Displaying 2 results from an estimated 2 matches for "f120776b".
2013 Dec 13
0
[LLVMdev] Float undef value propagation
...tterns which we've discussed so far:
NaN + any == NaN
undef + any == NaN (since undef can be NaN) or undef + any (since undef
could be zero)
Philip
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2013 Dec 11
2
[LLVMdev] Float undef value propagation
On Dec 11, 2013, at 12:33 PM, Tim Northover <t.p.northover at gmail.com> wrote:
> On 11 December 2013 20:25, Raoux, Thomas F <thomas.f.raoux at intel.com> wrote:
>> Well in IEEE-754 Nan + any value returns Nan, so doing Nan + undef -> undef is wrong.
>
> I see what you mean having re-read the language reference. It looks
> like LLVM's "undef" has to