[interpreter] Introduce binary op bytecodes for Smi operand.

test/cctest/interpreter/bytecode_expectations/BreakableBlocks.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: mixed
 execute: yes
 wrap: yes
 
 ---
 snippet: "
   var x = 0;
   label: {
     x = x + 1;
     break label;
     x = x + 1;
   }
   return x;
 "
 frame size: 1
 parameter count: 1
-bytecode array length: 15
+bytecode array length: 14
 bytecodes: [
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaZero),
                 B(Star), R(0),
-  /*   56 S> */ B(LdaSmi), U8(1),
-                B(Add), R(0),
+  /*   56 S> */ B(AddSmi), U8(1), R(0),
                 B(Star), R(0),
   /*   69 S> */ B(Jump), U8(2),
   /*   97 S> */ B(Ldar), R(0),
   /*  107 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]
 
@@ skipping 172 matching lines @@
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
   InstanceType::SHARED_FUNCTION_INFO_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
 ]
 handlers: [
 ]