Mercurial > hg > truffle
view test/compiler/6579789/Test6579789.java @ 13000:209aa13ab8c0
8024927: Nashorn performance regression with CompressedOops
Summary: Allocate compressed class space at end of Java heap. For small heap sizes, without CDS, save some space so compressed classes can have the same favorable compression as oops
Reviewed-by: stefank, hseigel, goetz
author | coleenp |
---|---|
date | Fri, 25 Oct 2013 15:19:29 -0400 |
parents | 7223744c2784 |
children |
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/* * Copyright (c) 2010, 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 6579789 * @summary Internal error "c1_LinearScan.cpp:1429 Error: assert(false,"")" in debuggee with fastdebug VM * @run main/othervm -Xcomp -XX:UseSSE=0 -XX:CompileOnly=Test6579789.bug Test6579789 */ public class Test6579789 { public static void main(String[] args) { bug(4); } public static void bug(int n) { float f = 1; int i = 1; try { int x = 1 / n; // instruction that can trap f = 2; i = 2; int y = 2 / n; // instruction that can trap } catch (Exception ex) { f++; i++; } } }