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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotMove.java @ 18289:7acff34abbf7

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replaced HotSpotObjectConstantImpl.isCompressed() with HotSpotObjectConstant.isCompressed()
author Doug Simon <doug.simon@oracle.com>
date Thu, 06 Nov 2014 14:52:46 +0100
parents f7d45e2426d4
children c9d57a5fb655
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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1 /*
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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4 *
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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5 * This code is free software; you can redistribute it and/or modify it
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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6 * under the terms of the GNU General Public License version 2 only, as
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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7 * published by the Free Software Foundation.
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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8 *
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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12 * version 2 for more details (a copy is included in the LICENSE file that
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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13 * accompanied this code).
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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14 *
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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15 * You should have received a copy of the GNU General Public License version
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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16 * 2 along with this work; if not, write to the Free Software Foundation,
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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18 *
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
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20 * or visit www.oracle.com if you need additional information or have any
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
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21 * questions.
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
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22 */
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
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23 package com.oracle.graal.hotspot.amd64;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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26 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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27
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56bcde831179 support for compressed inputs to NullCheckNode
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28 import com.oracle.graal.amd64.*;
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.asm.*;
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32 import com.oracle.graal.asm.amd64.*;
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33 import com.oracle.graal.asm.amd64.AMD64Assembler.ConditionFlag;
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34 import com.oracle.graal.compiler.common.*;
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35 import com.oracle.graal.hotspot.HotSpotVMConfig.CompressEncoding;
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db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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36 import com.oracle.graal.hotspot.meta.*;
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37 import com.oracle.graal.lir.*;
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38 import com.oracle.graal.lir.StandardOp.MoveOp;
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39 import com.oracle.graal.lir.amd64.*;
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40 import com.oracle.graal.lir.amd64.AMD64Move.StoreConstantOp;
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41 import com.oracle.graal.lir.asm.*;
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42
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
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43 public class AMD64HotSpotMove {
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44
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45 public static class HotSpotLoadConstantOp extends AMD64LIRInstruction implements MoveOp {
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46
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47 @Def({REG, STACK}) private AllocatableValue result;
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48 private final JavaConstant input;
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49
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50 public HotSpotLoadConstantOp(AllocatableValue result, JavaConstant input) {
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51 this.result = result;
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52 this.input = input;
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53 }
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54
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55 @Override
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56 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
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57 if (HotSpotCompressedNullConstant.COMPRESSED_NULL.equals(input)) {
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58 if (isRegister(result)) {
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59 masm.movl(asRegister(result), 0);
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60 } else {
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61 assert isStackSlot(result);
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62 masm.movl((AMD64Address) crb.asAddress(result), 0);
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63 }
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64 } else if (input instanceof HotSpotObjectConstant) {
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7acff34abbf7 replaced HotSpotObjectConstantImpl.isCompressed() with HotSpotObjectConstant.isCompressed()
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65 boolean compressed = ((HotSpotObjectConstant) input).isCompressed();
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66 if (crb.target.inlineObjects) {
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67 crb.recordInlineDataInCode(input);
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68 if (isRegister(result)) {
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69 if (compressed) {
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70 masm.movl(asRegister(result), 0xDEADDEAD);
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71 } else {
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72 masm.movq(asRegister(result), 0xDEADDEADDEADDEADL);
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73 }
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74 } else {
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75 assert isStackSlot(result);
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76 if (compressed) {
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77 masm.movl((AMD64Address) crb.asAddress(result), 0xDEADDEAD);
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78 } else {
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79 throw GraalInternalError.shouldNotReachHere("Cannot store 64-bit constants to memory");
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80 }
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81 }
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82 } else {
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83 if (isRegister(result)) {
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84 AMD64Address address = (AMD64Address) crb.recordDataReferenceInCode(input, compressed ? 4 : 8);
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85 if (compressed) {
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86 masm.movl(asRegister(result), address);
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87 } else {
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88 masm.movq(asRegister(result), address);
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89 }
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90 } else {
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91 throw GraalInternalError.shouldNotReachHere("Cannot directly store data patch to memory");
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92 }
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93 }
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94 } else if (input instanceof HotSpotMetaspaceConstant) {
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95 assert input.getKind() == Kind.Int || input.getKind() == Kind.Long;
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96 boolean compressed = input.getKind() == Kind.Int;
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97 crb.recordInlineDataInCode(input);
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98 if (isRegister(result)) {
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99 if (compressed) {
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100 masm.movl(asRegister(result), input.asInt());
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101 } else {
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102 masm.movq(asRegister(result), input.asLong());
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103 }
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104 } else {
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105 assert isStackSlot(result);
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106 if (compressed) {
