* config/floatunsisf.c, config/floatunsidf.c,
	config/floatunsixf.c, config/floatunsitf.c: New files.
	* config/ia64/t-hpux: Add floatunsitf.c.
	* config/ia64/ia64.c (ia64_init_libfuncs): Use
	_U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.

From-SVN: r107558