Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotCardTableShiftOp.java @ 21413:15a46a918fc1
removed unnecessary HotSpotCodeCache.MarkId enum (JBS:GRAAL-53)
converted some uses of GraalInternalError to InternalError
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Mon, 18 May 2015 22:27:24 +0200 |
parents | 8fc336a04d77 |
children | 1da7aef31a08 |
line wrap: on
line source
/* * 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 com.oracle.graal.api.code.*; import com.oracle.graal.api.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); } }