[cfe-dev] how to set clang to fastmath?

[Chad Rosier]

> Hello,
>
> In order to compile a software (desmume-svn5045 [1]), I need to set clang
> to fastmath.
> It means that I need to change the floating point math mode I use in
> clang.
> If I do this, we told me that I should not encounter this [2] segmentation
> fault at runtime.
>
> Do you know what option I must give to clang to set it to fastmath please?
> (I don't find the option in the manual [3])

Perhaps, -ffast-math?

 Chad

>
> Thank you.
> Best regards.
>
> [1] http://desmume.org/
> [2] http://pastebin.com/S532SMUL
> [3] http://clang.llvm.org/docs/UsersManual.html
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