Backport 7157 to v6.x (buffer: speed up swap16/32, add swap64)#7546

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addaleax wants to merge 1 commit intonodejs:v6.xfrom addaleax:backport-7157-v6.x

+351-111

Commits on Jul 5, 2016

buffer: speed up swap16/32, add swap64

zbjornson
authored and
addaleax
committed