Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.aarch64/src/com/oracle/graal/hotspot/aarch64/AArch64HotSpotDirectStaticCallOp.java @ 23217:a1bfeec72458
AArch64 Graal Port
author | twisti |
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date | Thu, 24 Dec 2015 11:43:35 -1000 |
parents | |
children | 2160e7da7fb0 |
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/* * Copyright (c) 2013, 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.aarch64; import static jdk.vm.ci.hotspot.aarch64.AArch64HotSpotRegisterConfig.inlineCacheRegister; import com.oracle.graal.asm.aarch64.AArch64MacroAssembler; import com.oracle.graal.lir.LIRFrameState; import com.oracle.graal.lir.LIRInstructionClass; import com.oracle.graal.lir.Opcode; import com.oracle.graal.lir.aarch64.AArch64Call.DirectCallOp; import com.oracle.graal.lir.asm.CompilationResultBuilder; import com.oracle.graal.nodes.CallTargetNode.InvokeKind; import jdk.vm.ci.hotspot.HotSpotVMConfig; import jdk.vm.ci.meta.ResolvedJavaMethod; import jdk.vm.ci.meta.Value; /** * A direct call that complies with the conventions for such calls in HotSpot. In particular, for * calls using an inline cache, a MOVE instruction is emitted just prior to the aligned direct call. */ @Opcode("CALL_DIRECT") final class AArch64HotSpotDirectStaticCallOp extends DirectCallOp { public static final LIRInstructionClass<AArch64HotSpotDirectStaticCallOp> TYPE = LIRInstructionClass.create(AArch64HotSpotDirectStaticCallOp.class); private final InvokeKind invokeKind; private final HotSpotVMConfig config; public AArch64HotSpotDirectStaticCallOp(ResolvedJavaMethod target, Value result, Value[] parameters, Value[] temps, LIRFrameState state, InvokeKind invokeKind, HotSpotVMConfig config) { super(TYPE, target, result, parameters, temps, state); assert invokeKind.isDirect(); this.invokeKind = invokeKind; this.config = config; } @Override public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) { // The mark for an invocation that uses an inline cache must be placed at the // instruction that loads the Klass from the inline cache. // For the first invocation this is set to a bitpattern that is guaranteed to never be a // valid object which causes the called function to call a handler that installs the // correct inline cache value here. crb.recordMark(invokeKind == InvokeKind.Static ? config.MARKID_INVOKESTATIC : config.MARKID_INVOKESPECIAL); masm.forceMov(inlineCacheRegister, config.nonOopBits); super.emitCode(crb, masm); } }