13:39:42drmeisterACTION is so deep in the rabbit hole that he's planning what carrot canapes to serve when he next hosts bridge night with his rabbity friends.
14:24:43Bikeso the problem with this mask thing is that we're working with three arrays at once (the result and two inputs), and we need to do the same number of iterations for all them
14:25:15Bikeand i just checked and sbcl just does it slowly, bit by bit, in the case of the start being nonzero, which is the only case this is needed for
14:25:26Bikeso i think i should shelve this, at least for now
14:25:48drmeisterIsn't it also needed if the end doesn't align with a word boundary?
14:26:30BikeIt's needed if the end doesn't align with a word boundary AND we actually care about what's beyond the end, which can happen with displaced arrays only
14:26:43Bikeif they're just simple bit vectors there's no harm in ANDing the noise at the end together