Implement array get and array put in optimizing.

Also fix a couple of assembler/disassembler issues.

Change-Id: I705c8572988c1a9c4df3172b304678529636d5f6
diff --git a/disassembler/disassembler.h b/disassembler/disassembler.h
index 7547ab7..183e692 100644
--- a/disassembler/disassembler.h
+++ b/disassembler/disassembler.h
@@ -43,6 +43,10 @@
   DISALLOW_COPY_AND_ASSIGN(Disassembler);
 };
 
+static inline bool HasBitSet(uint32_t value, uint32_t bit) {
+  return (value & (1 << bit)) != 0;
+}
+
 }  // namespace art
 
 #endif  // ART_DISASSEMBLER_DISASSEMBLER_H_