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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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2432 // instanceof stub. | 2432 // instanceof stub. |
2433 Label cache_miss; | 2433 Label cache_miss; |
2434 Register map = temp; | 2434 Register map = temp; |
2435 __ lw(map, FieldMemOperand(object, HeapObject::kMapOffset)); | 2435 __ lw(map, FieldMemOperand(object, HeapObject::kMapOffset)); |
2436 | 2436 |
2437 Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_); | 2437 Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_); |
2438 __ bind(deferred->map_check()); // Label for calculating code patching. | 2438 __ bind(deferred->map_check()); // Label for calculating code patching. |
2439 // We use Factory::the_hole_value() on purpose instead of loading from the | 2439 // We use Factory::the_hole_value() on purpose instead of loading from the |
2440 // root array to force relocation to be able to later patch with | 2440 // root array to force relocation to be able to later patch with |
2441 // the cached map. | 2441 // the cached map. |
2442 Handle<JSGlobalPropertyCell> cell = | 2442 Handle<PropertyCell> cell = |
2443 factory()->NewJSGlobalPropertyCell(factory()->the_hole_value()); | 2443 factory()->NewPropertyCell(factory()->the_hole_value()); |
2444 __ li(at, Operand(Handle<Object>(cell))); | 2444 __ li(at, Operand(Handle<Object>(cell))); |
2445 __ lw(at, FieldMemOperand(at, JSGlobalPropertyCell::kValueOffset)); | 2445 __ lw(at, FieldMemOperand(at, PropertyCell::kValueOffset)); |
2446 __ Branch(&cache_miss, ne, map, Operand(at)); | 2446 __ Branch(&cache_miss, ne, map, Operand(at)); |
2447 // We use Factory::the_hole_value() on purpose instead of loading from the | 2447 // We use Factory::the_hole_value() on purpose instead of loading from the |
2448 // root array to force relocation to be able to later patch | 2448 // root array to force relocation to be able to later patch |
2449 // with true or false. | 2449 // with true or false. |
2450 __ li(result, Operand(factory()->the_hole_value()), CONSTANT_SIZE); | 2450 __ li(result, Operand(factory()->the_hole_value()), CONSTANT_SIZE); |
2451 __ Branch(&done); | 2451 __ Branch(&done); |
2452 | 2452 |
2453 // The inlined call site cache did not match. Check null and string before | 2453 // The inlined call site cache did not match. Check null and string before |
2454 // calling the deferred code. | 2454 // calling the deferred code. |
2455 __ bind(&cache_miss); | 2455 __ bind(&cache_miss); |
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2589 | 2589 |
2590 if (no_frame_start != -1) { | 2590 if (no_frame_start != -1) { |
2591 info_->AddNoFrameRange(no_frame_start, masm_->pc_offset()); | 2591 info_->AddNoFrameRange(no_frame_start, masm_->pc_offset()); |
2592 } | 2592 } |
2593 } | 2593 } |
2594 | 2594 |
2595 | 2595 |
2596 void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) { | 2596 void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) { |
2597 Register result = ToRegister(instr->result()); | 2597 Register result = ToRegister(instr->result()); |
2598 __ li(at, Operand(Handle<Object>(instr->hydrogen()->cell()))); | 2598 __ li(at, Operand(Handle<Object>(instr->hydrogen()->cell()))); |
2599 __ lw(result, FieldMemOperand(at, JSGlobalPropertyCell::kValueOffset)); | 2599 __ lw(result, FieldMemOperand(at, PropertyCell::kValueOffset)); |
2600 if (instr->hydrogen()->RequiresHoleCheck()) { | 2600 if (instr->hydrogen()->RequiresHoleCheck()) { |
2601 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 2601 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
2602 DeoptimizeIf(eq, instr->environment(), result, Operand(at)); | 2602 DeoptimizeIf(eq, instr->environment(), result, Operand(at)); |
2603 } | 2603 } |
2604 } | 2604 } |
2605 | 2605 |
2606 | 2606 |
2607 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) { | 2607 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) { |
2608 ASSERT(ToRegister(instr->global_object()).is(a0)); | 2608 ASSERT(ToRegister(instr->global_object()).is(a0)); |
2609 ASSERT(ToRegister(instr->result()).is(v0)); | 2609 ASSERT(ToRegister(instr->result()).is(v0)); |
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2623 // Load the cell. | 2623 // Load the cell. |
2624 __ li(cell, Operand(instr->hydrogen()->cell())); | 2624 __ li(cell, Operand(instr->hydrogen()->cell())); |
2625 | 2625 |
