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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_S390 | 5 #if V8_TARGET_ARCH_S390 | 
| 6 | 6 | 
| 7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.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/codegen.h" | 10 #include "src/codegen.h" | 
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| 178   bool function_in_register_r3 = true; | 178   bool function_in_register_r3 = true; | 
| 179 | 179 | 
| 180   // Possibly allocate a local context. | 180   // Possibly allocate a local context. | 
| 181   if (info->scope()->NeedsContext()) { | 181   if (info->scope()->NeedsContext()) { | 
| 182     // Argument to NewContext is the function, which is still in r3. | 182     // Argument to NewContext is the function, which is still in r3. | 
| 183     Comment cmnt(masm_, "[ Allocate context"); | 183     Comment cmnt(masm_, "[ Allocate context"); | 
| 184     bool need_write_barrier = true; | 184     bool need_write_barrier = true; | 
| 185     int slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 185     int slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 
| 186     if (info->scope()->is_script_scope()) { | 186     if (info->scope()->is_script_scope()) { | 
| 187       __ push(r3); | 187       __ push(r3); | 
| 188       __ Push(info->scope()->GetScopeInfo(info->isolate())); | 188       __ Push(info->scope()->scope_info()); | 
| 189       __ CallRuntime(Runtime::kNewScriptContext); | 189       __ CallRuntime(Runtime::kNewScriptContext); | 
| 190       PrepareForBailoutForId(BailoutId::ScriptContext(), | 190       PrepareForBailoutForId(BailoutId::ScriptContext(), | 
| 191                              BailoutState::TOS_REGISTER); | 191                              BailoutState::TOS_REGISTER); | 
| 192       // The new target value is not used, clobbering is safe. | 192       // The new target value is not used, clobbering is safe. | 
| 193       DCHECK_NULL(info->scope()->new_target_var()); | 193       DCHECK_NULL(info->scope()->new_target_var()); | 
| 194     } else { | 194     } else { | 
| 195       if (info->scope()->new_target_var() != nullptr) { | 195       if (info->scope()->new_target_var() != nullptr) { | 
| 196         __ push(r5);  // Preserve new target. | 196         __ push(r5);  // Preserve new target. | 
| 197       } | 197       } | 
| 198       FastNewFunctionContextStub stub(isolate()); | 198       FastNewFunctionContextStub stub(isolate()); | 
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| 3650   DCHECK(kOSRBranchInstruction == br_instr); | 3650   DCHECK(kOSRBranchInstruction == br_instr); | 
| 3651 | 3651 | 
| 3652   DCHECK(interrupt_address == | 3652   DCHECK(interrupt_address == | 
| 3653          isolate->builtins()->OnStackReplacement()->entry()); | 3653          isolate->builtins()->OnStackReplacement()->entry()); | 
| 3654   return ON_STACK_REPLACEMENT; | 3654   return ON_STACK_REPLACEMENT; | 
| 3655 } | 3655 } | 
| 3656 | 3656 | 
| 3657 }  // namespace internal | 3657 }  // namespace internal | 
| 3658 }  // namespace v8 | 3658 }  // namespace v8 | 
| 3659 #endif  // V8_TARGET_ARCH_S390 | 3659 #endif  // V8_TARGET_ARCH_S390 | 
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