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Side by Side Diff: dart/runtime/vm/stub_code_mips.cc

Issue 59073003: Version 0.8.10.4 (Closed) Base URL: http://dart.googlecode.com/svn/trunk/
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_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/code_generator.h" 9 #include "vm/code_generator.h"
10 #include "vm/compiler.h" 10 #include "vm/compiler.h"
(...skipping 1326 matching lines...) Expand 10 before | Expand all | Expand 10 after
1337 __ LoadImmediate(T7, reinterpret_cast<intptr_t>(Object::null())); 1337 __ LoadImmediate(T7, reinterpret_cast<intptr_t>(Object::null()));
1338 1338
1339 // Initialize the remaining words of the object. 1339 // Initialize the remaining words of the object.
1340 // T2: new object start. 1340 // T2: new object start.
1341 // T3: next object start. 1341 // T3: next object start.
1342 // T1: new object type arguments (if is_cls_parameterized). 1342 // T1: new object type arguments (if is_cls_parameterized).
1343 // First try inlining the initialization without a loop. 1343 // First try inlining the initialization without a loop.
1344 if (instance_size < (kInlineInstanceSize * kWordSize)) { 1344 if (instance_size < (kInlineInstanceSize * kWordSize)) {
1345 // Check if the object contains any non-header fields. 1345 // Check if the object contains any non-header fields.
1346 // Small objects are initialized using a consecutive set of writes. 1346 // Small objects are initialized using a consecutive set of writes.
1347 for (intptr_t current_offset = sizeof(RawObject); 1347 for (intptr_t current_offset = Instance::NextFieldOffset();
1348 current_offset < instance_size; 1348 current_offset < instance_size;
1349 current_offset += kWordSize) { 1349 current_offset += kWordSize) {
1350 __ sw(T7, Address(T2, current_offset)); 1350 __ sw(T7, Address(T2, current_offset));
1351 } 1351 }
1352 } else { 1352 } else {
1353 __ addiu(T4, T2, Immediate(sizeof(RawObject))); 1353 __ addiu(T4, T2, Immediate(Instance::NextFieldOffset()));
1354 // Loop until the whole object is initialized. 1354 // Loop until the whole object is initialized.
1355 // T2: new object. 1355 // T2: new object.
1356 // T3: next object start. 1356 // T3: next object start.
1357 // T4: next word to be initialized. 1357 // T4: next word to be initialized.
1358 // T1: new object type arguments (if is_cls_parameterized). 1358 // T1: new object type arguments (if is_cls_parameterized).
1359 Label loop, loop_exit; 1359 Label loop, loop_exit;
1360 __ BranchUnsignedGreaterEqual(T4, T3, &loop_exit); 1360 __ BranchUnsignedGreaterEqual(T4, T3, &loop_exit);
1361 __ Bind(&loop); 1361 __ Bind(&loop);
1362 __ addiu(T4, T4, Immediate(kWordSize)); 1362 __ addiu(T4, T4, Immediate(kWordSize));
1363 __ bne(T4, T3, &loop); 1363 __ bne(T4, T3, &loop);
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2432 __ lw(left, Address(SP, 1 * kWordSize)); 2432 __ lw(left, Address(SP, 1 * kWordSize));
2433 __ lw(temp2, Address(SP, 2 * kWordSize)); 2433 __ lw(temp2, Address(SP, 2 * kWordSize));
2434 __ lw(temp1, Address(SP, 3 * kWordSize)); 2434 __ lw(temp1, Address(SP, 3 * kWordSize));
2435 __ Ret(); 2435 __ Ret();
2436 __ delay_slot()->addiu(SP, SP, Immediate(4 * kWordSize)); 2436 __ delay_slot()->addiu(SP, SP, Immediate(4 * kWordSize));
2437 } 2437 }
2438 2438
2439 } // namespace dart 2439 } // namespace dart
2440 2440
2441 #endif // defined TARGET_ARCH_MIPS 2441 #endif // defined TARGET_ARCH_MIPS
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