[RFC] PowerPC 128 bit long double compatibility (PR target/19019)

[Alan Modra]

On Tue, Feb 15, 2005 at 09:02:18PM +1030, Alan Modra wrote:
> On Tue, Feb 15, 2005 at 01:42:29AM -0800, Richard Henderson wrote:
> > On Tue, Feb 15, 2005 at 08:09:02PM +1030, Alan Modra wrote:
> > > -GCC_3.4 {
> > > +GCC_3.4.4 {
> > 
> > Don't you still need the GCC_3.4 symbol and the _xlc names
> > in the version map, even with the symver?
> 
> No, I don't think so.  At least, the linker doesn't need the syms to be
> mentioned in a version script as well as .symver.  Perhaps there's
> something I'm missing about the gcc build process..
> 
> libgcc_s.so and libgcc.a look good to me.

Hmm, I suppose I'm relying on a GCC_3.4 version being defined in
libgcc-std.ver.  If that ever changed, we'd need

GCC_3.4 { }

in libgcc-ppc64.ver.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre