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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 981 | 981 |
| 982 // All extension objects were empty and it is safe to use a global | 982 // All extension objects were empty and it is safe to use a global |
| 983 // load IC call. | 983 // load IC call. |
| 984 __ mov(eax, CodeGenerator::GlobalObject()); | 984 __ mov(eax, CodeGenerator::GlobalObject()); |
| 985 __ mov(ecx, slot->var()->name()); | 985 __ mov(ecx, slot->var()->name()); |
| 986 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); | 986 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); |
| 987 RelocInfo::Mode mode = (typeof_state == INSIDE_TYPEOF) | 987 RelocInfo::Mode mode = (typeof_state == INSIDE_TYPEOF) |
| 988 ? RelocInfo::CODE_TARGET | 988 ? RelocInfo::CODE_TARGET |
| 989 : RelocInfo::CODE_TARGET_CONTEXT; | 989 : RelocInfo::CODE_TARGET_CONTEXT; |
| 990 __ call(ic, mode); | 990 __ call(ic, mode); |
| 991 __ nop(); |
| 991 } | 992 } |
| 992 | 993 |
| 993 | 994 |
| 994 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions( | 995 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions( |
| 995 Slot* slot, | 996 Slot* slot, |
| 996 Label* slow) { | 997 Label* slow) { |
| 997 ASSERT(slot->type() == Slot::CONTEXT); | 998 ASSERT(slot->type() == Slot::CONTEXT); |
| 998 Register context = esi; | 999 Register context = esi; |
| 999 Register temp = ebx; | 1000 Register temp = ebx; |
| 1000 | 1001 |
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| 3131 for (int i = 0; i < arg_count; i++) { | 3132 for (int i = 0; i < arg_count; i++) { |
| 3132 VisitForValue(args->at(i), kStack); | 3133 VisitForValue(args->at(i), kStack); |
| 3133 } | 3134 } |
| 3134 | 3135 |
| 3135 if (expr->is_jsruntime()) { | 3136 if (expr->is_jsruntime()) { |
| 3136 // Call the JS runtime function via a call IC. | 3137 // Call the JS runtime function via a call IC. |
| 3137 __ Set(ecx, Immediate(expr->name())); | 3138 __ Set(ecx, Immediate(expr->name())); |
| 3138 InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP; | 3139 InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP; |
| 3139 Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count, in_loop); | 3140 Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count, in_loop); |
| 3140 __ call(ic, RelocInfo::CODE_TARGET); | 3141 __ call(ic, RelocInfo::CODE_TARGET); |
| 3141 // Restore context register. | 3142 // Restore context register. |
| 3142 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 3143 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 3143 } else { | 3144 } else { |
| 3144 // Call the C runtime function. | 3145 // Call the C runtime function. |
| 3145 __ CallRuntime(expr->function(), arg_count); | 3146 __ CallRuntime(expr->function(), arg_count); |
| 3146 } | 3147 } |
| 3147 Apply(context_, eax); | 3148 Apply(context_, eax); |
| 3148 } | 3149 } |
| 3149 | 3150 |
| 3150 | 3151 |
| 3151 void FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) { | 3152 void FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) { |
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| 3476 void FullCodeGenerator::VisitForTypeofValue(Expression* expr, Location where) { | 3477 void FullCodeGenerator::VisitForTypeofValue(Expression* expr, Location where) { |
| 3477 VariableProxy* proxy = expr->AsVariableProxy(); | 3478 VariableProxy* proxy = expr->AsVariableProxy(); |
| 3478 if (proxy != NULL && !proxy->var()->is_this() && proxy->var()->is_global()) { | 3479 if (proxy != NULL && !proxy->var()->is_this() && proxy->var()->is_global()) { |
| 3479 Comment cmnt(masm_, "Global variable"); | 3480 Comment cmnt(masm_, "Global variable"); |
| 3480 __ mov(eax, CodeGenerator::GlobalObject()); | 3481 __ mov(eax, CodeGenerator::GlobalObject()); |
| 3481 __ mov(ecx, Immediate(proxy->name())); | 3482 __ mov(ecx, Immediate(proxy->name())); |
| 3482 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); | 3483 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); |
| 3483 // Use a regular load, not a contextual load, to avoid a reference | 3484 // Use a regular load, not a contextual load, to avoid a reference |
| 3484 // error. | 3485 // error. |
| 3485 __ call(ic, RelocInfo::CODE_TARGET); | 3486 __ call(ic, RelocInfo::CODE_TARGET); |
| 3487 __ nop(); |
| 3486 if (where == kStack) __ push(eax); | 3488 if (where == kStack) __ push(eax); |
| 3487 } else if (proxy != NULL && | 3489 } else if (proxy != NULL && |
| 3488 proxy->var()->slot() != NULL && | 3490 proxy->var()->slot() != NULL && |
| 3489 proxy->var()->slot()->type() == Slot::LOOKUP) { | 3491 proxy->var()->slot()->type() == Slot::LOOKUP) { |
| 3490 Label done, slow; | 3492 Label done, slow; |
| 3491 | 3493 |
| 3492 // Generate code for loading from variables potentially shadowed | 3494 // Generate code for loading from variables potentially shadowed |
| 3493 // by eval-introduced variables. | 3495 // by eval-introduced variables. |
| 3494 Slot* slot = proxy->var()->slot(); | 3496 Slot* slot = proxy->var()->slot(); |
| 3495 EmitDynamicLoadFromSlotFastCase(slot, INSIDE_TYPEOF, &slow, &done); | 3497 EmitDynamicLoadFromSlotFastCase(slot, INSIDE_TYPEOF, &slow, &done); |
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| 3776 // And return. | 3778 // And return. |
| 3777 __ ret(0); | 3779 __ ret(0); |
| 3778 } | 3780 } |
| 3779 | 3781 |
| 3780 | 3782 |
| 3781 #undef __ | 3783 #undef __ |
| 3782 | 3784 |
| 3783 } } // namespace v8::internal | 3785 } } // namespace v8::internal |
| 3784 | 3786 |
| 3785 #endif // V8_TARGET_ARCH_IA32 | 3787 #endif // V8_TARGET_ARCH_IA32 |
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