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java/lang/invoke/VarHandleByteArrayAsFloats.java

/*
 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.lang.invoke;

import jdk.internal.misc.Unsafe;
import jdk.internal.util.Preconditions;
import jdk.internal.vm.annotation.ForceInline;

import java.nio.ByteBuffer;
import java.nio.ReadOnlyBufferException;
import java.util.Objects;

import static java.lang.invoke.MethodHandleStatics.UNSAFE;

// -- This file was mechanically generated: Do not edit! -- //

final class VarHandleByteArrayAsFloats extends VarHandleByteArrayBase {

    static final int ALIGN = Float.BYTES - 1;

    @ForceInline
    static int convEndian(boolean big, float v) {
        int rv = Float.floatToRawIntBits(v);
        return big == BE ? rv : Integer.reverseBytes(rv);
    }

    @ForceInline
    static float convEndian(boolean big, int rv) {
        rv = big == BE ? rv : Integer.reverseBytes(rv);
        return Float.intBitsToFloat(rv);
    }


    private static abstract class ByteArrayViewVarHandle extends VarHandle {
        final boolean be;

        ByteArrayViewVarHandle(VarForm form, boolean be) {
            super(form);
            this.be = be;
        }
    }

    static final class ArrayHandle extends ByteArrayViewVarHandle {

        ArrayHandle(boolean be) {
            super(ArrayHandle.FORM, be);
        }

        @Override
        final MethodType accessModeTypeUncached(AccessMode accessMode) {
            return accessMode.at.accessModeType(byte[].class, float.class, int.class);
        }

        @ForceInline
        static int index(byte[] ba, int index) {
            return Preconditions.checkIndex(index, ba.length - ALIGN, null);
        }

        @ForceInline
        static long address(byte[] ba, int index) {
            long address = ((long) index) + Unsafe.ARRAY_BYTE_BASE_OFFSET;
            if ((address & ALIGN) != 0)
                throw newIllegalStateExceptionForMisalignedAccess(index);
            return address;
        }

        @ForceInline
        static float get(ArrayHandle handle, Object oba, int index) {
            byte[] ba = (byte[]) oba;
            int rawValue = UNSAFE.getIntUnaligned(
                    ba,
                    ((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
                    handle.be);
            return Float.intBitsToFloat(rawValue);
        }

        @ForceInline
        static void set(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            UNSAFE.putIntUnaligned(
                    ba,
                    ((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
                    Float.floatToRawIntBits(value),
                    handle.be);
        }

        @ForceInline
        static float getVolatile(ArrayHandle handle, Object oba, int index) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.getIntVolatile(
                                      ba,
                                      address(ba, index(ba, index))));
        }

        @ForceInline
        static void setVolatile(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            UNSAFE.putIntVolatile(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, value));
        }

        @ForceInline
        static float getAcquire(ArrayHandle handle, Object oba, int index) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.getIntAcquire(
                                      ba,
                                      address(ba, index(ba, index))));
        }

        @ForceInline
        static void setRelease(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            UNSAFE.putIntRelease(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, value));
        }

        @ForceInline
        static float getOpaque(ArrayHandle handle, Object oba, int index) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.getIntOpaque(
                                      ba,
                                      address(ba, index(ba, index))));
        }

        @ForceInline
        static void setOpaque(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            UNSAFE.putIntOpaque(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, value));
        }

        @ForceInline
        static boolean compareAndSet(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return UNSAFE.compareAndSetInt(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static float compareAndExchange(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.compareAndExchangeInt(
                                      ba,
                                      address(ba, index(ba, index)),
                                      convEndian(handle.be, expected), convEndian(handle.be, value)));
        }

        @ForceInline
        static float compareAndExchangeAcquire(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.compareAndExchangeIntAcquire(
                                      ba,
                                      address(ba, index(ba, index)),
                                      convEndian(handle.be, expected), convEndian(handle.be, value)));
        }

        @ForceInline
        static float compareAndExchangeRelease(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.compareAndExchangeIntRelease(
                                      ba,
                                      address(ba, index(ba, index)),
                                      convEndian(handle.be, expected), convEndian(handle.be, value)));
        }

        @ForceInline
        static boolean weakCompareAndSetPlain(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return UNSAFE.weakCompareAndSetIntPlain(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static boolean weakCompareAndSet(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return UNSAFE.weakCompareAndSetInt(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static boolean weakCompareAndSetAcquire(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return UNSAFE.weakCompareAndSetIntAcquire(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static boolean weakCompareAndSetRelease(ArrayHandle handle, Object oba, int index, float expected, float value) {
            byte[] ba = (byte[]) oba;
            return UNSAFE.weakCompareAndSetIntRelease(
                    ba,
                    address(ba, index(ba, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static float getAndSet(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.getAndSetInt(
                                      ba,
                                      address(ba, index(ba, index)),
                                      convEndian(handle.be, value)));
        }

        @ForceInline
        static float getAndSetAcquire(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.getAndSetIntAcquire(
                                      ba,
                                      address(ba, index(ba, index)),
                                      convEndian(handle.be, value)));
        }

