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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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| 596 | 596 |
| 597 if (id == IC::kCallIC_Miss) { | 597 if (id == IC::kCallIC_Miss) { |
| 598 __ IncrementCounter(isolate->counters()->call_miss(), 1, r3, r4); | 598 __ IncrementCounter(isolate->counters()->call_miss(), 1, r3, r4); |
| 599 } else { | 599 } else { |
| 600 __ IncrementCounter(isolate->counters()->keyed_call_miss(), 1, r3, r4); | 600 __ IncrementCounter(isolate->counters()->keyed_call_miss(), 1, r3, r4); |
| 601 } | 601 } |
| 602 | 602 |
| 603 // Get the receiver of the function from the stack. | 603 // Get the receiver of the function from the stack. |
| 604 __ ldr(r3, MemOperand(sp, argc * kPointerSize)); | 604 __ ldr(r3, MemOperand(sp, argc * kPointerSize)); |
| 605 | 605 |
| 606 { | 606 __ EnterInternalFrame(); |
| 607 FrameScope scope(masm, StackFrame::INTERNAL); | |
| 608 | 607 |
| 609 // Push the receiver and the name of the function. | 608 // Push the receiver and the name of the function. |
| 610 __ Push(r3, r2); | 609 __ Push(r3, r2); |
| 611 | 610 |
| 612 // Call the entry. | 611 // Call the entry. |
| 613 __ mov(r0, Operand(2)); | 612 __ mov(r0, Operand(2)); |
| 614 __ mov(r1, Operand(ExternalReference(IC_Utility(id), isolate))); | 613 __ mov(r1, Operand(ExternalReference(IC_Utility(id), isolate))); |
| 615 | 614 |
| 616 CEntryStub stub(1); | 615 CEntryStub stub(1); |
| 617 __ CallStub(&stub); | 616 __ CallStub(&stub); |
| 618 | 617 |
| 619 // Move result to r1 and leave the internal frame. | 618 // Move result to r1 and leave the internal frame. |
| 620 __ mov(r1, Operand(r0)); | 619 __ mov(r1, Operand(r0)); |
| 621 } | 620 __ LeaveInternalFrame(); |
| 622 | 621 |
| 623 // Check if the receiver is a global object of some sort. | 622 // Check if the receiver is a global object of some sort. |
| 624 // This can happen only for regular CallIC but not KeyedCallIC. | 623 // This can happen only for regular CallIC but not KeyedCallIC. |
| 625 if (id == IC::kCallIC_Miss) { | 624 if (id == IC::kCallIC_Miss) { |
| 626 Label invoke, global; | 625 Label invoke, global; |
| 627 __ ldr(r2, MemOperand(sp, argc * kPointerSize)); // receiver | 626 __ ldr(r2, MemOperand(sp, argc * kPointerSize)); // receiver |
| 628 __ tst(r2, Operand(kSmiTagMask)); | 627 __ tst(r2, Operand(kSmiTagMask)); |
| 629 __ b(eq, &invoke); | 628 __ b(eq, &invoke); |
| 630 __ CompareObjectType(r2, r3, r3, JS_GLOBAL_OBJECT_TYPE); | 629 __ CompareObjectType(r2, r3, r3, JS_GLOBAL_OBJECT_TYPE); |
| 631 __ b(eq, &global); | 630 __ b(eq, &global); |
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| 744 __ mov(r0, Operand(r2, ASR, kSmiTagSize)); | 743 __ mov(r0, Operand(r2, ASR, kSmiTagSize)); |
| 745 // r0: untagged index | 744 // r0: untagged index |
| 746 GenerateNumberDictionaryLoad(masm, &slow_load, r4, r2, r1, r0, r3, r5); | 745 GenerateNumberDictionaryLoad(masm, &slow_load, r4, r2, r1, r0, r3, r5); |
| 747 __ IncrementCounter(counters->keyed_call_generic_smi_dict(), 1, r0, r3); | 746 __ IncrementCounter(counters->keyed_call_generic_smi_dict(), 1, r0, r3); |
| 748 __ jmp(&do_call); | 747 __ jmp(&do_call); |
| 749 | 748 |
| 750 __ bind(&slow_load); | 749 __ bind(&slow_load); |
| 751 // This branch is taken when calling KeyedCallIC_Miss is neither required | 750 // This branch is taken when calling KeyedCallIC_Miss is neither required |
| 752 // nor beneficial. | 751 // nor beneficial. |
| 753 __ IncrementCounter(counters->keyed_call_generic_slow_load(), 1, r0, r3); | 752 __ IncrementCounter(counters->keyed_call_generic_slow_load(), 1, r0, r3); |
| 754 { | 753 __ EnterInternalFrame(); |
| 755 FrameScope scope(masm, StackFrame::INTERNAL); | 754 __ push(r2); // save the key |
| 756 __ push(r2); // save the key | 755 __ Push(r1, r2); // pass the receiver and the key |
| 757 __ Push(r1, r2); // pass the receiver and the key | 756 __ CallRuntime(Runtime::kKeyedGetProperty, 2); |
| 758 __ CallRuntime(Runtime::kKeyedGetProperty, 2); | 757 __ pop(r2); // restore the key |
| 759 __ pop(r2); // restore the key | 758 __ LeaveInternalFrame(); |
| 760 } | |
| 761 __ mov(r1, r0); | 759 __ mov(r1, r0); |
| 762 __ jmp(&do_call); | 760 __ jmp(&do_call); |
| 763 | 761 |
| 764 __ bind(&check_string); | 762 __ bind(&check_string); |
| 765 GenerateKeyStringCheck(masm, r2, r0, r3, &index_string, &slow_call); | 763 GenerateKeyStringCheck(masm, r2, r0, r3, &index_string, &slow_call); |
| 766 | 764 |
| 767 // The key is known to be a symbol. | 765 // The key is known to be a symbol. |
| 768 // If the receiver is a regular JS object with slow properties then do | 766 // If the receiver is a regular JS object with slow properties then do |
| 769 // a quick inline probe of the receiver's dictionary. | 767 // a quick inline probe of the receiver's dictionary. |
| 770 // Otherwise do the monomorphic cache probe. | 768 // Otherwise do the monomorphic cache probe. |
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| 1556 Register reg = Assembler::GetRn(instr_at_patch); | 1554 Register reg = Assembler::GetRn(instr_at_patch); |
| 1557 patcher.masm()->tst(reg, Operand(kSmiTagMask)); | 1555 patcher.masm()->tst(reg, Operand(kSmiTagMask)); |
| 1558 patcher.EmitCondition(eq); | 1556 patcher.EmitCondition(eq); |
| 1559 } | 1557 } |
| 1560 } | 1558 } |
| 1561 | 1559 |
| 1562 | 1560 |
| 1563 } } // namespace v8::internal | 1561 } } // namespace v8::internal |
| 1564 | 1562 |
| 1565 #endif // V8_TARGET_ARCH_ARM | 1563 #endif // V8_TARGET_ARCH_ARM |
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