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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_IA32. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. |
6 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
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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5756 | 5756 |
5757 | 5757 |
5758 void CheckClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 5758 void CheckClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
5759 Label* deopt = compiler->AddDeoptStub(deopt_id(), | 5759 Label* deopt = compiler->AddDeoptStub(deopt_id(), |
5760 ICData::kDeoptCheckClass, | 5760 ICData::kDeoptCheckClass, |
5761 licm_hoisted_ ? ICData::kHoisted : 0); | 5761 licm_hoisted_ ? ICData::kHoisted : 0); |
5762 if (IsNullCheck()) { | 5762 if (IsNullCheck()) { |
5763 const Immediate& raw_null = | 5763 const Immediate& raw_null = |
5764 Immediate(reinterpret_cast<intptr_t>(Object::null())); | 5764 Immediate(reinterpret_cast<intptr_t>(Object::null())); |
5765 __ cmpl(locs()->in(0).reg(), raw_null); | 5765 __ cmpl(locs()->in(0).reg(), raw_null); |
5766 __ j(EQUAL, deopt); | 5766 ASSERT(DeoptIfNull() || DeoptIfNotNull()); |
| 5767 Condition cond = DeoptIfNull() ? EQUAL : NOT_EQUAL; |
| 5768 __ j(cond, deopt); |
5767 return; | 5769 return; |
5768 } | 5770 } |
5769 | 5771 |
5770 ASSERT((unary_checks().GetReceiverClassIdAt(0) != kSmiCid) || | 5772 ASSERT((unary_checks().GetReceiverClassIdAt(0) != kSmiCid) || |
5771 (unary_checks().NumberOfChecks() > 1)); | 5773 (unary_checks().NumberOfChecks() > 1)); |
5772 Register value = locs()->in(0).reg(); | 5774 Register value = locs()->in(0).reg(); |
5773 Register temp = locs()->temp(0).reg(); | 5775 Register temp = locs()->temp(0).reg(); |
5774 Label is_ok; | 5776 Label is_ok; |
5775 if (unary_checks().GetReceiverClassIdAt(0) == kSmiCid) { | 5777 if (unary_checks().GetReceiverClassIdAt(0) == kSmiCid) { |
5776 __ testl(value, Immediate(kSmiTagMask)); | 5778 __ testl(value, Immediate(kSmiTagMask)); |
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6874 __ Drop(1); | 6876 __ Drop(1); |
6875 __ popl(result); | 6877 __ popl(result); |
6876 } | 6878 } |
6877 | 6879 |
6878 | 6880 |
6879 } // namespace dart | 6881 } // namespace dart |
6880 | 6882 |
6881 #undef __ | 6883 #undef __ |
6882 | 6884 |
6883 #endif // defined TARGET_ARCH_IA32 | 6885 #endif // defined TARGET_ARCH_IA32 |
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