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Henrik Gramner authored
Prevents a crash if the misaligned exception mask bit is cleared for some reason. Misaligned SSE functions are only used on AMD Phenom CPUs and the benefit is miniscule. They also require modifying the MXCSR control register and by removing those functions we can get rid of that complexity altogether. VEX-encoded instructions also supports unaligned memory operands. I tried adding AVX implementations of all removed functions but there were no performance improvements on Ivy Bridge. pixel_sad_x3 and pixel_sad_x4 had significant code size reductions though so I kept them and added some minor cosmetics fixes and tweaks.
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