mirror of
https://github.com/claunia/flac.git
synced 2025-12-16 18:54:26 +00:00
70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/* libFLAC - Free Lossless Audio Codec library
|
|
* Copyright (C) 2001,2002 Josh Coalson
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "private/cpu.h"
|
|
#include<stdlib.h>
|
|
#include<stdio.h>
|
|
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR = 0x01000000;
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
|
|
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW = 0x80000000;
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW = 0x40000000;
|
|
const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX = 0x00400000;
|
|
|
|
|
|
void FLAC__cpu_info(FLAC__CPUInfo *info)
|
|
{
|
|
#ifdef FLAC__CPU_IA32
|
|
info->type = FLAC__CPUINFO_TYPE_IA32;
|
|
#if !defined FLAC__NO_ASM && defined FLAC__HAS_NASM
|
|
info->use_asm = true;
|
|
{
|
|
unsigned cpuid = FLAC__cpu_info_asm_ia32();
|
|
info->data.ia32.cmov = (cpuid & FLAC__CPUINFO_IA32_CPUID_CMOV)? true : false;
|
|
info->data.ia32.mmx = (cpuid & FLAC__CPUINFO_IA32_CPUID_MMX)? true : false;
|
|
info->data.ia32.fxsr = (cpuid & FLAC__CPUINFO_IA32_CPUID_FXSR)? true : false;
|
|
info->data.ia32.sse = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE)? true : false;
|
|
info->data.ia32.sse2 = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE2)? true : false;
|
|
|
|
#ifndef FLAC__SSE_OS
|
|
info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
|
|
#endif
|
|
|
|
#ifdef FLAC__USE_3DNOW
|
|
cpuid = FLAC__cpu_info_extended_amd_asm_ia32();
|
|
info->data.ia32._3dnow = (cpuid & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW)? true : false;
|
|
info->data.ia32.ext3dnow = (cpuid & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW)? true : false;
|
|
info->data.ia32.extmmx = (cpuid & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX)? true : false;
|
|
#else
|
|
info->data.ia32._3dnow = info->data.ia32.ext3dnow = info->data.ia32.extmmx = false;
|
|
#endif
|
|
}
|
|
#else
|
|
info->use_asm = false;
|
|
#endif
|
|
#else
|
|
info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
|
|
info->use_asm = false;
|
|
#endif
|
|
}
|