config.gcc (sparc*-*-solaris2*): Adjust.

config.gcc (sparc*-*-solaris2*): Adjust.

	* config.gcc (sparc*-*-solaris2*): Adjust.
	(sparc64-*-linux*): Likewise.
	* config/sparc/default-64.h: Rename to...
	* config/sparc/default64.h: ...this.
	* config/sparc/sparc.c (sparc_option_override): Replace TARGET_64BIT
	with TARGET_ARCH64.
	(sparc_mangle_type): Replace !TARGET_64BIT with TARGET_ARCH32.
	* config/sparc/sparc.h: Minor tweaks.
	* config/sparc/sparc.md: Replace !TARGET_64BIT and !TARGET_ARCH64 with
	TARGET_ARCH32 throughout.  Minor various tweaks throughout.

From-SVN: r241538