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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_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
| 8 | 8 |
| 9 // Note on Mips implementation: | 9 // Note on Mips implementation: |
| 10 // | 10 // |
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| 1554 | 1554 |
| 1555 case Variable::LOOKUP: { | 1555 case Variable::LOOKUP: { |
| 1556 Comment cmnt(masm_, "[ Lookup variable"); | 1556 Comment cmnt(masm_, "[ Lookup variable"); |
| 1557 Label done, slow; | 1557 Label done, slow; |
| 1558 // Generate code for loading from variables potentially shadowed | 1558 // Generate code for loading from variables potentially shadowed |
| 1559 // by eval-introduced variables. | 1559 // by eval-introduced variables. |
| 1560 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); | 1560 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); |
| 1561 __ bind(&slow); | 1561 __ bind(&slow); |
| 1562 __ li(a1, Operand(var->name())); | 1562 __ li(a1, Operand(var->name())); |
| 1563 __ Push(cp, a1); // Context and name. | 1563 __ Push(cp, a1); // Context and name. |
| 1564 __ CallRuntime(Runtime::kLoadContextSlot, 2); | 1564 __ CallRuntime(Runtime::kLoadLookupSlot, 2); |
| 1565 __ bind(&done); | 1565 __ bind(&done); |
| 1566 context()->Plug(v0); | 1566 context()->Plug(v0); |
| 1567 } | 1567 } |
| 1568 } | 1568 } |
| 1569 } | 1569 } |
| 1570 | 1570 |
| 1571 | 1571 |
| 1572 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { | 1572 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { |
| 1573 Comment cmnt(masm_, "[ RegExpLiteral"); | 1573 Comment cmnt(masm_, "[ RegExpLiteral"); |
| 1574 Label materialized; | 1574 Label materialized; |
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| 2755 // by eval-introduced variables. | 2755 // by eval-introduced variables. |
| 2756 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); | 2756 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); |
| 2757 } | 2757 } |
| 2758 | 2758 |
| 2759 __ bind(&slow); | 2759 __ bind(&slow); |
| 2760 // Call the runtime to find the function to call (returned in v0) | 2760 // Call the runtime to find the function to call (returned in v0) |
| 2761 // and the object holding it (returned in v1). | 2761 // and the object holding it (returned in v1). |
| 2762 ASSERT(!context_register().is(a2)); | 2762 ASSERT(!context_register().is(a2)); |
| 2763 __ li(a2, Operand(proxy->name())); | 2763 __ li(a2, Operand(proxy->name())); |
| 2764 __ Push(context_register(), a2); | 2764 __ Push(context_register(), a2); |
| 2765 __ CallRuntime(Runtime::kLoadContextSlot, 2); | 2765 __ CallRuntime(Runtime::kLoadLookupSlot, 2); |
| 2766 __ Push(v0, v1); // Function, receiver. | 2766 __ Push(v0, v1); // Function, receiver. |
| 2767 | 2767 |
| 2768 // If fast case code has been generated, emit code to push the | 2768 // If fast case code has been generated, emit code to push the |
| 2769 // function and receiver and have the slow path jump around this | 2769 // function and receiver and have the slow path jump around this |
| 2770 // code. | 2770 // code. |
| 2771 if (done.is_linked()) { | 2771 if (done.is_linked()) { |
| 2772 Label call; | 2772 Label call; |
| 2773 __ Branch(&call); | 2773 __ Branch(&call); |
| 2774 __ bind(&done); | 2774 __ bind(&done); |
| 2775 // Push function. | 2775 // Push function. |
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| 4148 } else if (var->IsStackAllocated() || var->IsContextSlot()) { | 4148 } else if (var->IsStackAllocated() || var->IsContextSlot()) { |
| 4149 // Result of deleting non-global, non-dynamic variables is false. | 4149 // Result of deleting non-global, non-dynamic variables is false. |
