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