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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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863 // restore caller doubles. | 863 // restore caller doubles. |
864 if (condition == al && frame_is_built_ && | 864 if (condition == al && frame_is_built_ && |
865 !info()->saves_caller_doubles()) { | 865 !info()->saves_caller_doubles()) { |
866 DeoptComment(deopt_info); | 866 DeoptComment(deopt_info); |
867 __ Call(entry, RelocInfo::RUNTIME_ENTRY, condition, src1, src2); | 867 __ Call(entry, RelocInfo::RUNTIME_ENTRY, condition, src1, src2); |
868 } else { | 868 } else { |
869 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, | 869 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, |
870 !frame_is_built_); | 870 !frame_is_built_); |
871 // We often have several deopts to the same entry, reuse the last | 871 // We often have several deopts to the same entry, reuse the last |
872 // jump entry if this is the case. | 872 // jump entry if this is the case. |
873 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || | 873 if (jump_table_.is_empty() || |
874 jump_table_.is_empty() || | |
875 !table_entry.IsEquivalentTo(jump_table_.last())) { | 874 !table_entry.IsEquivalentTo(jump_table_.last())) { |
876 jump_table_.Add(table_entry, zone()); | 875 jump_table_.Add(table_entry, zone()); |
877 } | 876 } |
878 __ Branch(&jump_table_.last().label, condition, src1, src2); | 877 __ Branch(&jump_table_.last().label, condition, src1, src2); |
879 } | 878 } |
880 } | 879 } |
881 | 880 |
882 | 881 |
883 void LCodeGen::DeoptimizeIf(Condition condition, LInstruction* instr, | 882 void LCodeGen::DeoptimizeIf(Condition condition, LInstruction* instr, |
884 Deoptimizer::DeoptReason deopt_reason, | 883 Deoptimizer::DeoptReason deopt_reason, |
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6026 __ li(at, scope_info); | 6025 __ li(at, scope_info); |
6027 __ Push(at, ToRegister(instr->function())); | 6026 __ Push(at, ToRegister(instr->function())); |
6028 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6027 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6029 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6028 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6030 } | 6029 } |
6031 | 6030 |
6032 | 6031 |
6033 #undef __ | 6032 #undef __ |
6034 | 6033 |
6035 } } // namespace v8::internal | 6034 } } // namespace v8::internal |
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