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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.amd64/src/org/graalvm/compiler/replacements/amd64/AMD64StringLatin1Substitutions.java
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rev 52509 : [mq]: graal
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * 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.
@@ -22,20 +22,24 @@
*/
package org.graalvm.compiler.replacements.amd64;
-import jdk.vm.ci.meta.JavaKind;
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.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.StringLatin1} methods.
*
@@ -43,16 +47,31 @@
*/
@ClassSubstitution(className = "java.lang.StringLatin1", optional = true)
public class AMD64StringLatin1Substitutions {
@Fold
- static int byteArrayBaseOffset(@InjectedParameter ArrayOffsetProvider arrayOffsetProvider) {
- return arrayOffsetProvider.arrayBaseOffset(JavaKind.Byte);
+ 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 ArrayOffsetProvider INJECTED = null;
+ static final MetaAccessProvider INJECTED = null;
/**
* @param value is byte[]
* @param other is byte[]
*/
@@ -83,12 +102,57 @@
} else if (fromIndex >= length) {
// Note: fromIndex might be near -1>>>1.
return -1;
}
Pointer sourcePointer = Word.objectToTrackedPointer(value).add(byteArrayBaseOffset(INJECTED)).add(fromIndex);
- int result = AMD64ArrayIndexOfNode.optimizedArrayIndexOf(sourcePointer, length - fromIndex, (char) ch, JavaKind.Byte);
+ int result = AMD64ArrayIndexOf.indexOf1Byte(sourcePointer, length - fromIndex, (byte) ch);
if (result != -1) {
return result + fromIndex;
}
return result;
}
+
+ /**
+ * Intrinsic for {@code java.lang.StringLatin1.inflate([BI[CII)V}.
+ *
+ * <pre>
+ * @HotSpotIntrinsicCandidate
+ * public static void inflate(byte[] src, int src_indx, char[] dst, int dst_indx, int len)
+ * </pre>
+ */
+ @MethodSubstitution
+ public static void inflate(byte[] src, int srcIndex, char[] 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);
+ }
+
+ // Offset calc. outside of the actual intrinsic.
+ Pointer srcPointer = Word.objectToTrackedPointer(src).add(byteArrayBaseOffset(INJECTED)).add(srcIndex * byteArrayIndexScale(INJECTED));
+ Pointer destPointer = Word.objectToTrackedPointer(dest).add(charArrayBaseOffset(INJECTED)).add(destIndex * charArrayIndexScale(INJECTED));
+ AMD64StringLatin1InflateNode.inflate(srcPointer, destPointer, len, JavaKind.Char);
+ }
+
+ /**
+ * Intrinsic for {@code }java.lang.StringLatin1.inflate([BI[BII)V}.
+ *
+ * <pre>
+ * @HotSpotIntrinsicCandidate
+ * public static void inflate(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 destIndex} and {@code len} are in terms of char elements and have to be scaled by 2
+ * when referring to {@code dest}
+ */
+ @MethodSubstitution
+ public static void inflate(byte[] src, int srcIndex, byte[] dest, int destIndex, int len) {
+ if (len < 0 || srcIndex < 0 || (srcIndex + len > src.length) || destIndex < 0 || (destIndex * 2 + len * 2 > dest.length)) {
+ DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.BoundsCheckException);
+ }
+
+ // Offset calc. outside of the actual intrinsic.
+ Pointer srcPointer = Word.objectToTrackedPointer(src).add(byteArrayBaseOffset(INJECTED)).add(srcIndex * byteArrayIndexScale(INJECTED));
+ Pointer destPointer = Word.objectToTrackedPointer(dest).add(byteArrayBaseOffset(INJECTED)).add(destIndex * 2 * byteArrayIndexScale(INJECTED));
+ AMD64StringLatin1InflateNode.inflate(srcPointer, destPointer, len, JavaKind.Byte);
+ }
+
}
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