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view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallPrologueOp.java @ 19018:52be1821f533
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Wed, 28 Jan 2015 19:56:03 -0800 |
parents | 2d401b9ca70d |
children | 8fc336a04d77 f1b4f2613702 |
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/* * Copyright (c) 2013, 2014, 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.lir.LIRInstruction.OperandFlag.*; import static com.oracle.graal.sparc.SPARC.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCAssembler.Add; import com.oracle.graal.asm.sparc.SPARCAssembler.Stx; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.sparc.*; @Opcode("CRUNTIME_CALL_PROLOGUE") final class SPARCHotSpotCRuntimeCallPrologueOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { private final int threadLastJavaSpOffset; private final Register thread; private final Register stackPointer; @Def({REG, STACK}) protected Value threadTemp; public SPARCHotSpotCRuntimeCallPrologueOp(int threadLastJavaSpOffset, Register thread, Register stackPointer, Value threadTemp) { this.threadLastJavaSpOffset = threadLastJavaSpOffset; this.thread = thread; this.stackPointer = stackPointer; this.threadTemp = threadTemp; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { // Save last Java frame. new Add(stackPointer, STACK_BIAS, g4).emit(masm); new Stx(g4, new SPARCAddress(thread, threadLastJavaSpOffset)).emit(masm); // Save the thread register when calling out to the runtime. SPARCMove.move(crb, masm, threadTemp, thread.asValue(LIRKind.value(Kind.Long)), delayedControlTransfer); } }