LoongArch: When -mfpu=none, '__loongarch_frecipe' shouldn't be defined [PR118843].

	PR target/118843

gcc/ChangeLog:

	* config/loongarch/loongarch-c.cc
	(loongarch_update_cpp_builtins): Fix macro definition issues.

gcc/testsuite/ChangeLog:

	* gcc.target/loongarch/pr118843.c: New test.

(cherry picked from commit ee579b7c257468b9032ab4583ec455fa871d4428)
2 files changed