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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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