[builtins] Introduce proper Float64Cos and Float64Sin.

src/builtins.cc

 // 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.
 
 #include "src/builtins.h"
 
 #include "src/api-arguments.h"
 #include "src/api-natives.h"
 #include "src/api.h"
 #include "src/base/ieee754.h"
@@ skipping 2403 matching lines @@
 
   assembler->Bind(&do_clz32);
   {
     Node* x_value = var_clz32_x.value();
     Node* value = assembler->Word32Clz(x_value);
     Node* result = assembler->ChangeInt32ToTagged(value);
     assembler->Return(result);
   }
 }
 
+// ES6 section 20.2.2.12 Math.cos ( x )
+void Builtins::Generate_MathCos(CodeStubAssembler* assembler) {
+  using compiler::Node;
+
+  Node* x = assembler->Parameter(1);
+  Node* context = assembler->Parameter(4);
+  Node* x_value = assembler->TruncateTaggedToFloat64(context, x);
+  Node* value = assembler->Float64Cos(x_value);
+  Node* result = assembler->ChangeFloat64ToTagged(value);
+  assembler->Return(result);
+}
+
 // ES6 section 20.2.2.14 Math.exp ( x )
 void Builtins::Generate_MathExp(CodeStubAssembler* assembler) {
   using compiler::Node;
 
   Node* x = assembler->Parameter(1);
   Node* context = assembler->Parameter(4);
   Node* x_value = assembler->TruncateTaggedToFloat64(context, x);
   Node* value = assembler->Float64Exp(x_value);
   Node* result = assembler->ChangeFloat64ToTagged(value);
   assembler->Return(result);
@@ skipping 84 matching lines @@
   Node* value = assembler->Float64Expm1(x_value);
   Node* result = assembler->ChangeFloat64ToTagged(value);
   assembler->Return(result);
 }
 
 // ES6 section 20.2.2.28 Math.round ( x )
 void Builtins::Generate_MathRound(CodeStubAssembler* assembler) {
   Generate_MathRoundingOperation(assembler, &CodeStubAssembler::Float64Round);
 }
 
+// ES6 section 20.2.2.30 Math.sin ( x )
+void Builtins::Generate_MathSin(CodeStubAssembler* assembler) {
+  using compiler::Node;
+
+  Node* x = assembler->Parameter(1);
+  Node* context = assembler->Parameter(4);
+  Node* x_value = assembler->TruncateTaggedToFloat64(context, x);
+  Node* value = assembler->Float64Sin(x_value);
+  Node* result = assembler->ChangeFloat64ToTagged(value);
+  assembler->Return(result);
+}
+
 // ES6 section 20.2.2.32 Math.sqrt ( x )
 void Builtins::Generate_MathSqrt(CodeStubAssembler* assembler) {
   using compiler::Node;
 
   Node* x = assembler->Parameter(1);
   Node* context = assembler->Parameter(4);
   Node* x_value = assembler->TruncateTaggedToFloat64(context, x);
   Node* value = assembler->Float64Sqrt(x_value);
   Node* result = assembler->ChangeFloat64ToTagged(value);
   assembler->Return(result);
@@ skipping 3491 matching lines @@
 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 #undef DEFINE_BUILTIN_ACCESSOR_T
 #undef DEFINE_BUILTIN_ACCESSOR_S
 #undef DEFINE_BUILTIN_ACCESSOR_H
 
 }  // namespace internal
 }  // namespace v8