Adds basic tests to the AssemblerX8632.

Makefile.standalone

@@ -218,6 +218,7 @@ SB_OBJS=$(patsubst %.cpp, $(SB_OBJDIR)/%.o, $(SRCS))
 
 UNITTEST_SRCS = \
 	BitcodeMunge.cpp \
+        IceAssemblerX8632Test.cpp \
 	IceELFSectionTest.cpp \
 	IceParseInstsTest.cpp
 

src/IceAssemblerX86Base.h

@@ -332,10 +332,10 @@ public:
   void setcc(typename Traits::Cond::BrCond condition,
              const typename Traits::Address &address);
 
+  // All mov() overloads are tested.
   void mov(Type Ty, typename Traits::GPRRegister dst, const Immediate &src);
   void mov(Type Ty, typename Traits::GPRRegister dst,
            typename Traits::GPRRegister src);
-
   void mov(Type Ty, typename Traits::GPRRegister dst,
            const typename Traits::Address &src);
   void mov(Type Ty, const typename Traits::Address &dst,
@@ -824,6 +824,9 @@ public:
   void hlt();
   void ud2();
 
+  // j(Label) is fully tested.
+  // j(ConstantRelocatable) is not tested as the test can not easily create such
+  // an argument.
   void j(typename Traits::Cond::BrCond condition, Label *label,
          bool near = kFarJump);
   void j(typename Traits::Cond::BrCond condition,