Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotSafepointOp.java @ 21400:33d3be2548d6
removed cache for intermediate graphs in ReplacementsImpl since graph building inlining is now used
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 15 May 2015 13:45:06 +0200 |
parents | 96ab2078eeaf |
children | 15a46a918fc1 |
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1 /* |
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2 * Copyright (c) 2011, 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 static com.oracle.graal.sparc.SPARC.*; |
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26 |
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27 import com.oracle.graal.api.code.*; |
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28 import com.oracle.graal.api.meta.*; |
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29 import com.oracle.graal.asm.sparc.*; |
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30 import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Setx; |
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31 import com.oracle.graal.hotspot.*; |
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32 import com.oracle.graal.hotspot.meta.HotSpotCodeCacheProvider.MarkId; |
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33 import com.oracle.graal.lir.*; |
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34 import com.oracle.graal.lir.asm.*; |
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35 import com.oracle.graal.lir.gen.*; |
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36 import com.oracle.graal.lir.sparc.*; |
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37 |
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38 import edu.umd.cs.findbugs.annotations.*; |
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39 |
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40 /** |
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41 * Emits a safepoint poll. |
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42 */ |
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43 @Opcode("SAFEPOINT") |
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44 public class SPARCHotSpotSafepointOp extends SPARCLIRInstruction { |
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45 public static final LIRInstructionClass<SPARCHotSpotSafepointOp> TYPE = LIRInstructionClass.create(SPARCHotSpotSafepointOp.class); |
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46 |
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47 @State protected LIRFrameState state; |
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48 @SuppressFBWarnings(value = "BC_IMPOSSIBLE_CAST", justification = "changed by the register allocator") @Temp({OperandFlag.REG}) private AllocatableValue temp; |
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49 |
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50 private final HotSpotVMConfig config; |
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51 |
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52 public SPARCHotSpotSafepointOp(LIRFrameState state, HotSpotVMConfig config, LIRGeneratorTool tool) { |
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53 super(TYPE); |
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54 this.state = state; |
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55 this.config = config; |
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56 this.temp = tool.newVariable(LIRKind.value(tool.target().wordKind)); |
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57 } |
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58 |
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59 @Override |
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60 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { |
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61 Register scratch = ((RegisterValue) temp).getRegister(); |
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62 emitCode(crb, masm, config, false, state, scratch); |
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63 } |
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64 |
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65 public static void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm, HotSpotVMConfig config, boolean atReturn, LIRFrameState state, Register scratch) { |
10913 | 66 new Setx(config.safepointPollingAddress, scratch).emit(masm); |
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67 MarkId.recordMark(crb, atReturn ? MarkId.POLL_RETURN_FAR : MarkId.POLL_FAR); |
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68 final int pos = masm.position(); |
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69 masm.ldx(new SPARCAddress(scratch, 0), g0); |
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70 if (state != null) { |
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71 crb.recordInfopoint(pos, state, InfopointReason.SAFEPOINT); |
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72 } |
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73 } |
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74 } |