libgcc/ChangeLog:

	PR target/45476
	* Makefile.in (sifuncs, difuncs, tifuncs): Filter out
	LIB2FUNCS_EXCLUDE functions.

gcc/ChangeLog:

	PR target/45476
	* config/i386/t-darwin (LIB2FUNCS_EXCLUDE): New.
	* config/i386/darwin.h (LIBGCC2_HAS_TF_MODE,
	LIBGCC2_TF_CEXT, TF_SIZE): New defines.

gcc/testsuite/ChangeLog:

	PR target/45476
	* gcc.target/i386/float128-1.c: Enable for all x86 targets.
	* gcc.target/i386/float128-2.c: Ditto.

From-SVN: r163819