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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.amd64/src/org/graalvm/compiler/replacements/amd64/AMD64StringUTF16Substitutions.java
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rev 52509 : [mq]: graal
*** 1,7 ****
/*
! * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 26,42 ****
import org.graalvm.compiler.api.replacements.ClassSubstitution;
import org.graalvm.compiler.api.replacements.Fold;
import org.graalvm.compiler.api.replacements.Fold.InjectedParameter;
import org.graalvm.compiler.api.replacements.MethodSubstitution;
! import org.graalvm.compiler.core.common.spi.ArrayOffsetProvider;
import org.graalvm.compiler.replacements.nodes.ArrayCompareToNode;
-
- import jdk.vm.ci.meta.JavaKind;
import org.graalvm.compiler.word.Word;
import jdk.internal.vm.compiler.word.Pointer;
// JaCoCo Exclude
/**
* Substitutions for {@code java.lang.StringUTF16} methods.
*
--- 26,45 ----
import org.graalvm.compiler.api.replacements.ClassSubstitution;
import org.graalvm.compiler.api.replacements.Fold;
import org.graalvm.compiler.api.replacements.Fold.InjectedParameter;
import org.graalvm.compiler.api.replacements.MethodSubstitution;
! import org.graalvm.compiler.nodes.DeoptimizeNode;
import org.graalvm.compiler.replacements.nodes.ArrayCompareToNode;
import org.graalvm.compiler.word.Word;
import jdk.internal.vm.compiler.word.Pointer;
+ import jdk.vm.ci.meta.DeoptimizationAction;
+ import jdk.vm.ci.meta.DeoptimizationReason;
+ import jdk.vm.ci.meta.JavaKind;
+ import jdk.vm.ci.meta.MetaAccessProvider;
+
// JaCoCo Exclude
/**
* Substitutions for {@code java.lang.StringUTF16} methods.
*
*** 44,64 ****
*/
@ClassSubstitution(className = "java.lang.StringUTF16", optional = true)
public class AMD64StringUTF16Substitutions {
@Fold
! static int byteArrayBaseOffset(@InjectedParameter ArrayOffsetProvider arrayOffsetProvider) {
! return arrayOffsetProvider.arrayBaseOffset(JavaKind.Byte);
}
@Fold
! static int charArrayIndexScale(@InjectedParameter ArrayOffsetProvider arrayOffsetProvider) {
! return arrayOffsetProvider.arrayScalingFactor(JavaKind.Char);
}
/** Marker value for the {@link InjectedParameter} injected parameter. */
! static final ArrayOffsetProvider INJECTED = null;
/**
* @param value is char[]
* @param other is char[]
*/
--- 47,77 ----
*/
@ClassSubstitution(className = "java.lang.StringUTF16", optional = true)
public class AMD64StringUTF16Substitutions {
@Fold
! static int byteArrayBaseOffset(@InjectedParameter MetaAccessProvider metaAccess) {
! return metaAccess.getArrayBaseOffset(JavaKind.Byte);
! }
!
! @Fold
! static int byteArrayIndexScale(@InjectedParameter MetaAccessProvider metaAccess) {
! return metaAccess.getArrayIndexScale(JavaKind.Byte);
}
@Fold
! static int charArrayBaseOffset(@InjectedParameter MetaAccessProvider metaAccess) {
! return metaAccess.getArrayBaseOffset(JavaKind.Char);
! }
!
! @Fold
! static int charArrayIndexScale(@InjectedParameter MetaAccessProvider metaAccess) {
! return metaAccess.getArrayIndexScale(JavaKind.Char);
}
/** Marker value for the {@link InjectedParameter} injected parameter. */
! static final MetaAccessProvider INJECTED = null;
/**
* @param value is char[]
* @param other is char[]
*/
*** 81,92 ****
}
@MethodSubstitution(optional = true)
public static int indexOfCharUnsafe(byte[] value, int ch, int fromIndex, int max) {
Pointer sourcePointer = Word.objectToTrackedPointer(value).add(byteArrayBaseOffset(INJECTED)).add(fromIndex * charArrayIndexScale(INJECTED));
! int result = AMD64ArrayIndexOfNode.optimizedArrayIndexOf(sourcePointer, max - fromIndex, (char) ch, JavaKind.Char);
if (result != -1) {
return result + fromIndex;
}
return result;
}
}
--- 94,148 ----
}
@MethodSubstitution(optional = true)
public static int indexOfCharUnsafe(byte[] value, int ch, int fromIndex, int max) {
Pointer sourcePointer = Word.objectToTrackedPointer(value).add(byteArrayBaseOffset(INJECTED)).add(fromIndex * charArrayIndexScale(INJECTED));
! int result = AMD64ArrayIndexOf.indexOf1Char(sourcePointer, max - fromIndex, (char) ch);
if (result != -1) {
return result + fromIndex;
}
return result;
}
+
+ /**
+ * Intrinsic for {@code java.lang.StringUTF16.compress([CI[BII)I}.
+ *
+ * <pre>
+ * @HotSpotIntrinsicCandidate
+ * public static int compress(char[] src, int src_indx, byte[] dst, int dst_indx, int len)
+ * </pre>
+ */
+ @MethodSubstitution
+ public static int compress(char[] src, int srcIndex, byte[] dest, int destIndex, int len) {
+ if (len < 0 || srcIndex < 0 || (srcIndex + len > src.length) || destIndex < 0 || (destIndex + len > dest.length)) {
+ DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.BoundsCheckException);
+ }
+
+ Pointer srcPointer = Word.objectToTrackedPointer(src).add(charArrayBaseOffset(INJECTED)).add(srcIndex * charArrayIndexScale(INJECTED));
+ Pointer destPointer = Word.objectToTrackedPointer(dest).add(byteArrayBaseOffset(INJECTED)).add(destIndex * byteArrayIndexScale(INJECTED));
+ return AMD64StringUTF16CompressNode.compress(srcPointer, destPointer, len, JavaKind.Char);
+ }
+
+ /**
+ * Intrinsic for {@code }java.lang.StringUTF16.compress([BI[BII)I}.
+ *
+ * <pre>
+ * @HotSpotIntrinsicCandidate
+ * public static int compress(byte[] src, int src_indx, byte[] dst, int dst_indx, int len)
+ * </pre>
+ *
+ * In this variant {@code dest} refers to a byte array containing 2 byte per char so
+ * {@code srcIndex} and {@code len} are in terms of char elements and have to be scaled by 2
+ * when referring to {@code src}.
+ */
+ @MethodSubstitution
+ public static int compress(byte[] src, int srcIndex, byte[] dest, int destIndex, int len) {
+ if (len < 0 || srcIndex < 0 || (srcIndex * 2 + len * 2 > src.length) || destIndex < 0 || (destIndex + len > dest.length)) {
+ DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.BoundsCheckException);
+ }
+
+ Pointer srcPointer = Word.objectToTrackedPointer(src).add(byteArrayBaseOffset(INJECTED)).add(srcIndex * 2 * byteArrayIndexScale(INJECTED));
+ Pointer destPointer = Word.objectToTrackedPointer(dest).add(byteArrayBaseOffset(INJECTED)).add(destIndex * byteArrayIndexScale(INJECTED));
+ return AMD64StringUTF16CompressNode.compress(srcPointer, destPointer, len, JavaKind.Byte);
+ }
+
}
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