Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallEpilogueOp.java @ 14521:29ccc4cbabca
Merge
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 12 Mar 2014 13:30:08 +0100 |
parents | 1a66453f73db |
children | 403b07a69400 |
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/* * Copyright (c) 2012, 2013, 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.sparc.SPARC.*; import com.oracle.graal.api.code.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCAssembler.Stw; import com.oracle.graal.asm.sparc.SPARCAssembler.Stx; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Mov; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.*; @Opcode("CRUNTIME_CALL_EPILOGUE") final class SPARCHotSpotCRuntimeCallEpilogueOp extends SPARCLIRInstruction { private final int threadLastJavaSpOffset; private final int threadLastJavaPcOffset; private final int threadJavaFrameAnchorFlagsOffset; private final Register thread; public SPARCHotSpotCRuntimeCallEpilogueOp(int threadLastJavaSpOffset, int threadLastJavaPcOffset, int threadJavaFrameAnchorFlagsOffset, Register thread) { this.threadLastJavaSpOffset = threadLastJavaSpOffset; this.threadLastJavaPcOffset = threadLastJavaPcOffset; this.threadJavaFrameAnchorFlagsOffset = threadJavaFrameAnchorFlagsOffset; this.thread = thread; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { // Restore the thread register when coming back from the runtime. new Mov(l7, thread).emit(masm); // Reset last Java frame, last Java PC and flags. new Stx(g0, new SPARCAddress(thread, threadLastJavaSpOffset)).emit(masm); new Stx(g0, new SPARCAddress(thread, threadLastJavaPcOffset)).emit(masm); new Stw(g0, new SPARCAddress(thread, threadJavaFrameAnchorFlagsOffset)).emit(masm); } }