[x264-devel] [PATCH] Speedups of various sorts involving macroblock_encode and RDO.

[Jason Garrett-Glaser]

>  Jason, has this patch been merged in x264's repository?

Yes, quite a while ago.  You'll find the function in
common/x86/mc-a2.asm if I recall correctly, as memcpy_aligned_sse2 and
memcpy_aligned_mmx.

Jason