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annotate graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotReturnOp.java @ 21673:5024c80224c7

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moved com.oracle.graal.[amd64|sparc] to com.oracle.jvmci.[amd64|sparc] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 02 Jun 2015 22:11:52 +0200
parents 48c1ebd24120
children 6df25b1418be
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1 /*
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2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.sparc;
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24
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25 import com.oracle.jvmci.meta.Value;
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26 import com.oracle.jvmci.sparc.*;
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27
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28 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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29
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30 import com.oracle.graal.asm.sparc.*;
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31 import com.oracle.graal.lir.*;
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32 import com.oracle.graal.lir.asm.*;
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33 import com.oracle.graal.lir.sparc.SPARCControlFlow.ReturnOp;
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34 import com.oracle.jvmci.hotspot.*;
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35
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36 /**
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37 * Returns from a function.
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38 */
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39 @Opcode("RETURN")
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40 final class SPARCHotSpotReturnOp extends SPARCHotSpotEpilogueOp {
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41 public static final LIRInstructionClass<SPARCHotSpotReturnOp> TYPE = LIRInstructionClass.create(SPARCHotSpotReturnOp.class);
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42
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43 @Use({REG, ILLEGAL}) protected Value value;
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44 private final boolean isStub;
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45 private final HotSpotVMConfig config;
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46
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47 SPARCHotSpotReturnOp(Value value, boolean isStub, HotSpotVMConfig config) {
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48 super(TYPE);
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49 this.value = value;
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50 this.isStub = isStub;
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51 this.config = config;
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52 }
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53
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54 @Override
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55 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
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56 if (!isStub) {
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57 // Every non-stub compile method must have a poll before the return.
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58 // Using the same scratch register as LIR_Assembler::return_op
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59 // in c1_LIRAssembler_sparc.cpp
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60 SPARCHotSpotSafepointOp.emitCode(crb, masm, config, true, null, SPARC.l0);
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61 }
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62 ReturnOp.emitCodeHelper(crb, masm);
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63 }
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64 }