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8342103: C2 compiler support for Float16 type and associated scalar operations

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Co-authored-by: Paul Sandoz <psandoz@openjdk.org>
Co-authored-by: Bhavana Kilambi <bkilambi@openjdk.org>
Co-authored-by: Joe Darcy <darcy@openjdk.org>
Co-authored-by: Raffaello Giulietti <rgiulietti@openjdk.org>
Reviewed-by: psandoz, epeter, sviswanathan
This commit is contained in:
Jatin Bhateja 2025-02-12 17:02:51 +00:00
parent 332d87cc7e
commit 4b463ee70e
56 changed files with 2856 additions and 68 deletions
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52
src/java.base/share/classes/jdk/internal/vm/vector/Float16Math.java Normal file
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/*
* Copyright (c) 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 jdk.internal.vm.vector;
import jdk.internal.vm.annotation.IntrinsicCandidate;
import java.util.function.UnaryOperator;
public class Float16Math {
@FunctionalInterface
public interface TernaryOperator<T> {
T apply(T a, T b, T c);
}
@IntrinsicCandidate
public static <T> T sqrt(Class<T> box_class, T oa, UnaryOperator<T> defaultImpl) {
assert isNonCapturingLambda(defaultImpl) : defaultImpl;
return defaultImpl.apply(oa);
}
@IntrinsicCandidate
public static <T> T fma(Class<T> box_class, T oa, T ob, T oc, TernaryOperator<T> defaultImpl) {
assert isNonCapturingLambda(defaultImpl) : defaultImpl;
return defaultImpl.apply(oa, ob, oc);
}
public static boolean isNonCapturingLambda(Object o) {
return o.getClass().getDeclaredFields().length == 0;
}
}