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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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4518 Label* if_false = NULL; | 4518 Label* if_false = NULL; |
4519 Label* fall_through = NULL; | 4519 Label* fall_through = NULL; |
4520 context()->PrepareTest(&materialize_true, &materialize_false, | 4520 context()->PrepareTest(&materialize_true, &materialize_false, |
4521 &if_true, &if_false, &fall_through); | 4521 &if_true, &if_false, &fall_through); |
4522 | 4522 |
4523 { AccumulatorValueContext context(this); | 4523 { AccumulatorValueContext context(this); |
4524 VisitForTypeofValue(sub_expr); | 4524 VisitForTypeofValue(sub_expr); |
4525 } | 4525 } |
4526 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | 4526 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
4527 | 4527 |
4528 if (check->Equals(isolate()->heap()->number_string())) { | 4528 Factory* factory = isolate()->factory(); |
| 4529 if (String::Equals(check, factory->number_string())) { |
4529 __ JumpIfSmi(r0, if_true); | 4530 __ JumpIfSmi(r0, if_true); |
4530 __ ldr(r0, FieldMemOperand(r0, HeapObject::kMapOffset)); | 4531 __ ldr(r0, FieldMemOperand(r0, HeapObject::kMapOffset)); |
4531 __ LoadRoot(ip, Heap::kHeapNumberMapRootIndex); | 4532 __ LoadRoot(ip, Heap::kHeapNumberMapRootIndex); |
4532 __ cmp(r0, ip); | 4533 __ cmp(r0, ip); |
4533 Split(eq, if_true, if_false, fall_through); | 4534 Split(eq, if_true, if_false, fall_through); |
4534 } else if (check->Equals(isolate()->heap()->string_string())) { | 4535 } else if (String::Equals(check, factory->string_string())) { |
4535 __ JumpIfSmi(r0, if_false); | 4536 __ JumpIfSmi(r0, if_false); |
4536 // Check for undetectable objects => false. | 4537 // Check for undetectable objects => false. |
4537 __ CompareObjectType(r0, r0, r1, FIRST_NONSTRING_TYPE); | 4538 __ CompareObjectType(r0, r0, r1, FIRST_NONSTRING_TYPE); |
4538 __ b(ge, if_false); | 4539 __ b(ge, if_false); |
4539 __ ldrb(r1, FieldMemOperand(r0, Map::kBitFieldOffset)); | 4540 __ ldrb(r1, FieldMemOperand(r0, Map::kBitFieldOffset)); |
4540 __ tst(r1, Operand(1 << Map::kIsUndetectable)); | 4541 __ tst(r1, Operand(1 << Map::kIsUndetectable)); |
4541 Split(eq, if_true, if_false, fall_through); | 4542 Split(eq, if_true, if_false, fall_through); |
4542 } else if (check->Equals(isolate()->heap()->symbol_string())) { | 4543 } else if (String::Equals(check, factory->symbol_string())) { |
4543 __ JumpIfSmi(r0, if_false); | 4544 __ JumpIfSmi(r0, if_false); |
4544 __ CompareObjectType(r0, r0, r1, SYMBOL_TYPE); | 4545 __ CompareObjectType(r0, r0, r1, SYMBOL_TYPE); |
4545 Split(eq, if_true, if_false, fall_through); | 4546 Split(eq, if_true, if_false, fall_through); |
4546 } else if (check->Equals(isolate()->heap()->boolean_string())) { | 4547 } else if (String::Equals(check, factory->boolean_string())) { |
4547 __ CompareRoot(r0, Heap::kTrueValueRootIndex); | 4548 __ CompareRoot(r0, Heap::kTrueValueRootIndex); |
4548 __ b(eq, if_true); | 4549 __ b(eq, if_true); |
4549 __ CompareRoot(r0, Heap::kFalseValueRootIndex); | 4550 __ CompareRoot(r0, Heap::kFalseValueRootIndex); |
4550 Split(eq, if_true, if_false, fall_through); | 4551 Split(eq, if_true, if_false, fall_through); |
4551 } else if (FLAG_harmony_typeof && | 4552 } else if (FLAG_harmony_typeof && |
4552 check->Equals(isolate()->heap()->null_string())) { | 4553 String::Equals(check, factory->null_string())) { |
