s390-opts.h: New.

s390-opts.h: New.

	* config/s390/s390-opts.h: New.
	* config/s390/s390.c (s390_tune, s390_tune_flags, s390_arch,
	s390_arch_flags, s390_warn_framesize, s390_stack_size,
	s390_stack_guard): Remove.
	(s390_handle_arch_option): Return void.  Take enum
	s390_arch_option value instead of string and searching array.
	(s390_handle_option): Don't assert that global structures are in
	use.  Access variables via opts pointer.  Use error_at.  Don't use
	sscanf for -mstack-guard= or -mstack-size=.  Update call to
	s390_handle_arch_option.
	(s390_option_override): Update call to s390_handle_arch_option.
	(s390_emit_prologue): Use %d format for s390_stack_size in
	diagnostic.  Use %wd for HOST_WIDE_INT.
	* config/s390/s390.h (enum processor_type): Move to s390-opts.h.
	(s390_tune, s390_tune_flags, s390_arch, s390_arch_flags): Remove.
	* config/s390/s390.opt (config/s390/s390-opts.h): New
	HeaderInclude entry.
	(s390_arch_string, s390_tune, s390_tune_flags, s390_arch,
	s390_arch_flags, s390_warn_framesize): New Variable entries.
	(s390_arch_option): New Enum and EnumValue entries.
	(march=): Use Enum instead of Var.
	(mstack-guard=, mstack-size=): Use UInteger and Var.
	(mtune=): Use Enum.

From-SVN: r171330