| /* |
| * Copyright (c) 2015, 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 |
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| * questions. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 8074981 |
| * @summary Add C2 x86 Superword support for scalar product reduction optimizations : int test |
| * |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=2 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=2 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=4 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=4 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=8 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=8 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=16 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=16 -XX:CompileThresholdScaling=0.1 ProdRed_Int |
| */ |
| |
| public class ProdRed_Int |
| { |
| public static void main(String[] args) throws Exception { |
| int[] a = new int[256*1024]; |
| int[] b = new int[256*1024]; |
| prodReductionInit(a,b); |
| int valid = 419430401; |
| int total = 1; |
| for(int j = 0; j < 2000; j++) { |
| total = prodReductionImplement(a,b,total); |
| } |
| if(total == valid) { |
| System.out.println("Success"); |
| } else { |
| System.out.println("Invalid sum of elements variable in total: " + total); |
| System.out.println("Expected value = " + valid); |
| throw new Exception("Failed"); |
| } |
| } |
| |
| public static void prodReductionInit(int[] a, int[] b) |
| { |
| for(int i = 0; i < a.length; i++) |
| { |
| a[i] = i + 2; |
| b[i] = i + 1; |
| } |
| } |
| |
| public static int prodReductionImplement(int[] a, int[] b, int total) |
| { |
| for(int i = 0; i < a.length; i++) |
| { |
| total *= a[i] + b[i]; |
| } |
| return total; |
| } |
| |
| } |