[LLVMdev] Register pairing in PBQP
jakobste at kth.se
Tue Apr 26 05:03:44 PDT 2011
Im currently investigating LLVM's implementation of PBQP as a part of a
bachelors thesis im doing on register allocation for regular architectures.
In particullar, im looking at the possibility for improving the spill rate
of PBQP for a particular DSP architecture, by using register pairing.
>From reading the source code of lib/CodeGen/RegAllocPBQP.cpp i conclude
that support for register paring is not yet implemented (correct me if im
However this feature was mentioned as a future goal in a slide i found
So im just wondering what the status on this is.
Would be interesting from the dev-teams perspective, to get this
Anny ideas on what would be the best way to do that, in case someone (like
me) would be interested in doing that?
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