On 10/21/22 01:23, Jakub Jelinek wrote:
Hi! On top of the pending https://gcc.gnu.org/pipermail/gcc-patches/2022-October/603665.html patch, the following patch adds another needed builtin. The above patch adds among other things __builtin_nextafterf16 builtin which we need in order to constexpr evaluate std::nextafter(_Float16) overload (patch for that to be posted momentarily). While there is inline implementation of the overload, it isn't constant evaluation friendly, and the builtin doesn't need libm implementation because it will be used only during constant expression evaluation. We need the same thing also for std::nextafter(__gnu_cxx::__bfloat16_t) though and this patch does that. Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk? 2022-10-21 Jakub Jelinek <ja...@redhat.com> * builtin-types.def (BT_FN_BFLOAT16_BFLOAT16_BFLOAT16): New. * builtins.def (BUILT_IN_NEXTAFTERF16B): New builtin. * fold-const-call.cc (fold_const_call_sss): Handle CFN_BUILT_IN_NEXTAFTERF16B.
OK jeff
