--- /dev/null 2009-05-12 02:53:23.000000000 -0700 +++ new/test/compiler/6814842/Test6814842.java 2009-05-12 02:53:23.652514228 -0700 @@ -0,0 +1,104 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/** + * @test + * @bug 6814842 + * @summary Load shortening optimizations + * + * @run main/othervm -Xcomp -XX:CompileOnly=Test6814842.loadS2B,Test6814842.loadS2Bmask255,Test6814842.loadUS2B,Test6814842.loadUS2Bmask255,Test6814842.loadI2B,Test6814842.loadI2Bmask255,Test6814842.loadI2S,Test6814842.loadI2Smask255,Test6814842.loadI2Smask65535,Test6814842.loadI2US,Test6814842.loadI2USmask255,Test6814842.loadI2USmask65535 Test6814842 + */ + +public class Test6814842 { + static final short[] sa = new short[] { (short) 0xF1F2 }; + static final char[] ca = new char[] { (char) 0xF3F4 }; + static final int[] ia = new int[] { 0xF1F2F3F4 }; + + public static void main(String[] args) + { + byte s2b = loadS2B(sa); + if (s2b != (byte) 0xF2) + throw new InternalError("loadS2B failed: " + s2b + " != " + (byte) 0xF2); + + byte s2bmask255 = loadS2Bmask255(sa); + if (s2bmask255 != (byte) 0xF2) + throw new InternalError("loadS2Bmask255 failed: " + s2bmask255 + " != " + (byte) 0xF2); + + byte us2b = loadUS2B(ca); + if (us2b != (byte) 0xF4) + throw new InternalError("loadUS2B failed: " + us2b + " != " + (byte) 0xF4); + + byte us2bmask255 = loadUS2Bmask255(ca); + if (us2bmask255 != (byte) 0xF4) + throw new InternalError("loadUS2Bmask255 failed: " + us2bmask255 + " != " + (byte) 0xF4); + + byte i2b = loadI2B(ia); + if (i2b != (byte) 0xF4) + throw new InternalError("loadI2B failed: " + i2b + " != " + (byte) 0xF4); + + byte i2bmask255 = loadI2Bmask255(ia); + if (i2bmask255 != (byte) 0xF4) + throw new InternalError("loadI2Bmask255 failed: " + i2bmask255 + " != " + (byte) 0xF4); + + short i2s = loadI2S(ia); + if (i2s != (short) 0xF3F4) + throw new InternalError("loadI2S failed: " + i2s + " != " + (short) 0xF3F4); + + short i2smask255 = loadI2Smask255(ia); + if (i2smask255 != (short) 0xF4) + throw new InternalError("loadI2Smask255 failed: " + i2smask255 + " != " + (short) 0xF4); + + short i2smask65535 = loadI2Smask65535(ia); + if (i2smask65535 != (short) 0xF3F4) + throw new InternalError("loadI2Smask65535 failed: " + i2smask65535 + " != " + (short) 0xF3F4); + + char i2us = loadI2US(ia); + if (i2us != (char) 0xF3F4) + throw new InternalError("loadI2US failed: " + (int) i2us + " != " + (char) 0xF3F4); + + char i2usmask255 = loadI2USmask255(ia); + if (i2usmask255 != (char) 0xF4) + throw new InternalError("loadI2USmask255 failed: " + (int) i2usmask255 + " != " + (char) 0xF4); + + char i2usmask65535 = loadI2USmask65535(ia); + if (i2usmask65535 != (char) 0xF3F4) + throw new InternalError("loadI2USmask65535 failed: " + (int) i2usmask65535 + " != " + (char) 0xF3F4); + } + + static byte loadS2B (short[] sa) { return (byte) (sa[0] ); } + static byte loadS2Bmask255 (short[] sa) { return (byte) (sa[0] & 0xFF ); } + + static byte loadUS2B (char[] ca) { return (byte) (ca[0] ); } + static byte loadUS2Bmask255 (char[] ca) { return (byte) (ca[0] & 0xFF ); } + + static byte loadI2B (int[] ia) { return (byte) (ia[0] ); } + static byte loadI2Bmask255 (int[] ia) { return (byte) (ia[0] & 0xFF ); } + + static short loadI2S (int[] ia) { return (short) (ia[0] ); } + static short loadI2Smask255 (int[] ia) { return (short) (ia[0] & 0xFF ); } + static short loadI2Smask65535 (int[] ia) { return (short) (ia[0] & 0xFFFF); } + + static char loadI2US (int[] ia) { return (char) (ia[0] ); } + static char loadI2USmask255 (int[] ia) { return (char) (ia[0] & 0xFF ); } + static char loadI2USmask65535(int[] ia) { return (char) (ia[0] & 0xFFFF); } +}