On Mon, Jul 4, 2016 at 1:26 PM, Richard Biener wrote: > > The following patch is Stevens code-hoisting based on PRE forward-ported > and fixed for bootstrap plus the case of hoisting code across loops > which we generally do not want (expressions in the loop exit target block > are antic-in throughout the whole loop unless they are killed and thus > get inserted into the exit block and then PREd before the loop). > > Bootstrapped on x86_64-unknown-linux-gnu, testing in progress. > > I'm going to try making the bitmap_set ops in do_hoist_insert a bit > faster - Steven, do you remember any issues with the approach from the > time you worked on it?
Hi Richi, It's been almost 8 years since I worked on this, so I really don't recall much about this at all. Sorry :-) But thank you for picking this old work up! Ciao! Steven