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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/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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5313 __ JumpIfSmi(input, false_label, false_distance); | 5313 __ JumpIfSmi(input, false_label, false_distance); |
5314 __ CmpObjectType(input, SYMBOL_TYPE, input); | 5314 __ CmpObjectType(input, SYMBOL_TYPE, input); |
5315 final_branch_condition = equal; | 5315 final_branch_condition = equal; |
5316 | 5316 |
5317 } else if (String::Equals(type_name, factory()->boolean_string())) { | 5317 } else if (String::Equals(type_name, factory()->boolean_string())) { |
5318 __ cmp(input, factory()->true_value()); | 5318 __ cmp(input, factory()->true_value()); |
5319 __ j(equal, true_label, true_distance); | 5319 __ j(equal, true_label, true_distance); |
5320 __ cmp(input, factory()->false_value()); | 5320 __ cmp(input, factory()->false_value()); |
5321 final_branch_condition = equal; | 5321 final_branch_condition = equal; |
5322 | 5322 |
5323 } else if (FLAG_harmony_typeof && | |
5324 String::Equals(type_name, factory()->null_string())) { | |
5325 __ cmp(input, factory()->null_value()); | |
5326 final_branch_condition = equal; | |
5327 | |
5328 } else if (String::Equals(type_name, factory()->undefined_string())) { | 5323 } else if (String::Equals(type_name, factory()->undefined_string())) { |
5329 __ cmp(input, factory()->undefined_value()); | 5324 __ cmp(input, factory()->undefined_value()); |
5330 __ j(equal, true_label, true_distance); | 5325 __ j(equal, true_label, true_distance); |
5331 __ JumpIfSmi(input, false_label, false_distance); | 5326 __ JumpIfSmi(input, false_label, false_distance); |
5332 // Check for undetectable objects => true. | 5327 // Check for undetectable objects => true. |
5333 __ mov(input, FieldOperand(input, HeapObject::kMapOffset)); | 5328 __ mov(input, FieldOperand(input, HeapObject::kMapOffset)); |
5334 __ test_b(FieldOperand(input, Map::kBitFieldOffset), | 5329 __ test_b(FieldOperand(input, Map::kBitFieldOffset), |
5335 1 << Map::kIsUndetectable); | 5330 1 << Map::kIsUndetectable); |
5336 final_branch_condition = not_zero; | 5331 final_branch_condition = not_zero; |
5337 | 5332 |
5338 } else if (String::Equals(type_name, factory()->function_string())) { | 5333 } else if (String::Equals(type_name, factory()->function_string())) { |
5339 STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); | 5334 STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); |
5340 __ JumpIfSmi(input, false_label, false_distance); | 5335 __ JumpIfSmi(input, false_label, false_distance); |
5341 __ CmpObjectType(input, JS_FUNCTION_TYPE, input); | 5336 __ CmpObjectType(input, JS_FUNCTION_TYPE, input); |
5342 __ j(equal, true_label, true_distance); | 5337 __ j(equal, true_label, true_distance); |
5343 __ CmpInstanceType(input, JS_FUNCTION_PROXY_TYPE); | 5338 __ CmpInstanceType(input, JS_FUNCTION_PROXY_TYPE); |
5344 final_branch_condition = equal; | 5339 final_branch_condition = equal; |
5345 | 5340 |
5346 } else if (String::Equals(type_name, factory()->object_string())) { | 5341 } else if (String::Equals(type_name, factory()->object_string())) { |
5347 __ JumpIfSmi(input, false_label, false_distance); | 5342 __ JumpIfSmi(input, false_label, false_distance); |
5348 if (!FLAG_harmony_typeof) { | 5343 __ cmp(input, factory()->null_value()); |
5349 __ cmp(input, factory()->null_value()); | 5344 __ j(equal, true_label, true_distance); |
5350 __ j(equal, true_label, true_distance); | |
5351 } | |
5352 __ CmpObjectType(input, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, input); | 5345 __ CmpObjectType(input, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, input); |
5353 __ j(below, false_label, false_distance); | 5346 __ j(below, false_label, false_distance); |
5354 __ CmpInstanceType(input, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); | 5347 __ CmpInstanceType(input, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); |
5355 __ j(above, false_label, false_distance); | 5348 __ j(above, false_label, false_distance); |
5356 // Check for undetectable objects => false. | 5349 // Check for undetectable objects => false. |
5357 __ test_b(FieldOperand(input, Map::kBitFieldOffset), | 5350 __ test_b(FieldOperand(input, Map::kBitFieldOffset), |
5358 1 << Map::kIsUndetectable); | 5351 1 << Map::kIsUndetectable); |
5359 final_branch_condition = zero; | 5352 final_branch_condition = zero; |
5360 | 5353 |
5361 } else { | 5354 } else { |
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5662 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5655 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5663 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5656 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5664 } | 5657 } |
5665 | 5658 |
5666 | 5659 |
5667 #undef __ | 5660 #undef __ |
5668 | 5661 |
5669 } } // namespace v8::internal | 5662 } } // namespace v8::internal |
5670 | 5663 |
5671 #endif // V8_TARGET_ARCH_IA32 | 5664 #endif // V8_TARGET_ARCH_IA32 |
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