S/390: Use macros from hwint.h where possible.

S/390: Use macros from hwint.h where possible.

gcc/ChangeLog:

2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
	* config/s390/s390.c (s390_const_operand_ok)
	(s390_canonicalize_comparison, s390_extract_part)
	(s390_single_part, s390_contiguous_bitmask_nowrap_p)
	(s390_contiguous_bitmask_p, s390_rtx_costs)
	(legitimize_pic_address): Likewise.
	* config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
	* config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
	("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
	("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
	* config/s390/vector.md ("vec_vfenes<mode>"): Likewise.

From-SVN: r245207