s390: use new mul instruction

src/s390/macro-assembler-s390.h

 // 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.
 
 #ifndef V8_S390_MACRO_ASSEMBLER_S390_H_
 #define V8_S390_MACRO_ASSEMBLER_S390_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 318 matching lines @@
   void MulHighU32(Register dst, Register src1, Register src2);
   void MulHighU32(Register dst, Register src1, const Operand& src2);
   void Mul32WithOverflowIfCCUnequal(Register dst, Register src1,
                                     const MemOperand& src2);
   void Mul32WithOverflowIfCCUnequal(Register dst, Register src1, Register src2);
   void Mul32WithOverflowIfCCUnequal(Register dst, Register src1,
                                     const Operand& src2);
   void Mul64(Register dst, const MemOperand& src1);
   void Mul64(Register dst, Register src1);
   void Mul64(Register dst, const Operand& src1);
+  void MulPWithCondition(Register dst, Register src1, Register src2);
 
   // Divide
   void DivP(Register dividend, Register divider);
   void Div32(Register dst, Register src1, const MemOperand& src2);
   void Div32(Register dst, Register src1, Register src2);
   void Div32(Register dst, Register src1, const Operand& src2);
   void DivU32(Register dst, Register src1, const MemOperand& src2);
   void DivU32(Register dst, Register src1, Register src2);
   void DivU32(Register dst, Register src1, const Operand& src2);
 
@@ skipping 1500 matching lines @@
 inline MemOperand NativeContextMemOperand() {
   return ContextMemOperand(cp, Context::NATIVE_CONTEXT_INDEX);
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_MACRO_ASSEMBLER_S390_H_