author | trims |
Thu, 27 May 2010 19:08:38 -0700 | |
changeset 5547 | f4b087cbb361 |
parent 2255 | 54abdf3e1055 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/** |
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* @test |
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* @bug 6378821 |
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* @summary where available, bitCount() should use POPC on SPARC processors and AMD+10h |
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* |
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* @run main/othervm -Xcomp -XX:CompileOnly=Test6378821.fcomp Test6378821 |
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*/ |
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|
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public class Test6378821 { |
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static final int[] ia = new int[] { 0x12345678 }; |
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static final long[] la = new long[] { 0x12345678abcdefL }; |
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public static void main(String [] args) { |
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// Resolve the class and the method. |
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Integer.bitCount(1); |
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Long.bitCount(1); |
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sub(ia[0]); |
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sub(la[0]); |
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sub(ia); |
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sub(la); |
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} |
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static void check(int i, int expected, int result) { |
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if (result != expected) { |
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throw new InternalError("Wrong population count for " + i + ": " + result + " != " + expected); |
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} |
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} |
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static void check(long l, int expected, int result) { |
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if (result != expected) { |
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throw new InternalError("Wrong population count for " + l + ": " + result + " != " + expected); |
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} |
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} |
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static void sub(int i) { check(i, fint(i), fcomp(i) ); } |
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static void sub(int[] ia) { check(ia[0], fint(ia), fcomp(ia)); } |
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static void sub(long l) { check(l, fint(l), fcomp(l) ); } |
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static void sub(long[] la) { check(la[0], fint(la), fcomp(la)); } |
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static int fint (int i) { return Integer.bitCount(i); } |
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static int fcomp(int i) { return Integer.bitCount(i); } |
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static int fint (int[] ia) { return Integer.bitCount(ia[0]); } |
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static int fcomp(int[] ia) { return Integer.bitCount(ia[0]); } |
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static int fint (long l) { return Long.bitCount(l); } |
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static int fcomp(long l) { return Long.bitCount(l); } |
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static int fint (long[] la) { return Long.bitCount(la[0]); } |
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static int fcomp(long[] la) { return Long.bitCount(la[0]); } |
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} |