forked from mirror/libbpg
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*****************************************************************************
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* Copyright (C) 2013 x265 project
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*
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* Authors: Loren Merritt <lorenm@u.washington.edu>
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* Steve Borho <steve@borho.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at license @ x265.com.
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*****************************************************************************/
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#ifndef X265_CPU_H
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#define X265_CPU_H
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#include "common.h"
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/* All assembly functions are prefixed with X265_NS (macro expanded) */
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#define PFX3(prefix, name) prefix ## _ ## name
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#define PFX2(prefix, name) PFX3(prefix, name)
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#define PFX(name) PFX2(X265_NS, name)
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// from cpu-a.asm, if ASM primitives are compiled, else primitives.cpp
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extern "C" void PFX(cpu_emms)(void);
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extern "C" void PFX(safe_intel_cpu_indicator_init)(void);
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#if _MSC_VER && _WIN64
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#define x265_emms() PFX(cpu_emms)()
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#elif _MSC_VER
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#include <mmintrin.h>
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#define x265_emms() _mm_empty()
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#elif __GNUC__
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// Cannot use _mm_empty() directly without compiling all the source with
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// a fixed CPU arch, which we would like to avoid at the moment
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#define x265_emms() PFX(cpu_emms)()
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#else
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#define x265_emms() PFX(cpu_emms)()
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#endif
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namespace X265_NS {
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uint32_t cpu_detect(void);
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struct cpu_name_t
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{
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char name[16];
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uint32_t flags;
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};
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extern const cpu_name_t cpu_names[];
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}
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#endif // ifndef X265_CPU_H
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