[turbofan] introduce Int32/64AbsWithOverflow optional operator

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 {
 
 bool InstructionScheduler::SchedulerSupported() { return true; }
 
 int InstructionScheduler::GetTargetInstructionFlags(
     const Instruction* instr) const {
   switch (instr->arch_opcode()) {
+    case kS390_Abs32:
+    case kS390_Abs64:
     case kS390_And32:
     case kS390_And64:
     case kS390_Or32:
     case kS390_Or64:
     case kS390_Xor32:
     case kS390_Xor64:
     case kS390_ShiftLeft32:
     case kS390_ShiftLeft64:
     case kS390_ShiftLeftPair:
     case kS390_ShiftRight32:
@@ skipping 150 matching lines @@
 }
 
 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
   // TODO(all): Add instruction cost modeling.
   return 1;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8