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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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