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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_ARM | 5 #if V8_TARGET_ARCH_ARM |
6 | 6 |
7 #include "src/ast/compile-time-value.h" | 7 #include "src/ast/compile-time-value.h" |
8 #include "src/ast/scopes.h" | 8 #include "src/ast/scopes.h" |
9 #include "src/builtins/builtins-constructor.h" | 9 #include "src/builtins/builtins-constructor.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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125 // MANUAL indicates that the scope shouldn't actually generate code to set up | 125 // MANUAL indicates that the scope shouldn't actually generate code to set up |
126 // the frame (that is done below). | 126 // the frame (that is done below). |
127 FrameScope frame_scope(masm_, StackFrame::MANUAL); | 127 FrameScope frame_scope(masm_, StackFrame::MANUAL); |
128 | 128 |
129 info->set_prologue_offset(masm_->pc_offset()); | 129 info->set_prologue_offset(masm_->pc_offset()); |
130 __ Prologue(info->GeneratePreagedPrologue()); | 130 __ Prologue(info->GeneratePreagedPrologue()); |
131 | 131 |
132 // Increment invocation count for the function. | 132 // Increment invocation count for the function. |
133 { | 133 { |
134 Comment cmnt(masm_, "[ Increment invocation count"); | 134 Comment cmnt(masm_, "[ Increment invocation count"); |
135 __ ldr(r2, FieldMemOperand(r1, JSFunction::kLiteralsOffset)); | 135 __ ldr(r2, FieldMemOperand(r1, JSFunction::kFeedbackVectorOffset)); |
136 __ ldr(r2, FieldMemOperand(r2, LiteralsArray::kFeedbackVectorOffset)); | |
137 __ ldr(r9, FieldMemOperand(r2, TypeFeedbackVector::kInvocationCountIndex * | 136 __ ldr(r9, FieldMemOperand(r2, TypeFeedbackVector::kInvocationCountIndex * |
138 kPointerSize + | 137 kPointerSize + |
139 TypeFeedbackVector::kHeaderSize)); | 138 TypeFeedbackVector::kHeaderSize)); |
140 __ add(r9, r9, Operand(Smi::FromInt(1))); | 139 __ add(r9, r9, Operand(Smi::FromInt(1))); |
141 __ str(r9, FieldMemOperand(r2, TypeFeedbackVector::kInvocationCountIndex * | 140 __ str(r9, FieldMemOperand(r2, TypeFeedbackVector::kInvocationCountIndex * |
142 kPointerSize + | 141 kPointerSize + |
143 TypeFeedbackVector::kHeaderSize)); | 142 TypeFeedbackVector::kHeaderSize)); |
144 } | 143 } |
145 | 144 |
146 { Comment cmnt(masm_, "[ Allocate locals"); | 145 { 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 __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1217 __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
1219 __ mov(r2, Operand(Smi::FromInt(expr->literal_index()))); | 1218 __ mov(r2, Operand(SmiFromSlot(expr->literal_slot()))); |
1220 __ mov(r1, Operand(constant_properties)); | 1219 __ mov(r1, Operand(constant_properties)); |
1221 int flags = expr->ComputeFlags(); | 1220 int flags = expr->ComputeFlags(); |
1222 __ mov(r0, Operand(Smi::FromInt(flags))); | 1221 __ mov(r0, Operand(Smi::FromInt(flags))); |
1223 if (MustCreateObjectLiteralWithRuntime(expr)) { | 1222 if (MustCreateObjectLiteralWithRuntime(expr)) { |
1224 __ Push(r3, r2, r1, r0); | 1223 __ Push(r3, r2, r1, r0); |
1225 __ CallRuntime(Runtime::kCreateObjectLiteral); | 1224 __ CallRuntime(Runtime::kCreateObjectLiteral); |
1226 } else { | 1225 } else { |
1227 Callable callable = CodeFactory::FastCloneShallowObject( | 1226 Callable callable = CodeFactory::FastCloneShallowObject( |
1228 isolate(), expr->properties_count()); | 1227 isolate(), expr->properties_count()); |
1229 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 1228 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
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1351 IsFastObjectElementsKind(expr->constant_elements_kind()); | 1350 IsFastObjectElementsKind(expr->constant_elements_kind()); |
1352 | 1351 |
1353 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; | 1352 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; |
1354 if (has_fast_elements && !FLAG_allocation_site_pretenuring) { | 1353 if (has_fast_elements && !FLAG_allocation_site_pretenuring) { |
1355 // If the only customer of allocation sites is transitioning, then | 1354 // If the only customer of allocation sites is transitioning, then |
1356 // we can turn it off if we don't have anywhere else to transition to. | 1355 // we can turn it off if we don't have anywhere else to transition to. |
1357 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; | 1356 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; |
1358 } | 1357 } |
1359 | 1358 |
1360 __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1359 __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
1361 __ mov(r2, Operand(Smi::FromInt(expr->literal_index()))); | 1360 __ mov(r2, Operand(SmiFromSlot(expr->literal_slot()))); |
1362 __ mov(r1, Operand(constant_elements)); | 1361 __ mov(r1, Operand(constant_elements)); |
1363 if (MustCreateArrayLiteralWithRuntime(expr)) { | 1362 if (MustCreateArrayLiteralWithRuntime(expr)) { |
1364 __ mov(r0, Operand(Smi::FromInt(expr->ComputeFlags()))); | 1363 __ mov(r0, Operand(Smi::FromInt(expr->ComputeFlags()))); |
1365 __ Push(r3, r2, r1, r0); | 1364 __ Push(r3, r2, r1, r0); |
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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2909 DCHECK(interrupt_address == | 2908 DCHECK(interrupt_address == |
2910 isolate->builtins()->OnStackReplacement()->entry()); | 2909 isolate->builtins()->OnStackReplacement()->entry()); |
2911 return ON_STACK_REPLACEMENT; | 2910 return ON_STACK_REPLACEMENT; |
2912 } | 2911 } |
2913 | 2912 |
2914 | 2913 |
2915 } // namespace internal | 2914 } // namespace internal |
2916 } // namespace v8 | 2915 } // namespace v8 |
2917 | 2916 |
2918 #endif // V8_TARGET_ARCH_ARM | 2917 #endif // V8_TARGET_ARCH_ARM |
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