search for: pr21943

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2015 Jan 05
3
[LLVMdev] Heads up! Planning to remove old vector shuffle lowering this week...
...; No notable regressions, I’m seeing different code but mostly for the better - although there are a number of vec256 shuffles (mostly lower/upper crossings) that are rather poor (I think Quentin raised bugs on a couple of these) - but the old system could be a lot worse. I think Simon talks about PR21943, but this should not hold for moving forward. > I think the few cases that remain can easily be dealt with by individual bug reports. I concur. Just a quick question, did anyone check the differences on i386? I want to be sure we identified all the problems before we remove the ability to eas...
2015 Jan 04
2
[LLVMdev] Heads up! Planning to remove old vector shuffle lowering this week...
On Sun, Jan 4, 2015 at 3:20 PM, Simon Pilgrim <llvm-dev at redking.me.uk> wrote: > On 24 Nov 2014, at 17:53, Chandler Carruth <chandlerc at gmail.com> wrote: > > > I'll be skimming the PRs to see if there are any really critical > regressions, but so far it looks pretty good. > > > > If you are actively disabling the new vector shuffling and have some PR