MIPS: Fix FPU min, max, mina, maxa in simulator.

src/mips/simulator-mips.h

 // Copyright 2011 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.
 
 
 // Declares a Simulator for MIPS instructions if we are not generating a native
 // MIPS binary. This Simulator allows us to run and debug MIPS code generation
 // on regular desktop machines.
 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro,
 // which will start execution in the Simulator or forwards to the real entry
@@ skipping 282 matching lines @@
   EmbeddedVector<char, 128> trace_buf_;
 
   // Operations depending on endianness.
   // Get Double Higher / Lower word.
   inline int32_t GetDoubleHIW(double* addr);
   inline int32_t GetDoubleLOW(double* addr);
   // Set Double Higher / Lower word.
   inline int32_t SetDoubleHIW(double* addr);
   inline int32_t SetDoubleLOW(double* addr);
 
+  // Min/Max template functions for Double and Single arguments.
+  enum class IsMin : int { kMin = 0, kMax = 1 };
+
+  template <typename T>
+  bool FPUProcessNaNsAndZeros(T a, T b, IsMin min, T& result);
+
+  template <typename T>
+  T FPUMin(T a, T b);
+
+  template <typename T>
+  T FPUMax(T a, T b);
+
+  template <typename T>
+  T FPUMinA(T a, T b);
+
+  template <typename T>
+  T FPUMaxA(T a, T b);
+
   // Executing is handled based on the instruction type.
   void DecodeTypeRegister(Instruction* instr);
 
   // Functions called from DecodeTypeRegister.
   void DecodeTypeRegisterCOP1();
 
   void DecodeTypeRegisterCOP1X();
 
   void DecodeTypeRegisterSPECIAL();
 
@@ skipping 192 matching lines @@
   static inline void UnregisterCTryCatch(Isolate* isolate) {
     Simulator::current(isolate)->PopAddress();
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_MIPS_SIMULATOR_MIPS_H_