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audio-resampler-x86-sse41.c
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audio-resampler-x86-sse41.c
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/* GStreamer
* Copyright (C) <2016> Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "audio-resampler-x86-sse41.h"
#if 0
#define __SSE4_1__
#pragma GCC target("sse4.1")
#endif
#if defined (__x86_64__) && \
defined (HAVE_SMMINTRIN_H) && defined (HAVE_EMMINTRIN_H) && \
defined (__SSE4_1__)
#include <emmintrin.h>
#include <smmintrin.h>
static inline void
inner_product_gint32_full_1_sse41 (gint32 * o, const gint32 * a,
const gint32 * b, gint len, const gint32 * icoeff, gint bstride)
{
gint i = 0;
__m128i sum, ta, tb;
gint64 res;
sum = _mm_setzero_si128 ();
for (; i < len; i += 8) {
ta = _mm_loadu_si128 ((__m128i *) (a + i));
tb = _mm_load_si128 ((__m128i *) (b + i));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
ta = _mm_loadu_si128 ((__m128i *) (a + i + 4));
tb = _mm_load_si128 ((__m128i *) (b + i + 4));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
}
sum = _mm_add_epi64 (sum, _mm_unpackhi_epi64 (sum, sum));
res = _mm_cvtsi128_si64 (sum);
res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
*o = CLAMP (res, G_MININT32, G_MAXINT32);
}
static inline void
inner_product_gint32_linear_1_sse41 (gint32 * o, const gint32 * a,
const gint32 * b, gint len, const gint32 * icoeff, gint bstride)
{
gint i = 0;
gint64 res;
__m128i sum[2], ta, tb;
__m128i f = _mm_loadu_si128 ((__m128i *) icoeff);
const gint32 *c[2] = { (gint32 *) ((gint8 *) b + 0 * bstride),
(gint32 *) ((gint8 *) b + 1 * bstride)
};
sum[0] = sum[1] = _mm_setzero_si128 ();
for (; i < len; i += 4) {
ta = _mm_loadu_si128 ((__m128i *) (a + i));
tb = _mm_load_si128 ((__m128i *) (c[0] + i));
sum[0] = _mm_add_epi64 (sum[0], _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum[0] = _mm_add_epi64 (sum[0], _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
tb = _mm_load_si128 ((__m128i *) (c[1] + i));
sum[1] = _mm_add_epi64 (sum[1], _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum[1] = _mm_add_epi64 (sum[1], _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
}
sum[0] = _mm_srli_epi64 (sum[0], PRECISION_S32);
sum[1] = _mm_srli_epi64 (sum[1], PRECISION_S32);
sum[0] =
_mm_mul_epi32 (sum[0], _mm_shuffle_epi32 (f, _MM_SHUFFLE (0, 0, 0, 0)));
sum[1] =
_mm_mul_epi32 (sum[1], _mm_shuffle_epi32 (f, _MM_SHUFFLE (1, 1, 1, 1)));
sum[0] = _mm_add_epi64 (sum[0], sum[1]);
sum[0] = _mm_add_epi64 (sum[0], _mm_unpackhi_epi64 (sum[0], sum[0]));
res = _mm_cvtsi128_si64 (sum[0]);
res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
*o = CLAMP (res, G_MININT32, G_MAXINT32);
}
static inline void
inner_product_gint32_cubic_1_sse41 (gint32 * o, const gint32 * a,
const gint32 * b, gint len, const gint32 * icoeff, gint bstride)
{
gint i = 0;
gint64 res;
__m128i sum[4], ta, tb;
__m128i f = _mm_loadu_si128 ((__m128i *) icoeff);
const gint32 *c[4] = { (gint32 *) ((gint8 *) b + 0 * bstride),
(gint32 *) ((gint8 *) b + 1 * bstride),
(gint32 *) ((gint8 *) b + 2 * bstride),
(gint32 *) ((gint8 *) b + 3 * bstride)
};
sum[0] = sum[1] = sum[2] = sum[3] = _mm_setzero_si128 ();
for (; i < len; i += 4) {
ta = _mm_loadu_si128 ((__m128i *) (a + i));
tb = _mm_load_si128 ((__m128i *) (c[0] + i));
sum[0] = _mm_add_epi64 (sum[0], _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum[0] = _mm_add_epi64 (sum[0], _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
tb = _mm_load_si128 ((__m128i *) (c[1] + i));
sum[1] = _mm_add_epi64 (sum[1], _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum[1] = _mm_add_epi64 (sum[1], _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
tb = _mm_load_si128 ((__m128i *) (c[2] + i));
sum[2] = _mm_add_epi64 (sum[2], _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum[2] = _mm_add_epi64 (sum[2], _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
tb = _mm_load_si128 ((__m128i *) (c[3] + i));
sum[3] = _mm_add_epi64 (sum[3], _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum[3] = _mm_add_epi64 (sum[3], _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
}
sum[0] = _mm_srli_epi64 (sum[0], PRECISION_S32);
sum[1] = _mm_srli_epi64 (sum[1], PRECISION_S32);
sum[2] = _mm_srli_epi64 (sum[2], PRECISION_S32);
sum[3] = _mm_srli_epi64 (sum[3], PRECISION_S32);
sum[0] =
_mm_mul_epi32 (sum[0], _mm_shuffle_epi32 (f, _MM_SHUFFLE (0, 0, 0, 0)));
sum[1] =
_mm_mul_epi32 (sum[1], _mm_shuffle_epi32 (f, _MM_SHUFFLE (1, 1, 1, 1)));
sum[2] =
_mm_mul_epi32 (sum[2], _mm_shuffle_epi32 (f, _MM_SHUFFLE (2, 2, 2, 2)));
sum[3] =
_mm_mul_epi32 (sum[3], _mm_shuffle_epi32 (f, _MM_SHUFFLE (3, 3, 3, 3)));
sum[0] = _mm_add_epi64 (sum[0], sum[1]);
sum[2] = _mm_add_epi64 (sum[2], sum[3]);
sum[0] = _mm_add_epi64 (sum[0], sum[2]);
sum[0] = _mm_add_epi64 (sum[0], _mm_unpackhi_epi64 (sum[0], sum[0]));
res = _mm_cvtsi128_si64 (sum[0]);
res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
*o = CLAMP (res, G_MININT32, G_MAXINT32);
}
MAKE_RESAMPLE_FUNC (gint32, full, 1, sse41);
MAKE_RESAMPLE_FUNC (gint32, linear, 1, sse41);
MAKE_RESAMPLE_FUNC (gint32, cubic, 1, sse41);
#endif