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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_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/crankshaft/x64/lithium-codegen-x64.h" | 7 #include "src/crankshaft/x64/lithium-codegen-x64.h" |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/builtins/builtins-constructor.h" | 10 #include "src/builtins/builtins-constructor.h" |
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174 bool need_write_barrier = true; | 174 bool need_write_barrier = true; |
175 // Argument to NewContext is the function, which is still in rdi. | 175 // Argument to NewContext is the function, which is still in rdi. |
176 int slots = info_->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 176 int slots = info_->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
177 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; | 177 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; |
178 if (info()->scope()->is_script_scope()) { | 178 if (info()->scope()->is_script_scope()) { |
179 __ Push(rdi); | 179 __ Push(rdi); |
180 __ Push(info()->scope()->scope_info()); | 180 __ Push(info()->scope()->scope_info()); |
181 __ CallRuntime(Runtime::kNewScriptContext); | 181 __ CallRuntime(Runtime::kNewScriptContext); |
182 deopt_mode = Safepoint::kLazyDeopt; | 182 deopt_mode = Safepoint::kLazyDeopt; |
183 } else { | 183 } else { |
184 if (slots <= | 184 if (slots <= ConstructorBuiltins::MaximumFunctionContextSlots()) { |
185 ConstructorBuiltinsAssembler::MaximumFunctionContextSlots()) { | |
186 Callable callable = CodeFactory::FastNewFunctionContext( | 185 Callable callable = CodeFactory::FastNewFunctionContext( |
187 isolate(), info()->scope()->scope_type()); | 186 isolate(), info()->scope()->scope_type()); |
188 __ Set(FastNewFunctionContextDescriptor::SlotsRegister(), slots); | 187 __ Set(FastNewFunctionContextDescriptor::SlotsRegister(), slots); |
189 __ Call(callable.code(), RelocInfo::CODE_TARGET); | 188 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
190 // Result of FastNewFunctionContextStub is always in new space. | 189 // Result of FastNewFunctionContextStub is always in new space. |
191 need_write_barrier = false; | 190 need_write_barrier = false; |
192 } else { | 191 } else { |
193 __ Push(rdi); | 192 __ Push(rdi); |
194 __ Push(Smi::FromInt(info()->scope()->scope_type())); | 193 __ Push(Smi::FromInt(info()->scope()->scope_type())); |
195 __ CallRuntime(Runtime::kNewFunctionContext); | 194 __ CallRuntime(Runtime::kNewFunctionContext); |
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5370 __ bind(deferred->exit()); | 5369 __ bind(deferred->exit()); |
5371 __ bind(&done); | 5370 __ bind(&done); |
5372 } | 5371 } |
5373 | 5372 |
5374 #undef __ | 5373 #undef __ |
5375 | 5374 |
5376 } // namespace internal | 5375 } // namespace internal |
5377 } // namespace v8 | 5376 } // namespace v8 |
5378 | 5377 |
5379 #endif // V8_TARGET_ARCH_X64 | 5378 #endif // V8_TARGET_ARCH_X64 |
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