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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_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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3201 __ JumpIfSmi(rax, &null); | 3201 __ JumpIfSmi(rax, &null); |
3202 | 3202 |
3203 // Check that the object is a JS object but take special care of JS | 3203 // Check that the object is a JS object but take special care of JS |
3204 // functions to make sure they have 'Function' as their class. | 3204 // functions to make sure they have 'Function' as their class. |
3205 // Assume that there are only two callable types, and one of them is at | 3205 // Assume that there are only two callable types, and one of them is at |
3206 // either end of the type range for JS object types. Saves extra comparisons. | 3206 // either end of the type range for JS object types. Saves extra comparisons. |
3207 STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); | 3207 STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); |
3208 __ CmpObjectType(rax, FIRST_JS_RECEIVER_TYPE, rax); | 3208 __ CmpObjectType(rax, FIRST_JS_RECEIVER_TYPE, rax); |
3209 // Map is now in rax. | 3209 // Map is now in rax. |
3210 __ j(below, &null); | 3210 __ j(below, &null); |
3211 STATIC_ASSERT(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE == | |
3212 FIRST_JS_RECEIVER_TYPE + 1); | |
3213 __ j(equal, &function); | |
3214 | 3211 |
3215 __ CmpInstanceType(rax, LAST_JS_RECEIVER_TYPE); | 3212 __ CmpInstanceType(rax, LAST_JS_RECEIVER_TYPE); |
3216 STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE == | 3213 STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE == |
3217 LAST_JS_RECEIVER_TYPE - 1); | 3214 LAST_JS_RECEIVER_TYPE - 1); |
3218 __ j(equal, &function); | 3215 __ j(equal, &function); |
3219 // Assume that there is no larger type. | 3216 // Assume that there is no larger type. |
3220 STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE == LAST_TYPE - 1); | 3217 STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE == LAST_TYPE - 1); |
3221 | 3218 |
3222 // Check if the constructor in the map is a JS function. | 3219 // Check if the constructor in the map is a JS function. |
3223 __ GetMapConstructor(rax, rax, rbx); | 3220 __ GetMapConstructor(rax, rax, rbx); |
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4831 Assembler::target_address_at(call_target_address, | 4828 Assembler::target_address_at(call_target_address, |
4832 unoptimized_code)); | 4829 unoptimized_code)); |
4833 return OSR_AFTER_STACK_CHECK; | 4830 return OSR_AFTER_STACK_CHECK; |
4834 } | 4831 } |
4835 | 4832 |
4836 | 4833 |
4837 } // namespace internal | 4834 } // namespace internal |
4838 } // namespace v8 | 4835 } // namespace v8 |
4839 | 4836 |
4840 #endif // V8_TARGET_ARCH_X64 | 4837 #endif // V8_TARGET_ARCH_X64 |
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