[LLVMdev] Need a clue to improve the optimization of some C code

Nat! nat at mulle-kybernetik.com
Wed Mar 4 03:51:23 PST 2015


Updating my previous mail...

Am 03.03.2015 um 20:20 schrieb Nat! <nat at mulle-kybernetik.com>:
> 
>> 2) Are you tracking ToT?  If you're not, you should be.
> 
> Currently the git repo doesn't build for me (libLLVMR600CodeGen fails). Admittedly my IR output is from an older version - 3.6.
> 
Ok, I got the trunk to build now. Luckily indeed the emitted assembler code has improved (a lot). Yet the produced code is still a bit larger than what it would be if written by hand. Since I try to optimize for size, my question how it would be smart to tackle this within LLVM remains.

Thanks for any feedback.

Ciao
   Nat!







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