On 7/8/20 3:20 PM, Max Filippov wrote: > pickNaNMulAdd logic on Xtensa is to apply pickNaN to the inputs of the > expression (a * b) + c. However if default NaN is produces as a result > of (a * b) calculation it is not considered when c is NaN. > So with two pickNaN variants there must be two pickNaNMulAdd variants. > In addition the invalid flag is always set when (a * b) produces NaN. > > Cc: Peter Maydell <peter.mayd...@linaro.org> > Cc: "Alex Bennée" <alex.ben...@linaro.org> > Cc: Richard Henderson <richard.hender...@linaro.org> > Signed-off-by: Max Filippov <jcmvb...@gmail.com> > --- > Changes v2->v3: > - handle infzero case in pickNaNMulAdd properly and reword commit > message
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
