cpu.h (3021B)
1 /* libFLAC - Free Lossless Audio Codec library 2 * Copyright (C) 2001,2002,2003,2004,2005 Josh Coalson 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * - Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * - Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * - Neither the name of the Xiph.org Foundation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef FLAC__PRIVATE__CPU_H 33 #define FLAC__PRIVATE__CPU_H 34 35 #include "FLAC/ordinals.h" 36 37 #ifdef HAVE_CONFIG_H 38 #include <config.h> 39 #endif 40 41 typedef enum { 42 FLAC__CPUINFO_TYPE_IA32, 43 FLAC__CPUINFO_TYPE_PPC, 44 FLAC__CPUINFO_TYPE_UNKNOWN 45 } FLAC__CPUInfo_Type; 46 47 typedef struct { 48 FLAC__bool cmov; 49 FLAC__bool mmx; 50 FLAC__bool fxsr; 51 FLAC__bool sse; 52 FLAC__bool sse2; 53 FLAC__bool _3dnow; 54 FLAC__bool ext3dnow; 55 FLAC__bool extmmx; 56 } FLAC__CPUInfo_IA32; 57 58 typedef struct { 59 FLAC__bool altivec; 60 FLAC__bool ppc64; 61 } FLAC__CPUInfo_PPC; 62 63 extern const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV; 64 extern const unsigned FLAC__CPUINFO_IA32_CPUID_MMX; 65 extern const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR; 66 extern const unsigned FLAC__CPUINFO_IA32_CPUID_SSE; 67 extern const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2; 68 69 extern const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW; 70 extern const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW; 71 extern const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX; 72 73 typedef struct { 74 FLAC__bool use_asm; 75 FLAC__CPUInfo_Type type; 76 union { 77 FLAC__CPUInfo_IA32 ia32; 78 FLAC__CPUInfo_PPC ppc; 79 } data; 80 } FLAC__CPUInfo; 81 82 void FLAC__cpu_info(FLAC__CPUInfo *info); 83 84 #ifndef FLAC__NO_ASM 85 #ifdef FLAC__CPU_IA32 86 #ifdef FLAC__HAS_NASM 87 unsigned FLAC__cpu_info_asm_ia32(); 88 unsigned FLAC__cpu_info_extended_amd_asm_ia32(); 89 unsigned FLAC__cpu_info_sse_test_asm_ia32(); 90 #endif 91 #endif 92 #endif 93 94 #endif