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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/arm/lithium-codegen-arm.h" | 5 #include "src/crankshaft/arm/lithium-codegen-arm.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/arm/lithium-gap-resolver-arm.h" | 10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h" | 
| 11 #include "src/crankshaft/hydrogen-osr.h" | 11 #include "src/crankshaft/hydrogen-osr.h" | 
| 12 #include "src/ic/ic.h" | 12 #include "src/ic/ic.h" | 
| 13 #include "src/ic/stub-cache.h" | 13 #include "src/ic/stub-cache.h" | 
| 14 #include "src/profiler/cpu-profiler.h" |  | 
| 15 | 14 | 
| 16 namespace v8 { | 15 namespace v8 { | 
| 17 namespace internal { | 16 namespace internal { | 
| 18 | 17 | 
| 19 | 18 | 
| 20 class SafepointGenerator final : public CallWrapper { | 19 class SafepointGenerator final : public CallWrapper { | 
| 21  public: | 20  public: | 
| 22   SafepointGenerator(LCodeGen* codegen, | 21   SafepointGenerator(LCodeGen* codegen, | 
| 23                      LPointerMap* pointers, | 22                      LPointerMap* pointers, | 
| 24                      Safepoint::DeoptMode mode) | 23                      Safepoint::DeoptMode mode) | 
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| 828   // restore caller doubles. | 827   // restore caller doubles. | 
| 829   if (condition == al && frame_is_built_ && | 828   if (condition == al && frame_is_built_ && | 
| 830       !info()->saves_caller_doubles()) { | 829       !info()->saves_caller_doubles()) { | 
| 831     DeoptComment(deopt_info); | 830     DeoptComment(deopt_info); | 
| 832     __ Call(entry, RelocInfo::RUNTIME_ENTRY); | 831     __ Call(entry, RelocInfo::RUNTIME_ENTRY); | 
| 833   } else { | 832   } else { | 
| 834     Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, | 833     Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, | 
| 835                                             !frame_is_built_); | 834                                             !frame_is_built_); | 
| 836     // We often have several deopts to the same entry, reuse the last | 835     // We often have several deopts to the same entry, reuse the last | 
| 837     // jump entry if this is the case. | 836     // jump entry if this is the case. | 
| 838     if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || | 837     if (FLAG_trace_deopt || isolate()->is_profiling() || | 
| 839         jump_table_.is_empty() || | 838         jump_table_.is_empty() || | 
| 840         !table_entry.IsEquivalentTo(jump_table_.last())) { | 839         !table_entry.IsEquivalentTo(jump_table_.last())) { | 
| 841       jump_table_.Add(table_entry, zone()); | 840       jump_table_.Add(table_entry, zone()); | 
| 842     } | 841     } | 
| 843     __ b(condition, &jump_table_.last().label); | 842     __ b(condition, &jump_table_.last().label); | 
| 844   } | 843   } | 
| 845 } | 844 } | 
| 846 | 845 | 
| 847 | 846 | 
| 848 void LCodeGen::DeoptimizeIf(Condition condition, LInstruction* instr, | 847 void LCodeGen::DeoptimizeIf(Condition condition, LInstruction* instr, | 
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| 5560   __ ldr(result, FieldMemOperand(scratch, | 5559   __ ldr(result, FieldMemOperand(scratch, | 
| 5561                                  FixedArray::kHeaderSize - kPointerSize)); | 5560                                  FixedArray::kHeaderSize - kPointerSize)); | 
| 5562   __ bind(deferred->exit()); | 5561   __ bind(deferred->exit()); | 
| 5563   __ bind(&done); | 5562   __ bind(&done); | 
| 5564 } | 5563 } | 
| 5565 | 5564 | 
| 5566 #undef __ | 5565 #undef __ | 
| 5567 | 5566 | 
| 5568 }  // namespace internal | 5567 }  // namespace internal | 
| 5569 }  // namespace v8 | 5568 }  // namespace v8 | 
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