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* 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.
*
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package org.graalvm.compiler.core.test;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.test.GraalTest;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import jdk.vm.ci.meta.JavaKind;
public final class SubWordTestUtil implements Opcodes {
private SubWordTestUtil() {
}
static void convertToKind(MethodVisitor snippet, JavaKind kind) {
switch (kind) {
case Boolean:
snippet.visitInsn(ICONST_1);
snippet.visitInsn(IAND);
break;
case Byte:
snippet.visitInsn(I2B);
break;
case Short:
snippet.visitInsn(I2S);
break;
case Char:
snippet.visitInsn(I2C);
break;
default:
throw GraalError.shouldNotReachHere();
}
}
static void testEqual(MethodVisitor snippet) {
Label label = new Label();
snippet.visitJumpInsn(IF_ICMPNE, label);
snippet.visitInsn(ICONST_1);
snippet.visitInsn(IRETURN);
snippet.visitLabel(label);
snippet.visitInsn(ICONST_0);
snippet.visitInsn(IRETURN);
}
static void getUnsafe(MethodVisitor snippet) {
snippet.visitFieldInsn(GETSTATIC, GraalTest.class.getName().replace('.', '/'), "UNSAFE", "Lsun/misc/Unsafe;");
}
static String getUnsafePutMethodName(JavaKind kind) {
String name = kind.getJavaName();
return name.substring(0, 1).toUpperCase() + name.substring(1);
}
}