[Bug target/85657] Make __ibm128 a separate type, even if long double uses the IBM double-double format

meissner at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Jun 22 21:35:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85657

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #8 from Michael Meissner <meissner at gcc dot gnu.org> ---
Originally as the problem report said we thought __ibm128 and __float128 should
be separate types from the long double type.  On June 5th, 2018, we changed the
compiler to use the long double type for __ibm128 if the default long double
type is IBM extended double and __float128 if the default long double type is
IEEE 128-bit.  We made the default mangling for __ibm128 be "g", the same as
long double using IBM extended double format.

The changes have also been backported to GCC 8.x.


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