* config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
	* config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
	* config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
	routines, _Qp_* cannot be handled like that now.
	(INIT_TARGET_OPTABS): Likewise.
	* config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
	(seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
	sparc_emit_float_lib_cmp if ARCH64 and soft float.
	(extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
	floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
	divtf3, sqrttf3): New expanders.
	(extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
	floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
	addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
	non-_hq patterns.

From-SVN: r30824