5b59a9fc61
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>
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/*
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* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/dcadsp.h"
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void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale);
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void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale);
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void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale);
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av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE(cpu_flags)) {
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#if ARCH_X86_32
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s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse;
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#endif
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2;
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}
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if (EXTERNAL_SSE4(cpu_flags)) {
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s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4;
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}
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}
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