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8027444: mathExact: assert(i < _max) failed: oob: i=1, _max=1

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Reviewed-by: duke
This commit is contained in:
Rickard Bäckman 2013-10-30 13:14:09 +01:00
parent 4d9e812aa2
commit 612252d7a2
2 changed files with 58 additions and 0 deletions
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4
hotspot/src/share/vm/opto/loopTransform.cpp
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@ -713,6 +713,10 @@ bool IdealLoopTree::policy_unroll( PhaseIdealLoop *phase ) const {
case Op_ModL: body_size += 30; break;
case Op_DivL: body_size += 30; break;
case Op_MulL: body_size += 10; break;
case Op_FlagsProj:
// Can't handle unrolling of loops containing
// nodes that generate a FlagsProj at the moment
return false;
case Op_StrComp:
case Op_StrEquals:
case Op_StrIndexOf:

54
hotspot/test/compiler/intrinsics/mathexact/NestedMathExactTest.java Normal file
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@ -0,0 +1,54 @@
/*
* Copyright (c) 2013, 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 8027444
* @summary Test nested loops
* @compile NestedMathExactTest.java
* @run main NestedMathExactTest
*
*/
public class NestedMathExactTest {
public static final int LIMIT = 100;
public static int[] result = new int[LIMIT];
public static int value = 17;
public static void main(String[] args) {
for (int i = 0; i < 100; ++i) {
result[i] = runTest();
}
}
public static int runTest() {
int sum = 0;
for (int j = 0; j < 100000; j = Math.addExact(j, 1)) {
sum = 1;
for (int i = 0; i < 5; ++i) {
sum *= value;
}
}
return sum;
}
}