* config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.

	* config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
	(c4x_expand_builtin): Likewise.

	* config/c4x/c4x.c (c4x_init_builtins): New function.
	(c4x_expand_builtin): Likewise.

	* config/c4x/c4x.md (floatunsqihf2): New pattern.
	(*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
	(fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
	(*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
	(*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.

Co-Authored-By: Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

From-SVN: r38315