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test/compiler/loopopts/superword/TestNegBaseOffset.java@b290489738b8 (annotated)
test/compiler/loopopts/superword/TestNegBaseOffset.java
Fri, 15 Jun 2018 08:28:08 -0700
- author
- kvn
- date
- Fri, 15 Jun 2018 08:28:08 -0700
- changeset 9740
- b290489738b8
- permissions
- -rw-r--r--
8202948: C2: assert(init_offset >= 0) failed: positive offset from object start
Summary: convert the assert into compilation check which will skip superword optimization
Reviewed-by: roland, thartmann
| kvn@9740 | 1 | /* |
| kvn@9740 | 2 | * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| kvn@9740 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| kvn@9740 | 4 | * |
| kvn@9740 | 5 | * This code is free software; you can redistribute it and/or modify it |
| kvn@9740 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| kvn@9740 | 7 | * published by the Free Software Foundation. |
| kvn@9740 | 8 | * |
| kvn@9740 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| kvn@9740 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| kvn@9740 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| kvn@9740 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| kvn@9740 | 13 | * accompanied this code). |
| kvn@9740 | 14 | * |
| kvn@9740 | 15 | * You should have received a copy of the GNU General Public License version |
| kvn@9740 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| kvn@9740 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| kvn@9740 | 18 | * |
| kvn@9740 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| kvn@9740 | 20 | * or visit www.oracle.com if you need additional information or have any |
| kvn@9740 | 21 | * questions. |
| kvn@9740 | 22 | */ |
| kvn@9740 | 23 | |
| kvn@9740 | 24 | /* |
| kvn@9740 | 25 | * @test |
| kvn@9740 | 26 | * @bug 8202948 |
| kvn@9740 | 27 | * @summary Test skipping vector packs with negative base offset. |
| kvn@9740 | 28 | * @comment Test fails only with -Xcomp when profiling data is not present. |
| kvn@9740 | 29 | * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions |
| kvn@9740 | 30 | * -Xcomp -XX:-TieredCompilation -XX:CICompilerCount=1 |
| kvn@9740 | 31 | * -XX:CompileOnly=compiler/loopopts/superword/TestNegBaseOffset |
| kvn@9740 | 32 | * compiler.loopopts.superword.TestNegBaseOffset |
| kvn@9740 | 33 | */ |
| kvn@9740 | 34 | |
| kvn@9740 | 35 | package compiler.loopopts.superword; |
| kvn@9740 | 36 | |
| kvn@9740 | 37 | public class TestNegBaseOffset { |
| kvn@9740 | 38 | public static final int N = 400; |
| kvn@9740 | 39 | public static int iFld=10; |
| kvn@9740 | 40 | public static int iArr[]=new int[N]; |
| kvn@9740 | 41 | |
| kvn@9740 | 42 | public static void mainTest() { |
| kvn@9740 | 43 | int i0=1, i2; |
| kvn@9740 | 44 | while (++i0 < 339) { |
| kvn@9740 | 45 | if ((i0 % 2) == 0) { |
| kvn@9740 | 46 | for (i2 = 2; i2 > i0; i2 -= 3) { |
| kvn@9740 | 47 | iArr[i2 - 1] &= iFld; |
| kvn@9740 | 48 | } |
| kvn@9740 | 49 | } |
| kvn@9740 | 50 | } |
| kvn@9740 | 51 | } |
| kvn@9740 | 52 | |
| kvn@9740 | 53 | public static void main(String[] strArr) { |
| kvn@9740 | 54 | for (int i = 0; i < 10; i++) { |
| kvn@9740 | 55 | mainTest(); |
| kvn@9740 | 56 | } |
| kvn@9740 | 57 | } |
| kvn@9740 | 58 | } |
| kvn@9740 | 59 |
