* config/arm/arm.c (get_arm_condition_code): Remove CC_NOTBmode case.
	* arm-modes.def (CC_NOTB): Don't define.
	* config/arm/arm.md (arm_adddi3): Generate canonical RTL.
	(adddi_sesidi_di, adddi_zesidi_di): Likewise.
	(LTUGEU): New code_iterator.
	(cnb, optab): New corresponding code_attrs.
	(addsi3_carryin_<optab>): Renamed from addsi3_carryin.  Change pattern
	to canonical form.  Operands 1 and 2 are commutative.  Parametrize
	using LTUGEU.
	(addsi3_carryin_shift_<optab>): Likewise.
	(addsi3_carryin_alt2_<optab>): Renamed from addsi3_carryin_alt2.
	Operands 1 and 2 are commutative.  Parametrize using LTUGEU.
	(addsi3_carryin_alt1, addsi3_carryin_alt3): Remove.
	(subsi3_compare): Renamed from subsi3_compare0_c.  Change CC_NOTB to
	CC.
	(arm_subsi3_insn): Allow constants for operand 0.
	(compare_scc peephole for eq case): New.
	(compare_scc splitters): Change CC_NOTB to CC.

From-SVN: r161831