| 4150 // The subexpression does not have side effects. | 4150 // The subexpression does not have side effects. |
| 4151 context()->Plug(var->is_this()); | 4151 context()->Plug(var->is_this()); |
| 4152 } else { | 4152 } else { |
| 4153 // Non-global variable. Call the runtime to try to delete from the | 4153 // Non-global variable. Call the runtime to try to delete from the |
| 4154 // context where the variable was introduced. | 4154 // context where the variable was introduced. |
| 4155 ASSERT(!context_register().is(a2)); | 4155 ASSERT(!context_register().is(a2)); |
| 4156 __ li(a2, Operand(var->name())); | 4156 __ li(a2, Operand(var->name())); |
| 4157 __ Push(context_register(), a2); | 4157 __ Push(context_register(), a2); |
| 4158 __ CallRuntime(Runtime::kDeleteContextSlot, 2); | 4158 __ CallRuntime(Runtime::kDeleteLookupSlot, 2); |
| 4159 context()->Plug(v0); | 4159 context()->Plug(v0); |
| 4160 } | 4160 } |
| 4161 } else { | 4161 } else { |
| 4162 // Result of deleting non-property, non-variable reference is true. | 4162 // Result of deleting non-property, non-variable reference is true. |
| 4163 // The subexpression may have side effects. | 4163 // The subexpression may have side effects. |
| 4164 VisitForEffect(expr->expression()); | 4164 VisitForEffect(expr->expression()); |
| 4165 context()->Plug(true); | 4165 context()->Plug(true); |
| 4166 } | 4166 } |
| 4167 break; | 4167 break; |
| 4168 } | 4168 } |
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| 4431 Comment cmnt(masm_, "[ Lookup slot"); | 4431 Comment cmnt(masm_, "[ Lookup slot"); |
| 4432 Label done, slow; | 4432 Label done, slow; |
| 4433 | 4433 |
| 4434 // Generate code for loading from variables potentially shadowed | 4434 // Generate code for loading from variables potentially shadowed |
| 4435 // by eval-introduced variables. | 4435 // by eval-introduced variables. |
| 4436 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); | 4436 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); |
| 4437 | 4437 |
| 4438 __ bind(&slow); | 4438 __ bind(&slow); |
| 4439 __ li(a0, Operand(proxy->name())); | 4439 __ li(a0, Operand(proxy->name())); |
| 4440 __ Push(cp, a0); | 4440 __ Push(cp, a0); |
| 4441 __ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2); | 4441 __ CallRuntime(Runtime::kLoadLookupSlotNoReferenceError, 2); |
| 4442 PrepareForBailout(expr, TOS_REG); | 4442 PrepareForBailout(expr, TOS_REG); |
| 4443 __ bind(&done); | 4443 __ bind(&done); |
| 4444 | 4444 |
| 4445 context()->Plug(v0); | 4445 context()->Plug(v0); |
| 4446 } else { | 4446 } else { |
| 4447 // This expression cannot throw a reference error at the top level. | 4447 // This expression cannot throw a reference error at the top level. |
| 4448 VisitInDuplicateContext(expr); | 4448 VisitInDuplicateContext(expr); |
| 4449 } | 4449 } |
| 4450 } | 4450 } |
| 4451 | 4451 |
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| 4855 Assembler::target_address_at(pc_immediate_load_address)) == | 4855 Assembler::target_address_at(pc_immediate_load_address)) == |
| 4856 reinterpret_cast<uint64_t>( | 4856 reinterpret_cast<uint64_t>( |
| 4857 isolate->builtins()->OsrAfterStackCheck()->entry())); | 4857 isolate->builtins()->OsrAfterStackCheck()->entry())); |
| 4858 return OSR_AFTER_STACK_CHECK; | 4858 return OSR_AFTER_STACK_CHECK; |
| 4859 } | 4859 } |
| 4860 | 4860 |
| 4861 | 4861 |
| 4862 } } // namespace v8::internal | 4862 } } // namespace v8::internal |
| 4863 | 4863 |
| 4864 #endif // V8_TARGET_ARCH_MIPS64 | 4864 #endif // V8_TARGET_ARCH_MIPS64 |
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