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On Sep 27, 2011, at 12:11 AM, Leo Romanoff wrote: > Quite some of these register allocation proposals are also able to handle overlapping register classes. That's interesting. Do you have any references? /jakob -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm...

...-PLDI-PuzzleSolving.pdf I think I've seen a few more papers on this topic, but cannot remember them at the moment. If I find more papers in my collection I'll let you know. /Roman >________________________________ >Von: Jakob Stoklund Olesen <stoklund at 2pi.dk> >An: Leo Romanoff <romixlev at yahoo.com> >Cc: "llvmdev at cs.uiuc.edu List" <llvmdev at cs.uiuc.edu> >Gesendet: 16:18 Dienstag, 27.September 2011 >Betreff: Re: [LLVMdev] Greedy Register Allocation in LLVM 3.0 > > > > >On Sep 27, 2011, at 12:11 AM, Leo Romanoff wrote: &...

On Sep 27, 2011, at 12:11 AM, Leo Romanoff wrote: > > > It is true that names are not always reflecting the essense. But on the other hand, there is a lot of ongoing research on register allocation (and compilers in general) and it looks like more and more such efforts choose LLVM as a platform for experimentation. Quite some re...

On Sep 28, 2011, at 3:08 PM, Chris Lattner wrote: > > On Sep 27, 2011, at 12:11 AM, Leo Romanoff wrote: > >> >> >> It is true that names are not always reflecting the essense. But on the other hand, there is a lot of ongoing research on register allocation (and compilers in general) and it looks like more and more such efforts choose LLVM as a platform for experimentati...

Hi Jakob, Hi Andy, First of all, thanks a lot for very elaborative and interesting answers! > It may be more helpful to explain how LLVM's register allocator came > into existence before debating the high level algorithm. > > When I began working on LLVM last October, Jakob was developing an > infrastructure for global live range splitting. It was just becoming > clear

On Sep 26, 2011, at 4:22 AM, Leo Romanoff wrote: > Hi Jakob, > > Thanks for a very interesting description of the new register allocation algorithm in LLVM!!! > > Could you elaborate a bit on the following topics: > > 1) Do you have any plans to publish something more formal and detailed about this algorithm, e.g. a...

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Hi Jakob, Thanks for a very interesting description of the new register allocation algorithm in LLVM!!! Could you elaborate a bit on the following topics: 1) Do you have any plans to publish something more formal and detailed about this algorithm, e.g. a paper or something similar?  It would be nice to better understand how this algorithm relates to well-known algorithms described in the

I just uploaded a blog post outlining the new register allocation algorithm in LLVM 3.0. http://blog.llvm.org/2011/09/greedy-register-allocation-in-llvm-30.html Please direct comments here. /jakob