* lib/target-supports.exp (add_options_for_arm_fp16): Renamed
	from add_options_for_arm_neon_fp16.
	(check_effective_target_arm_fp16_ok_nocache): Renamed from
	check_effective_target_arm_neon_fp16_ok_nocache.
	Check -mfpu and -mfloat-abi options from current multilib.
	Do not require neon support.
	(check_effective_target_arm_fp16_ok): Renamed from
	check_effecitve_target_arm_neon_fp16_ok.
	* g++.dg/ext/arm-fp16/arm-fp16-ops-5.C: Use new names for
	arm_neon_fp16_ok and arm_fp16.
	* g++.dg/ext/arm-fp16/arm-fp16-ops-6.C: Likewise.
	* gcc.dg/torture/arm-fp16-ops-5.c: Likewise.
	* gcc.dg/torture/arm-fp16-ops-6.c: Likewise.
	* gcc.target/arm/fp16-compile-vcvt.c: Likewise.

From-SVN: r175545