[llvm-dev] Meaning of IR inline assembly

[David Siegel via llvm-dev]

> On 18.11.2015, at 16:28, AlexandreFressange via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> I reduced the above code to the offending line containing: "imr,~{dirflag},~{fpsr},~{flags}".
> 
> How should I interpret this? I found no resource on this over the net. Maybe there are more options like that? 
> Do you have a link explaining this more in details?

It’s called a constraint string and it is documented here:

http://llvm.org/docs/LangRef.html#inline-asm-constraint-string

Cheers,

d

> 
> thanks a lot.
> -- 
> Alex
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