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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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4141 __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset)); | 4141 __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset)); |
4142 // Load the map's "bit field 2". We only need the first byte, | 4142 // Load the map's "bit field 2". We only need the first byte, |
4143 // but the following masking takes care of that anyway. | 4143 // but the following masking takes care of that anyway. |
4144 __ mov(ebx, FieldOperand(ebx, Map::kBitField2Offset)); | 4144 __ mov(ebx, FieldOperand(ebx, Map::kBitField2Offset)); |
4145 // Retrieve elements_kind from bit field 2. | 4145 // Retrieve elements_kind from bit field 2. |
4146 __ and_(ebx, Map::kElementsKindMask); | 4146 __ and_(ebx, Map::kElementsKindMask); |
4147 __ cmp(ebx, boilerplate_elements_kind << Map::kElementsKindShift); | 4147 __ cmp(ebx, boilerplate_elements_kind << Map::kElementsKindShift); |
4148 DeoptimizeIf(not_equal, instr->environment()); | 4148 DeoptimizeIf(not_equal, instr->environment()); |
4149 } | 4149 } |
4150 | 4150 |
4151 // Setup the parameters to the stub/runtime call. | 4151 // Set up the parameters to the stub/runtime call. |
4152 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 4152 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
4153 __ push(FieldOperand(eax, JSFunction::kLiteralsOffset)); | 4153 __ push(FieldOperand(eax, JSFunction::kLiteralsOffset)); |
4154 __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index()))); | 4154 __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index()))); |
4155 // Boilerplate already exists, constant elements are never accessed. | 4155 // Boilerplate already exists, constant elements are never accessed. |
4156 // Pass an empty fixed array. | 4156 // Pass an empty fixed array. |
4157 __ push(Immediate(Handle<FixedArray>(heap->empty_fixed_array()))); | 4157 __ push(Immediate(Handle<FixedArray>(heap->empty_fixed_array()))); |
4158 | 4158 |
4159 // Pick the right runtime function or stub to call. | 4159 // Pick the right runtime function or stub to call. |
4160 int length = instr->hydrogen()->length(); | 4160 int length = instr->hydrogen()->length(); |
4161 if (instr->hydrogen()->IsCopyOnWrite()) { | 4161 if (instr->hydrogen()->IsCopyOnWrite()) { |
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4249 EmitDeepCopy(instr->hydrogen()->boilerplate(), eax, ebx, &offset); | 4249 EmitDeepCopy(instr->hydrogen()->boilerplate(), eax, ebx, &offset); |
4250 ASSERT_EQ(size, offset); | 4250 ASSERT_EQ(size, offset); |
4251 } | 4251 } |
4252 | 4252 |
4253 | 4253 |
4254 void LCodeGen::DoObjectLiteralGeneric(LObjectLiteralGeneric* instr) { | 4254 void LCodeGen::DoObjectLiteralGeneric(LObjectLiteralGeneric* instr) { |
4255 ASSERT(ToRegister(instr->context()).is(esi)); | 4255 ASSERT(ToRegister(instr->context()).is(esi)); |
4256 Handle<FixedArray> constant_properties = | 4256 Handle<FixedArray> constant_properties = |
4257 instr->hydrogen()->constant_properties(); | 4257 instr->hydrogen()->constant_properties(); |
4258 | 4258 |
4259 // Setup the parameters to the stub/runtime call. | 4259 // Set up the parameters to the stub/runtime call. |
4260 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 4260 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
4261 __ push(FieldOperand(eax, JSFunction::kLiteralsOffset)); | 4261 __ push(FieldOperand(eax, JSFunction::kLiteralsOffset)); |
4262 __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index()))); | 4262 __ push(Immediate(Smi::FromInt(instr->hydrogen()->literal_index()))); |
4263 __ push(Immediate(constant_properties)); | 4263 __ push(Immediate(constant_properties)); |
4264 int flags = instr->hydrogen()->fast_elements() | 4264 int flags = instr->hydrogen()->fast_elements() |
4265 ? ObjectLiteral::kFastElements | 4265 ? ObjectLiteral::kFastElements |
4266 : ObjectLiteral::kNoFlags; | 4266 : ObjectLiteral::kNoFlags; |
4267 flags |= instr->hydrogen()->has_function() | 4267 flags |= instr->hydrogen()->has_function() |
4268 ? ObjectLiteral::kHasFunction | 4268 ? ObjectLiteral::kHasFunction |
4269 : ObjectLiteral::kNoFlags; | 4269 : ObjectLiteral::kNoFlags; |
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4621 this, pointers, Safepoint::kLazyDeopt); | 4621 this, pointers, Safepoint::kLazyDeopt); |
4622 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator); | 4622 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator); |
4623 } | 4623 } |
4624 | 4624 |
4625 | 4625 |
4626 #undef __ | 4626 #undef __ |
4627 | 4627 |
4628 } } // namespace v8::internal | 4628 } } // namespace v8::internal |
4629 | 4629 |
4630 #endif // V8_TARGET_ARCH_IA32 | 4630 #endif // V8_TARGET_ARCH_IA32 |
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