getauxval() is the recommended way to determine features on Linux. Its likely less expensive than CPU probing for SIGILLs. We gave up portability, but some gained stability
rijndael-simd.cpp(318): warning C4267: 'argument': conversion from 'size_t' to 'unsigned int', possible loss of data [C:\projects\cryptopp\cryptlib.vcxproj]
rijndael-simd.cpp(376): note: see reference to function template instantiation 'size_t CryptoPP::Rijndael_AdvancedProcessBlocks_AESNI<void(__cdecl *)(__m128i &,const __m128i *,unsigned int),void(__cdecl *)(__m128i &,__m128i &,__m128i &,__m128i &,const __m128i *,unsigned int)>(F1,F4,const __m128i *,::size_t,const CryptoPP::byte *,const CryptoPP::byte *,CryptoPP::byte *,::size_t,CryptoPP::word32)' being compiled
with
[
F1=void (__cdecl *)(__m128i &,const __m128i *,unsigned int),
F4=void (__cdecl *)(__m128i &,__m128i &,__m128i &,__m128i &,const __m128i *,unsigned int)
]
rijndael-simd.cpp(355): warning C4267: 'argument': conversion from 'size_t' to 'unsigned int', possible loss of data
ARMv8 AES decryption is not working at the moment. This check-in will allow us to test the current changes more widespread. We expected AES decryption failures only
Jeffrey Walton