[Bug target/26695] -mabi=ieeelongdouble / undefined reference to _q_add.

[pluto at agmk dot net]

------- Comment #2 from pluto at agmk dot net  2006-03-15 14:22 -------
(In reply to comment #1)
> Why are you using ieeelongdouble?

just for testing. is it enough reason?

> It is not really supported at all on PPC-linux.

so, for what gcc has such broken feature?

[ cite gcc.info@ppc ]

`-mabi=ABI-TYPE'
     Extend the current ABI with a particular extension, or remove such
     extension.  Valid values are ALTIVEC, NO-ALTIVEC, SPE, NO-SPE,
     IBMLONGDOUBLE, IEEELONGDOUBLE.
                    ^^^^^^^^^^^^^^

`-mabi=ibmlongdouble'
     Change the current ABI to use IBM extended precision long double.
     This is a PowerPC 32-bit SYSV ABI option.

`-mabi=ieeelongdouble'
     Change the current ABI to use IEEE extended precision long double.
     This is a PowerPC 32-bit Linux ABI option.
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ /cite ]


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26695