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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/builtins/builtins-constructor.h" |
| 9 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
| 10 #include "src/code-stubs.h" | 11 #include "src/code-stubs.h" |
| 11 #include "src/crankshaft/hydrogen-osr.h" | 12 #include "src/crankshaft/hydrogen-osr.h" |
| 12 #include "src/crankshaft/s390/lithium-gap-resolver-s390.h" | 13 #include "src/crankshaft/s390/lithium-gap-resolver-s390.h" |
| 13 #include "src/ic/ic.h" | 14 #include "src/ic/ic.h" |
| 14 #include "src/ic/stub-cache.h" | 15 #include "src/ic/stub-cache.h" |
| 15 | 16 |
| 16 namespace v8 { | 17 namespace v8 { |
| 17 namespace internal { | 18 namespace internal { |
| 18 | 19 |
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| 170 bool need_write_barrier = true; | 171 bool need_write_barrier = true; |
| 171 // Argument to NewContext is the function, which is in r3. | 172 // Argument to NewContext is the function, which is in r3. |
| 172 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 173 int slots = info()->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
| 173 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; | 174 Safepoint::DeoptMode deopt_mode = Safepoint::kNoLazyDeopt; |
| 174 if (info()->scope()->is_script_scope()) { | 175 if (info()->scope()->is_script_scope()) { |
| 175 __ push(r3); | 176 __ push(r3); |
| 176 __ Push(info()->scope()->scope_info()); | 177 __ Push(info()->scope()->scope_info()); |
| 177 __ CallRuntime(Runtime::kNewScriptContext); | 178 __ CallRuntime(Runtime::kNewScriptContext); |
| 178 deopt_mode = Safepoint::kLazyDeopt; | 179 deopt_mode = Safepoint::kLazyDeopt; |
| 179 } else { | 180 } else { |
| 180 if (slots <= FastNewFunctionContextStub::MaximumSlots()) { | 181 if (slots <= |
| 181 FastNewFunctionContextStub stub(isolate(), | 182 ConstructorBuiltinsAssembler::MaximumFunctionContextSlots()) { |
| 182 info()->scope()->scope_type()); | 183 Callable callable = CodeFactory::FastNewFunctionContext( |
| 184 isolate(), info()->scope()->scope_type()); |
| 183 __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), | 185 __ mov(FastNewFunctionContextDescriptor::SlotsRegister(), |
| 184 Operand(slots)); | 186 Operand(slots)); |
| 185 __ CallStub(&stub); | 187 __ Call(callable.code(), RelocInfo::CODE_TARGET); |
| 186 // Result of FastNewFunctionContextStub is always in new space. | 188 // Result of the FastNewFunctionContext builtin is always in new space. |
| 187 need_write_barrier = false; | 189 need_write_barrier = false; |
| 188 } else { | 190 } else { |
| 189 __ push(r3); | 191 __ push(r3); |
| 190 __ Push(Smi::FromInt(info()->scope()->scope_type())); | 192 __ Push(Smi::FromInt(info()->scope()->scope_type())); |
| 191 __ CallRuntime(Runtime::kNewFunctionContext); | 193 __ CallRuntime(Runtime::kNewFunctionContext); |
| 192 } | 194 } |
| 193 } | 195 } |
| 194 RecordSafepoint(deopt_mode); | 196 RecordSafepoint(deopt_mode); |
| 195 | 197 |
| 196 // Context is returned in both r2 and cp. It replaces the context | 198 // Context is returned in both r2 and cp. It replaces the context |
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| 5571 __ LoadP(result, | 5573 __ LoadP(result, |
| 5572 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); | 5574 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); |
| 5573 __ bind(deferred->exit()); | 5575 __ bind(deferred->exit()); |
| 5574 __ bind(&done); | 5576 __ bind(&done); |
| 5575 } | 5577 } |
| 5576 | 5578 |
| 5577 #undef __ | 5579 #undef __ |
| 5578 | 5580 |
| 5579 } // namespace internal | 5581 } // namespace internal |
| 5580 } // namespace v8 | 5582 } // namespace v8 |
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