659         throw GraalError.shouldNotReachHere("BenchmarkCounters are not enabled!");
 660     }
 661 
 662     @Override
 663     public LIRInstruction createMultiBenchmarkCounter(String[] names, String[] groups, Value[] increments) {
 664         if (BenchmarkCounters.enabled) {
 665             return new AMD64HotSpotCounterOp(names, groups, increments, getProviders().getRegisters(), config, getOrInitRescueSlot());
 666         }
 667         throw GraalError.shouldNotReachHere("BenchmarkCounters are not enabled!");
 668     }
 669 
 670     @Override
 671     public void emitPrefetchAllocate(Value address) {
 672         append(new AMD64PrefetchOp(asAddressValue(address), config.allocatePrefetchInstr));
 673     }
 674 
 675     @Override
 676     protected StrategySwitchOp createStrategySwitchOp(SwitchStrategy strategy, LabelRef[] keyTargets, LabelRef defaultTarget, Variable key, AllocatableValue temp) {
 677         return new AMD64HotSpotStrategySwitchOp(strategy, keyTargets, defaultTarget, key, temp);
 678     }
 679 
 680     @Override
 681     public ForeignCallLinkage lookupArrayEqualsStub(JavaKind kind, int constantLength) {
 682         if (constantLength >= 0 && constantLength * kind.getByteCount() < 2 * getMaxVectorSize()) {
 683             // Yield constant-length arrays comparison assembly
 684             return null;
 685         }
 686         switch (kind) {
 687             case Boolean:
 688                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_BOOLEAN_ARRAY_EQUALS);
 689             case Byte:
 690                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_BYTE_ARRAY_EQUALS);
 691             case Char:
 692                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_CHAR_ARRAY_EQUALS);
 693             case Short:
 694                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_SHORT_ARRAY_EQUALS);
 695             case Int:
 696                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_INT_ARRAY_EQUALS);
 697             case Long:
 698                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_LONG_ARRAY_EQUALS);
 699             case Float:
 700                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_FLOAT_ARRAY_EQUALS);
 701             case Double:
 702                 return getForeignCalls().lookupForeignCall(AMD64ArrayEqualsStub.STUB_DOUBLE_ARRAY_EQUALS);
 703             default:
 704                 return null;
 705         }
 706     }
 707 }

 659         throw GraalError.shouldNotReachHere("BenchmarkCounters are not enabled!");
 660     }
 661 
 662     @Override
 663     public LIRInstruction createMultiBenchmarkCounter(String[] names, String[] groups, Value[] increments) {
 664         if (BenchmarkCounters.enabled) {
 665             return new AMD64HotSpotCounterOp(names, groups, increments, getProviders().getRegisters(), config, getOrInitRescueSlot());
 666         }
 667         throw GraalError.shouldNotReachHere("BenchmarkCounters are not enabled!");
 668     }
 669 
 670     @Override
 671     public void emitPrefetchAllocate(Value address) {
 672         append(new AMD64PrefetchOp(asAddressValue(address), config.allocatePrefetchInstr));
 673     }
 674 
 675     @Override
 676     protected StrategySwitchOp createStrategySwitchOp(SwitchStrategy strategy, LabelRef[] keyTargets, LabelRef defaultTarget, Variable key, AllocatableValue temp) {
 677         return new AMD64HotSpotStrategySwitchOp(strategy, keyTargets, defaultTarget, key, temp);
 678     }




























 679 }