Reland 17588: Add signed/unsigned 8-bit and 16-bit Representations to Crankshaft

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 5f1e428d6125d15b7dd5b0f9046dd35ba8052529..29bb78d1b80b4112bf31d9dafbb99b66b4ccba01 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -61,6 +61,9 @@ class MacroAssembler: public Assembler {
   // macro assembler.
   MacroAssembler(Isolate* isolate, void* buffer, int size);
 
+  void Load(Register dst, const Operand& src, Representation r);
+  void Store(Register src, const Operand& dst, Representation r);
+
   // Operations on roots in the root-array.
   void LoadRoot(Register destination, Heap::RootListIndex index);
   void StoreRoot(Register source, Register scratch, Heap::RootListIndex index);