--- /dev/null 2018-12-10 13:45:45.000000000 -0800 +++ new/test/hotspot/jtreg/compiler/loopopts/superword/Vec_MulAddS2I.java 2018-12-10 13:45:44.850068900 -0800 @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2018, 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 8214751 + * @summary Add C2 x86 Superword support for VNNI VPDPWSSD Instruction + * @requires os.arch=="x86" | os.arch=="i386" | os.arch=="amd64" | os.arch=="x86_64" + * + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:+SuperWord + * -XX:LoopMaxUnroll=2 + * compiler.loopopts.superword.Vec_MulAddS2I + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:-SuperWord + * -XX:LoopMaxUnroll=2 + * compiler.loopopts.superword.Vec_MulAddS2I + * + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:+SuperWord + * -XX:LoopMaxUnroll=4 + * compiler.loopopts.superword.Vec_MulAddS2I + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:-SuperWord + * -XX:LoopMaxUnroll=4 + * compiler.loopopts.superword.Vec_MulAddS2I + * + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:+SuperWord + * -XX:LoopMaxUnroll=8 + * compiler.loopopts.superword.Vec_MulAddS2I + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:-SuperWord + * -XX:LoopMaxUnroll=8 + * compiler.loopopts.superword.Vec_MulAddS2I + * + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:+SuperWord + * -XX:LoopMaxUnroll=16 + * compiler.loopopts.superword.Vec_MulAddS2I + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250 + * -XX:CompileThresholdScaling=0.1 + * -XX:-SuperWord + * -XX:LoopMaxUnroll=16 + * compiler.loopopts.superword.Vec_MulAddS2I + */ + +package compiler.loopopts.superword; +import java.util.Random; + +public class Vec_MulAddS2I { + static final int NUM = 1024; + static int[] out = new int[NUM]; + static short[] in1 = new short[2*NUM]; + static short[] in2 = new short[2*NUM]; + public static void main(String[] args) throws Exception { + Vec_MulAddS2IInit(in1, in2); + int result = 0; + int valid = 204800000; + for (int j = 0; j < 10000*512; j++) { + result = Vec_MulAddS2IImplement(in1, in2, out); + } + if (result == valid) { + System.out.println("Success"); + } else { + System.out.println("Invalid calculation of element variables in the out array: " + result); + System.out.println("Expected value for each element of out array = " + valid); + throw new Exception("Failed"); + } + } + + public static void Vec_MulAddS2IInit( + short[] in1, + short[] in2) { + for (int i=0; i<2*NUM; i++) { + in1[i] = (short)4; + in2[i] = (short)5; + } + } + + public static int Vec_MulAddS2IImplement( + short[] in1, + short[] in2, + int[] out) { + for (int i = 0; i < NUM; i++) { + out[i] += ((in1[2*i] * in2[2*i]) + (in1[2*i+1] * in2[2*i+1])); + } + Random rand = new Random(); + int n = rand.nextInt(NUM-1); + return out[n]; + } + +}