Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotCardTableShiftOp.java @ 22130:3f01bf8c02eb
mx: mxMxDir should be absolute (fixes Library.get_path()).
author | Danilo Ansaloni <danilo.ansaloni@oracle.com> |
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date | Tue, 30 Jun 2015 12:32:51 +0200 |
parents | 0e095e2c24e2 |
children | b00cc0475f31 |
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/* * Copyright (c) 2014, 2015, 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 com.oracle.graal.hotspot.amd64; import jdk.internal.jvmci.code.*; import jdk.internal.jvmci.hotspot.*; import jdk.internal.jvmci.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; public final class AMD64HotSpotCardTableShiftOp extends AMD64LIRInstruction { public static final LIRInstructionClass<AMD64HotSpotCardTableShiftOp> TYPE = LIRInstructionClass.create(AMD64HotSpotCardTableShiftOp.class); @Def({OperandFlag.REG, OperandFlag.ILLEGAL}) private AllocatableValue result; private final HotSpotVMConfig config; public AMD64HotSpotCardTableShiftOp(AllocatableValue result, HotSpotVMConfig config) { super(TYPE); this.result = result; this.config = config; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler asm) { Kind hostWordKind = HotSpotGraalRuntime.getHostWordKind(); int alignment = Kind.Int.getBitCount() / Byte.SIZE; JavaConstant shift = JavaConstant.forIntegerKind(hostWordKind, 0); // recordDataReferenceInCode forces the mov to be rip-relative asm.movq(ValueUtil.asRegister(result), (AMD64Address) crb.recordDataReferenceInCode(shift, alignment)); crb.recordMark(config.MARKID_CARD_TABLE_SHIFT); } }