[Bug target/82748] ICE with __builtin_fabsq and __float128 in copy_to_mode_reg, at explow.c:612

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82748

--- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> ---
Inside the compiler we use TFmode for the IEEE 128-bit type when the default
long double is IEEE 128-bit floating point and KFmode when the default long
double is IBM double-double.