[Bug c++/98645] C++ modules support does not work on PowerPC with IEEE 128-bit long double

2021-01-19 Thread nathan at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98645

Nathan Sidwell  changed:

   What|Removed |Added

   Last reconfirmed||2021-01-19
 Ever confirmed|0   |1
 Status|UNCONFIRMED |ASSIGNED

[Bug c++/98645] C++ modules support does not work on PowerPC with IEEE 128-bit long double

2021-01-12 Thread segher at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98645

--- Comment #1 from Segher Boessenkool  ---
(In reply to Michael Meissner from comment #0)
> I am tuning up the final patches for providing support to enable the PowerPC
> server compilers to change the default long double from using the IBM
> 128-bit double double format to IEEE 128-bit.

You mean "change the default for powerpc64le-*" I hope?  Most other
configurations we cannot change, certainly not before we allow IEEE QP
float everywhere.

> When the default long double is IEEE 128-bit, the powerpc backend needs to
> create a new type (__ibm128) to allow access to the old IBM 128-bit format. 
> It looks like the gcc/cp/module.cc code does not have a method of dealing
> with target specific floating point types.

If that is true, this should be a P1.  Please figure out if it is true!

[Bug c++/98645] C++ modules support does not work on PowerPC with IEEE 128-bit long double

2021-01-12 Thread meissner at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98645

Michael Meissner  changed:

   What|Removed |Added

 CC||bergner at gcc dot gnu.org,
   ||dje at gcc dot gnu.org,
   ||meissner at gcc dot gnu.org,
   ||nathan at gcc dot gnu.org,
   ||segher at gcc dot gnu.org,
   ||wschmidt at gcc dot gnu.org
   Priority|P3  |P2
  Build||powerpc64le-gnu-linux
   Severity|normal  |major
 Target||powerpc64le-gnu-linux
   Host||powerpc64le-gnu-linux