[builtins] Introduce proper Float64Tan operator.

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 1142 matching lines @@
     case IrOpcode::kFloat64Log1p:
       return MarkAsFloat64(node), VisitFloat64Log1p(node);
     case IrOpcode::kFloat64Log10:
       return MarkAsFloat64(node), VisitFloat64Log10(node);
     case IrOpcode::kFloat64Log2:
       return MarkAsFloat64(node), VisitFloat64Log2(node);
     case IrOpcode::kFloat64Sin:
       return MarkAsFloat64(node), VisitFloat64Sin(node);
     case IrOpcode::kFloat64Sqrt:
       return MarkAsFloat64(node), VisitFloat64Sqrt(node);
+    case IrOpcode::kFloat64Tan:
+      return MarkAsFloat64(node), VisitFloat64Tan(node);
     case IrOpcode::kFloat64Equal:
       return VisitFloat64Equal(node);
     case IrOpcode::kFloat64LessThan:
       return VisitFloat64LessThan(node);
     case IrOpcode::kFloat64LessThanOrEqual:
       return VisitFloat64LessThanOrEqual(node);
     case IrOpcode::kFloat32RoundDown:
       return MarkAsFloat32(node), VisitFloat32RoundDown(node);
     case IrOpcode::kFloat64RoundDown:
       return MarkAsFloat64(node), VisitFloat64RoundDown(node);
@@ skipping 131 matching lines @@
 }
 
 void InstructionSelector::VisitFloat64Log10(Node* node) {
   VisitFloat64Ieee754Unop(node, kIeee754Float64Log10);
 }
 
 void InstructionSelector::VisitFloat64Sin(Node* node) {
   VisitFloat64Ieee754Unop(node, kIeee754Float64Sin);
 }
 
+void InstructionSelector::VisitFloat64Tan(Node* node) {
+  VisitFloat64Ieee754Unop(node, kIeee754Float64Tan);
+}
+
 void InstructionSelector::EmitTableSwitch(const SwitchInfo& sw,
                                           InstructionOperand& index_operand) {
   OperandGenerator g(this);
   size_t input_count = 2 + sw.value_range;
   auto* inputs = zone()->NewArray<InstructionOperand>(input_count);
   inputs[0] = index_operand;
   InstructionOperand default_operand = g.Label(sw.default_branch);
   std::fill(&inputs[1], &inputs[input_count], default_operand);
   for (size_t index = 0; index < sw.case_count; ++index) {
     size_t value = sw.case_values[index] - sw.min_value;
@@ skipping 601 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8