S390: [turbofan] Introduce integer multiplication with overflow.

src/compiler/s390/instruction-scheduler-s390.cc

 // 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.
 
 #include "src/compiler/instruction-scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 28 matching lines @@
     case kS390_AddPair:
     case kS390_AddFloat:
     case kS390_AddDouble:
     case kS390_Sub:
     case kS390_SubWithOverflow32:
     case kS390_SubPair:
     case kS390_MulPair:
     case kS390_SubFloat:
     case kS390_SubDouble:
     case kS390_Mul32:
+    case kS390_Mul32WithHigh32:
     case kS390_Mul64:
     case kS390_MulHigh32:
     case kS390_MulHighU32:
     case kS390_MulFloat:
     case kS390_MulDouble:
     case kS390_Div32:
     case kS390_Div64:
     case kS390_DivU32:
     case kS390_DivU64:
     case kS390_DivFloat:
@@ skipping 97 matching lines @@
 }
 
 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
   // TODO(all): Add instruction cost modeling.
   return 1;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8