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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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" // Needed here to get TARGET_ARCH_ARM64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM64. |
6 #if defined(TARGET_ARCH_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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1436 | 1436 |
1437 return summary; | 1437 return summary; |
1438 } | 1438 } |
1439 | 1439 |
1440 | 1440 |
1441 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1441 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1442 const intptr_t value_cid = value()->Type()->ToCid(); | 1442 const intptr_t value_cid = value()->Type()->ToCid(); |
1443 const intptr_t field_cid = field().guarded_cid(); | 1443 const intptr_t field_cid = field().guarded_cid(); |
1444 const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid; | 1444 const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid; |
1445 | 1445 |
1446 ASSERT(field_cid != kDynamicCid); | 1446 if (field_cid == kDynamicCid) { |
| 1447 ASSERT(!compiler->is_optimizing()); |
| 1448 return; // Nothing to emit. |
| 1449 } |
1447 | 1450 |
1448 const bool emit_full_guard = | 1451 const bool emit_full_guard = |
1449 !compiler->is_optimizing() || (field_cid == kIllegalCid); | 1452 !compiler->is_optimizing() || (field_cid == kIllegalCid); |
1450 | 1453 |
1451 const bool needs_value_cid_temp_reg = emit_full_guard || | 1454 const bool needs_value_cid_temp_reg = emit_full_guard || |
1452 ((value_cid == kDynamicCid) && (field_cid != kSmiCid)); | 1455 ((value_cid == kDynamicCid) && (field_cid != kSmiCid)); |
1453 | 1456 |
1454 const bool needs_field_temp_reg = emit_full_guard; | 1457 const bool needs_field_temp_reg = emit_full_guard; |
1455 | 1458 |
1456 const Register value_reg = locs()->in(0).reg(); | 1459 const Register value_reg = locs()->in(0).reg(); |
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1584 LocationSummary* summary = new(zone) LocationSummary( | 1587 LocationSummary* summary = new(zone) LocationSummary( |
1585 zone, kNumInputs, 0, LocationSummary::kNoCall); | 1588 zone, kNumInputs, 0, LocationSummary::kNoCall); |
1586 summary->set_in(0, Location::RequiresRegister()); | 1589 summary->set_in(0, Location::RequiresRegister()); |
1587 return summary; | 1590 return summary; |
1588 } | 1591 } |
1589 UNREACHABLE(); | 1592 UNREACHABLE(); |
1590 } | 1593 } |
1591 | 1594 |
1592 | 1595 |
1593 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1596 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1594 ASSERT(field().guarded_list_length() != Field::kNoFixedLength); | 1597 if (field().guarded_list_length() == Field::kNoFixedLength) { |
| 1598 ASSERT(!compiler->is_optimizing()); |
| 1599 return; // Nothing to emit. |
| 1600 } |
1595 | 1601 |
1596 Label* deopt = compiler->is_optimizing() ? | 1602 Label* deopt = compiler->is_optimizing() ? |
1597 compiler->AddDeoptStub(deopt_id(), ICData::kDeoptGuardField) : NULL; | 1603 compiler->AddDeoptStub(deopt_id(), ICData::kDeoptGuardField) : NULL; |
1598 | 1604 |
1599 const Register value_reg = locs()->in(0).reg(); | 1605 const Register value_reg = locs()->in(0).reg(); |
1600 | 1606 |
1601 if (!compiler->is_optimizing() || | 1607 if (!compiler->is_optimizing() || |
1602 (field().guarded_list_length() == Field::kUnknownFixedLength)) { | 1608 (field().guarded_list_length() == Field::kUnknownFixedLength)) { |
1603 const Register field_reg = locs()->temp(0).reg(); | 1609 const Register field_reg = locs()->temp(0).reg(); |
1604 const Register offset_reg = locs()->temp(1).reg(); | 1610 const Register offset_reg = locs()->temp(1).reg(); |
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5640 1, | 5646 1, |
5641 locs()); | 5647 locs()); |
5642 __ Drop(1); | 5648 __ Drop(1); |
5643 __ Pop(result); | 5649 __ Pop(result); |
5644 } | 5650 } |
5645 | 5651 |
5646 | 5652 |
5647 } // namespace dart | 5653 } // namespace dart |
5648 | 5654 |
5649 #endif // defined TARGET_ARCH_ARM64 | 5655 #endif // defined TARGET_ARCH_ARM64 |
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