src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/stubs/NewArrayStub.java
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*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/stubs/NewArrayStub.java	Mon Mar 20 17:39:07 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/stubs/NewArrayStub.java	Mon Mar 20 17:39:07 2017

*** 29,39 **** --- 29,39 ---- import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperElementTypeShift; import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperHeaderSizeMask; import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperHeaderSizeShift; import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperLog2ElementSizeMask; import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.layoutHelperLog2ElementSizeShift; ! import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.loadKlassLayoutHelperIntrinsic; ! import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.readLayoutHelper; import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.registerAsWord; import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.wordSize; import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH; import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.formatArray; import static org.graalvm.compiler.hotspot.stubs.NewInstanceStub.refillAllocate;
*** 55,64 **** --- 55,65 ---- import org.graalvm.compiler.hotspot.nodes.StubForeignCallNode; import org.graalvm.compiler.hotspot.nodes.type.KlassPointerStamp; import org.graalvm.compiler.hotspot.replacements.NewObjectSnippets; import org.graalvm.compiler.hotspot.word.KlassPointer; import org.graalvm.compiler.nodes.ConstantNode; + import org.graalvm.compiler.options.OptionValues; import org.graalvm.compiler.word.Word; import jdk.vm.ci.code.Register; import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
*** 68,96 **** --- 69,99 ---- * If this stub fails to refill the TLAB or allocate the object, it calls out to the HotSpot C++ * runtime to complete the allocation. */ public class NewArrayStub extends SnippetStub { ! public NewArrayStub(OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { ! super("newArray", options, providers, linkage); } @Override protected Object[] makeConstArgs() { HotSpotResolvedObjectType intArrayType = (HotSpotResolvedObjectType) providers.getMetaAccess().lookupJavaType(int[].class); int count = method.getSignature().getParameterCount(false); Object[] args = new Object[count]; assert checkConstArg(3, "intArrayHub"); assert checkConstArg(4, "threadRegister"); + assert checkConstArg(5, "options"); args[3] = ConstantNode.forConstant(KlassPointerStamp.klassNonNull(), intArrayType.klass(), null); args[4] = providers.getRegisters().getThreadRegister(); + args[5] = options; return args; } @Fold ! static boolean logging(OptionValues options) { ! return StubOptions.TraceNewArrayStub.getValue(options); } /** * Re-attempts allocation after an initial TLAB allocation failed or was skipped (e.g., due to * -XX:-UseTLAB).
*** 99,135 **** --- 102,139 ---- * @param length the length of the array * @param fillContents Should the array be filled with zeroes? * @param intArrayHub the hub for {@code int[].class} */ @Snippet ! private static Object newArray(KlassPointer hub, int length, boolean fillContents, @ConstantParameter KlassPointer intArrayHub, @ConstantParameter Register threadRegister) { int layoutHelper = loadKlassLayoutHelperIntrinsic(hub); ! private static Object newArray(KlassPointer hub, int length, boolean fillContents, @ConstantParameter KlassPointer intArrayHub, @ConstantParameter Register threadRegister, + @ConstantParameter OptionValues options) { + int layoutHelper = readLayoutHelper(hub); int log2ElementSize = (layoutHelper >> layoutHelperLog2ElementSizeShift(INJECTED_VMCONFIG)) & layoutHelperLog2ElementSizeMask(INJECTED_VMCONFIG); int headerSize = (layoutHelper >> layoutHelperHeaderSizeShift(INJECTED_VMCONFIG)) & layoutHelperHeaderSizeMask(INJECTED_VMCONFIG); int elementKind = (layoutHelper >> layoutHelperElementTypeShift(INJECTED_VMCONFIG)) & layoutHelperElementTypeMask(INJECTED_VMCONFIG); int sizeInBytes = computeArrayAllocationSize(length, wordSize(), headerSize, log2ElementSize); ! if (logging(options)) { printf("newArray: element kind %d\n", elementKind); printf("newArray: array length %d\n", length); printf("newArray: array size %d\n", sizeInBytes); printf("newArray: hub=%p\n", hub.asWord().rawValue()); } // check that array length is small enough for fast path. Word thread = registerAsWord(threadRegister); boolean inlineContiguousAllocationSupported = GraalHotSpotVMConfigNode.inlineContiguousAllocationSupported(); if (inlineContiguousAllocationSupported && length >= 0 && length <= MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH) { ! Word memory = refillAllocate(thread, intArrayHub, sizeInBytes, logging(options)); if (memory.notEqual(0)) { ! if (logging(options)) { printf("newArray: allocated new array at %p\n", memory.rawValue()); } return verifyObject( ! formatArray(hub, sizeInBytes, length, headerSize, memory, Word.unsigned(arrayPrototypeMarkWord(INJECTED_VMCONFIG)), fillContents, false, false)); ! formatArray(hub, sizeInBytes, length, headerSize, memory, Word.unsigned(arrayPrototypeMarkWord(INJECTED_VMCONFIG)), fillContents, false, null)); } } ! if (logging(options)) { printf("newArray: calling new_array_c\n"); } newArrayC(NEW_ARRAY_C, thread, hub, length); handlePendingException(thread, true);

src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/stubs/NewArrayStub.java
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