ref: d67596f1bbdce63cd6a053cc17443fde1631ed10
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