[LLVMdev] [cfe-dev] computing a conservatively rounded square of a double

[Philip Reames]

Paul,

If any of those llvm changes are still pending, let me know.  I'd be 
happy to review.

Philip

On 03/27/2014 08:46 AM, Robinson, Paul wrote:
>
> While I did propose a patch to add this attribute to Clang, and it was 
> approved, I never committed it because the LLVM work to fully support 
> it has been dangling in nobody-wants-to-review-it limbo forever.  And 
> it seemed like I shouldn't put the attribute into Clang if LLVM didn't 
> fully honor the contract.
>
> I'll redo the Clang part (Aaron Ballman has refactored the 
> attribute-handling stuff about a hundred times since I did the 
> original patch so it no longer applies) and hopefully get that into 
> Clang soon.
>
> Thanks,
>
> --paulr
>
> Geoffrey - In the short term, if you marked this function as 
> "/__attribute__((optnone))"/, that might have the effect you desire.  
> See 
> http://clang-developers.42468.n3.nabble.com/RFC-add-Function-Attribute-to-disable-optimization-td4032641.html
>
>

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