* optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
	(lrint_optab, llrint_optab): Define corresponding macros.
	* optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
	* genopinit.c (optabs): Implement lrint_optab using lrintsi2
	pattern and llrint_optab using llrintdi2 patterns.
	* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
	using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
	(expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
	BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
	flag_unsafe_math_optimizations is set.

testsuite:

	* gcc.dg/builtins-46.c: Also check lrint* and llrint*.

From-SVN: r96802