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Side by Side Diff: src/crankshaft/ppc/lithium-codegen-ppc.cc

Issue 2281073002: Create ScopeInfos while analyzing the Scope chain (Closed)
Patch Set: updates 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 // 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 #include "src/crankshaft/ppc/lithium-codegen-ppc.h" 5 #include "src/crankshaft/ppc/lithium-codegen-ppc.h"
6 6
7 #include "src/base/bits.h" 7 #include "src/base/bits.h"
8 #include "src/code-factory.h" 8 #include "src/code-factory.h"
9 #include "src/code-stubs.h" 9 #include "src/code-stubs.h"
10 #include "src/crankshaft/hydrogen-osr.h" 10 #include "src/crankshaft/hydrogen-osr.h"
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159 159
160 // Possibly allocate a local context. 160 // Possibly allocate a local context.
161 if (info()->scope()->NeedsContext()) { 161 if (info()->scope()->NeedsContext()) {
162 Comment(";;; Allocate local context"); 162 Comment(";;; Allocate local context");
163 bool need_write_barrier = true; 163 bool need_write_barrier = true;
164 // Argument to NewContext is the function, which is in r4. 164 // Argument to NewContext is the function, which is in r4.
165 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; 165 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS;
166 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; 166 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt;
167 if (info()->scope()->is_script_scope()) { 167 if (info()->scope()->is_script_scope()) {
168 __ push(r4); 168 __ push(r4);
169 __ Push(info()->scope()->GetScopeInfo(info()->isolate())); 169 __ Push(info()->scope()->scope_info());
170 __ CallRuntime(Runtime::kNewScriptContext); 170 __ CallRuntime(Runtime::kNewScriptContext);
171 deopt_mode = Safepoint::kLazyDeopt; 171 deopt_mode = Safepoint::kLazyDeopt;
172 } else { 172 } else {
173 FastNewFunctionContextStub stub(isolate()); 173 FastNewFunctionContextStub stub(isolate());
174 __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), Operand(slots)); 174 __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), Operand(slots));
175 __ CallStub(&stub); 175 __ CallStub(&stub);
176 // Result of FastNewFunctionContextStub is always in new space. 176 // Result of FastNewFunctionContextStub is always in new space.
177 need_write_barrier = false; 177 need_write_barrier = false;
178 } 178 }
179 RecordSafepoint(deopt_mode); 179 RecordSafepoint(deopt_mode);
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5776 __ LoadP(result, 5776 __ LoadP(result,
5777 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); 5777 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize));
5778 __ bind(deferred->exit()); 5778 __ bind(deferred->exit());
5779 __ bind(&done); 5779 __ bind(&done);
5780 } 5780 }
5781 5781
5782 #undef __ 5782 #undef __
5783 5783
5784 } // namespace internal 5784 } // namespace internal
5785 } // namespace v8 5785 } // namespace v8
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