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/*
* Copyright (c) 2014, 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 8031321
* @summary Verify that results of computations are the same w/
* and w/o usage of ANDN instruction
* @library /testlibrary /testlibrary/whitebox
* @build TestAndnL BMITestRunner Expr
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI TestAndnL
*/
import sun.hotspot.cpuinfo.CPUInfo;
public class TestAndnL {
public static void main(String args[]) throws Throwable {
if (!CPUInfo.hasFeature("bmi1")) {
System.out.println("CPU does not support bmi1 feature. " +
"Test skipped.");
return;
}
BMITestRunner.runTests(AndnLExpr.class, args,
"-XX:+UseBMI1Instructions");
BMITestRunner.runTests(AndnLCommutativeExpr.class, args,
"-XX:+UseBMI1Instructions");
}
public static class AndnLExpr extends Expr.BMIBinaryLongExpr {
public long longExpr(long src1, long src2) {
return ~src1 & src2;
}
public long longExpr(long src1, Expr.MemL src2) {
return ~src1 & src2.value;
}
public long longExpr(Expr.MemL src1, long src2) {
return ~src1.value & src2;
}
public long longExpr(Expr.MemL src1, Expr.MemL src2) {
return ~src1.value & src2.value;
}
}
public static class AndnLCommutativeExpr extends Expr.BMIBinaryLongExpr {
public long longExpr(long src1, long src2) {
return src1 & ~src2;
}
public long longExpr(long src1, Expr.MemL src2) {
return src1 & ~src2.value;
}
public long longExpr(Expr.MemL src1, long src2) {
return src1.value & ~src2;
}
public long longExpr(Expr.MemL src1, Expr.MemL src2) {
return src1.value & ~src2.value;
}
}
}
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