[llvm-dev] XMMs unused
Anton Korobeynikov via llvm-dev
llvm-dev at lists.llvm.org
Fri Nov 2 03:01:18 PDT 2018
> Yes, I am compiling for linux system.
> So the RA will not consider assigning a scratch register to a live range crossing function call, though it may reduce spills?
Well, it has to spill the register – otherwise it could be clobbered by a call.
--
With best regards, Anton Korobeynikov
Department of Statistical Modelling, Saint Petersburg State University
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