On 2018-09-22 10:17:04 +0200, Vincent Lefevre wrote: > Thus if one does > > float a; > int b; > > /* ... */ > a + b; > > with FLT_EVAL_METHOD = 2, the evaluation type of a is long double, b > is converted to the semantic type float, but its evaluation type is > long double, so that its value should not change if representable as > a long double. That's what FLT_EVAL_METHOD means. The *only* cases > for which the precision and range need to be reduced to those of the > semantic type if for assignment and cast, but here one just has an > implicit conversion. Bug reported here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87390 (note that the tests do not involve constants, these are just about implicit type conversions). -- Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
