https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111955
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Gaius Mulley <ga...@gcc.gnu.org>: https://gcc.gnu.org/g:8bb655d0c56502798d664ab0c1685bbab4aaa454 commit r14-4921-g8bb655d0c56502798d664ab0c1685bbab4aaa454 Author: Gaius Mulley <gaiusm...@gmail.com> Date: Wed Oct 25 11:04:12 2023 +0100 PR modula2/111955 introduce isnan support to Builtins.def This patch introduces isnan, isnanf and isnanl to Builtins.def. It requires fallback functions isnan, isnanf, isnanl to be implemented in libgm2/libm2pim/wrapc.cc and gm2-libs-ch/wrapc.c. Access to the GCC builtin isnan tree is provided by adding an isnan definition and support functions to gm2-gcc/m2builtins.cc. gcc/m2/ChangeLog: PR modula2/111955 * gm2-gcc/m2builtins.cc (gm2_isnan_node): New tree. (DoBuiltinIsnan): New function. (m2builtins_BuiltInIsnan): New function. (m2builtins_init): Initialize gm2_isnan_node. (list_of_builtins): Add define for __builtin_isnan. * gm2-libs-ch/wrapc.c (wrapc_isnan): New function. (wrapc_isnanf): New function. (wrapc_isnanl): New function. * gm2-libs/Builtins.def (isnanf): New procedure function. (isnan): New procedure function. (isnanl): New procedure function. * gm2-libs/Builtins.mod: * gm2-libs/wrapc.def (isnan): New function. (isnanf): New function. (isnanl): New function. libgm2/ChangeLog: PR modula2/111955 * libm2pim/wrapc.cc (isnan): Export new function. (isnanf): Export new function. (isnanl): Export new function. gcc/testsuite/ChangeLog: PR modula2/111955 * gm2/pimlib/run/pass/testnan.mod: New test. Signed-off-by: Gaius Mulley <gaiusm...@gmail.com>