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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
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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129 // This call emits the following sequence in a way that can be patched for | 129 // This call emits the following sequence in a way that can be patched for |
130 // code ageing support: | 130 // code ageing support: |
131 // Push(lr, fp, cp, x1); | 131 // Push(lr, fp, cp, x1); |
132 // Add(fp, jssp, 2 * kPointerSize); | 132 // Add(fp, jssp, 2 * kPointerSize); |
133 info->set_prologue_offset(masm_->pc_offset()); | 133 info->set_prologue_offset(masm_->pc_offset()); |
134 __ Prologue(info->GeneratePreagedPrologue()); | 134 __ Prologue(info->GeneratePreagedPrologue()); |
135 | 135 |
136 // Increment invocation count for the function. | 136 // Increment invocation count for the function. |
137 { | 137 { |
138 Comment cmnt(masm_, "[ Increment invocation count"); | 138 Comment cmnt(masm_, "[ Increment invocation count"); |
139 __ Ldr(x11, FieldMemOperand(x1, JSFunction::kLiteralsOffset)); | 139 __ Ldr(x11, FieldMemOperand(x1, JSFunction::kFeedbackVectorOffset)); |
140 __ Ldr(x11, FieldMemOperand(x11, LiteralsArray::kFeedbackVectorOffset)); | |
141 __ Ldr(x10, FieldMemOperand(x11, TypeFeedbackVector::kInvocationCountIndex * | 140 __ Ldr(x10, FieldMemOperand(x11, TypeFeedbackVector::kInvocationCountIndex * |
142 kPointerSize + | 141 kPointerSize + |
143 TypeFeedbackVector::kHeaderSize)); | 142 TypeFeedbackVector::kHeaderSize)); |
144 __ Add(x10, x10, Operand(Smi::FromInt(1))); | 143 __ Add(x10, x10, Operand(Smi::FromInt(1))); |
145 __ Str(x10, FieldMemOperand(x11, TypeFeedbackVector::kInvocationCountIndex * | 144 __ Str(x10, FieldMemOperand(x11, TypeFeedbackVector::kInvocationCountIndex * |
146 kPointerSize + | 145 kPointerSize + |
147 TypeFeedbackVector::kHeaderSize)); | 146 TypeFeedbackVector::kHeaderSize)); |
148 } | 147 } |
149 | 148 |
150 // Reserve space on the stack for locals. | 149 // Reserve space on the stack for locals. |
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1196 } | 1195 } |
1197 } | 1196 } |
1198 | 1197 |
1199 | 1198 |
1200 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { | 1199 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { |
1201 Comment cmnt(masm_, "[ ObjectLiteral"); | 1200 Comment cmnt(masm_, "[ ObjectLiteral"); |
1202 | 1201 |
1203 Handle<FixedArray> constant_properties = | 1202 Handle<FixedArray> constant_properties = |
1204 expr->GetOrBuildConstantProperties(isolate()); | 1203 expr->GetOrBuildConstantProperties(isolate()); |
1205 __ Ldr(x3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1204 __ Ldr(x3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
1206 __ Mov(x2, Smi::FromInt(expr->literal_index())); | 1205 __ Mov(x2, SmiFromSlot(expr->literal_slot())); |
1207 __ Mov(x1, Operand(constant_properties)); | 1206 __ Mov(x1, Operand(constant_properties)); |
1208 int flags = expr->ComputeFlags(); | 1207 int flags = expr->ComputeFlags(); |
1209 __ Mov(x0, Smi::FromInt(flags)); | 1208 __ Mov(x0, Smi::FromInt(flags)); |
1210 if (MustCreateObjectLiteralWithRuntime(expr)) { | 1209 if (MustCreateObjectLiteralWithRuntime(expr)) { |
1211 __ Push(x3, x2, x1, x0); | 1210 __ Push(x3, x2, x1, x0); |
1212 __ CallRuntime(Runtime::kCreateObjectLiteral); | 1211 __ CallRuntime(Runtime::kCreateObjectLiteral); |
1213 } else { | 1212 } else { |
1214 Callable callable = CodeFactory::FastCloneShallowObject( | 1213 Callable callable = CodeFactory::FastCloneShallowObject( |
1215 isolate(), expr->properties_count()); | 1214 isolate(), expr->properties_count()); |
1216 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 1215 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
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1336 IsFastObjectElementsKind(expr->constant_elements_kind()); | 1335 IsFastObjectElementsKind(expr->constant_elements_kind()); |
1337 | 1336 |
1338 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; | 1337 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; |
1339 if (has_fast_elements && !FLAG_allocation_site_pretenuring) { | 1338 if (has_fast_elements && !FLAG_allocation_site_pretenuring) { |
1340 // If the only customer of allocation sites is transitioning, then | 1339 // If the only customer of allocation sites is transitioning, then |
1341 // we can turn it off if we don't have anywhere else to transition to. | 1340 // we can turn it off if we don't have anywhere else to transition to. |
1342 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; | 1341 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; |
1343 } | 1342 } |
1344 | 1343 |
1345 __ Ldr(x3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1344 __ Ldr(x3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
1346 __ Mov(x2, Smi::FromInt(expr->literal_index())); | 1345 __ Mov(x2, SmiFromSlot(expr->literal_slot())); |
1347 __ Mov(x1, Operand(constant_elements)); | 1346 __ Mov(x1, Operand(constant_elements)); |
1348 if (MustCreateArrayLiteralWithRuntime(expr)) { | 1347 if (MustCreateArrayLiteralWithRuntime(expr)) { |
1349 __ Mov(x0, Smi::FromInt(expr->ComputeFlags())); | 1348 __ Mov(x0, Smi::FromInt(expr->ComputeFlags())); |
1350 __ Push(x3, x2, x1, x0); | 1349 __ Push(x3, x2, x1, x0); |
1351 __ CallRuntime(Runtime::kCreateArrayLiteral); | 1350 __ CallRuntime(Runtime::kCreateArrayLiteral); |
1352 } else { | 1351 } else { |
1353 Callable callable = | 1352 Callable callable = |
1354 CodeFactory::FastCloneShallowArray(isolate(), allocation_site_mode); | 1353 CodeFactory::FastCloneShallowArray(isolate(), allocation_site_mode); |
1355 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 1354 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
1356 RestoreContext(); | 1355 RestoreContext(); |
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2910 } | 2909 } |
2911 | 2910 |
2912 return INTERRUPT; | 2911 return INTERRUPT; |
2913 } | 2912 } |
2914 | 2913 |
2915 | 2914 |
2916 } // namespace internal | 2915 } // namespace internal |
2917 } // namespace v8 | 2916 } // namespace v8 |
2918 | 2917 |
2919 #endif // V8_TARGET_ARCH_ARM64 | 2918 #endif // V8_TARGET_ARCH_ARM64 |
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