https://github.com/elmad/QubitCoin-cpuminer-v.1.2-avx-aes

Clone and compile as usual.

I verified a +7% on a i7. It's not a massive improvement like last time, but it's an improvement.

There is other margin to improve, but it needs time! Donate if you want that I still improve the CPU miner.

x5/echo512/ccalik/aesni/hash.c:175:8: error: incompatible types when assigning to type ‘__m128i’ from type ‘int’
     t2 = _mm_shuffle_epi8(M128(mul2mask), t1);\
        ^
x5/echo512/ccalik/aesni/hash.c:223:4: note: in expansion of macro ‘ECHO_MIXBYTES’
    ECHO_MIXBYTES(_state2, _state, 3, t1, t2, s2)
    ^
x5/echo512/ccalik/aesni/hash.c:294:4: note: in expansion of macro ‘ECHO_ROUND_UNROLL2’
    ECHO_ROUND_UNROLL2;
    ^