java.lang.invoke.MemoryAccessVarHandleFloatHelper Maven / Gradle / Ivy
/*
* Copyright (c) 2019, 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
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package java.lang.invoke;
import jdk.internal.access.foreign.MemorySegmentProxy;
import jdk.internal.misc.ScopedMemoryAccess;
import jdk.internal.vm.annotation.ForceInline;
import java.lang.ref.Reference;
import java.util.Objects;
import org.qbicc.rt.annotation.Tracking;
import static java.lang.invoke.MethodHandleStatics.UNSAFE;
// -- This file was mechanically generated: Do not edit! -- //
@Tracking("src/java.base/share/classes/java/lang/invoke/X-VarHandleMemoryAccess.java.template")
final class MemoryAccessVarHandleFloatHelper extends MemoryAccessVarHandleBase {
static final boolean BE = UNSAFE.isBigEndian();
static final ScopedMemoryAccess SCOPED_MEMORY_ACCESS = ScopedMemoryAccess.getScopedMemoryAccess();
static final int VM_ALIGN = Float.BYTES - 1;
static final VarForm FORM = new VarForm(MemoryAccessVarHandleFloatHelper.class, MemorySegmentProxy.class, float.class, long.class);
MemoryAccessVarHandleFloatHelper(boolean skipAlignmentMaskCheck, boolean be, long length, long alignmentMask, boolean exact) {
super(FORM, skipAlignmentMaskCheck, be, length, alignmentMask, exact);
}
@Override
final MethodType accessModeTypeUncached(VarHandle.AccessType accessType) {
return accessType.accessModeType(MemorySegmentProxy.class, float.class, long.class);
}
@Override
public MemoryAccessVarHandleFloatHelper withInvokeExactBehavior() {
return hasInvokeExactBehavior() ?
this :
new MemoryAccessVarHandleFloatHelper(skipAlignmentMaskCheck, be, length, alignmentMask, true);
}
@Override
public MemoryAccessVarHandleFloatHelper withInvokeBehavior() {
return !hasInvokeExactBehavior() ?
this :
new MemoryAccessVarHandleFloatHelper(skipAlignmentMaskCheck, be, length, alignmentMask, false);
}
@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);
}
@ForceInline
static MemorySegmentProxy checkAddress(Object obb, long offset, long length, boolean ro) {
MemorySegmentProxy oo = (MemorySegmentProxy)Objects.requireNonNull(obb);
oo.checkAccess(offset, length, ro);
return oo;
}
@ForceInline
static long offset(boolean skipAlignmentMaskCheck, MemorySegmentProxy bb, long offset, long alignmentMask) {
long address = offsetNoVMAlignCheck(skipAlignmentMaskCheck, bb, offset, alignmentMask);
if ((address & VM_ALIGN) != 0) {
throw MemoryAccessVarHandleBase.newIllegalStateExceptionForMisalignedAccess(address);
}
return address;
}
@ForceInline
static long offsetNoVMAlignCheck(boolean skipAlignmentMaskCheck, MemorySegmentProxy bb, long offset, long alignmentMask) {
long base = bb.unsafeGetOffset();
long address = base + offset;
if (skipAlignmentMaskCheck) {
//note: the offset portion has already been aligned-checked, by construction
if ((base & alignmentMask) != 0) {
throw MemoryAccessVarHandleBase.newIllegalStateExceptionForMisalignedAccess(address);
}
} else {
if ((address & alignmentMask) != 0) {
throw MemoryAccessVarHandleBase.newIllegalStateExceptionForMisalignedAccess(address);
}
}
return address;
}
@ForceInline
static float get(VarHandle ob, Object obb, long base) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true);
int rawValue = SCOPED_MEMORY_ACCESS.getIntUnaligned(bb.scope(),
bb.unsafeGetBase(),
offsetNoVMAlignCheck(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
handle.be);
return Float.intBitsToFloat(rawValue);
}
// @Override
public float get(Object obb, long base) {
MemorySegmentProxy bb = checkAddress(obb, base, length, true);
int rawValue = SCOPED_MEMORY_ACCESS.getIntUnaligned(bb.scope(),
bb.unsafeGetBase(),
offsetNoVMAlignCheck(skipAlignmentMaskCheck, bb, base, alignmentMask),
be);
return Float.intBitsToFloat(rawValue);
}
@ForceInline
static void set(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
SCOPED_MEMORY_ACCESS.putIntUnaligned(bb.scope(),
bb.unsafeGetBase(),
offsetNoVMAlignCheck(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
Float.floatToRawIntBits(value),
handle.be);
}
// @Override
public void set(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
SCOPED_MEMORY_ACCESS.putIntUnaligned(bb.scope(),
bb.unsafeGetBase(),
offsetNoVMAlignCheck(skipAlignmentMaskCheck, bb, base, alignmentMask),
Float.floatToRawIntBits(value), be);
}
@ForceInline
static float getVolatile(VarHandle ob, Object obb, long base) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getIntVolatile(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask)));
}
// @Override
public float getVolatile(Object obb, long base) {
MemorySegmentProxy bb = checkAddress(obb, base, length, true);
return convEndian(be, SCOPED_MEMORY_ACCESS.getIntVolatile(bb.scope(),
bb.unsafeGetBase(), offset(skipAlignmentMaskCheck, bb, base, alignmentMask)));
}
@ForceInline
static void setVolatile(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
SCOPED_MEMORY_ACCESS.putIntVolatile(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, value));
}
// @Override
public void setVolatile(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
SCOPED_MEMORY_ACCESS.putIntVolatile(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, value));
}
@ForceInline
static float getAcquire(VarHandle ob, Object obb, long base) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask)));
}
// @Override
public float getAcquire(Object obb, long base) {
MemorySegmentProxy bb = checkAddress(obb, base, length, true);
return convEndian(be, SCOPED_MEMORY_ACCESS.getIntAcquire(bb.scope(),
bb.unsafeGetBase(), offset(skipAlignmentMaskCheck, bb, base, alignmentMask)));
}
@ForceInline
