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Issue 2281073002: Create ScopeInfos while analyzing the Scope chain (Closed)
Patch Set: rebase Created 4 years, 3 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // 2 //
3 // Use of this source code is governed by a BSD-style license that can be 3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file. 4 // found in the LICENSE file.
5 5
6 #include "src/crankshaft/s390/lithium-codegen-s390.h" 6 #include "src/crankshaft/s390/lithium-codegen-s390.h"
7 7
8 #include "src/base/bits.h" 8 #include "src/base/bits.h"
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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149 149
150 // Possibly allocate a local context. 150 // Possibly allocate a local context.
151 if (info()->scope()->NeedsContext()) { 151 if (info()->scope()->NeedsContext()) {
152 Comment(";;; Allocate local context"); 152 Comment(";;; Allocate local context");
153 bool need_write_barrier = true; 153 bool need_write_barrier = true;
154 // Argument to NewContext is the function, which is in r3. 154 // Argument to NewContext is the function, which is in r3.
155 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; 155 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS;
156 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; 156 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt;
157 if (info()->scope()->is_script_scope()) { 157 if (info()->scope()->is_script_scope()) {
158 __ push(r3); 158 __ push(r3);
159 __ Push(info()->scope()->GetScopeInfo(info()->isolate())); 159 __ Push(info()->scope()->scope_info());
160 __ CallRuntime(Runtime::kNewScriptContext); 160 __ CallRuntime(Runtime::kNewScriptContext);
161 deopt_mode = Safepoint::kLazyDeopt; 161 deopt_mode = Safepoint::kLazyDeopt;
162 } else { 162 } else {
163 FastNewFunctionContextStub stub(isolate()); 163 FastNewFunctionContextStub stub(isolate());
164 __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), Operand(slots)); 164 __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), Operand(slots));
165 __ CallStub(&stub); 165 __ CallStub(&stub);
166 // Result of FastNewFunctionContextStub is always in new space. 166 // Result of FastNewFunctionContextStub is always in new space.
167 need_write_barrier = false; 167 need_write_barrier = false;
168 } 168 }
169 RecordSafepoint(deopt_mode); 169 RecordSafepoint(deopt_mode);
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5665 __ LoadP(result, 5665 __ LoadP(result,
5666 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); 5666 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize));
5667 __ bind(deferred->exit()); 5667 __ bind(deferred->exit());
5668 __ bind(&done); 5668 __ bind(&done);
5669 } 5669 }
5670 5670
5671 #undef __ 5671 #undef __
5672 5672
5673 } // namespace internal 5673 } // namespace internal
5674 } // namespace v8 5674 } // namespace v8
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