ref: f0ac2d01765f938a4f3656efef440cf2c1bca69d
dir: /sys/src/cmd/audio/libFLAC/private/cpu.h/
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2022 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__CPU_H
#define FLAC__PRIVATE__CPU_H
#include "FLAC/ordinals.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef FLAC__CPU_X86_64
#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
#define FLAC__CPU_X86_64
#endif
#endif
#ifndef FLAC__CPU_IA32
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
#define FLAC__CPU_IA32
#endif
#endif
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if FLAC__HAS_X86INTRIN
/* SSE intrinsics support by ICC/MSVC/GCC */
#if defined __INTEL_COMPILER
#define FLAC__SSE_TARGET(x)
#define FLAC__FAST_MATH_TARGET(x)
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
#if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */
#define FLAC__SSSE3_SUPPORTED 1
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#ifdef FLAC__USE_AVX
#if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */
#define FLAC__AVX_SUPPORTED 1
#endif
#if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#endif
#elif defined __clang__ && __has_attribute(__target__) /* clang */
#define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
#define FLAC__FAST_MATH_TARGET(x) __attribute__ ((__target__ (x), optimize("-ffast-math")))
#if __has_builtin(__builtin_ia32_maxps)
#define FLAC__SSE_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pmuludq128)
#define FLAC__SSE2_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pabsd128)
#define FLAC__SSSE3_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pmuldq128)
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#ifdef FLAC__USE_AVX
#if __has_builtin(__builtin_ia32_maxps256)
#define FLAC__AVX_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pabsd256)
#define FLAC__AVX2_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_vfmaddps)
#define FLAC__FMA_SUPPORTED 1
#endif
#endif
#elif defined __GNUC__ && !defined __clang__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* GCC 4.9+ */
#define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
#define FLAC__FAST_MATH_TARGET(x) __attribute__ ((__target__ (x), optimize("-ffast-math")))
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
#define FLAC__SSSE3_SUPPORTED 1
#define FLAC__SSE4_1_SUPPORTED 1
#ifdef FLAC__USE_AVX
#define FLAC__AVX_SUPPORTED 1
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#elif defined _MSC_VER
#define FLAC__SSE_TARGET(x)
#define FLAC__FAST_MATH_TARGET(x)
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
#if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
#define FLAC__SSSE3_SUPPORTED 1
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#ifdef FLAC__USE_AVX
#if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
#define FLAC__AVX_SUPPORTED 1
#endif
#if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#endif
#else
#define FLAC__SSE_TARGET(x)
#define FLAC__FAST_MATH_TARGET(x)
#ifdef __SSE__
#define FLAC__SSE_SUPPORTED 1
#endif
#ifdef __SSE2__
#define FLAC__SSE2_SUPPORTED 1
#endif
#ifdef __SSSE3__
#define FLAC__SSSE3_SUPPORTED 1
#endif
#ifdef __SSE4_1__
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#ifdef FLAC__USE_AVX
#ifdef __AVX__
#define FLAC__AVX_SUPPORTED 1
#endif
#ifdef __AVX2__
#define FLAC__AVX2_SUPPORTED 1
#endif
#ifdef __FMA__
#define FLAC__FMA_SUPPORTED 1
#endif
#endif
#endif /* compiler version */
#endif /* intrinsics support */
#ifndef FLAC__AVX_SUPPORTED
#define FLAC__AVX_SUPPORTED 0
#endif
typedef enum {
FLAC__CPUINFO_TYPE_IA32,
FLAC__CPUINFO_TYPE_X86_64,
FLAC__CPUINFO_TYPE_PPC,
FLAC__CPUINFO_TYPE_UNKNOWN
} FLAC__CPUInfo_Type;
typedef struct {
FLAC__bool intel;
FLAC__bool cmov;
FLAC__bool mmx;
FLAC__bool sse;
FLAC__bool sse2;
FLAC__bool sse3;
FLAC__bool ssse3;
FLAC__bool sse41;
FLAC__bool sse42;
FLAC__bool avx;
FLAC__bool avx2;
FLAC__bool fma;
} FLAC__CPUInfo_x86;
typedef struct {
FLAC__bool arch_3_00;
FLAC__bool arch_2_07;
} FLAC__CPUInfo_ppc;
typedef struct {
FLAC__bool use_asm;
FLAC__CPUInfo_Type type;
FLAC__CPUInfo_x86 x86;
FLAC__CPUInfo_ppc ppc;
} FLAC__CPUInfo;
void FLAC__cpu_info(FLAC__CPUInfo *info);
FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void);
void FLAC__cpu_info_asm_ia32(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx);
#endif