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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 #if V8_TARGET_ARCH_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
| 6 | 6 |
| 7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
| 8 // | 8 // |
| 9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
| 10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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| 134 // MANUAL indicates that the scope shouldn't actually generate code to set up | 134 // MANUAL indicates that the scope shouldn't actually generate code to set up |
| 135 // the frame (that is done below). | 135 // the frame (that is done below). |
| 136 FrameScope frame_scope(masm_, StackFrame::MANUAL); | 136 FrameScope frame_scope(masm_, StackFrame::MANUAL); |
| 137 | 137 |
| 138 info->set_prologue_offset(masm_->pc_offset()); | 138 info->set_prologue_offset(masm_->pc_offset()); |
| 139 __ Prologue(info->GeneratePreagedPrologue()); | 139 __ Prologue(info->GeneratePreagedPrologue()); |
| 140 | 140 |
| 141 // Increment invocation count for the function. | 141 // Increment invocation count for the function. |
| 142 { | 142 { |
| 143 Comment cmnt(masm_, "[ Increment invocation count"); | 143 Comment cmnt(masm_, "[ Increment invocation count"); |
| 144 __ lw(a0, FieldMemOperand(a1, JSFunction::kLiteralsOffset)); | 144 __ lw(a0, FieldMemOperand(a1, JSFunction::kFeedbackVectorOffset)); |
| 145 __ lw(a0, FieldMemOperand(a0, LiteralsArray::kFeedbackVectorOffset)); | |
| 146 __ lw(t0, FieldMemOperand( | 145 __ lw(t0, FieldMemOperand( |
| 147 a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize + | 146 a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize + |
| 148 TypeFeedbackVector::kHeaderSize)); | 147 TypeFeedbackVector::kHeaderSize)); |
| 149 __ Addu(t0, t0, Operand(Smi::FromInt(1))); | 148 __ Addu(t0, t0, Operand(Smi::FromInt(1))); |
| 150 __ sw(t0, FieldMemOperand( | 149 __ sw(t0, FieldMemOperand( |
| 151 a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize + | 150 a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize + |
| 152 TypeFeedbackVector::kHeaderSize)); | 151 TypeFeedbackVector::kHeaderSize)); |
| 153 } | 152 } |
| 154 | 153 |
| 155 { Comment cmnt(masm_, "[ Allocate locals"); | 154 { Comment cmnt(masm_, "[ Allocate locals"); |
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| 1209 } | 1208 } |
| 1210 } | 1209 } |
| 1211 | 1210 |
| 1212 | 1211 |
| 1213 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { | 1212 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { |
| 1214 Comment cmnt(masm_, "[ ObjectLiteral"); | 1213 Comment cmnt(masm_, "[ ObjectLiteral"); |
| 1215 | 1214 |
| 1216 Handle<FixedArray> constant_properties = | 1215 Handle<FixedArray> constant_properties = |
| 1217 expr->GetOrBuildConstantProperties(isolate()); | 1216 expr->GetOrBuildConstantProperties(isolate()); |
| 1218 __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1217 __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1219 __ li(a2, Operand(Smi::FromInt(expr->literal_index()))); | 1218 __ li(a2, Operand(SmiFromSlot(expr->literal_slot()))); |
| 1220 __ li(a1, Operand(constant_properties)); | 1219 __ li(a1, Operand(constant_properties)); |
| 1221 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags()))); | 1220 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags()))); |
| 1222 if (MustCreateObjectLiteralWithRuntime(expr)) { | 1221 if (MustCreateObjectLiteralWithRuntime(expr)) { |
| 1223 __ Push(a3, a2, a1, a0); | 1222 __ Push(a3, a2, a1, a0); |
| 1224 __ CallRuntime(Runtime::kCreateObjectLiteral); | 1223 __ CallRuntime(Runtime::kCreateObjectLiteral); |
| 1225 } else { | 1224 } else { |
| 1226 Callable callable = CodeFactory::FastCloneShallowObject( | 1225 Callable callable = CodeFactory::FastCloneShallowObject( |
| 1227 isolate(), expr->properties_count()); | 1226 isolate(), expr->properties_count()); |
| 1228 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 1227 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
| 1229 RestoreContext(); | 1228 RestoreContext(); |
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| 1351 | 1350 |
| 1352 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; | 1351 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; |
| 1353 if (has_fast_elements && !FLAG_allocation_site_pretenuring) { | 1352 if (has_fast_elements && !FLAG_allocation_site_pretenuring) { |
| 1354 // If the only customer of allocation sites is transitioning, then | 1353 // If the only customer of allocation sites is transitioning, then |
| 1355 // we can turn it off if we don't have anywhere else to transition to. | 1354 // we can turn it off if we don't have anywhere else to transition to. |
| 1356 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; | 1355 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; |
| 1357 } | 1356 } |
| 1358 | 1357 |
| 1359 __ mov(a0, result_register()); | 1358 __ mov(a0, result_register()); |
| 1360 __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1359 __ lw(a3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1361 __ li(a2, Operand(Smi::FromInt(expr->literal_index()))); | 1360 __ li(a2, Operand(SmiFromSlot(expr->literal_slot()))); |
| 1362 __ li(a1, Operand(constant_elements)); | 1361 __ li(a1, Operand(constant_elements)); |
| 1363 if (MustCreateArrayLiteralWithRuntime(expr)) { | 1362 if (MustCreateArrayLiteralWithRuntime(expr)) { |
| 1364 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags()))); | 1363 __ li(a0, Operand(Smi::FromInt(expr->ComputeFlags()))); |
| 1365 __ Push(a3, a2, a1, a0); | 1364 __ Push(a3, a2, a1, a0); |
| 1366 __ CallRuntime(Runtime::kCreateArrayLiteral); | 1365 __ CallRuntime(Runtime::kCreateArrayLiteral); |
| 1367 } else { | 1366 } else { |
| 1368 Callable callable = | 1367 Callable callable = |
| 1369 CodeFactory::FastCloneShallowArray(isolate(), allocation_site_mode); | 1368 CodeFactory::FastCloneShallowArray(isolate(), allocation_site_mode); |
| 1370 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 1369 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
| 1371 RestoreContext(); | 1370 RestoreContext(); |
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| 2869 reinterpret_cast<uint32_t>( | 2868 reinterpret_cast<uint32_t>( |
| 2870 isolate->builtins()->OnStackReplacement()->entry())); | 2869 isolate->builtins()->OnStackReplacement()->entry())); |
| 2871 return ON_STACK_REPLACEMENT; | 2870 return ON_STACK_REPLACEMENT; |
| 2872 } | 2871 } |
| 2873 | 2872 |
| 2874 | 2873 |
| 2875 } // namespace internal | 2874 } // namespace internal |
| 2876 } // namespace v8 | 2875 } // namespace v8 |
| 2877 | 2876 |
| 2878 #endif // V8_TARGET_ARCH_MIPS | 2877 #endif // V8_TARGET_ARCH_MIPS |
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