jdk-24/test/hotspot/jtreg/compiler/vectorization/TestRoundVectDouble.java
2022-11-01 15:41:09 +00:00

73 lines
2.4 KiB
Java

/*
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* 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
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*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
* @test
* @bug 8279508
* @summary Auto-vectorize Math.round API
* @requires vm.compiler2.enabled
* @requires vm.cpu.features ~= ".*avx512dq.*"
* @requires os.simpleArch == "x64"
* @library /test/lib /
* @run driver compiler.vectorization.TestRoundVectDouble
*/
package compiler.vectorization;
import compiler.lib.ir_framework.*;
public class TestRoundVectDouble {
private static final int ARRLEN = 1024;
private static final int ITERS = 11000;
private static double [] dinp;
private static long [] lout;
public static void main(String args[]) {
TestFramework.runWithFlags("-XX:-TieredCompilation",
"-XX:UseAVX=3",
"-XX:CompileThresholdScaling=0.3");
System.out.println("PASSED");
}
@Test
@IR(applyIf = {"UseAVX", "3"}, counts = {IRNode.ROUND_VD, " > 0 "})
public void test_round_double(long[] lout, double[] dinp) {
for (int i = 0; i < lout.length; i+=1) {
lout[i] = Math.round(dinp[i]);
}
}
@Run(test = {"test_round_double"}, mode = RunMode.STANDALONE)
public void kernel_test_round_double() {
dinp = new double[ARRLEN];
lout = new long[ARRLEN];
for(int i = 0 ; i < ARRLEN; i++) {
dinp[i] = (double)i*1.4;
}
for (int i = 0; i < ITERS; i++) {
test_round_double(lout , dinp);
}
}
}