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x86: dcadsp: implement int8x8_fmul_int32

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For the callable function (as opposed to the inline one):
         C  SSE  SSE2  SSE4
Win32:  47   42   29    26
Win64:  30   33   25    23
The SSE version is neither compiled nor set for ARCH_X86_64, as the
inlinable function takes over.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
This commit is contained in:
Christophe Gisquet
2012-05-11 11:25:30 +02:00
committed by Janne Grunau
parent 2bd44cb705
commit 5b59a9fc61
7 changed files with 196 additions and 0 deletions
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47
libavcodec/x86/dcadsp_init.c Normal file
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@@ -0,0 +1,47 @@
/*
* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/dcadsp.h"
void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale);
void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale);
void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale);
av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE(cpu_flags)) {
#if ARCH_X86_32
s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse;
#endif
}
if (EXTERNAL_SSE2(cpu_flags)) {
s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2;
}
if (EXTERNAL_SSE4(cpu_flags)) {
s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4;
}
}