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/*
* Copyright (c) 2019, 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 8214239
* @summary Missing x86_64.ad patterns for clearing and setting long vector bits
*
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
* -XX:-TieredCompilation -XX:CompileThreshold=1000
* -XX:CompileCommand=print,compiler/c2/TestBitSetAndReset.test*
* -XX:CompileCommand=compileonly,compiler/c2/TestBitSetAndReset.test*
* -XX:CompileCommand=dontinline,compiler/c2/TestBitSetAndReset.test*
* compiler.c2.TestBitSetAndReset
*/
package compiler.c2;
public class TestBitSetAndReset {
private static final int COUNT = 10_000;
private static final long MASK63 = 0x8000_0000_0000_0000L;
private static final long MASK32 = 0x0000_0001_0000_0000L;
private static final long MASK31 = 0x0000_0000_8000_0000L;
private static final long MASK15 = 0x0000_0000_0000_8000L;
private static final long MASK00 = 0x0000_0000_0000_0001L;
private static long andq, orq;
public static void main(String... args) {
boolean success = true;
for (int i=0; i<COUNT; i++) {
andq = MASK63 | MASK31 | MASK15 | MASK00;
orq = 0;
test63();
test32();
test31();
test15();
test00();
success &= andq == 0 && orq == (MASK63 | MASK32 | MASK31 | MASK15 | MASK00);
}
if (!success)
throw new AssertionError("Failure while setting or clearing long vector bits!");
}
private static void test63() {
andq &= ~MASK63;
orq |= MASK63;
}
private static void test32() {
andq &= ~MASK32;
orq |= MASK32;
}
private static void test31() {
andq &= ~MASK31;
orq |= MASK31;
}
private static void test15() {
andq &= ~MASK15;
orq |= MASK15;
}
private static void test00() {
andq &= ~MASK00;
orq |= MASK00;
}
}
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