| /* libFLAC - Free Lossless Audio Codec library |
| * Copyright (C) 2001 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; |
| |
| |
| 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_i386(); |
| 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; /* @@@ also need to check for operating system support */ |
| info->data.ia32.sse2 = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE2)? true : false; /* @@@ also need to check for operating system support */ |
| } |
| #else |
| info->use_asm = false; |
| #endif |
| #else |
| info->type = FLAC__CPUINFO_TYPE_UNKNOWN; |
| info->use_asm = false; |
| #endif |
| } |