[builtins] Make Math.ceil, Math.trunc and Math.round optimizable.

src/compiler/code-stub-assembler.h

 // Copyright 2015 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_COMPILER_CODE_STUB_ASSEMBLER_H_
 #define V8_COMPILER_CODE_STUB_ASSEMBLER_H_
 
 #include <map>
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
@@ skipping 79 matching lines @@
   V(Word32Sar)                                  \
   V(Word32Ror)                                  \
   V(Word64Or)                                   \
   V(Word64And)                                  \
   V(Word64Xor)                                  \
   V(Word64Shr)                                  \
   V(Word64Sar)                                  \
   V(Word64Ror)
 
 #define CODE_STUB_ASSEMBLER_UNARY_OP_LIST(V) \
+  V(Float64Neg)                              \
   V(Float64Sqrt)                             \
   V(ChangeFloat64ToUint32)                   \
   V(ChangeInt32ToFloat64)                    \
   V(ChangeInt32ToInt64)                      \
   V(ChangeUint32ToFloat64)                   \
   V(ChangeUint32ToUint64)
 
 class CodeStubAssembler {
  public:
   // Create with CallStub linkage.
@@ skipping 51 matching lines @@
   Node* BooleanMapConstant();
   Node* HeapNumberMapConstant();
   Node* NullConstant();
   Node* UndefinedConstant();
 
   Node* Parameter(int value);
   void Return(Node* value);
 
   void Bind(Label* label);
   void Goto(Label* label);
+  void GotoIf(Node* condition, Label* true_label);
+  void GotoUnless(Node* condition, Label* false_label);
   void Branch(Node* condition, Label* true_label, Label* false_label);
 
   void Switch(Node* index, Label* default_label, int32_t* case_values,
               Label** case_labels, size_t case_count);
 
   // Access to the frame pointer
   Node* LoadFramePointer();
   Node* LoadParentFramePointer();
 
   // Access to the stack pointer
@@ skipping 72 matching lines @@
                      size_t result_size = 1);
 
   Node* TailCall(const CallInterfaceDescriptor& descriptor, Node* target,
                  Node** args, size_t result_size = 1);
 
   // ===========================================================================
   // Macros
   // ===========================================================================
 
   // Float64 operations.
+  Node* Float64Ceil(Node* x);
   Node* Float64Floor(Node* x);
+  Node* Float64Round(Node* x);
+  Node* Float64Trunc(Node* x);
 
   // Tag a Word as a Smi value.
   Node* SmiTag(Node* value);
   // Untag a Smi value as a Word.
   Node* SmiUntag(Node* value);
 
   // Smi conversions.
   Node* SmiToFloat64(Node* value);
   Node* SmiToWord32(Node* value);
 
@@ skipping 169 matching lines @@
   // Map of variables to the list of value nodes that have been added from each
   // merge path in their order of merging.
   std::map<Variable::Impl*, std::vector<Node*>> variable_merges_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_STUB_ASSEMBLER_H_