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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/division-by-constant.h" | 8 #include "src/base/division-by-constant.h" |
9 #include "src/base/utils/random-number-generator.h" | 9 #include "src/base/utils/random-number-generator.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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1560 mov(result, FieldOperand(map, Map::kConstructorOrBackPointerOffset)); | 1560 mov(result, FieldOperand(map, Map::kConstructorOrBackPointerOffset)); |
1561 bind(&loop); | 1561 bind(&loop); |
1562 JumpIfSmi(result, &done, Label::kNear); | 1562 JumpIfSmi(result, &done, Label::kNear); |
1563 CmpObjectType(result, MAP_TYPE, temp); | 1563 CmpObjectType(result, MAP_TYPE, temp); |
1564 j(not_equal, &done, Label::kNear); | 1564 j(not_equal, &done, Label::kNear); |
1565 mov(result, FieldOperand(result, Map::kConstructorOrBackPointerOffset)); | 1565 mov(result, FieldOperand(result, Map::kConstructorOrBackPointerOffset)); |
1566 jmp(&loop); | 1566 jmp(&loop); |
1567 bind(&done); | 1567 bind(&done); |
1568 } | 1568 } |
1569 | 1569 |
1570 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { | 1570 void MacroAssembler::CallStub(CodeStub* stub) { |
1571 DCHECK(AllowThisStubCall(stub)); // Calls are not allowed in some stubs. | 1571 DCHECK(AllowThisStubCall(stub)); // Calls are not allowed in some stubs. |
1572 call(stub->GetCode(), RelocInfo::CODE_TARGET, ast_id); | 1572 call(stub->GetCode(), RelocInfo::CODE_TARGET); |
1573 } | 1573 } |
1574 | 1574 |
1575 | 1575 |
1576 void MacroAssembler::TailCallStub(CodeStub* stub) { | 1576 void MacroAssembler::TailCallStub(CodeStub* stub) { |
1577 jmp(stub->GetCode(), RelocInfo::CODE_TARGET); | 1577 jmp(stub->GetCode(), RelocInfo::CODE_TARGET); |
1578 } | 1578 } |
1579 | 1579 |
1580 | 1580 |
1581 | 1581 |
1582 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { | 1582 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { |
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2801 mov(eax, dividend); | 2801 mov(eax, dividend); |
2802 shr(eax, 31); | 2802 shr(eax, 31); |
2803 add(edx, eax); | 2803 add(edx, eax); |
2804 } | 2804 } |
2805 | 2805 |
2806 | 2806 |
2807 } // namespace internal | 2807 } // namespace internal |
2808 } // namespace v8 | 2808 } // namespace v8 |
2809 | 2809 |
2810 #endif // V8_TARGET_ARCH_IA32 | 2810 #endif // V8_TARGET_ARCH_IA32 |
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