[RFC] Fix PR28684

Revital1 Eres ERES@il.ibm.com
Thu Nov 16 15:00:00 GMT 2006


> I believe we may also inhibit or create underflow or overflow with
> re-ordering for example
> (X + C1) - C2 to X + (C1 - C2)
> for X near FLT_MAX and C1 sufficiently large.

Right.

> Even transforming
> X + Y - Y to X
> may fail to propagate a NaN Y to the result.
>

Is transforming X + Y - Y to X is allowed by our flag?
Isn't it like x * 0 -> 0?

Thanks



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