On 2/12/19 3:03 AM, David Hildenbrand wrote: > Some instructions allow to suppress IEEE inexact exceptions. > > z14 PoP, 9-23, "Suppression of Certain IEEE Exceptions" > IEEE-inexact-exception control (XxC): Bit 1 of > the M4 field is the XxC bit. If XxC is zero, recogni- > tion of IEEE-inexact exception is not suppressed; > if XxC is one, recognition of IEEE-inexact excep- > tion is suppressed. > > Especially, handling for overflow/unerflow remains as is, inexact is > reported along > > z14 PoP, 9-23, "Suppression of Certain IEEE Exceptions" > For example, the IEEE-inexact-exception control (XxC) > has no effect on the DXC; that is, the DXC for IEEE- > overflow or IEEE-underflow exceptions along with the > detail for exact, inexact and truncated, or inexact and > incremented, is reported according to the actual con- > dition. > > Follow up patches will wire it correctly up for the applicable > instructions. > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > target/s390x/fpu_helper.c | 112 +++++++++++++++++++------------------- > 1 file changed, 56 insertions(+), 56 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
