PR target/30652
* builtins.c (expand_builtin_interclass_mathfn): Allow for missing
optabs infrastructure. Provide generic implementation for
FINITE/ISFINITE.
(expand_builtin): Handle FINITE/ISFINITE.
(fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
(fold_builtin_1): Likewise.
* builtins.def (BUILT_IN_ISFINITE): New.
* doc/extend.texi: Document isfinite.
testsuite:
* gcc.dg/pr28796-1.c: Add more cases.
* gcc.dg/pr28796-2.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126725
138bc75d-0d04-0410-961f-
82ee72b054a4