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107 masm.movl((AMD64Address) crb.asAddress(result), input.asInt());
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108 } else {
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109 throw GraalInternalError.shouldNotReachHere("Cannot store 64-bit constants to memory");
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110 }
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111 }
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112 } else {
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113 AMD64Move.move(crb, masm, result, input);
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114 }
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115 }
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116
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117 public Value getInput() {
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118 return input;
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119 }
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120
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121 public AllocatableValue getResult() {
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122 return result;
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123 }
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124 }
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125
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126 public static class HotSpotStoreConstantOp extends StoreConstantOp {
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127
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128 public HotSpotStoreConstantOp(Kind kind, AMD64AddressValue address, JavaConstant input, LIRFrameState state) {
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129 super(kind, address, input, state);
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130 }
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131
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132 @Override
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133 public void emitMemAccess(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
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134 if (input.isNull() && kind == Kind.Int) {
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135 // compressed null
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136 masm.movl(address.toAddress(), 0);
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parents: 15193
diff changeset
137 } else if (input instanceof HotSpotObjectConstant) {
18289
7acff34abbf7 replaced HotSpotObjectConstantImpl.isCompressed() with HotSpotObjectConstant.isCompressed()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
138 HotSpotObjectConstant c = (HotSpotObjectConstant) input;
7acff34abbf7 replaced HotSpotObjectConstantImpl.isCompressed() with HotSpotObjectConstant.isCompressed()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
139 if (c.isCompressed() && crb.target.inlineObjects) {
15909
e43591136d9f Support for compressed constants.
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diff changeset
140 // compressed oop
18176
c2270ad35f57 Better construction of data section and data patches.
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parents: 16710
diff changeset
141 crb.recordInlineDataInCode(input);
15909
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parents: 15193
diff changeset
142 masm.movl(address.toAddress(), 0xDEADDEAD);
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
143 } else {
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
144 // uncompressed oop
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diff changeset
145 throw GraalInternalError.shouldNotReachHere("Cannot store 64-bit constants to memory");
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diff changeset
146 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
147 } else if (input instanceof HotSpotMetaspaceConstant) {
e43591136d9f Support for compressed constants.
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parents: 15193
diff changeset
148 if (input.getKind() == Kind.Int) {
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diff changeset
149 // compressed metaspace pointer
18176
c2270ad35f57 Better construction of data section and data patches.
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parents: 16710
diff changeset
150 crb.recordInlineDataInCode(input);
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
151 masm.movl(address.toAddress(), input.asInt());
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Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
152 } else {
e43591136d9f Support for compressed constants.
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parents: 15193
diff changeset
153 // uncompressed metaspace pointer
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diff changeset
154 throw GraalInternalError.shouldNotReachHere("Cannot store 64-bit constants to memory");
e43591136d9f Support for compressed constants.
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parents: 15193
diff changeset
155 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
156 } else {
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Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
157 // primitive value
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Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
158 super.emitMemAccess(crb, masm);
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parents: 15193
diff changeset
159 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
160 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
161 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15193
diff changeset
162
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diff changeset
163 public static class CompressPointer extends AMD64LIRInstruction {
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164
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165 private final CompressEncoding encoding;
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166 private final boolean nonNull;
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167
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168 @Def({REG, HINT}) protected AllocatableValue result;
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diff changeset
169 @Use({REG}) protected AllocatableValue input;
15061
570132161721 Fix incorrect register allocator flags on (Un)CompressPointer ops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15058
diff changeset
170 @Alive({REG, ILLEGAL}) protected AllocatableValue baseRegister;
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171
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diff changeset
172 public CompressPointer(AllocatableValue result, AllocatableValue input, AllocatableValue baseRegister, CompressEncoding encoding, boolean nonNull) {
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diff changeset
173 this.result = result;
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diff changeset
174 this.input = input;
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diff changeset
175 this.baseRegister = baseRegister;
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parents: 14561
diff changeset
176 this.encoding = encoding;
15058
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
177 this.nonNull = nonNull;
14943
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diff changeset
178 }
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parents: 14561
diff changeset
179
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parents: 14561
diff changeset
180 @Override
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parents: 14561
diff changeset
181 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
15023
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
182 AMD64Move.move(Kind.Long, crb, masm, result, input);
15058
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
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parents: 15023
diff changeset
183
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
184 Register resReg = asRegister(result);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
185 if (encoding.base != 0) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
186 Register baseReg = asRegister(baseRegister);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
187 if (!nonNull) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
188 masm.testq(resReg, resReg);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
189 masm.cmovq(ConditionFlag.Equal, resReg, baseReg);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
190 }
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
191 masm.subq(resReg, baseReg);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
192 }
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
193
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
194 if (encoding.shift != 0) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
195 masm.shrq(resReg, encoding.shift);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
196 }
14943
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diff changeset
197 }
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
198 }
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
199
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
200 public static class UncompressPointer extends AMD64LIRInstruction {
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parents: 14561
diff changeset
201
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
202 private final CompressEncoding encoding;
15058
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
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parents: 15023
diff changeset
203 private final boolean nonNull;
14943
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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diff changeset
204
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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diff changeset
205 @Def({REG, HINT}) protected AllocatableValue result;
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
206 @Use({REG}) protected AllocatableValue input;
