1 /* libFLAC - Free Lossless Audio Codec library
2 * Copyright (C) 2001 Josh Coalson
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #include "private/cpu.h"
24 const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
25 const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
26 const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR = 0x01000000;
27 const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
28 const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
31 void FLAC__cpu_info(FLAC__CPUInfo *info)
34 info->type = FLAC__CPUINFO_TYPE_IA32;
35 #if !defined FLAC__NO_ASM && defined FLAC__HAS_NASM
38 unsigned cpuid = FLAC__cpu_info_asm_ia32();
39 info->data.ia32.cmov = (cpuid & FLAC__CPUINFO_IA32_CPUID_CMOV)? true : false;
40 info->data.ia32.mmx = (cpuid & FLAC__CPUINFO_IA32_CPUID_MMX)? true : false;
41 info->data.ia32.fxsr = (cpuid & FLAC__CPUINFO_IA32_CPUID_FXSR)? true : false;
42 info->data.ia32.sse = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE)? true : false; /* @@@ also need to check for operating system support */
43 info->data.ia32.sse2 = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE2)? true : false; /* @@@ also need to check for operating system support */
46 info->use_asm = false;
49 info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
50 info->use_asm = false;