A64: Implement LShiftS

src/a64/lithium-a64.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 144 matching lines @@
   V(OsrEntry)                                   \
   V(OuterContext)                               \
   V(Parameter)                                  \
   V(Power)                                      \
   V(PushArgument)                               \
   V(Random)                                     \
   V(RegExpLiteral)                              \
   V(Return)                                     \
   V(SeqStringSetChar)                           \
   V(ShiftI)                                     \
+  V(ShiftS)                                     \
   V(SmiTag)                                     \
   V(SmiUntag)                                   \
   V(StackCheck)                                 \
   V(StoreCodeEntry)                             \
   V(StoreContextSlot)                           \
   V(StoreGlobalCell)                            \
   V(StoreGlobalGeneric)                         \
   V(StoreKeyedExternal)                         \
   V(StoreKeyedFixed)                            \
   V(StoreKeyedFixedDouble)                      \
@@ skipping 2279 matching lines @@
   bool can_deopt() const { return can_deopt_; }
 
   DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")
 
  private:
   Token::Value op_;
   bool can_deopt_;
 };
 
 
+class LShiftS V8_FINAL : public LTemplateInstruction<1, 2, 1> {
+ public:
+  LShiftS(Token::Value op, LOperand* left, LOperand* right, LOperand* temp,
+          bool can_deopt) : op_(op), can_deopt_(can_deopt) {
+    inputs_[0] = left;
+    inputs_[1] = right;
+    temps_[0] = temp;
+  }
+
+  Token::Value op() const { return op_; }
+  LOperand* left() { return inputs_[0]; }
+  LOperand* right() { return inputs_[1]; }
+  LOperand* temp() { return temps_[0]; }
+  bool can_deopt() const { return can_deopt_; }
+
+  DECLARE_CONCRETE_INSTRUCTION(ShiftS, "shift-s")
+
+ private:
+  Token::Value op_;
+  bool can_deopt_;
+};
+
+
 class LStoreCodeEntry V8_FINAL: public LTemplateInstruction<0, 2, 1> {
  public:
   LStoreCodeEntry(LOperand* function, LOperand* code_object,
                   LOperand* temp) {
     inputs_[0] = function;
     inputs_[1] = code_object;
     temps_[0] = temp;
   }
 
   LOperand* function() { return inputs_[0]; }
@@ skipping 483 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_A64_LITHIUM_A64_H_