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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_MIPS. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. |
6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
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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1610 } | 1610 } |
1611 | 1611 |
1612 | 1612 |
1613 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1613 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1614 __ Comment("GuardFieldClassInstr"); | 1614 __ Comment("GuardFieldClassInstr"); |
1615 | 1615 |
1616 const intptr_t value_cid = value()->Type()->ToCid(); | 1616 const intptr_t value_cid = value()->Type()->ToCid(); |
1617 const intptr_t field_cid = field().guarded_cid(); | 1617 const intptr_t field_cid = field().guarded_cid(); |
1618 const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid; | 1618 const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid; |
1619 | 1619 |
1620 ASSERT(field_cid != kDynamicCid); | 1620 if (field_cid == kDynamicCid) { |
| 1621 ASSERT(!compiler->is_optimizing()); |
| 1622 return; // Nothing to emit. |
| 1623 } |
1621 | 1624 |
1622 const bool emit_full_guard = | 1625 const bool emit_full_guard = |
1623 !compiler->is_optimizing() || (field_cid == kIllegalCid); | 1626 !compiler->is_optimizing() || (field_cid == kIllegalCid); |
1624 | 1627 |
1625 const bool needs_value_cid_temp_reg = | 1628 const bool needs_value_cid_temp_reg = |
1626 (value_cid == kDynamicCid) && (emit_full_guard || (field_cid != kSmiCid)); | 1629 (value_cid == kDynamicCid) && (emit_full_guard || (field_cid != kSmiCid)); |
1627 | 1630 |
1628 const bool needs_field_temp_reg = emit_full_guard; | 1631 const bool needs_field_temp_reg = emit_full_guard; |
1629 | 1632 |
1630 const Register value_reg = locs()->in(0).reg(); | 1633 const Register value_reg = locs()->in(0).reg(); |
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1761 LocationSummary* summary = new(zone) LocationSummary( | 1764 LocationSummary* summary = new(zone) LocationSummary( |
1762 zone, kNumInputs, 0, LocationSummary::kNoCall); | 1765 zone, kNumInputs, 0, LocationSummary::kNoCall); |
1763 summary->set_in(0, Location::RequiresRegister()); | 1766 summary->set_in(0, Location::RequiresRegister()); |
1764 return summary; | 1767 return summary; |
1765 } | 1768 } |
1766 UNREACHABLE(); | 1769 UNREACHABLE(); |
1767 } | 1770 } |
1768 | 1771 |
1769 | 1772 |
1770 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1773 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
1771 ASSERT(field().guarded_list_length() != Field::kNoFixedLength); | 1774 if (field().guarded_list_length() == Field::kNoFixedLength) { |
| 1775 ASSERT(!compiler->is_optimizing()); |
| 1776 return; // Nothing to emit. |
| 1777 } |
1772 | 1778 |
1773 Label* deopt = compiler->is_optimizing() ? | 1779 Label* deopt = compiler->is_optimizing() ? |
1774 compiler->AddDeoptStub(deopt_id(), ICData::kDeoptGuardField) : NULL; | 1780 compiler->AddDeoptStub(deopt_id(), ICData::kDeoptGuardField) : NULL; |
1775 | 1781 |
1776 const Register value_reg = locs()->in(0).reg(); | 1782 const Register value_reg = locs()->in(0).reg(); |
1777 | 1783 |
1778 if (!compiler->is_optimizing() || | 1784 if (!compiler->is_optimizing() || |
1779 (field().guarded_list_length() == Field::kUnknownFixedLength)) { | 1785 (field().guarded_list_length() == Field::kUnknownFixedLength)) { |
1780 const Register field_reg = locs()->temp(0).reg(); | 1786 const Register field_reg = locs()->temp(0).reg(); |
1781 | 1787 |
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5620 1, | 5626 1, |
5621 locs()); | 5627 locs()); |
5622 __ lw(result, Address(SP, 1 * kWordSize)); | 5628 __ lw(result, Address(SP, 1 * kWordSize)); |
5623 __ addiu(SP, SP, Immediate(2 * kWordSize)); | 5629 __ addiu(SP, SP, Immediate(2 * kWordSize)); |
5624 } | 5630 } |
5625 | 5631 |
5626 | 5632 |
5627 } // namespace dart | 5633 } // namespace dart |
5628 | 5634 |
5629 #endif // defined TARGET_ARCH_MIPS | 5635 #endif // defined TARGET_ARCH_MIPS |
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