diff options
Diffstat (limited to 'thirdparty/opus/celt/x86/x86cpu.c')
| -rw-r--r-- | thirdparty/opus/celt/x86/x86cpu.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/thirdparty/opus/celt/x86/x86cpu.c b/thirdparty/opus/celt/x86/x86cpu.c deleted file mode 100644 index 080eb25e41..0000000000 --- a/thirdparty/opus/celt/x86/x86cpu.c +++ /dev/null @@ -1,157 +0,0 @@ -/* Copyright (c) 2014, Cisco Systems, INC - Written by XiangMingZhu WeiZhou MinPeng YanWang - - 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. - - 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 COPYRIGHT OWNER - 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. -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "cpu_support.h" -#include "macros.h" -#include "main.h" -#include "pitch.h" -#include "x86cpu.h" - -#if (defined(OPUS_X86_MAY_HAVE_SSE) && !defined(OPUS_X86_PRESUME_SSE)) || \ - (defined(OPUS_X86_MAY_HAVE_SSE2) && !defined(OPUS_X86_PRESUME_SSE2)) || \ - (defined(OPUS_X86_MAY_HAVE_SSE4_1) && !defined(OPUS_X86_PRESUME_SSE4_1)) || \ - (defined(OPUS_X86_MAY_HAVE_AVX) && !defined(OPUS_X86_PRESUME_AVX)) - - -#if defined(_MSC_VER) - -#include <intrin.h> -static _inline void cpuid(unsigned int CPUInfo[4], unsigned int InfoType) -{ - __cpuid((int*)CPUInfo, InfoType); -} - -#else - -#if defined(CPU_INFO_BY_C) -#include <cpuid.h> -#endif - -static void cpuid(unsigned int CPUInfo[4], unsigned int InfoType) -{ -#if defined(CPU_INFO_BY_ASM) -#if defined(__i386__) && defined(__PIC__) -/* %ebx is PIC register in 32-bit, so mustn't clobber it. */ - __asm__ __volatile__ ( - "xchg %%ebx, %1\n" - "cpuid\n" - "xchg %%ebx, %1\n": - "=a" (CPUInfo[0]), - "=r" (CPUInfo[1]), - "=c" (CPUInfo[2]), - "=d" (CPUInfo[3]) : - "0" (InfoType) - ); -#else - __asm__ __volatile__ ( - "cpuid": - "=a" (CPUInfo[0]), - "=b" (CPUInfo[1]), - "=c" (CPUInfo[2]), - "=d" (CPUInfo[3]) : - "0" (InfoType) - ); -#endif -#elif defined(CPU_INFO_BY_C) - __get_cpuid(InfoType, &(CPUInfo[0]), &(CPUInfo[1]), &(CPUInfo[2]), &(CPUInfo[3])); -#endif -} - -#endif - -typedef struct CPU_Feature{ - /* SIMD: 128-bit */ - int HW_SSE; - int HW_SSE2; - int HW_SSE41; - /* SIMD: 256-bit */ - int HW_AVX; -} CPU_Feature; - -static void opus_cpu_feature_check(CPU_Feature *cpu_feature) -{ - unsigned int info[4] = {0}; - unsigned int nIds = 0; - - cpuid(info, 0); - nIds = info[0]; - - if (nIds >= 1){ - cpuid(info, 1); - cpu_feature->HW_SSE = (info[3] & (1 << 25)) != 0; - cpu_feature->HW_SSE2 = (info[3] & (1 << 26)) != 0; - cpu_feature->HW_SSE41 = (info[2] & (1 << 19)) != 0; - cpu_feature->HW_AVX = (info[2] & (1 << 28)) != 0; - } - else { - cpu_feature->HW_SSE = 0; - cpu_feature->HW_SSE2 = 0; - cpu_feature->HW_SSE41 = 0; - cpu_feature->HW_AVX = 0; - } -} - -int opus_select_arch(void) -{ - CPU_Feature cpu_feature; - int arch; - - opus_cpu_feature_check(&cpu_feature); - - arch = 0; - if (!cpu_feature.HW_SSE) - { - return arch; - } - arch++; - - if (!cpu_feature.HW_SSE2) - { - return arch; - } - arch++; - - if (!cpu_feature.HW_SSE41) - { - return arch; - } - arch++; - - if (!cpu_feature.HW_AVX) - { - return arch; - } - arch++; - - return arch; -} - -#endif |