, 1); - xy4 = _mm_load1_ps(&xy); - yy4 = _mm_load1_ps(&yy); - max = _mm_setzero_ps(); - pos = _mm_setzero_si128(); - count = _mm_set_epi32(3, 2, 1, 0); - for (j=0;j<N;j+=4) - { - __m128 x4, y4, r4; - x4 = _mm_loadu_ps(&X[j]); - y4 = _mm_loadu_ps(&y[j]); - x4 = _mm_add_ps(x4, xy4); - y4 = _mm_add_ps(y4, yy4); - y4 = _mm_rsqrt_ps(y4); - r4 = _mm_mul_ps(x4, y4); - /* Update the index of the max. */ - pos = _mm_max_epi16(pos, _mm_and_si128(count, _mm_castps_si128(_mm_cmpgt_ps(r4, max)))); - /* Update the max. */ - max = _mm_max_ps(max, r4); - /* Update the indices (+4) */ - count = _mm_add_epi32(count, fours); - } - /* Horizontal max */ - max2 = _mm_max_ps(max, _mm_shuffle_ps(max, max, _MM_SHUFFLE(1, 0, 3, 2))); - max2 = _mm_max_ps(max2, _mm_shuffle_ps(max2, max2, _MM_SHUFFLE(2, 3, 0, 1))); - /* Now that max2 contains the max at all positions, look at which value(s) of the - partial max is equal to the global max. */ - pos = _mm_and_si128(pos, _mm_castps_si128(_mm_cmpeq_ps(max, max2))); - pos = _mm_max_epi16(pos, _mm_unpackhi_epi64(pos, pos)); - pos = _mm_max_epi16(pos, _mm_shufflelo_epi16(pos, _MM_SHUFFLE(1, 0, 3, 2))); - best_id = _mm_cvtsi128_si32(pos); - - /* Updating the sums of the new pulse(s) */ - xy = ADD32(xy, EXTEND32(X[best_id])); - /* We're multiplying y[j] by two so we don't have to do it here */ - yy = ADD16(yy, y[best_id]); - - /* Only now that we've made the final choice, update y/iy */ - /* Multiplying y[j] by 2 so we don't have to do it everywhere else */ - y[best_id] += 2; - iy[best_id]++; - } - - /* Put the original sign back */ - for (j=0;j<N;j+=4) - { - __m128i y4; - __m128i s4; - y4 = _mm_loadu_si128((__m128i*)&iy[j]); - s4 = _mm_castps_si128(_mm_loadu_ps(&signy[j])); - y4 = _mm_xor_si128(_mm_add_epi32(y4, s4), s4); - _mm_storeu_si128((__m128i*)&iy[j], y4); - } - RESTORE_STACK; - return yy; -} - -#endif |