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Merge pull request #418 from mstorsjo/ios-neon-detection

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Use the __ARM_NEON__ built-in compiler define for identifying neon capability on iOS
This commit is contained in:
volvet 2014-03-07 09:15:17 +08:00
commit b3fa8dd334
1 changed files with 5 additions and 14 deletions
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19
codec/common/cpu.cpp
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@ -42,9 +42,6 @@
#ifdef ANDROID_NDK
#include <cpu-features.h>
#endif
#ifdef APPLE_IOS
#include <sys/utsname.h>
#endif
#include "cpu.h"
#include "cpu_core.h"
@ -245,18 +242,12 @@ uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors)
uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors)
{
uint32_t uiCPU = 0;
struct utsname sSystemInfo;
uname (&sSystemInfo);
if ((0 != strcmp(sSystemInfo.machine, "iPhone1,1")) && //iPhone 2G
(0 != strcmp(sSystemInfo.machine, "iPhone1,2")) && //iPhone 3G
(0 != strcmp(sSystemInfo.machine, "iPod1,1")) && //iPod 1G
(0 != strcmp(sSystemInfo.machine, "iPod2,1"))) //iPod 2G
{
uiCPU |= WELS_CPU_ARMv7;
uiCPU |= WELS_CPU_VFPv3;
uiCPU |= WELS_CPU_NEON;
}
#if defined(__ARM_NEON__)
uiCPU |= WELS_CPU_ARMv7;
uiCPU |= WELS_CPU_VFPv3;
uiCPU |= WELS_CPU_NEON;
#endif
return uiCPU;
}
#elif defined(__linux__)