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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arm64/lithium-codegen-arm64.h" | 7 #include "src/arm64/lithium-codegen-arm64.h" |
8 #include "src/arm64/lithium-gap-resolver-arm64.h" | 8 #include "src/arm64/lithium-gap-resolver-arm64.h" |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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869 Comment(";;; call deopt with frame"); | 869 Comment(";;; call deopt with frame"); |
870 // Save lr before Bl, fp will be adjusted in the needs_frame code. | 870 // Save lr before Bl, fp will be adjusted in the needs_frame code. |
871 __ Push(lr, fp); | 871 __ Push(lr, fp); |
872 // Reuse the existing needs_frame code. | 872 // Reuse the existing needs_frame code. |
873 __ Bl(&needs_frame); | 873 __ Bl(&needs_frame); |
874 } else { | 874 } else { |
875 // There is nothing special to do, so just continue to the second-level | 875 // There is nothing special to do, so just continue to the second-level |
876 // table. | 876 // table. |
877 __ Bl(&call_deopt_entry); | 877 __ Bl(&call_deopt_entry); |
878 } | 878 } |
| 879 info()->LogDeoptCallPosition(masm()->pc_offset(), |
| 880 table_entry->deopt_info.inlining_id); |
879 | 881 |
880 masm()->CheckConstPool(false, false); | 882 masm()->CheckConstPool(false, false); |
881 } | 883 } |
882 | 884 |
883 if (needs_frame.is_linked()) { | 885 if (needs_frame.is_linked()) { |
884 // This variant of deopt can only be used with stubs. Since we don't | 886 // This variant of deopt can only be used with stubs. Since we don't |
885 // have a function pointer to install in the stack frame that we're | 887 // have a function pointer to install in the stack frame that we're |
886 // building, install a special marker there instead. | 888 // building, install a special marker there instead. |
887 DCHECK(info()->IsStub()); | 889 DCHECK(info()->IsStub()); |
888 | 890 |
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1054 } | 1056 } |
1055 | 1057 |
1056 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); | 1058 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); |
1057 | 1059 |
1058 DCHECK(info()->IsStub() || frame_is_built_); | 1060 DCHECK(info()->IsStub() || frame_is_built_); |
1059 // Go through jump table if we need to build frame, or restore caller doubles. | 1061 // Go through jump table if we need to build frame, or restore caller doubles. |
1060 if (branch_type == always && | 1062 if (branch_type == always && |
1061 frame_is_built_ && !info()->saves_caller_doubles()) { | 1063 frame_is_built_ && !info()->saves_caller_doubles()) { |
1062 DeoptComment(deopt_info); | 1064 DeoptComment(deopt_info); |
1063 __ Call(entry, RelocInfo::RUNTIME_ENTRY); | 1065 __ Call(entry, RelocInfo::RUNTIME_ENTRY); |
| 1066 info()->LogDeoptCallPosition(masm()->pc_offset(), deopt_info.inlining_id); |
1064 } else { | 1067 } else { |
1065 Deoptimizer::JumpTableEntry* table_entry = | 1068 Deoptimizer::JumpTableEntry* table_entry = |
1066 new (zone()) Deoptimizer::JumpTableEntry( | 1069 new (zone()) Deoptimizer::JumpTableEntry( |
1067 entry, deopt_info, bailout_type, !frame_is_built_); | 1070 entry, deopt_info, bailout_type, !frame_is_built_); |
1068 // We often have several deopts to the same entry, reuse the last | 1071 // We often have several deopts to the same entry, reuse the last |
1069 // jump entry if this is the case. | 1072 // jump entry if this is the case. |
1070 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || | 1073 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || |
1071 jump_table_.is_empty() || | 1074 jump_table_.is_empty() || |
1072 !table_entry->IsEquivalentTo(*jump_table_.last())) { | 1075 !table_entry->IsEquivalentTo(*jump_table_.last())) { |
1073 jump_table_.Add(table_entry, zone()); | 1076 jump_table_.Add(table_entry, zone()); |
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6102 Handle<ScopeInfo> scope_info = instr->scope_info(); | 6105 Handle<ScopeInfo> scope_info = instr->scope_info(); |
6103 __ Push(scope_info); | 6106 __ Push(scope_info); |
6104 __ Push(ToRegister(instr->function())); | 6107 __ Push(ToRegister(instr->function())); |
6105 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6108 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6106 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6109 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6107 } | 6110 } |
6108 | 6111 |
6109 | 6112 |
6110 | 6113 |
6111 } } // namespace v8::internal | 6114 } } // namespace v8::internal |
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