[LLVMdev] a question about constant fold for fdiv

[Reid Spencer]

On Thu, 2007-03-22 at 15:50 -0700, leo han wrote:
> Hello, I have a question about the constant folding for fdiv instructions. 
> For the instruction "fdiv double 0.0, 0.0", the folded result is inf. I 
> think this should be nan. Can anyone tell me why it is not nan?

I think the specification says that it is "undefined" so any value will
do. inf is just as undefined as nan.

Reid.

> Thanks.
> 
> Leo
> 
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