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8378897: assertion failure due to missing depends_only_on_test_impl definition in SqrtHFNode

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Reviewed-by: qamai
This commit is contained in:
Jatin Bhateja 2026-03-02 14:29:11 +00:00
parent cc4ca9fde8
commit da99f1a330
2 changed files with 72 additions and 0 deletions
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3
src/hotspot/share/opto/subnode.hpp
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@ -564,6 +564,9 @@ public:
const Type* bottom_type() const { return Type::HALF_FLOAT; }
virtual uint ideal_reg() const { return Op_RegF; }
virtual const Type* Value(PhaseGVN* phase) const;
private:
virtual bool depends_only_on_test_impl() const { return false; }
};

69
test/hotspot/jtreg/compiler/c2/TestDependsOnTestSqrtHFAssertion.java Normal file
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@ -0,0 +1,69 @@
/*
* Copyright (c) 2026, 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 8378897
* @summary assertion failure due to missing depends_only_on_test_impl definition in SqrtHFNode
* @library /test/lib /
* @modules jdk.incubator.vector
* @requires vm.debug & vm.compiler2.enabled
* @run main/othervm --add-modules=jdk.incubator.vector compiler.c2.TestDependsOnTestSqrtHFAssertion
*/
package compiler.c2;
import jdk.incubator.vector.*;
public class TestDependsOnTestSqrtHFAssertion {
public static int x1 = 10;
public static int x2 = 20;
public static int y = 30;
public static int micro(int x1, int x2, int y, int ctr) {
int res = 0;
for (int i = 0; i < ctr; i++) {
if (y != 0) {
if (x1 > 0) {
if (x2 > 0) {
if (y != 0) {
res += (int)Float16.float16ToRawShortBits(Float16.sqrt(Float16.shortBitsToFloat16((short)(x1/y))));
res += (int)Float16.float16ToRawShortBits(Float16.sqrt(Float16.shortBitsToFloat16((short)(x2/y))));
}
}
}
}
}
return res;
}
public static void main(String [] args) {
int res = 0;
for (int i = 0 ; i < 100000; i++) {
res += micro(x1, x2, y, i);
}
IO.println("PASS" + res);
}
}