[regexp] Move RegExp.prototype[@@search] to TF

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 560 matching lines @@
   compiler::Node* GrowElementsCapacity(
       compiler::Node* object, compiler::Node* elements, ElementsKind from_kind,
       ElementsKind to_kind, compiler::Node* capacity,
       compiler::Node* new_capacity, ParameterMode mode, Label* bailout);
 
   // Allocation site manipulation
   void InitializeAllocationMemento(compiler::Node* base_allocation,
                                    int base_allocation_size,
                                    compiler::Node* allocation_site);
 
+  compiler::Node* TryTaggedToFloat64(compiler::Node* value,
+                                     Label* if_valueisnotnumber);
   compiler::Node* TruncateTaggedToFloat64(compiler::Node* context,
                                           compiler::Node* value);
   compiler::Node* TruncateTaggedToWord32(compiler::Node* context,
                                          compiler::Node* value);
   // Truncate the floating point value of a HeapNumber to an Int32.
   compiler::Node* TruncateHeapNumberValueToWord32(compiler::Node* object);
 
   // Conversions.
   compiler::Node* ChangeFloat64ToTagged(compiler::Node* value);
   compiler::Node* ChangeInt32ToTagged(compiler::Node* value);
@@ skipping 506 matching lines @@
                                 Label* if_false);
 
   enum ResultMode { kDontNegateResult, kNegateResult };
 
   compiler::Node* Equal(ResultMode mode, compiler::Node* lhs,
                         compiler::Node* rhs, compiler::Node* context);
 
   compiler::Node* StrictEqual(ResultMode mode, compiler::Node* lhs,
                               compiler::Node* rhs, compiler::Node* context);
 
+  // ECMA#sec-samevalue
+  // Similar to StrictEqual except that NaNs are treated as equal and minus zero
+  // differs from positive zero.
+  // Unlike Equal and StrictEqual, returns a value suitable for use in Branch
+  // instructions, e.g. Branch(SameValue(...), &label).
+  compiler::Node* SameValue(compiler::Node* lhs, compiler::Node* rhs,
+                            compiler::Node* context);
+
   compiler::Node* HasProperty(
       compiler::Node* object, compiler::Node* key, compiler::Node* context,
       Runtime::FunctionId fallback_runtime_function_id = Runtime::kHasProperty);
   compiler::Node* ForInFilter(compiler::Node* key, compiler::Node* object,
                               compiler::Node* context);
 
   compiler::Node* Typeof(compiler::Node* value, compiler::Node* context);
 
   compiler::Node* InstanceOf(compiler::Node* object, compiler::Node* callable,
                              compiler::Node* context);
@@ skipping 184 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_