static void setRelease(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
SCOPED_MEMORY_ACCESS.putIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, value));
}
// @Override
public void setRelease(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
SCOPED_MEMORY_ACCESS.putIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, value));
}
@ForceInline
static float getOpaque(VarHandle ob, Object obb, long base) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getIntOpaque(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask)));
}
// @Override
public float getOpaque(Object obb, long base) {
MemorySegmentProxy bb = checkAddress(obb, base, length, true);
return convEndian(be, SCOPED_MEMORY_ACCESS.getIntOpaque(bb.scope(),
bb.unsafeGetBase(), offset(skipAlignmentMaskCheck, bb, base, alignmentMask)));
}
@ForceInline
static void setOpaque(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
SCOPED_MEMORY_ACCESS.putIntOpaque(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, value));
}
// @Override
public void setOpaque(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
SCOPED_MEMORY_ACCESS.putIntVolatile(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, value));
}
@ForceInline
static boolean compareAndSet(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return SCOPED_MEMORY_ACCESS.compareAndSetInt(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
// @Override
public boolean compareAndSet(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return SCOPED_MEMORY_ACCESS.compareAndSetInt(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value));
}
@ForceInline
static float compareAndExchange(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.compareAndExchangeInt(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
// @Override
public float compareAndExchange(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return convEndian(be, SCOPED_MEMORY_ACCESS.compareAndExchangeInt(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value)));
}
@ForceInline
static float compareAndExchangeAcquire(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.compareAndExchangeIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
// @Override
public float compareAndExchangeAcquire(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return convEndian(be, SCOPED_MEMORY_ACCESS.compareAndExchangeIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value)));
}
@ForceInline
static float compareAndExchangeRelease(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.compareAndExchangeIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
// @Override
public float compareAndExchangeRelease(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return convEndian(be, SCOPED_MEMORY_ACCESS.compareAndExchangeIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value)));
}
@ForceInline
static boolean weakCompareAndSetPlain(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetIntPlain(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
// @Override
public boolean weakCompareAndSetPlain(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetIntPlain(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value));
}
@ForceInline
static boolean weakCompareAndSet(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetInt(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
// @Override
public boolean weakCompareAndSet(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetInt(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value));
}
@ForceInline
static boolean weakCompareAndSetAcquire(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
// @Override
public boolean weakCompareAndSetAcquire(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value));
}
@ForceInline
static boolean weakCompareAndSetRelease(VarHandle ob, Object obb, long base, float expected, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
// @Override
public boolean weakCompareAndSetRelease(Object obb, long base, float expected, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSetIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, expected), convEndian(be, value));
}
@ForceInline
static float getAndSet(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getAndSetInt(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, value)));
}
// @Override
public float getAndSet(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return convEndian(be, SCOPED_MEMORY_ACCESS.getAndSetInt(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, value)));
}
@ForceInline
static float getAndSetAcquire(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getAndSetIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, value)));
}
// @Override
public float getAndSetAcquire(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return convEndian(be, SCOPED_MEMORY_ACCESS.getAndSetIntAcquire(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, value)));
}
@ForceInline
static float getAndSetRelease(VarHandle ob, Object obb, long base, float value) {
MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob;
MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getAndSetIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask),
convEndian(handle.be, value)));
}
// @Override
public float getAndSetRelease(Object obb, long base, float value) {
MemorySegmentProxy bb = checkAddress(obb, base, length, false);
return convEndian(be, SCOPED_MEMORY_ACCESS.getAndSetIntRelease(bb.scope(),
bb.unsafeGetBase(),
offset(skipAlignmentMaskCheck, bb, base, alignmentMask),
convEndian(be, value)));
}
}
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