4553 __ CompareRoot(r0, Heap::kNullValueRootIndex); | 4554 __ CompareRoot(r0, Heap::kNullValueRootIndex); |
4554 Split(eq, if_true, if_false, fall_through); | 4555 Split(eq, if_true, if_false, fall_through); |
4555 } else if (check->Equals(isolate()->heap()->undefined_string())) { | 4556 } else if (String::Equals(check, factory->undefined_string())) { |
4556 __ CompareRoot(r0, Heap::kUndefinedValueRootIndex); | 4557 __ CompareRoot(r0, Heap::kUndefinedValueRootIndex); |
4557 __ b(eq, if_true); | 4558 __ b(eq, if_true); |
4558 __ JumpIfSmi(r0, if_false); | 4559 __ JumpIfSmi(r0, if_false); |
4559 // Check for undetectable objects => true. | 4560 // Check for undetectable objects => true. |
4560 __ ldr(r0, FieldMemOperand(r0, HeapObject::kMapOffset)); | 4561 __ ldr(r0, FieldMemOperand(r0, HeapObject::kMapOffset)); |
4561 __ ldrb(r1, FieldMemOperand(r0, Map::kBitFieldOffset)); | 4562 __ ldrb(r1, FieldMemOperand(r0, Map::kBitFieldOffset)); |
4562 __ tst(r1, Operand(1 << Map::kIsUndetectable)); | 4563 __ tst(r1, Operand(1 << Map::kIsUndetectable)); |
4563 Split(ne, if_true, if_false, fall_through); | 4564 Split(ne, if_true, if_false, fall_through); |
4564 | 4565 |
4565 } else if (check->Equals(isolate()->heap()->function_string())) { | 4566 } else if (String::Equals(check, factory->function_string())) { |
4566 __ JumpIfSmi(r0, if_false); | 4567 __ JumpIfSmi(r0, if_false); |
4567 STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); | 4568 STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); |
4568 __ CompareObjectType(r0, r0, r1, JS_FUNCTION_TYPE); | 4569 __ CompareObjectType(r0, r0, r1, JS_FUNCTION_TYPE); |
4569 __ b(eq, if_true); | 4570 __ b(eq, if_true); |
4570 __ cmp(r1, Operand(JS_FUNCTION_PROXY_TYPE)); | 4571 __ cmp(r1, Operand(JS_FUNCTION_PROXY_TYPE)); |
4571 Split(eq, if_true, if_false, fall_through); | 4572 Split(eq, if_true, if_false, fall_through); |
4572 } else if (check->Equals(isolate()->heap()->object_string())) { | 4573 } else if (String::Equals(check, factory->object_string())) { |
4573 __ JumpIfSmi(r0, if_false); | 4574 __ JumpIfSmi(r0, if_false); |
4574 if (!FLAG_harmony_typeof) { | 4575 if (!FLAG_harmony_typeof) { |
4575 __ CompareRoot(r0, Heap::kNullValueRootIndex); | 4576 __ CompareRoot(r0, Heap::kNullValueRootIndex); |
4576 __ b(eq, if_true); | 4577 __ b(eq, if_true); |
4577 } | 4578 } |
4578 // Check for JS objects => true. | 4579 // Check for JS objects => true. |
4579 __ CompareObjectType(r0, r0, r1, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE); | 4580 __ CompareObjectType(r0, r0, r1, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE); |
4580 __ b(lt, if_false); | 4581 __ b(lt, if_false); |
4581 __ CompareInstanceType(r0, r1, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); | 4582 __ CompareInstanceType(r0, r1, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); |
4582 __ b(gt, if_false); | 4583 __ b(gt, if_false); |
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4929 | 4930 |
4930 ASSERT(interrupt_address == | 4931 ASSERT(interrupt_address == |
4931 isolate->builtins()->OsrAfterStackCheck()->entry()); | 4932 isolate->builtins()->OsrAfterStackCheck()->entry()); |
4932 return OSR_AFTER_STACK_CHECK; | 4933 return OSR_AFTER_STACK_CHECK; |
4933 } | 4934 } |
4934 | 4935 |
4935 | 4936 |
4936 } } // namespace v8::internal | 4937 } } // namespace v8::internal |
4937 | 4938 |
4938 #endif // V8_TARGET_ARCH_ARM | 4939 #endif // V8_TARGET_ARCH_ARM |
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