I rewrote the code to work without _mm256_extract_epi64. It should even be faster now. Hope it compiles with mingw now, please try the latest head.
Ok thanks -
Minor change - in sha512.cpp to compile -
#include -> #include
When I start mining (i7 4770), get a crash and the last lines in my debug are
2016-08-11 05:03:47 Running HOdlcoinMiner with 1 transactions in block (186 bytes)
2016-08-11 05:03:47 CPU support: AES-NI = 1, AVX2 = 1
2016-08-11 05:03:48 create sha512 data 0.745