Hi! On Wed, Oct 07, 2020 at 08:00:49PM -0400, Michael Meissner wrote: > I looked into this a bit, and I think we want to keep the current behavior (as > modified by the patches). As Joseph says, the _Float<n> types have their own > types, but may/may not use the same modes as other types. Obviously if these > types leak into C++ (i.e. but 85518), then something needs to be done about > mangling. But that is a machine independent issue, not a PowerPC issue.
There is DF128_ defined for just this, fwiw. (See <https://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling-builtin>.) > I did play around with making _Float128 always use KFmode, but it will cause > us > to need other changes. I can do these changes if needed, but it seems like a > lot of pointless work. It would be ideal if we would never have TFmode stuff in the instruction stream, only IFmode and KFmode. Hey, I can dream :-) Segher
