cpu.h 2.07 KB
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/* libFLAC - Free Lossless Audio Codec library
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 * Copyright (C) 2001,2002  Josh Coalson
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 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA  02111-1307, USA.
 */

#ifndef FLAC__PRIVATE__CPU_H
#define FLAC__PRIVATE__CPU_H

#include "FLAC/ordinals.h"

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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

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typedef enum {
	FLAC__CPUINFO_TYPE_IA32,
	FLAC__CPUINFO_TYPE_UNKNOWN
} FLAC__CPUInfo_Type;

typedef struct {
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	FLAC__bool cmov;
	FLAC__bool mmx;
	FLAC__bool fxsr;
	FLAC__bool sse;
	FLAC__bool sse2;
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	FLAC__bool _3dnow;
	FLAC__bool ext3dnow;
	FLAC__bool extmmx;
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} FLAC__CPUInfo_IA32;
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extern const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_MMX;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_SSE;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2;

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extern const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX;

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typedef struct {
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	FLAC__bool use_asm;
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	FLAC__CPUInfo_Type type;
	union {
		FLAC__CPUInfo_IA32 ia32;
	} data;
} FLAC__CPUInfo;

void FLAC__cpu_info(FLAC__CPUInfo *info);

#ifndef FLAC__NO_ASM
#ifdef FLAC__CPU_IA32
#ifdef FLAC__HAS_NASM
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unsigned FLAC__cpu_info_asm_ia32();
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unsigned FLAC__cpu_info_extended_amd_asm_ia32();
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unsigned FLAC__cpu_info_sse_test_asm_ia32();
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#endif
#endif
#endif

#endif