[stubs] Introduce LeftShift, SignedRightShift and UnsignedRightShift stubs.

src/code-stubs.h

 // Copyright 2012 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 97 matching lines @@
   V(AllocateBool16x8)                       \
   V(AllocateInt8x16)                        \
   V(AllocateUint8x16)                       \
   V(AllocateBool8x16)                       \
   V(StringLength)                           \
   V(Add)                                    \
   V(Subtract)                               \
   V(Multiply)                               \
   V(Divide)                                 \
   V(Modulus)                                \
+  V(SignedRightShift)                       \
+  V(UnsignedRightShift)                     \
+  V(LeftShift)                              \
   V(BitwiseAnd)                             \
   V(BitwiseOr)                              \
   V(BitwiseXor)                             \
   V(LessThan)                               \
   V(LessThanOrEqual)                        \
   V(GreaterThan)                            \
   V(GreaterThanOrEqual)                     \
   V(Equal)                                  \
   V(NotEqual)                               \
   V(StrictEqual)                            \
@@ skipping 578 matching lines @@
 };
 
 class ModulusStub final : public TurboFanCodeStub {
  public:
   explicit ModulusStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
   DEFINE_TURBOFAN_CODE_STUB(Modulus, TurboFanCodeStub);
 };
 
+class SignedRightShiftStub final : public TurboFanCodeStub {
+ public:
+  explicit SignedRightShiftStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
+  DEFINE_TURBOFAN_CODE_STUB(SignedRightShift, TurboFanCodeStub);
+};
+
+class UnsignedRightShiftStub final : public TurboFanCodeStub {
+ public:
+  explicit UnsignedRightShiftStub(Isolate* isolate)
+      : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
+  DEFINE_TURBOFAN_CODE_STUB(UnsignedRightShift, TurboFanCodeStub);
+};
+
+class LeftShiftStub final : public TurboFanCodeStub {
+ public:
+  explicit LeftShiftStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
+  DEFINE_TURBOFAN_CODE_STUB(LeftShift, TurboFanCodeStub);
+};
+
 class BitwiseAndStub final : public TurboFanCodeStub {
  public:
   explicit BitwiseAndStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
   DEFINE_TURBOFAN_CODE_STUB(BitwiseAnd, TurboFanCodeStub);
 };
 
 class BitwiseOrStub final : public TurboFanCodeStub {
  public:
@@ skipping 2395 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_