15061
570132161721 Fix incorrect register allocator flags on (Un)CompressPointer ops.
Roland Schatz <roland.schatz@oracle.com>
parents: 15058
diff changeset
207 @Alive({REG, ILLEGAL}) protected AllocatableValue baseRegister;
14943
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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diff changeset
208
15058
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
209 public UncompressPointer(AllocatableValue result, AllocatableValue input, AllocatableValue baseRegister, CompressEncoding encoding, boolean nonNull) {
14943
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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diff changeset
210 this.result = result;
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 14561
diff changeset
211 this.input = input;
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 14561
diff changeset
212 this.baseRegister = baseRegister;
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 14561
diff changeset
213 this.encoding = encoding;
15058
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
214 this.nonNull = nonNull;
14943
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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diff changeset
215 }
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
216
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
217 @Override
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 14561
diff changeset
218 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
15023
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
219 AMD64Move.move(Kind.Int, crb, masm, result, input);
15058
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
220
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
221 Register resReg = asRegister(result);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
222 if (encoding.shift != 0) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
223 masm.shlq(resReg, encoding.shift);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
224 }
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
225
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
226 if (encoding.base != 0) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
227 if (nonNull) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
228 masm.addq(resReg, asRegister(baseRegister));
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
229 } else {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
230 if (encoding.shift == 0) {
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
231 // if encoding.shift != 0, the flags are already set by the shlq
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
232 masm.testq(resReg, resReg);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
233 }
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
234
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
235 Label done = new Label();
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
236 masm.jccb(ConditionFlag.Equal, done);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
237 masm.addq(resReg, asRegister(baseRegister));
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
238 masm.bind(done);
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
239 }
895e9ecedfe8 Fix code generation for compressed metaspace pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15023
diff changeset
240 }
14943
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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diff changeset
241 }
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
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parents: 14561
diff changeset
242 }
e5a55d280f24 Floating nodes for compressing and uncompressing pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 14561
diff changeset
243
13520
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
244 public static void decodeKlassPointer(AMD64MacroAssembler masm, Register register, Register scratch, AMD64Address address, CompressEncoding encoding) {
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
245 masm.movl(register, address);
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
246 if (encoding.shift != 0) {
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
247 assert encoding.alignment == encoding.shift : "Decode algorithm is wrong";
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
248 masm.shlq(register, encoding.alignment);
12058
ccb4f2af2319 Adapt compressed pointers implementation for last HotSpot changes
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 11959
diff changeset
249 }
13520
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
250 if (encoding.base != 0) {
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
251 masm.movq(scratch, encoding.base);
fb7b39f07232 Embed compressed constants when possible and use more efficient patterns for encoding
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13227
diff changeset
252 masm.addq(register, scratch);
11474
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
253 }
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
254 }
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
255
16710
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
256 public static class CompressedNullCheckOp extends AMD64LIRInstruction {
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
257
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
258 @Use({COMPOSITE}) protected AMD64AddressValue address;
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
259 @State protected LIRFrameState state;
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
260
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
261 public CompressedNullCheckOp(AMD64AddressValue address, LIRFrameState state) {
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
262 this.address = address;
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
263 this.state = state;
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
264 }
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
265
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
266 @Override
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
267 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
268 crb.recordImplicitException(masm.position(), state);
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
269 masm.testl(AMD64.rax, address.toAddress());
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
270 }
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
271
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
272 public LIRFrameState getState() {
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
273 return state;
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
diff changeset
274 }
56bcde831179 support for compressed inputs to NullCheckNode
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15947
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275 }
11474
df18a4214c7c Move compressed pointers' logic to HotSpot specific move
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
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276 }