changeset 13666:e70abc187ff3

method substitution for {Character,Short}.reverseBytes()
author Bernhard Urban <bernhard.urban@jku.at>
date Fri, 17 Jan 2014 11:24:04 +0200
parents 8d99131c8940
children 076e233aec3f
files graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/jdk/CharacterBits.java graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/jdk/ShortBits.java graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/CharacterSubstitutions.java graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/GraalMethodSubstitutions.java graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ShortSubstitutions.java
diffstat 5 files changed, 182 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/jdk/CharacterBits.java	Fri Jan 17 11:24:04 2014 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2014, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.jtt.jdk;
+
+import com.oracle.graal.jtt.*;
+import org.junit.*;
+
+public class CharacterBits extends JTTTest {
+    @SuppressWarnings("unused") private static char init = Character.reverseBytes((char) 42);
+    private static char original = 0x1708;
+
+    public static char test(char o) {
+        return Character.reverseBytes(o);
+    }
+
+    @Test
+    public void run0() {
+        runTest("test", original);
+    }
+
+    @Test
+    public void run1() {
+        runTest("test", (char) 0x1708L);
+    }
+
+    @Test
+    public void run2() {
+        runTest("test", (char) 0);
+        runTest("test", (char) 1);
+        runTest("test", (char) -1);
+        runTest("test", (char) 0x00ff);
+        runTest("test", (char) 0xff00);
+        runTest("test", (char) 0xffff);
+        runTest("test", (char) 0x3fff);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/jdk/ShortBits.java	Fri Jan 17 11:24:04 2014 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2014, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.jtt.jdk;
+
+import com.oracle.graal.jtt.*;
+import org.junit.*;
+
+public class ShortBits extends JTTTest {
+    @SuppressWarnings("unused") private static short init = Short.reverseBytes((short) 42);
+    private static short original = 0x1708;
+
+    public static short test(short o) {
+        return Short.reverseBytes(o);
+    }
+
+    @Test
+    public void run0() {
+        runTest("test", original);
+    }
+
+    @Test
+    public void run1() {
+        runTest("test", (short) 0x1708L);
+    }
+
+    @Test
+    public void run2() {
+        runTest("test", (short) 0);
+        runTest("test", (short) 1);
+        runTest("test", (short) -1);
+        runTest("test", (short) 0x00ff);
+        runTest("test", (short) 0xff00);
+        runTest("test", (short) 0xffff);
+        runTest("test", (short) 0x3fff);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/CharacterSubstitutions.java	Fri Jan 17 11:24:04 2014 +0200
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2014, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.replacements;
+
+import com.oracle.graal.api.replacements.*;
+import com.oracle.graal.replacements.nodes.*;
+
+@ClassSubstitution(Character.class)
+public class CharacterSubstitutions {
+    @MethodSubstitution
+    public static char reverseBytes(char i) {
+        return (char) (ReverseBytesNode.reverse(i) >> 16);
+    }
+}
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/GraalMethodSubstitutions.java	Thu Jan 16 20:52:12 2014 -0800
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/GraalMethodSubstitutions.java	Fri Jan 17 11:24:04 2014 +0200
@@ -47,6 +47,8 @@
             replacements.registerSubstitutions(FloatSubstitutions.class);
             replacements.registerSubstitutions(LongSubstitutions.class);
             replacements.registerSubstitutions(IntegerSubstitutions.class);
+            replacements.registerSubstitutions(CharacterSubstitutions.class);
+            replacements.registerSubstitutions(ShortSubstitutions.class);
             replacements.registerSubstitutions(UnsignedMathSubstitutions.class);
             replacements.registerSubstitutions(NodeClassSubstitutions.class);
             replacements.registerSubstitutions(CompositeValueClassSubstitutions.class);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ShortSubstitutions.java	Fri Jan 17 11:24:04 2014 +0200
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2014, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.replacements;
+
+import com.oracle.graal.api.replacements.*;
+import com.oracle.graal.replacements.nodes.*;
+
+@ClassSubstitution(Short.class)
+public class ShortSubstitutions {
+    @MethodSubstitution
+    public static short reverseBytes(short i) {
+        return (short) (ReverseBytesNode.reverse(i) >> 16);
+    }
+}