[rbanffy]

Indeed: http://hardware.slashdot.org/story/10/11/12/047243/Hidden-De...

[limmeau]

Apparently, Slashdot reader TheRaven64 has read the story. He summarizes it:

http://hardware.slashdot.org/comments.pl?sid=1865066&cid...

(tldr: it's about DR0 working on more than one word)