        @ForceInline
        static float getAndSetRelease(ArrayHandle handle, Object oba, int index, float value) {
            byte[] ba = (byte[]) oba;
            return convEndian(handle.be,
                              UNSAFE.getAndSetIntRelease(
                                      ba,
                                      address(ba, index(ba, index)),
                                      convEndian(handle.be, value)));
        }

        static final VarForm FORM = new VarForm(ArrayHandle.class, byte[].class, float.class, int.class);
    }


    static final class ByteBufferHandle extends ByteArrayViewVarHandle {

        ByteBufferHandle(boolean be) {
            super(ByteBufferHandle.FORM, be);
        }

        @Override
        final MethodType accessModeTypeUncached(AccessMode accessMode) {
            return accessMode.at.accessModeType(ByteBuffer.class, float.class, int.class);
        }

        @ForceInline
        static int index(ByteBuffer bb, int index) {
            return Preconditions.checkIndex(index, UNSAFE.getInt(bb, BUFFER_LIMIT) - ALIGN, null);
        }

        @ForceInline
        static int indexRO(ByteBuffer bb, int index) {
            if (UNSAFE.getBoolean(bb, BYTE_BUFFER_IS_READ_ONLY))
                throw new ReadOnlyBufferException();
            return Preconditions.checkIndex(index, UNSAFE.getInt(bb, BUFFER_LIMIT) - ALIGN, null);
        }

        @ForceInline
        static long address(ByteBuffer bb, int index) {
            long address = ((long) index) + UNSAFE.getLong(bb, BUFFER_ADDRESS);
            if ((address & ALIGN) != 0)
                throw newIllegalStateExceptionForMisalignedAccess(index);
            return address;
        }

        @ForceInline
        static float get(ByteBufferHandle handle, Object obb, int index) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            int rawValue = UNSAFE.getIntUnaligned(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    ((long) index(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
                    handle.be);
            return Float.intBitsToFloat(rawValue);
        }

        @ForceInline
        static void set(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            UNSAFE.putIntUnaligned(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    ((long) indexRO(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
                    Float.floatToRawIntBits(value),
                    handle.be);
        }

        @ForceInline
        static float getVolatile(ByteBufferHandle handle, Object obb, int index) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.getIntVolatile(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, index(bb, index))));
        }

        @ForceInline
        static void setVolatile(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            UNSAFE.putIntVolatile(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, value));
        }

        @ForceInline
        static float getAcquire(ByteBufferHandle handle, Object obb, int index) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.getIntAcquire(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, index(bb, index))));
        }

        @ForceInline
        static void setRelease(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            UNSAFE.putIntRelease(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, value));
        }

        @ForceInline
        static float getOpaque(ByteBufferHandle handle, Object obb, int index) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.getIntOpaque(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, index(bb, index))));
        }

        @ForceInline
        static void setOpaque(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            UNSAFE.putIntOpaque(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, value));
        }

        @ForceInline
        static boolean compareAndSet(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return UNSAFE.compareAndSetInt(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static float compareAndExchange(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.compareAndExchangeInt(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, indexRO(bb, index)),
                                      convEndian(handle.be, expected), convEndian(handle.be, value)));
        }

        @ForceInline
        static float compareAndExchangeAcquire(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.compareAndExchangeIntAcquire(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, indexRO(bb, index)),
                                      convEndian(handle.be, expected), convEndian(handle.be, value)));
        }

        @ForceInline
        static float compareAndExchangeRelease(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.compareAndExchangeIntRelease(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, indexRO(bb, index)),
                                      convEndian(handle.be, expected), convEndian(handle.be, value)));
        }

        @ForceInline
        static boolean weakCompareAndSetPlain(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return UNSAFE.weakCompareAndSetIntPlain(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static boolean weakCompareAndSet(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return UNSAFE.weakCompareAndSetInt(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static boolean weakCompareAndSetAcquire(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return UNSAFE.weakCompareAndSetIntAcquire(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static boolean weakCompareAndSetRelease(ByteBufferHandle handle, Object obb, int index, float expected, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return UNSAFE.weakCompareAndSetIntRelease(
                    UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                    address(bb, indexRO(bb, index)),
                    convEndian(handle.be, expected), convEndian(handle.be, value));
        }

        @ForceInline
        static float getAndSet(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.getAndSetInt(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, indexRO(bb, index)),
                                      convEndian(handle.be, value)));
        }

        @ForceInline
        static float getAndSetAcquire(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.getAndSetIntAcquire(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, indexRO(bb, index)),
                                      convEndian(handle.be, value)));
        }

        @ForceInline
        static float getAndSetRelease(ByteBufferHandle handle, Object obb, int index, float value) {
            ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
            return convEndian(handle.be,
                              UNSAFE.getAndSetIntRelease(
                                      UNSAFE.getObject(bb, BYTE_BUFFER_HB),
                                      address(bb, indexRO(bb, index)),
                                      convEndian(handle.be, value)));
        }

        static final VarForm FORM = new VarForm(ByteBufferHandle.class, ByteBuffer.class, float.class, int.class);
    }
}

java/lang/invoke/VarHandleByteArrayAsFloats.java

 

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