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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" // Needed here to get TARGET_ARCH_ARM. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. |
6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/cpu.h" | 10 #include "vm/cpu.h" |
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1573 | 1573 |
1574 return summary; | 1574 return summary; |
1575 } | 1575 } |
1576 | 1576 |
1577 | 1577 |
1578 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1578 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1579 const intptr_t value_cid = value()->Type()->ToCid(); | 1579 const intptr_t value_cid = value()->Type()->ToCid(); |
1580 const intptr_t field_cid = field().guarded_cid(); | 1580 const intptr_t field_cid = field().guarded_cid(); |
1581 const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid; | 1581 const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid; |
1582 | 1582 |
1583 if (field_cid == kDynamicCid) { | 1583 ASSERT(field_cid != kDynamicCid); |
1584 ASSERT(!compiler->is_optimizing()); | |
1585 return; // Nothing to emit. | |
1586 } | |
1587 | 1584 |
1588 const bool emit_full_guard = | 1585 const bool emit_full_guard = |
1589 !compiler->is_optimizing() || (field_cid == kIllegalCid); | 1586 !compiler->is_optimizing() || (field_cid == kIllegalCid); |
1590 | 1587 |
1591 const bool needs_value_cid_temp_reg = emit_full_guard || | 1588 const bool needs_value_cid_temp_reg = emit_full_guard || |
1592 ((value_cid == kDynamicCid) && (field_cid != kSmiCid)); | 1589 ((value_cid == kDynamicCid) && (field_cid != kSmiCid)); |
1593 | 1590 |
1594 const bool needs_field_temp_reg = emit_full_guard; | 1591 const bool needs_field_temp_reg = emit_full_guard; |
1595 | 1592 |
1596 const Register value_reg = locs()->in(0).reg(); | 1593 const Register value_reg = locs()->in(0).reg(); |
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1728 zone, kNumInputs, kNumTemps, LocationSummary::kNoCall); | 1725 zone, kNumInputs, kNumTemps, LocationSummary::kNoCall); |
1729 summary->set_in(0, Location::RequiresRegister()); | 1726 summary->set_in(0, Location::RequiresRegister()); |
1730 summary->set_temp(0, Location::RequiresRegister()); | 1727 summary->set_temp(0, Location::RequiresRegister()); |
1731 return summary; | 1728 return summary; |
1732 } | 1729 } |
1733 UNREACHABLE(); | 1730 UNREACHABLE(); |
1734 } | 1731 } |
1735 | 1732 |
1736 | 1733 |
1737 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1734 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1738 if (field().guarded_list_length() == Field::kNoFixedLength) { | 1735 ASSERT(field().guarded_list_length() != Field::kNoFixedLength); |
1739 ASSERT(!compiler->is_optimizing()); | |
1740 return; // Nothing to emit. | |
1741 } | |
1742 | 1736 |
1743 Label* deopt = compiler->is_optimizing() ? | 1737 Label* deopt = compiler->is_optimizing() ? |
1744 compiler->AddDeoptStub(deopt_id(), ICData::kDeoptGuardField) : NULL; | 1738 compiler->AddDeoptStub(deopt_id(), ICData::kDeoptGuardField) : NULL; |
1745 | 1739 |
1746 const Register value_reg = locs()->in(0).reg(); | 1740 const Register value_reg = locs()->in(0).reg(); |
1747 | 1741 |
1748 if (!compiler->is_optimizing() || | 1742 if (!compiler->is_optimizing() || |
1749 (field().guarded_list_length() == Field::kUnknownFixedLength)) { | 1743 (field().guarded_list_length() == Field::kUnknownFixedLength)) { |
1750 const Register field_reg = locs()->temp(0).reg(); | 1744 const Register field_reg = locs()->temp(0).reg(); |
1751 const Register offset_reg = locs()->temp(1).reg(); | 1745 const Register offset_reg = locs()->temp(1).reg(); |
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6883 1, | 6877 1, |
6884 locs()); | 6878 locs()); |
6885 __ Drop(1); | 6879 __ Drop(1); |
6886 __ Pop(result); | 6880 __ Pop(result); |
6887 } | 6881 } |
6888 | 6882 |
6889 | 6883 |
6890 } // namespace dart | 6884 } // namespace dart |
6891 | 6885 |
6892 #endif // defined TARGET_ARCH_ARM | 6886 #endif // defined TARGET_ARCH_ARM |
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