On 04/14/2011 02:14 AM, Peter Maydell wrote:
> While we're on the subject of Alpha and flush-to-zero modes,
> do you know what exception bits should get set when Alpha
> flushes a denormal output (not input) to zero?
...
> I think Alpha should set Inexact and not Underflow, but
> I'm not sure -- can you confirm/deny?
Deny.
Page B-8, Add Sub Output Exceptions,
Exponent underflow and disabled:
Supply +0, no exception delivered to user.
Exponent underflow and enabled:
Supply +-MIN denorm, Underflow delivered to user.
Footnote 3, Overflow and Underflow have priority over Inexact.
r~
