| /* 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(_MSC_VER) |
| |
| #include <intrin.h> |
| #define cpuid(info,x) __cpuid(info,x) |
| #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) |
| __asm__ __volatile__ ( |
| "cpuid": |
| "=a" (CPUInfo[0]), |
| "=b" (CPUInfo[1]), |
| "=c" (CPUInfo[2]), |
| "=d" (CPUInfo[3]) : |
| "a" (InfoType), "c" (0) |
| ); |
| #elif defined(CPU_INFO_BY_C) |
| __get_cpuid(InfoType, &(CPUInfo[0]), &(CPUInfo[1]), &(CPUInfo[2]), &(CPUInfo[3])); |
| #endif |
| } |
| |
| #endif |
| |
| #include "SigProc_FIX.h" |
| #include "celt_lpc.h" |
| |
| typedef struct CPU_Feature{ |
| /* SIMD: 128-bit */ |
| int HW_SSE2; |
| int HW_SSE41; |
| } 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_SSE2 = (info[3] & (1 << 26)) != 0; |
| cpu_feature->HW_SSE41 = (info[2] & (1 << 19)) != 0; |
| } |
| } |
| |
| int opus_select_arch(void) |
| { |
| CPU_Feature cpu_feature = {0}; |
| int arch; |
| |
| opus_cpu_feature_check(&cpu_feature); |
| |
| arch = 0; |
| if (!cpu_feature.HW_SSE2) |
| { |
| return arch; |
| } |
| arch++; |
| |
| if (!cpu_feature.HW_SSE41) |
| { |
| return arch; |
| } |
| arch++; |
| |
| return arch; |
| } |