Re: [llvm-dev] a tagged architecture, the elephant in the undef / poison room

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Re: [llvm-dev] a tagged architecture, the elephant in the undef / poison room

George Karpenkov via llvm-dev
Krzysztof,
                
IEEE-754 defines certain float bit-patterns to be Nan,
But there is no bit pattern for an int that can encode a Nan.

Peter

On Jun 16, 2017, at 11:02 AM, via llvm-dev <[hidden email]> wrote:


Why do you insist on treating it as an attribute? It's more like NaN for 
floating point: "not a value".

-Krzysztof


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