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Issue 2912863006: Inline instance object hash code into object header on 64 bit. (Closed)
Patch Set: Add assembler tests and other feedback from Ryan Created 3 years, 6 months 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_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
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"
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1207 } 1207 }
1208 // Successfully allocated the object(s), now update top to point to 1208 // Successfully allocated the object(s), now update top to point to
1209 // next object start and initialize the object. 1209 // next object start and initialize the object.
1210 __ sw(T3, Address(T5, Heap::TopOffset(space))); 1210 __ sw(T3, Address(T5, Heap::TopOffset(space)));
1211 NOT_IN_PRODUCT(__ UpdateAllocationStats(cls.id(), T5, space)); 1211 NOT_IN_PRODUCT(__ UpdateAllocationStats(cls.id(), T5, space));
1212 1212
1213 // T2: new object start. 1213 // T2: new object start.
1214 // T3: next object start. 1214 // T3: next object start.
1215 // T1: new object type arguments (if is_cls_parameterized). 1215 // T1: new object type arguments (if is_cls_parameterized).
1216 // Set the tags. 1216 // Set the tags.
1217 uword tags = 0; 1217 uint32_t tags = 0;
1218 tags = RawObject::SizeTag::update(instance_size, tags); 1218 tags = RawObject::SizeTag::update(instance_size, tags);
1219 ASSERT(cls.id() != kIllegalCid); 1219 ASSERT(cls.id() != kIllegalCid);
1220 tags = RawObject::ClassIdTag::update(cls.id(), tags); 1220 tags = RawObject::ClassIdTag::update(cls.id(), tags);
1221 __ LoadImmediate(T0, tags); 1221 __ LoadImmediate(T0, tags);
1222 __ sw(T0, Address(T2, Instance::tags_offset())); 1222 __ sw(T0, Address(T2, Instance::tags_offset()));
1223 1223
1224 __ LoadObject(T7, Object::null_object()); 1224 __ LoadObject(T7, Object::null_object());
1225 1225
1226 // Initialize the remaining words of the object. 1226 // Initialize the remaining words of the object.
1227 // T2: new object start. 1227 // T2: new object start.
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2449 } 2449 }
2450 2450
2451 2451
2452 void StubCode::GenerateAsynchronousGapMarkerStub(Assembler* assembler) { 2452 void StubCode::GenerateAsynchronousGapMarkerStub(Assembler* assembler) {
2453 __ break_(0); 2453 __ break_(0);
2454 } 2454 }
2455 2455
2456 } // namespace dart 2456 } // namespace dart
2457 2457
2458 #endif // defined TARGET_ARCH_MIPS 2458 #endif // defined TARGET_ARCH_MIPS
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