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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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72
test/hotspot/jtreg/compiler/vectorapi/TestVectorTest.java Normal file
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/*
* Copyright (c) 2022, 2025, 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.
*/
package compiler.vectorapi;
import compiler.lib.ir_framework.*;
import jdk.incubator.vector.ByteVector;
import jdk.incubator.vector.VectorMask;
/*
* @test
* @bug 8292289
* @summary Test idealization of VectorTest intrinsics to eliminate
* the materialization of the result as an int
* @modules jdk.incubator.vector
* @library /test/lib /
* @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*sse4.*" & (vm.opt.UseSSE == "null" | vm.opt.UseSSE > 3))
* | os.arch == "aarch64"
* | (os.arch == "riscv64" & vm.cpu.features ~= ".*rvv.*")
* @run driver compiler.vectorapi.TestVectorTest
*/
public class TestVectorTest {
public static void main(String[] args) {
TestFramework.runWithFlags("--add-modules=jdk.incubator.vector");
}
@DontInline
public int call() { return 1; }
@Test
@IR(failOn = {IRNode.CMP_I, IRNode.CMOVE_I})
@IR(counts = {IRNode.VECTOR_TEST, "1"})
public int branch(long maskLong) {
var mask = VectorMask.fromLong(ByteVector.SPECIES_PREFERRED, maskLong);
return mask.allTrue() ? call() : 0;
}
@Test
@IR(failOn = {IRNode.CMP_I})
@IR(counts = {IRNode.VECTOR_TEST, "1", IRNode.CMOVE_I, "1"})
public int cmove(long maskLong) {
var mask = VectorMask.fromLong(ByteVector.SPECIES_PREFERRED, maskLong);
return mask.allTrue() ? 1 : 0;
}
@Run(test = {"branch", "cmove"})
public void run() {
branch(-1);
branch(100);
cmove(-1);
cmove(100);
}
}