[LLVMdev] Greedy register allocation

David A. Greene greened at obbligato.org
Thu May 5 15:29:49 PDT 2011


Evan Cheng <evan.cheng at apple.com> writes:

> 1. When is this profitable? We can model size of loop buffer. But this
> is also dependent on loop alignment. We may have to align small loops
> on 32 byte boundary to get this right.

We almost always want to do this anyway on the newest processors.

                          -Dave



More information about the llvm-dev mailing list