| /* |
| * Copyright (c) 2009, 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. |
| */ |
| |
| /** |
| * @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); } |
| } |