[builtins] Introduce proper Float64Tan operator.

src/compiler/machine-operator.cc

 // Copyright 2014 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/compiler/machine-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 
@@ skipping 156 matching lines @@
   V(Float64Log2, Operator::kNoProperties, 1, 0, 1)                            \
   V(Float64Log10, Operator::kNoProperties, 1, 0, 1)                           \
   V(Float64Add, Operator::kCommutative, 2, 0, 1)                              \
   V(Float64Sub, Operator::kNoProperties, 2, 0, 1)                             \
   V(Float64SubPreserveNan, Operator::kNoProperties, 2, 0, 1)                  \
   V(Float64Mul, Operator::kCommutative, 2, 0, 1)                              \
   V(Float64Div, Operator::kNoProperties, 2, 0, 1)                             \
   V(Float64Mod, Operator::kNoProperties, 2, 0, 1)                             \
   V(Float64Sin, Operator::kNoProperties, 1, 0, 1)                             \
   V(Float64Sqrt, Operator::kNoProperties, 1, 0, 1)                            \
+  V(Float64Tan, Operator::kNoProperties, 1, 0, 1)                             \
   V(Float32Equal, Operator::kCommutative, 2, 0, 1)                            \
   V(Float32LessThan, Operator::kNoProperties, 2, 0, 1)                        \
   V(Float32LessThanOrEqual, Operator::kNoProperties, 2, 0, 1)                 \
   V(Float64Equal, Operator::kCommutative, 2, 0, 1)                            \
   V(Float64LessThan, Operator::kNoProperties, 2, 0, 1)                        \
   V(Float64LessThanOrEqual, Operator::kNoProperties, 2, 0, 1)                 \
   V(Float64ExtractLowWord32, Operator::kNoProperties, 1, 0, 1)                \
   V(Float64ExtractHighWord32, Operator::kNoProperties, 1, 0, 1)               \
   V(Float64InsertLowWord32, Operator::kNoProperties, 2, 0, 1)                 \
   V(Float64InsertHighWord32, Operator::kNoProperties, 2, 0, 1)                \
@@ skipping 516 matching lines @@
   }
   ATOMIC_REPRESENTATION_LIST(STORE)
 #undef STORE
   UNREACHABLE();
   return nullptr;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8