rs6000-builtin.def (BU_FP_1MISC_1): Add define macro.

rs6000-builtin.def (BU_FP_1MISC_1): Add define macro.

gcc/ChangeLog:

2017-09-27  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-builtin.def (BU_FP_1MISC_1): Add define macro.
	(FCTID, FCTIW): Add BU_FP_MISC_1 macro expansion for builtins.
	* config/rs6000/rs6000.md (lrintsfsi2): Add define_insn for the
	fctiw instruction.

gcc/testsuite/ChangeLog:

2017-09-27 Carl Love  <cel@us.ibm.com>
	* gcc.target/powerpc/builtin-fctid-fctiw-runnable.c: New test file
	for the __builtin_fctid and __builtin_fctiw.

From-SVN: r253238