------- Comment #18 from manu at gcc dot gnu dot org 2010-02-22 23:56 ------- (In reply to comment #17) > suggest having a c_ep_convert_and_check or similar function that handles > excess precision: it would take the result type, the semantic result type > (the type that gets used eventually to build an EXCESS_PRECISION_EXPR) and > the value to convert. It would just call convert_and_check, ignoring the > semantic type, *except* when the operand has integer type *and* the > semantic type is non-NULL; in that case, it would first convert to the > semantic type them to the result type.
Wouldn't that change the normal result of promotion rules? Also, why call convert_and_check ignoring the semantic type and not just call convert? The excess precision type should be large enough to not cause any problem that needs checking. > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43128
