1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.core.test; 26 27 import org.graalvm.compiler.debug.GraalError; 28 import org.graalvm.compiler.test.GraalTest; 29 import org.objectweb.asm.Label; 30 import org.objectweb.asm.MethodVisitor; 31 import org.objectweb.asm.Opcodes; 32 33 import jdk.vm.ci.meta.JavaKind; 34 35 public final class SubWordTestUtil implements Opcodes { 36 SubWordTestUtil()37 private SubWordTestUtil() { 38 } 39 convertToKind(MethodVisitor snippet, JavaKind kind)40 static void convertToKind(MethodVisitor snippet, JavaKind kind) { 41 switch (kind) { 42 case Boolean: 43 snippet.visitInsn(ICONST_1); 44 snippet.visitInsn(IAND); 45 break; 46 case Byte: 47 snippet.visitInsn(I2B); 48 break; 49 case Short: 50 snippet.visitInsn(I2S); 51 break; 52 case Char: 53 snippet.visitInsn(I2C); 54 break; 55 default: 56 throw GraalError.shouldNotReachHere(); 57 } 58 } 59 testEqual(MethodVisitor snippet)60 static void testEqual(MethodVisitor snippet) { 61 Label label = new Label(); 62 snippet.visitJumpInsn(IF_ICMPNE, label); 63 snippet.visitInsn(ICONST_1); 64 snippet.visitInsn(IRETURN); 65 snippet.visitLabel(label); 66 snippet.visitInsn(ICONST_0); 67 snippet.visitInsn(IRETURN); 68 } 69 getUnsafe(MethodVisitor snippet)70 static void getUnsafe(MethodVisitor snippet) { 71 snippet.visitFieldInsn(GETSTATIC, GraalTest.class.getName().replace('.', '/'), "UNSAFE", "Lsun/misc/Unsafe;"); 72 } 73 getUnsafePutMethodName(JavaKind kind)74 static String getUnsafePutMethodName(JavaKind kind) { 75 String name = kind.getJavaName(); 76 return name.substring(0, 1).toUpperCase() + name.substring(1); 77 } 78 79 } 80