Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotDeoptimizeCallerOp.java @ 11352:8185c119d731
"always set" bit mask on IntegerStamps
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 16 Aug 2013 13:15:42 +0200 |
parents | fbeda9df497d |
children | 97d6932a309b |
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/* * Copyright (c) 2012, 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 static com.oracle.graal.hotspot.HotSpotBackend.*; import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; 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.*; /** * Removes the current frame and tail calls the uncommon trap routine. */ @Opcode("DEOPT_CALLER") final class AMD64HotSpotDeoptimizeCallerOp extends AMD64HotSpotEpilogueOp { private final DeoptimizationAction action; private final DeoptimizationReason reason; AMD64HotSpotDeoptimizeCallerOp(DeoptimizationAction action, DeoptimizationReason reason) { this.action = action; this.reason = reason; } @Override public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) { leaveFrameAndRestoreRbp(tasm, masm); HotSpotGraalRuntime runtime = graalRuntime(); Register thread = runtime.getRuntime().threadRegister(); masm.movl(new AMD64Address(thread, runtime.getConfig().pendingDeoptimizationOffset), tasm.runtime.encodeDeoptActionAndReason(action, reason)); AMD64Call.directJmp(tasm, masm, tasm.runtime.lookupForeignCall(UNCOMMON_TRAP)); } }