168 lines
4.8 KiB
Java
168 lines
4.8 KiB
Java
/*
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* Copyright (c) 2016, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8171092
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* @summary C1's Math.fma() intrinsic doesn't correctly marks its inputs
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* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestFMABrokenC1RegAlloc
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*
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*/
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public class TestFMABrokenC1RegAlloc {
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double dummy0;
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double dummy1;
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double dummy2;
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double dummy3;
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double dummy4;
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double dummy5;
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double dummy6;
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double dummy7;
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double dummy8;
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double dummy9;
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double dummy10;
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double dummy11;
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double dummy12;
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double dummy13;
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double dummy14;
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double dummy15;
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double dummy16;
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double dummy17;
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double dummy18;
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double dummy19;
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double dummy20;
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double dummy21;
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double dummy22;
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double dummy23;
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double dummy24;
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double dummy25;
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double dummy26;
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double dummy27;
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double dummy28;
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double dummy29;
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double dummy30;
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double dummy31;
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double dummy32;
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double dummy33;
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double dummy34;
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double dummy35;
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double dummy36;
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double dummy37;
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double dummy38;
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double dummy39;
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double test(double a, double b, double c) {
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double dummy0 = this.dummy0;
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double dummy1 = this.dummy1;
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double dummy2 = this.dummy2;
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double dummy3 = this.dummy3;
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double dummy4 = this.dummy4;
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double dummy5 = this.dummy5;
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double dummy6 = this.dummy6;
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double dummy7 = this.dummy7;
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double dummy8 = this.dummy8;
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double dummy9 = this.dummy9;
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double dummy10 = this.dummy10;
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double dummy11 = this.dummy11;
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double dummy12 = this.dummy12;
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double dummy13 = this.dummy13;
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double dummy14 = this.dummy14;
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double dummy15 = this.dummy15;
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double dummy16 = this.dummy16;
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double dummy17 = this.dummy17;
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double dummy18 = this.dummy18;
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double dummy19 = this.dummy19;
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double dummy20 = this.dummy20;
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double dummy21 = this.dummy21;
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double dummy22 = this.dummy22;
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double dummy23 = this.dummy23;
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double dummy24 = this.dummy24;
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double dummy25 = this.dummy25;
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double dummy26 = this.dummy26;
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double dummy27 = this.dummy27;
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double dummy28 = this.dummy28;
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double dummy29 = this.dummy29;
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double dummy30 = this.dummy30;
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double dummy31 = this.dummy31;
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double dummy32 = this.dummy32;
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double dummy33 = this.dummy33;
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double dummy34 = this.dummy34;
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double dummy35 = this.dummy35;
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double dummy36 = this.dummy36;
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double dummy37 = this.dummy37;
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double dummy38 = this.dummy38;
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double dummy39 = this.dummy39;
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return Math.fma(a, b, c) +
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dummy0 +
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dummy1 +
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dummy2 +
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dummy3 +
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dummy4 +
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dummy5 +
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dummy6 +
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dummy7 +
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dummy8 +
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dummy9 +
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dummy10 +
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dummy11 +
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dummy12 +
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dummy13 +
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dummy14 +
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dummy15 +
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dummy16 +
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dummy17 +
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dummy18 +
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dummy19 +
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dummy20 +
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dummy21 +
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dummy22 +
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dummy23 +
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dummy24 +
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dummy25 +
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dummy26 +
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dummy27 +
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dummy28 +
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dummy29 +
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dummy30 +
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dummy31 +
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dummy32 +
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dummy33 +
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dummy34 +
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dummy35 +
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dummy36 +
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dummy37 +
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dummy38 +
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dummy39;
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}
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static public void main(String[] args) {
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TestFMABrokenC1RegAlloc t = new TestFMABrokenC1RegAlloc();
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for (int i = 0; i < 5000; i++) {
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if (t.test(5.0, 10.0, 7.0) != 57.0) {
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throw new RuntimeException("Failed");
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}
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}
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}
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}
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