On 2/12/19 3:02 AM, David Hildenbrand wrote: > IEEE underflows are not reported when the mask bit is off and we don't > also have an inexact exception. > > z14 PoP, 9-20, "IEEE Underflow": > An IEEE-underflow exception is recognized for an > IEEE target when the tininess condition exists and > either: (1) the IEEE-underflow mask bit in the FPC > register is zero and the result value is inexact, or (2) > the IEEE-underflow mask bit in the FPC register is > one. > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > target/s390x/fpu_helper.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~