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Issue 585743002: X87: Move state sentinels into TypeFeedbackVector. (Closed) Base URL: https://github.com/v8/v8.git@bleeding_edge
Patch Set: Created 6 years, 3 months ago
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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_X87 7 #if V8_TARGET_ARCH_X87
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1108 __ add(esp, Immediate(kPointerSize)); 1108 __ add(esp, Immediate(kPointerSize));
1109 __ jmp(&exit); 1109 __ jmp(&exit);
1110 1110
1111 // We got a fixed array in register eax. Iterate through that. 1111 // We got a fixed array in register eax. Iterate through that.
1112 Label non_proxy; 1112 Label non_proxy;
1113 __ bind(&fixed_array); 1113 __ bind(&fixed_array);
1114 1114
1115 // No need for a write barrier, we are storing a Smi in the feedback vector. 1115 // No need for a write barrier, we are storing a Smi in the feedback vector.
1116 __ LoadHeapObject(ebx, FeedbackVector()); 1116 __ LoadHeapObject(ebx, FeedbackVector());
1117 __ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(slot)), 1117 __ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(slot)),
1118 Immediate(TypeFeedbackInfo::MegamorphicSentinel(isolate()))); 1118 Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate())));
1119 1119
1120 __ mov(ebx, Immediate(Smi::FromInt(1))); // Smi indicates slow check 1120 __ mov(ebx, Immediate(Smi::FromInt(1))); // Smi indicates slow check
1121 __ mov(ecx, Operand(esp, 0 * kPointerSize)); // Get enumerated object 1121 __ mov(ecx, Operand(esp, 0 * kPointerSize)); // Get enumerated object
1122 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE); 1122 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE);
1123 __ CmpObjectType(ecx, LAST_JS_PROXY_TYPE, ecx); 1123 __ CmpObjectType(ecx, LAST_JS_PROXY_TYPE, ecx);
1124 __ j(above, &non_proxy); 1124 __ j(above, &non_proxy);
1125 __ Move(ebx, Immediate(Smi::FromInt(0))); // Zero indicates proxy 1125 __ Move(ebx, Immediate(Smi::FromInt(0))); // Zero indicates proxy
1126 __ bind(&non_proxy); 1126 __ bind(&non_proxy);
1127 __ push(ebx); // Smi 1127 __ push(ebx); // Smi
1128 __ push(eax); // Array 1128 __ push(eax); // Array
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4816 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 4816 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
4817 Assembler::target_address_at(call_target_address, 4817 Assembler::target_address_at(call_target_address,
4818 unoptimized_code)); 4818 unoptimized_code));
4819 return OSR_AFTER_STACK_CHECK; 4819 return OSR_AFTER_STACK_CHECK;
4820 } 4820 }
4821 4821
4822 4822
4823 } } // namespace v8::internal 4823 } } // namespace v8::internal
4824 4824
4825 #endif // V8_TARGET_ARCH_X87 4825 #endif // V8_TARGET_ARCH_X87
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