[Bug c++/57390] New: Fixed point types on AVR are not available in C++ mode

[Bug c++/57390] New: Fixed point types on AVR are not available in C++ mode

[ambrop7 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57390

            Bug ID: 57390
           Summary: Fixed point types on AVR are not available in C++ mode
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ambrop7 at gmail dot com

As of version 4.8, GCC supports fixed point types for the AVR target. See:
http://gcc.gnu.org/wiki/avr-gcc#Fixed-Point_Support

However, this is only available in C and not in C++. Please enable fixed point
for C++ too. It may have to be hidden behind an option to not break existing
C++ code though.

[Bug c++/57390] Fixed point types on AVR are not available in C++ mode

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57390

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There is no way to enable it for C++ because the extension has not been
designed to how it would interact with templates and such.

See the thread at http://gcc.gnu.org/ml/gcc/2011-11/msg00124.html for more
info.

[Bug c++/57390] Fixed point types on AVR are not available in C++ mode

[ambrop7 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57390

--- Comment #2 from Ambroz Bizjak <ambrop7 at gmail dot com> ---
I've been reading the discussion there, but I don't see any interaction
problems with templates. Most of it is just useless arguing about whether fixed
point types can be implemented externally with templates. The support in the
GCC code is already there, what is the real obstacle to enabling that in C++?

[Bug c++/57390] Fixed point types on AVR are not available in C++ mode

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57390

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |avr
           Priority|P3                          |P5
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-06-10
                 CC|                            |gjl at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
It's not about "enabling", it's about extending the C++ language and front end
in GCC and maintaining such extension.