Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotReturnOp.java @ 15805:dffc37fa7157
initialize HotSpotVMConfig fields efficiently from C++
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 20 May 2014 13:46:34 -0700 |
parents | 28f560605e77 |
children | ab86fa952750 |
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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.sparc; import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.SPARCControlFlow.ReturnOp; import com.oracle.graal.sparc.*; /** * Returns from a function. */ @Opcode("RETURN") final class SPARCHotSpotReturnOp extends SPARCHotSpotEpilogueOp { @Use({REG, ILLEGAL}) protected Value value; private final boolean isStub; SPARCHotSpotReturnOp(Value value, boolean isStub) { this.value = value; this.isStub = isStub; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { if (!isStub) { // Every non-stub compile method must have a poll before the return. // Using the same scratch register as LIR_Assembler::return_op // in c1_LIRAssembler_sparc.cpp SPARCHotSpotSafepointOp.emitCode(crb, masm, runtime().getConfig(), true, null, SPARC.l0); } ReturnOp.emitCodeHelper(crb, masm); } }