https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118592
--- Comment #1 from Joseph S. Myers <jsm28 at gcc dot gnu.org> --- That's just a small subset of the ones coming to C23 via TS 18661-4. There are also all the functions (added to glibc some years ago) that came via TS 18661-1 (we have roundeven, but not most of the rest). And the min/max functions from IEEE 754-2019 (fmaximum, fminimum etc.) that didn't come from a TS (some hardware has support for those, e.g. newer versions of RISC-V). And the existing _FloatN / _FloatNx ones defined using DEF_EXT_LIB_FLOATN_NX_BUILTINS that should be enabled for C23. The functions from TS 18661-4 will mostly need MPFR 4.2 for constant folding.
