gcc/
	* config/mips/mips.md: Use match_test rather than eq/ne symbol_ref
	throughout file.
	* config/mips/sb1.md: Likewise.
	* config/mips/predicates.md: Replace (match_test "!...")
	with (not (match_test "..."))
	* config/mips/constraints.md: Likewise.

From-SVN: r178759