FMA/AVX2 fallback testfile about pik HOT 5 OPEN

Thanks for sending! Here's the AVX2 decoder output for your file:

Looks like the dc_predictor might still need work :)

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New image:

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It works!

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Awesome! Out of curiosity, what did you change?

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The first image I worked only with a single 4x32 and not with dual 4x32 or single 8x32. The second I worked with 8x32 but forgotten broadcastd over all eight values. Only the first and the fifth was set.
My AVX solution can emulate with avxintrin-emu.h from Intel now.

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