[builtins] Introduce proper Float64Cos and Float64Sin.

src/crankshaft/arm64/lithium-arm64.h

 // Copyright 2013 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_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
 #define V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
 
 #include "src/crankshaft/hydrogen.h"
 #include "src/crankshaft/lithium.h"
 #include "src/crankshaft/lithium-allocator.h"
@@ skipping 86 matching lines @@
   V(LoadKeyedExternal)                       \
   V(LoadKeyedFixed)                          \
   V(LoadKeyedFixedDouble)                    \
   V(LoadKeyedGeneric)                        \
   V(LoadNamedField)                          \
   V(LoadNamedGeneric)                        \
   V(LoadRoot)                                \
   V(MathAbs)                                 \
   V(MathAbsTagged)                           \
   V(MathClz32)                               \
+  V(MathCos)                                 \
+  V(MathSin)                                 \
   V(MathExp)                                 \
   V(MathFloorD)                              \
   V(MathFloorI)                              \
   V(MathFround)                              \
   V(MathLog)                                 \
   V(MathMinMax)                              \
   V(MathPowHalf)                             \
   V(MathRoundD)                              \
   V(MathRoundI)                              \
   V(MathSqrt)                                \
@@ skipping 1639 matching lines @@
   LOperand* context() { return inputs_[0]; }
   LOperand* value() { return inputs_[1]; }
   LOperand* temp1() { return temps_[0]; }
   LOperand* temp2() { return temps_[1]; }
   LOperand* temp3() { return temps_[2]; }
 
   DECLARE_CONCRETE_INSTRUCTION(MathAbsTagged, "math-abs-tagged")
   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 };
 
+class LMathCos final : public LUnaryMathOperation<0> {
+ public:
+  explicit LMathCos(LOperand* value) : LUnaryMathOperation<0>(value) {}
+
+  DECLARE_CONCRETE_INSTRUCTION(MathCos, "math-cos")
+};
+
+class LMathSin final : public LUnaryMathOperation<0> {
+ public:
+  explicit LMathSin(LOperand* value) : LUnaryMathOperation<0>(value) {}
+
+  DECLARE_CONCRETE_INSTRUCTION(MathSin, "math-sin")
+};
+
 class LMathExp final : public LUnaryMathOperation<0> {
  public:
   explicit LMathExp(LOperand* value) : LUnaryMathOperation<0>(value) {}
 
   DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
 };
 
 
 // Math.floor with a double result.
 class LMathFloorD final : public LUnaryMathOperation<0> {
@@ skipping 1231 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_