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754m
2007 Mar 22
0
[LLVMdev] a question about constant fold for fdiv
...> 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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2007 Mar 22
2
[LLVMdev] a question about constant fold for fdiv
Jeff Cohen wrote:
> Jeff Cohen wrote:
>> Reid Spencer wrote:
>>> 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