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Issue 51653006: Track live instance and allocation counts for classes (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years, 1 month ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_IA32) 6 #if defined(TARGET_ARCH_IA32)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/compiler.h" 9 #include "vm/compiler.h"
10 #include "vm/dart_entry.h" 10 #include "vm/dart_entry.h"
(...skipping 1113 matching lines...) Expand 10 before | Expand all | Expand 10 after
1124 // ECX: potential new object end and, if ECX != EBX, potential new 1124 // ECX: potential new object end and, if ECX != EBX, potential new
1125 // InstantiatedTypeArguments object start. 1125 // InstantiatedTypeArguments object start.
1126 } 1126 }
1127 // Check if the allocation fits into the remaining space. 1127 // Check if the allocation fits into the remaining space.
1128 // EAX: potential new object start. 1128 // EAX: potential new object start.
1129 // EBX: potential next object start. 1129 // EBX: potential next object start.
1130 __ cmpl(EBX, Address::Absolute(heap->EndAddress())); 1130 __ cmpl(EBX, Address::Absolute(heap->EndAddress()));
1131 if (FLAG_use_slow_path) { 1131 if (FLAG_use_slow_path) {
1132 __ jmp(&slow_case); 1132 __ jmp(&slow_case);
1133 } else { 1133 } else {
1134 __ j(ABOVE_EQUAL, &slow_case, Assembler::kNearJump); 1134 __ j(ABOVE_EQUAL, &slow_case);
1135 } 1135 }
1136 1136
1137 // Successfully allocated the object(s), now update top to point to 1137 // Successfully allocated the object(s), now update top to point to
1138 // next object start and initialize the object. 1138 // next object start and initialize the object.
1139 __ movl(Address::Absolute(heap->TopAddress()), EBX); 1139 __ movl(Address::Absolute(heap->TopAddress()), EBX);
1140 __ BumpAllocationCount(cls.id(), EDI);
1140 1141
1141 if (is_cls_parameterized) { 1142 if (is_cls_parameterized) {
1142 // Initialize the type arguments field in the object. 1143 // Initialize the type arguments field in the object.
1143 // EAX: new object start. 1144 // EAX: new object start.
1144 // ECX: potential new object end and, if ECX != EBX, potential new 1145 // ECX: potential new object end and, if ECX != EBX, potential new
1145 // InstantiatedTypeArguments object start. 1146 // InstantiatedTypeArguments object start.
1146 // EBX: next object start. 1147 // EBX: next object start.
1147 Label type_arguments_ready; 1148 Label type_arguments_ready;
1148 __ movl(EDI, Address(ESP, kObjectTypeArgumentsOffset)); 1149 __ movl(EDI, Address(ESP, kObjectTypeArgumentsOffset));
1149 __ cmpl(ECX, EBX); 1150 __ cmpl(ECX, EBX);
(...skipping 1058 matching lines...) Expand 10 before | Expand all | Expand 10 after
2208 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp); 2209 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
2209 __ popl(temp); 2210 __ popl(temp);
2210 __ popl(right); 2211 __ popl(right);
2211 __ popl(left); 2212 __ popl(left);
2212 __ ret(); 2213 __ ret();
2213 } 2214 }
2214 2215
2215 } // namespace dart 2216 } // namespace dart
2216 2217
2217 #endif // defined TARGET_ARCH_IA32 2218 #endif // defined TARGET_ARCH_IA32
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