[Interpreter] Adds shift operators to interpreter

test/cctest/interpreter/test-bytecode-generator.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/compiler.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecode-generator.h"
 #include "src/interpreter/interpreter.h"
@@ skipping 202 matching lines @@
       {"var x = 0; return x;",
        kPointerSize,
        1,
        6,
        {
            B(LdaZero),     //
            B(Star), R(0),  //
            B(Ldar), R(0),  //
            B(Return)       //
        },
-       0
-      },
+       0},
       {"var x = 0; return x + 3;",
        2 * kPointerSize,
        1,
        12,
        {
            B(LdaZero),         //
            B(Star), R(0),      //
            B(Ldar), R(0),      // Easy to spot r1 not really needed here.
            B(Star), R(1),      // Dead store.
            B(LdaSmi8), U8(3),  //
            B(Add), R(1),       //
            B(Return)           //
        },
-       0
-     }};
+       0},
+      {"var x = 10; return x << 3;",
+       2 * kPointerSize,
+       1,
+       13,
+       {
+           B(LdaSmi8), U8(10),  //
+           B(Star), R(0),       //
+           B(Ldar), R(0),       // Easy to spot r1 not really needed here.
+           B(Star), R(1),       // Dead store.
+           B(LdaSmi8), U8(3),   //
+           B(ShiftLeft), R(1),  //
+           B(Return)            //
+       },
+       0},
+      {"var x = 10; return x >> 3;",
+       2 * kPointerSize,
+       1,
+       13,
+       {
+           B(LdaSmi8), U8(10),   //
+           B(Star), R(0),        //
+           B(Ldar), R(0),        // Easy to spot r1 not really needed here.
+           B(Star), R(1),        // Dead store.
+           B(LdaSmi8), U8(3),    //
+           B(ShiftRight), R(1),  //
+           B(Return)             //
+       },
+       0},
+      {"var x = 10; return x >>> 3;",
+       2 * kPointerSize,
+       1,
+       13,
+       {
+           B(LdaSmi8), U8(10),  //
+           B(Star), R(0),       //
+           B(Ldar), R(0),       // Easy to spot r1 not really needed here.
+           B(Star), R(1),       // Dead store.
+           B(LdaSmi8), U8(3),   //
+           B(ShiftRightLogical), R(1),  //
+           B(Return)                    //
+       },
+       0}};
 
   for (size_t i = 0; i < arraysize(snippets); i++) {
     Handle<BytecodeArray> bytecode_array =
         helper.MakeBytecodeForFunctionBody(snippets[i].code_snippet);
     CheckBytecodeArrayEqual(snippets[i], bytecode_array);
   }
 }
 
 
 TEST(Parameters) {
@@ skipping 1197 matching lines @@
     Handle<BytecodeArray> bytecode_array =
         helper.MakeBytecodeForFunctionBody(snippets[i].code_snippet);
     CheckBytecodeArrayEqual(snippets[i], bytecode_array);
   }
 }
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8