Add UseAny to create a LOperand without register preference....

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
===================================================================
--- src/arm/lithium-arm.h	(revision 6346)
+++ src/arm/lithium-arm.h	(working copy)
@@ -1887,15 +1887,25 @@
   LOperand* UseRegister(HValue* value);
   LOperand* UseRegisterAtStart(HValue* value);
 
-  // A value in a register that may be trashed.
+  // An input operand in a register that may be trashed.
   LOperand* UseTempRegister(HValue* value);
+
+  // An input operand in a register or stack slot.
   LOperand* Use(HValue* value);
   LOperand* UseAtStart(HValue* value);
+
+  // An input operand in a register, stack slot or a constant operand.
   LOperand* UseOrConstant(HValue* value);
   LOperand* UseOrConstantAtStart(HValue* value);
+
+  // An input operand in a register or a constant operand.
   LOperand* UseRegisterOrConstant(HValue* value);
   LOperand* UseRegisterOrConstantAtStart(HValue* value);
 
+  // An input operand in register, stack slot or a constant operand.
+  // Will not be moved to a register even if one is freely available.
+  LOperand* UseAny(HValue* value);
+
   // Methods for setting up define-use relationships.
   // Return the same instruction that they are passed.
   LInstruction* Define(LInstruction* instr, LUnallocated* result);