2626 // If the cell we are storing to contains the hole it could have | 2626 // If the cell we are storing to contains the hole it could have |
2627 // been deleted from the property dictionary. In that case, we need | 2627 // been deleted from the property dictionary. In that case, we need |
2628 // to update the property details in the property dictionary to mark | 2628 // to update the property details in the property dictionary to mark |
2629 // it as no longer deleted. | 2629 // it as no longer deleted. |
2630 if (instr->hydrogen()->RequiresHoleCheck()) { | 2630 if (instr->hydrogen()->RequiresHoleCheck()) { |
2631 // We use a temp to check the payload. | 2631 // We use a temp to check the payload. |
2632 Register payload = ToRegister(instr->temp()); | 2632 Register payload = ToRegister(instr->temp()); |
2633 __ lw(payload, FieldMemOperand(cell, JSGlobalPropertyCell::kValueOffset)); | 2633 __ lw(payload, FieldMemOperand(cell, PropertyCell::kValueOffset)); |
2634 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 2634 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
2635 DeoptimizeIf(eq, instr->environment(), payload, Operand(at)); | 2635 DeoptimizeIf(eq, instr->environment(), payload, Operand(at)); |
2636 } | 2636 } |
2637 | 2637 |
2638 // Store the value. | 2638 // Store the value. |
2639 __ sw(value, FieldMemOperand(cell, JSGlobalPropertyCell::kValueOffset)); | 2639 __ sw(value, FieldMemOperand(cell, PropertyCell::kValueOffset)); |
2640 // Cells are always rescanned, so no write barrier here. | 2640 // Cells are always rescanned, so no write barrier here. |
2641 } | 2641 } |
2642 | 2642 |
2643 | 2643 |
2644 void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) { | 2644 void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) { |
2645 ASSERT(ToRegister(instr->global_object()).is(a1)); | 2645 ASSERT(ToRegister(instr->global_object()).is(a1)); |
2646 ASSERT(ToRegister(instr->value()).is(a0)); | 2646 ASSERT(ToRegister(instr->value()).is(a0)); |
2647 | 2647 |
2648 __ li(a2, Operand(instr->name())); | 2648 __ li(a2, Operand(instr->name())); |
2649 Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode) | 2649 Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode) |
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4994 } | 4994 } |
4995 } | 4995 } |
4996 | 4996 |
4997 | 4997 |
4998 void LCodeGen::DoCheckFunction(LCheckFunction* instr) { | 4998 void LCodeGen::DoCheckFunction(LCheckFunction* instr) { |
4999 Register reg = ToRegister(instr->value()); | 4999 Register reg = ToRegister(instr->value()); |
5000 Handle<JSFunction> target = instr->hydrogen()->target(); | 5000 Handle<JSFunction> target = instr->hydrogen()->target(); |
5001 AllowDeferredHandleDereference smi_check; | 5001 AllowDeferredHandleDereference smi_check; |
5002 if (isolate()->heap()->InNewSpace(*target)) { | 5002 if (isolate()->heap()->InNewSpace(*target)) { |
5003 Register reg = ToRegister(instr->value()); | 5003 Register reg = ToRegister(instr->value()); |
5004 Handle<JSGlobalPropertyCell> cell = | 5004 Handle<PropertyCell> cell = isolate()->factory()->NewPropertyCell(target); |
5005 isolate()->factory()->NewJSGlobalPropertyCell(target); | |
5006 __ li(at, Operand(Handle<Object>(cell))); | 5005 __ li(at, Operand(Handle<Object>(cell))); |
5007 __ lw(at, FieldMemOperand(at, JSGlobalPropertyCell::kValueOffset)); | 5006 __ lw(at, FieldMemOperand(at, PropertyCell::kValueOffset)); |
5008 DeoptimizeIf(ne, instr->environment(), reg, | 5007 DeoptimizeIf(ne, instr->environment(), reg, |
5009 Operand(at)); | 5008 Operand(at)); |
5010 } else { | 5009 } else { |
5011 DeoptimizeIf(ne, instr->environment(), reg, | 5010 DeoptimizeIf(ne, instr->environment(), reg, |
5012 Operand(target)); | 5011 Operand(target)); |
5013 } | 5012 } |
5014 } | 5013 } |
5015 | 5014 |
5016 | 5015 |
5017 void LCodeGen::DoCheckMapCommon(Register map_reg, | 5016 void LCodeGen::DoCheckMapCommon(Register map_reg, |
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5666 __ Subu(scratch, result, scratch); | 5665 __ Subu(scratch, result, scratch); |
5667 __ lw(result, FieldMemOperand(scratch, | 5666 __ lw(result, FieldMemOperand(scratch, |
5668 FixedArray::kHeaderSize - kPointerSize)); | 5667 FixedArray::kHeaderSize - kPointerSize)); |
5669 __ bind(&done); | 5668 __ bind(&done); |
5670 } | 5669 } |
5671 | 5670 |
5672 | 5671 |
5673 #undef __ | 5672 #undef __ |
5674 | 5673 |
5675 } } // namespace v8::internal | 5674 } } // namespace v8::internal |
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