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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 // Note on Mips implementation: | 9 // Note on Mips implementation: |
10 // | 10 // |
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1557 | 1557 |
1558 case Variable::LOOKUP: { | 1558 case Variable::LOOKUP: { |
1559 Comment cmnt(masm_, "[ Lookup variable"); | 1559 Comment cmnt(masm_, "[ Lookup variable"); |
1560 Label done, slow; | 1560 Label done, slow; |
1561 // Generate code for loading from variables potentially shadowed | 1561 // Generate code for loading from variables potentially shadowed |
1562 // by eval-introduced variables. | 1562 // by eval-introduced variables. |
1563 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); | 1563 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); |
1564 __ bind(&slow); | 1564 __ bind(&slow); |
1565 __ li(a1, Operand(var->name())); | 1565 __ li(a1, Operand(var->name())); |
1566 __ Push(cp, a1); // Context and name. | 1566 __ Push(cp, a1); // Context and name. |
1567 __ CallRuntime(Runtime::kLoadContextSlot, 2); | 1567 __ CallRuntime(Runtime::kLoadLookupSlot, 2); |
1568 __ bind(&done); | 1568 __ bind(&done); |
1569 context()->Plug(v0); | 1569 context()->Plug(v0); |
1570 } | 1570 } |
1571 } | 1571 } |
1572 } | 1572 } |
1573 | 1573 |
1574 | 1574 |
1575 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { | 1575 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { |
1576 Comment cmnt(masm_, "[ RegExpLiteral"); | 1576 Comment cmnt(masm_, "[ RegExpLiteral"); |
1577 Label materialized; | 1577 Label materialized; |
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2758 // by eval-introduced variables. | 2758 // by eval-introduced variables. |
2759 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); | 2759 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); |
2760 } | 2760 } |
2761 | 2761 |
2762 __ bind(&slow); | 2762 __ bind(&slow); |
2763 // Call the runtime to find the function to call (returned in v0) | 2763 // Call the runtime to find the function to call (returned in v0) |
2764 // and the object holding it (returned in v1). | 2764 // and the object holding it (returned in v1). |
2765 ASSERT(!context_register().is(a2)); | 2765 ASSERT(!context_register().is(a2)); |
2766 __ li(a2, Operand(proxy->name())); | 2766 __ li(a2, Operand(proxy->name())); |
2767 __ Push(context_register(), a2); | 2767 __ Push(context_register(), a2); |
2768 __ CallRuntime(Runtime::kLoadContextSlot, 2); | 2768 __ CallRuntime(Runtime::kLoadLookupSlot, 2); |
2769 __ Push(v0, v1); // Function, receiver. | 2769 __ Push(v0, v1); // Function, receiver. |
2770 | 2770 |
2771 // If fast case code has been generated, emit code to push the | 2771 // If fast case code has been generated, emit code to push the |
2772 // function and receiver and have the slow path jump around this | 2772 // function and receiver and have the slow path jump around this |
2773 // code. | 2773 // code. |
2774 if (done.is_linked()) { | 2774 if (done.is_linked()) { |
2775 Label call; | 2775 Label call; |
2776 __ Branch(&call); | 2776 __ Branch(&call); |
2777 __ bind(&done); | 2777 __ bind(&done); |
2778 // Push function. | 2778 // Push function. |
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4151 } else if (var->IsStackAllocated() || var->IsContextSlot()) { | 4151 } else if (var->IsStackAllocated() || var->IsContextSlot()) { |
4152 // Result of deleting non-global, non-dynamic variables is false. | 4152 // Result of deleting non-global, non-dynamic variables is false. |
4153 // The subexpression does not have side effects. | 4153 // The subexpression does not have side effects. |
4154 context()->Plug(var->is_this()); | 4154 context()->Plug(var->is_this()); |
4155 } else { | 4155 } else { |
4156 // Non-global variable. Call the runtime to try to delete from the | 4156 // Non-global variable. Call the runtime to try to delete from the |
4157 // context where the variable was introduced. | 4157 // context where the variable was introduced. |
4158 ASSERT(!context_register().is(a2)); | 4158 ASSERT(!context_register().is(a2)); |
4159 __ li(a2, Operand(var->name())); | 4159 __ li(a2, Operand(var->name())); |
4160 __ Push(context_register(), a2); | 4160 __ Push(context_register(), a2); |
4161 __ CallRuntime(Runtime::kDeleteContextSlot, 2); | 4161 __ CallRuntime(Runtime::kDeleteLookupSlot, 2); |
4162 context()->Plug(v0); | 4162 context()->Plug(v0); |
4163 } | 4163 } |
4164 } else { | 4164 } else { |
4165 // Result of deleting non-property, non-variable reference is true. | 4165 // Result of deleting non-property, non-variable reference is true. |
4166 // The subexpression may have side effects. | 4166 // The subexpression may have side effects. |
4167 VisitForEffect(expr->expression()); | 4167 VisitForEffect(expr->expression()); |
4168 context()->Plug(true); | 4168 context()->Plug(true); |
4169 } | 4169 } |
4170 break; | 4170 break; |
4171 } | 4171 } |
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4434 Comment cmnt(masm_, "[ Lookup slot"); | 4434 Comment cmnt(masm_, "[ Lookup slot"); |
4435 Label done, slow; | 4435 Label done, slow; |
4436 | 4436 |
4437 // Generate code for loading from variables potentially shadowed | 4437 // Generate code for loading from variables potentially shadowed |
4438 // by eval-introduced variables. | 4438 // by eval-introduced variables. |
4439 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); | 4439 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); |
4440 | 4440 |
4441 __ bind(&slow); | 4441 __ bind(&slow); |
4442 __ li(a0, Operand(proxy->name())); | 4442 __ li(a0, Operand(proxy->name())); |
4443 __ Push(cp, a0); | 4443 __ Push(cp, a0); |
4444 __ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2); | 4444 __ CallRuntime(Runtime::kLoadLookupSlotNoReferenceError, 2); |
4445 PrepareForBailout(expr, TOS_REG); | 4445 PrepareForBailout(expr, TOS_REG); |
4446 __ bind(&done); | 4446 __ bind(&done); |
4447 | 4447 |
4448 context()->Plug(v0); | 4448 context()->Plug(v0); |
4449 } else { | 4449 } else { |
4450 // This expression cannot throw a reference error at the top level. | 4450 // This expression cannot throw a reference error at the top level. |
4451 VisitInDuplicateContext(expr); | 4451 VisitInDuplicateContext(expr); |
4452 } | 4452 } |
4453 } | 4453 } |
4454 | 4454 |
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4854 Assembler::target_address_at(pc_immediate_load_address)) == | 4854 Assembler::target_address_at(pc_immediate_load_address)) == |
4855 reinterpret_cast<uint32_t>( | 4855 reinterpret_cast<uint32_t>( |
4856 isolate->builtins()->OsrAfterStackCheck()->entry())); | 4856 isolate->builtins()->OsrAfterStackCheck()->entry())); |
4857 return OSR_AFTER_STACK_CHECK; | 4857 return OSR_AFTER_STACK_CHECK; |
4858 } | 4858 } |
4859 | 4859 |
4860 | 4860 |
4861 } } // namespace v8::internal | 4861 } } // namespace v8::internal |
4862 | 4862 |
4863 #endif // V8_TARGET_ARCH_MIPS | 4863 #endif // V8_TARGET_ARCH_MIPS |
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