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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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3513 __ b(eq, &global_object); | 3513 __ b(eq, &global_object); |
3514 | 3514 |
3515 // Deoptimize if the receiver is not a JS object. | 3515 // Deoptimize if the receiver is not a JS object. |
3516 __ SmiTst(receiver); | 3516 __ SmiTst(receiver); |
3517 DeoptimizeIf(eq, instr->environment()); | 3517 DeoptimizeIf(eq, instr->environment()); |
3518 __ CompareObjectType(receiver, scratch, scratch, FIRST_SPEC_OBJECT_TYPE); | 3518 __ CompareObjectType(receiver, scratch, scratch, FIRST_SPEC_OBJECT_TYPE); |
3519 DeoptimizeIf(lt, instr->environment()); | 3519 DeoptimizeIf(lt, instr->environment()); |
3520 __ b(&result_in_receiver); | 3520 __ b(&result_in_receiver); |
3521 | 3521 |
3522 __ bind(&global_object); | 3522 __ bind(&global_object); |
3523 __ ldr(receiver, FieldMemOperand(function, JSFunction::kContextOffset)); | 3523 __ ldr(result, FieldMemOperand(function, JSFunction::kContextOffset)); |
3524 __ ldr(receiver, | 3524 __ ldr(result, |
3525 ContextOperand(receiver, Context::GLOBAL_OBJECT_INDEX)); | 3525 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX)); |
3526 __ ldr(receiver, | 3526 __ ldr(result, |
3527 FieldMemOperand(receiver, GlobalObject::kGlobalReceiverOffset)); | 3527 FieldMemOperand(result, GlobalObject::kGlobalReceiverOffset)); |
3528 | 3528 |
3529 if (result.is(receiver)) { | 3529 if (result.is(receiver)) { |
3530 __ bind(&result_in_receiver); | 3530 __ bind(&result_in_receiver); |
3531 } else { | 3531 } else { |
3532 Label result_ok; | 3532 Label result_ok; |
3533 __ b(&result_ok); | 3533 __ b(&result_ok); |
3534 __ bind(&result_in_receiver); | 3534 __ bind(&result_in_receiver); |
3535 __ mov(result, receiver); | 3535 __ mov(result, receiver); |
3536 __ bind(&result_ok); | 3536 __ bind(&result_ok); |
3537 } | 3537 } |
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5818 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); | 5818 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); |
5819 __ ldr(result, FieldMemOperand(scratch, | 5819 __ ldr(result, FieldMemOperand(scratch, |
5820 FixedArray::kHeaderSize - kPointerSize)); | 5820 FixedArray::kHeaderSize - kPointerSize)); |
5821 __ bind(&done); | 5821 __ bind(&done); |
5822 } | 5822 } |
5823 | 5823 |
5824 | 5824 |
5825 #undef __ | 5825 #undef __ |
5826 | 5826 |
5827 } } // namespace v8::internal | 5827 } } // namespace v8::internal |
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