Add CMN instruction to ARM integrated assembler.

src/DartARM32/assembler_arm.cc

Index: src/DartARM32/assembler_arm.cc
diff --git a/src/DartARM32/assembler_arm.cc b/src/DartARM32/assembler_arm.cc
index a5fe0ccaa3dd0e8e42b92f3452bd63c46a2545b3..2ccf0b7e3dff627c047fdd56eb1d85f147f56891 100644
--- a/src/DartARM32/assembler_arm.cc
+++ b/src/DartARM32/assembler_arm.cc
@@ -269,14 +269,12 @@ void Assembler::teq(Register rn, Operand o, Condition cond) {
 void Assembler::cmp(Register rn, Operand o, Condition cond) {
   EmitType01(cond, o.type(), CMP, 1, rn, R0, o);
 }
-#endif
-
 
+// Moved to ARM32::AssemblerARM32::cmn()
 void Assembler::cmn(Register rn, Operand o, Condition cond) {
   EmitType01(cond, o.type(), CMN, 1, rn, R0, o);
 }
 
-#if 0
 // Moved to ARM32::AssemberARM32::orr()
 void Assembler::orr(Register rd, Register rn, Operand o, Condition cond) {
   EmitType01(cond, o.type(), ORR, 0, rn, rd, o);