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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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2523 Register object = eax; // Object (lhs). | 2523 Register object = eax; // Object (lhs). |
2524 Register map = ebx; // Map of the object. | 2524 Register map = ebx; // Map of the object. |
2525 Register function = edx; // Function (rhs). | 2525 Register function = edx; // Function (rhs). |
2526 Register prototype = edi; // Prototype of the function. | 2526 Register prototype = edi; // Prototype of the function. |
2527 Register scratch = ecx; | 2527 Register scratch = ecx; |
2528 | 2528 |
2529 // Constants describing the call site code to patch. | 2529 // Constants describing the call site code to patch. |
2530 static const int kDeltaToCmpImmediate = 2; | 2530 static const int kDeltaToCmpImmediate = 2; |
2531 static const int kDeltaToMov = 8; | 2531 static const int kDeltaToMov = 8; |
2532 static const int kDeltaToMovImmediate = 9; | 2532 static const int kDeltaToMovImmediate = 9; |
2533 static const int8_t kCmpEdiOperandByte1 = BitCast<int8_t, uint8_t>(0x3b); | 2533 static const int8_t kCmpEdiOperandByte1 = bit_cast<int8_t, uint8_t>(0x3b); |
2534 static const int8_t kCmpEdiOperandByte2 = BitCast<int8_t, uint8_t>(0x3d); | 2534 static const int8_t kCmpEdiOperandByte2 = bit_cast<int8_t, uint8_t>(0x3d); |
2535 static const int8_t kMovEaxImmediateByte = BitCast<int8_t, uint8_t>(0xb8); | 2535 static const int8_t kMovEaxImmediateByte = bit_cast<int8_t, uint8_t>(0xb8); |
2536 | 2536 |
2537 DCHECK_EQ(object.code(), InstanceofStub::left().code()); | 2537 DCHECK_EQ(object.code(), InstanceofStub::left().code()); |
2538 DCHECK_EQ(function.code(), InstanceofStub::right().code()); | 2538 DCHECK_EQ(function.code(), InstanceofStub::right().code()); |
2539 | 2539 |
2540 // Get the object and function - they are always both needed. | 2540 // Get the object and function - they are always both needed. |
2541 Label slow, not_js_object; | 2541 Label slow, not_js_object; |
2542 if (!HasArgsInRegisters()) { | 2542 if (!HasArgsInRegisters()) { |
2543 __ mov(object, Operand(esp, 2 * kPointerSize)); | 2543 __ mov(object, Operand(esp, 2 * kPointerSize)); |
2544 __ mov(function, Operand(esp, 1 * kPointerSize)); | 2544 __ mov(function, Operand(esp, 1 * kPointerSize)); |
2545 } | 2545 } |
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4679 Operand(ebp, 7 * kPointerSize), | 4679 Operand(ebp, 7 * kPointerSize), |
4680 NULL); | 4680 NULL); |
4681 } | 4681 } |
4682 | 4682 |
4683 | 4683 |
4684 #undef __ | 4684 #undef __ |
4685 | 4685 |
4686 } } // namespace v8::internal | 4686 } } // namespace v8::internal |
4687 | 4687 |
4688 #endif // V8_TARGET_ARCH_IA32 | 4688 #endif // V8_TARGET_ARCH_IA32 |
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