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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64PrefetchOp.java @ 17391:e890b86b397d

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default allocation profiling to AllocatedTypes
author Lukas Stadler <lukas.stadler@oracle.com>
date Thu, 09 Oct 2014 14:44:19 +0200
parents 96bb07a5d667
children 8fc336a04d77
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, 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
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24 package com.oracle.graal.hotspot.amd64;
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25
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26 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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27
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28 import com.oracle.graal.asm.amd64.*;
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29 import com.oracle.graal.compiler.common.*;
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30 import com.oracle.graal.lir.amd64.*;
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31 import com.oracle.graal.lir.asm.*;
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32
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33 public class AMD64PrefetchOp extends AMD64LIRInstruction {
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34
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35 private final int instr; // AllocatePrefetchInstr
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36 @Alive({COMPOSITE}) protected AMD64AddressValue address;
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37
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38 public AMD64PrefetchOp(AMD64AddressValue address, int instr) {
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39 this.address = address;
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40 this.instr = instr;
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41 }
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42
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43 @Override
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44 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
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45 switch (instr) {
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46 case 0:
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47 masm.prefetchnta(address.toAddress());
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48 break;
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49 case 1:
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50 masm.prefetcht0(address.toAddress());
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51 break;
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52 case 2:
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53 masm.prefetcht2(address.toAddress());
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54 break;
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55 case 3:
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56 masm.prefetchw(address.toAddress());
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57 break;
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58 default:
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59 throw GraalInternalError.shouldNotReachHere("unspported prefetch op " + instr);
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60
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61 }
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62 }
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63 }