mips.md (cmpsi, cmpdi): Redefine using :GPR.

	* config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
	(*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
	using :GPR.
	(*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
	(*branch_equality[sd]i): Likewise branch_equality{,_di}.
	(*branch_equality[sd]i_inverted): Likewise
	branch_equality{,_di}_inverted.
	(*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
	Redefine using :GPR.

From-SVN: r86507