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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 // 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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| 827 : Deoptimizer::EAGER; | 827 : Deoptimizer::EAGER; |
| 828 Address entry = Deoptimizer::GetDeoptimizationEntry(id, bailout_type); | 828 Address entry = Deoptimizer::GetDeoptimizationEntry(id, bailout_type); |
| 829 if (entry == NULL) { | 829 if (entry == NULL) { |
| 830 Abort("bailout was not prepared"); | 830 Abort("bailout was not prepared"); |
| 831 return; | 831 return; |
| 832 } | 832 } |
| 833 | 833 |
| 834 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM. | 834 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM. |
| 835 | 835 |
| 836 if (FLAG_deopt_every_n_times == 1 && info_->opt_count() == id) { | 836 if (FLAG_deopt_every_n_times == 1 && info_->opt_count() == id) { |
| 837 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); | 837 __ Jump(entry, RelocInfo::EXTERNAL_REFERENCE); |
| 838 return; | 838 return; |
| 839 } | 839 } |
| 840 | 840 |
| 841 if (FLAG_trap_on_deopt) __ stop("trap_on_deopt", cc); | 841 if (FLAG_trap_on_deopt) __ stop("trap_on_deopt", cc); |
| 842 | 842 |
| 843 bool needs_lazy_deopt = info()->IsStub(); | 843 bool needs_lazy_deopt = info()->IsStub(); |
| 844 ASSERT(info()->IsStub() || frame_is_built_); | 844 ASSERT(info()->IsStub() || frame_is_built_); |
| 845 if (cc == al && !needs_lazy_deopt) { | 845 if (cc == al && !needs_lazy_deopt) { |
| 846 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); | 846 __ Jump(entry, RelocInfo::EXTERNAL_REFERENCE); |
| 847 } else { | 847 } else { |
| 848 // We often have several deopts to the same entry, reuse the last | 848 // We often have several deopts to the same entry, reuse the last |
| 849 // jump entry if this is the case. | 849 // jump entry if this is the case. |
| 850 if (deopt_jump_table_.is_empty() || | 850 if (deopt_jump_table_.is_empty() || |
| 851 (deopt_jump_table_.last().address != entry) || | 851 (deopt_jump_table_.last().address != entry) || |
| 852 (deopt_jump_table_.last().is_lazy_deopt != needs_lazy_deopt) || | 852 (deopt_jump_table_.last().is_lazy_deopt != needs_lazy_deopt) || |
| 853 (deopt_jump_table_.last().needs_frame != !frame_is_built_)) { | 853 (deopt_jump_table_.last().needs_frame != !frame_is_built_)) { |
| 854 JumpTableEntry table_entry(entry, !frame_is_built_, needs_lazy_deopt); | 854 JumpTableEntry table_entry(entry, !frame_is_built_, needs_lazy_deopt); |
| 855 deopt_jump_table_.Add(table_entry, zone()); | 855 deopt_jump_table_.Add(table_entry, zone()); |
| 856 } | 856 } |
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| 6299 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); | 6299 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); |
| 6300 __ ldr(result, FieldMemOperand(scratch, | 6300 __ ldr(result, FieldMemOperand(scratch, |
| 6301 FixedArray::kHeaderSize - kPointerSize)); | 6301 FixedArray::kHeaderSize - kPointerSize)); |
| 6302 __ bind(&done); | 6302 __ bind(&done); |
| 6303 } | 6303 } |
| 6304 | 6304 |
| 6305 | 6305 |
| 6306 #undef __ | 6306 #undef __ |
| 6307 | 6307 |
| 6308 } } // namespace v8::internal | 6308 } } // namespace v8::internal |
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