This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [Bug libstdc++/22200] numeric_limits<signed>::is_modulo is inconsistend with gcc

"pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> writes:

| Actually it is modulo for all operations.  

But then do read the comment as far as the loop optimizer is
concerned. It does not seem like it understands that it is modulo
arithmetic. 

| and INT_MAX/-1 does not raise a trap.

It that is the case, then it is one issue less.  But that wasn't the
purpose of this PR.  The issue is far from resolved just because
you assert that INT_MAX/-1 does not trap.

-- Gaby
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]