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Merge pull request #1035 from mstorsjo/aarch64-cpufeatures

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Implement WelsCPUFeatureDetect for AArch64
This commit is contained in:
zhilwang 2014-06-30 10:04:03 +08:00
commit 58349156b1
1 changed files with 13 additions and 1 deletions
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14
codec/common/src/cpu.cpp
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@ -280,7 +280,19 @@ uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors) {
WELS_CPU_NEON;
}
#endif
#else /* Neither X86_ASM nor HAVE_NEON */
#elif defined(HAVE_NEON_AARCH64)
/* For AArch64, no runtime detection actually is necessary for now, since
* NEON and VFPv3 is mandatory on all such CPUs. (/proc/cpuinfo doesn't
* contain neon, and the android cpufeatures library doesn't return it
* either.) */
uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors) {
return WELS_CPU_VFPv3 |
WELS_CPU_NEON;
}
#else /* Neither X86_ASM, HAVE_NEON nor HAVE_NEON_AARCH64 */
uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors) {
return 0;