MIPS: Port to x64 and ARM and some refactoring of ia32.

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index eb85f10ed5bb77815be979a5a924aaa60d084782..efc5e274be72c47b681f2598f8fd3dfed9ce5506 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -1793,6 +1793,8 @@ class LCheckFunction: public LTemplateInstruction<0, 1, 0> {
     inputs_[0] = value;
   }
 
+  LOperand* value() { return InputAt(0); }
+
   DECLARE_CONCRETE_INSTRUCTION(CheckFunction, "check-function")
   DECLARE_HYDROGEN_ACCESSOR(CheckFunction)
 };