jdk8-mips64-public/hotspot: test/compiler/6823354/Test6823354.java@dbb05f6d93c4 (annotated)

test/compiler/6823354/Test6823354.java@dbb05f6d93c4 (annotated)

test/compiler/6823354/Test6823354.java

Mon, 28 Jul 2014 15:06:38 -0700

author: fzhinkin
date: Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997: dbb05f6d93c4
parent 1907: c18cbe5936b8
child 6876: 710a3c8b516e
permissions: -rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

 /*
  * 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 6823354
  * @summary These methods can be instrinsified by using bit scan, bit test, and population count instructions.
  *
  * @run main/othervm -Xcomp -XX:CompileOnly=Test6823354.lzcomp,Test6823354.tzcomp,.dolzcomp,.dotzcomp Test6823354
  */
 import java.net.URLClassLoader;
 public class Test6823354 {
     // Arrays of corner case values.
     static final int[]  ia = new int[]  { 0,  1,  -1,  Integer.MIN_VALUE, Integer.MAX_VALUE };
     static final long[] la = new long[] { 0L, 1L, -1L, Long.MIN_VALUE,    Long.MAX_VALUE    };
     public static void main(String[] args) throws Exception {
         // Load the classes and the methods.
         Integer.numberOfLeadingZeros(0);
         Integer.numberOfTrailingZeros(0);
         Long.numberOfLeadingZeros(0);
         Long.numberOfTrailingZeros(0);
         lz();
         tz();
     }
     static void lz() throws Exception {
         // int
         // Test corner cases.
         for (int i = 0; i < ia.length; i++) {
             int x = ia[i];
             check(x, lzcomp(x), lzint(x));
         }
         // Test all possible return values.
         for (int i = 0; i < Integer.SIZE; i++) {
             int x = 1 << i;
             check(x, lzcomp(x), lzint(x));
         }
         String classname = "Test6823354$lzconI";
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < ia.length; i++) {
             testclass(classname, ia[i]);
         }
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < Integer.SIZE; i++) {
             int x = 1 << i;
             testclass(classname, x);
         }
         // long
         // Test corner cases.
         for (int i = 0; i < ia.length; i++) {
             long x = la[i];
             check(x, lzcomp(x), lzint(x));
         }
         // Test all possible return values.
         for (int i = 0; i < Long.SIZE; i++) {
             long x = 1L << i;
             check(x, lzcomp(x), lzint(x));
         }
         classname = "Test6823354$lzconL";
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < la.length; i++) {
             testclass(classname, la[i]);
         }
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < Long.SIZE; i++) {
             long x = 1L << i;
             testclass(classname, x);
         }
     }
     static void tz() throws Exception {
         // int
         // Test corner cases.
         for (int i = 0; i < ia.length; i++) {
             int x = ia[i];
             check(x, tzcomp(x), tzint(x));
         }
         // Test all possible return values.
         for (int i = 0; i < Integer.SIZE; i++) {
             int x = 1 << i;
             check(x, tzcomp(x), tzint(x));
         }
         String classname = "Test6823354$tzconI";
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < ia.length; i++) {
             testclass(classname, ia[i]);
         }
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < Integer.SIZE; i++) {
             int x = 1 << i;
             testclass(classname, x);
         }
         // long
         // Test corner cases.
         for (int i = 0; i < la.length; i++) {
             long x = la[i];
             check(x, tzcomp(x), tzint(x));
         }
         // Test all possible return values.
         for (int i = 0; i < Long.SIZE; i++) {
             long x = 1L << i;
             check(x, tzcomp(x), tzint(x));
         }
         classname = "Test6823354$tzconL";
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < la.length; i++) {
             testclass(classname, la[i]);
         }
         // Test Ideal optimizations (constant values).
         for (int i = 0; i < Long.SIZE; i++) {
             long x = 1L << i;
             testclass(classname, x);
         }
     }
     static void check(int value, int result, int expected) {
         //System.out.println(value + ": " + result + ", " + expected);
         if (result != expected)
             throw new InternalError(value + " failed: " + result + " != " + expected);
     }
     static void check(long value, long result, long expected) {
         //System.out.println(value + ": " + result + ", " + expected);
         if (result != expected)
             throw new InternalError(value + " failed: " + result + " != " + expected);
     }
     static int lzint( int i)  { return Integer.numberOfLeadingZeros(i); }
     static int lzcomp(int i)  { return Integer.numberOfLeadingZeros(i); }
     static int lzint( long l) { return Long.numberOfLeadingZeros(l); }
     static int lzcomp(long l) { return Long.numberOfLeadingZeros(l); }
     static int tzint( int i)  { return Integer.numberOfTrailingZeros(i); }
     static int tzcomp(int i)  { return Integer.numberOfTrailingZeros(i); }
     static int tzint( long l) { return Long.numberOfTrailingZeros(l); }
     static int tzcomp(long l) { return Long.numberOfTrailingZeros(l); }
     static void testclass(String classname, int x) throws Exception {
         System.setProperty("value", "" + x);
         loadandrunclass(classname);
     }
     static void testclass(String classname, long x) throws Exception {
         System.setProperty("value", "" + x);
         loadandrunclass(classname);
     }
     static void loadandrunclass(String classname) throws Exception {
         Class cl = Class.forName(classname);
         URLClassLoader apploader = (URLClassLoader) cl.getClassLoader();
         ClassLoader loader = new URLClassLoader(apploader.getURLs(), apploader.getParent());
         Class c = loader.loadClass(classname);
         Runnable r = (Runnable) c.newInstance();
         r.run();
     }
     public static class lzconI implements Runnable {
         static final int VALUE;
         static {
             int value = 0;
             try {
                 value = Integer.decode(System.getProperty("value"));
             } catch (Throwable e) {}
             VALUE = value;
         }
         public void run() { check(VALUE, lzint(VALUE), dolzcomp()); }
         static int dolzcomp() { return lzcomp(VALUE); }
     }
     public static class lzconL implements Runnable {
         static final long VALUE;
         static {
             long value = 0;
             try {
                 value = Long.decode(System.getProperty("value"));
             } catch (Throwable e) {}
             VALUE = value;
         }
         public void run() { check(VALUE, lzint(VALUE), dolzcomp()); }
         static int dolzcomp() { return lzcomp(VALUE); }
     }
     public static class tzconI implements Runnable {
         static final int VALUE;
         static {
             int value = 0;
             try {
                 value = Integer.decode(System.getProperty("value"));
             } catch (Throwable e) {}
             VALUE = value;
         }
         public void run() { check(VALUE, tzint(VALUE), dotzcomp()); }
         static int dotzcomp() { return tzcomp(VALUE); }
     }
     public static class tzconL implements Runnable {
         static final long VALUE;
         static {
             long value = 0;
             try {
                 value = Long.decode(System.getProperty("value"));
             } catch (Throwable e) {}
             VALUE = value;
         }
         public void run() { check(VALUE, tzint(VALUE), dotzcomp()); }
         static int dotzcomp() { return tzcomp(VALUE); }
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/6823354/Test6823354.java@dbb05f6d93c4 (annotated)

test/compiler/6823354/Test6823354.java