[LLVMdev] a question about constant fold for fdiv

[Jeff Cohen]

Jeff Cohen wrote:
>
> The standard apparently doesn't explicitly handle 0/0, but the 
> position of the IEEE appears to be that it should yield a NaN of the 
> appropriate sign.  See 
> http://standards.ieee.org/reading/ieee/interp/754-1985.html

OK, it does explicitly handle it.  My reading comprehension seems to be 
lacking right now :(

http://754r.ucbtest.org/standards/754xml.html#invalid-exception

The above lists all operations that yield a NaN.
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