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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 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/crankshaft/x64/lithium-codegen-x64.h" | 7 #include "src/crankshaft/x64/lithium-codegen-x64.h" |
8 | 8 |
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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292 DCHECK(!info()->saves_caller_doubles()); | 292 DCHECK(!info()->saves_caller_doubles()); |
293 __ Move(kScratchRegister, ExternalReference::ForDeoptEntry(entry)); | 293 __ Move(kScratchRegister, ExternalReference::ForDeoptEntry(entry)); |
294 __ call(&needs_frame); | 294 __ call(&needs_frame); |
295 } else { | 295 } else { |
296 if (info()->saves_caller_doubles()) { | 296 if (info()->saves_caller_doubles()) { |
297 DCHECK(info()->IsStub()); | 297 DCHECK(info()->IsStub()); |
298 RestoreCallerDoubles(); | 298 RestoreCallerDoubles(); |
299 } | 299 } |
300 __ call(entry, RelocInfo::RUNTIME_ENTRY); | 300 __ call(entry, RelocInfo::RUNTIME_ENTRY); |
301 } | 301 } |
302 LogDeoptCallPosition(masm()->pc_offset(), | |
303 table_entry->deopt_info.inlining_id); | |
304 } | 302 } |
305 | 303 |
306 if (needs_frame.is_linked()) { | 304 if (needs_frame.is_linked()) { |
307 __ bind(&needs_frame); | 305 __ bind(&needs_frame); |
308 /* stack layout | 306 /* stack layout |
309 3: return address <-- rsp | 307 3: return address <-- rsp |
310 2: garbage | 308 2: garbage |
311 1: garbage | 309 1: garbage |
312 0: garbage | 310 0: garbage |
313 */ | 311 */ |
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750 | 748 |
751 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); | 749 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); |
752 | 750 |
753 DCHECK(info()->IsStub() || frame_is_built_); | 751 DCHECK(info()->IsStub() || frame_is_built_); |
754 // Go through jump table if we need to handle condition, build frame, or | 752 // Go through jump table if we need to handle condition, build frame, or |
755 // restore caller doubles. | 753 // restore caller doubles. |
756 if (cc == no_condition && frame_is_built_ && | 754 if (cc == no_condition && frame_is_built_ && |
757 !info()->saves_caller_doubles()) { | 755 !info()->saves_caller_doubles()) { |
758 DeoptComment(deopt_info); | 756 DeoptComment(deopt_info); |
759 __ call(entry, RelocInfo::RUNTIME_ENTRY); | 757 __ call(entry, RelocInfo::RUNTIME_ENTRY); |
760 LogDeoptCallPosition(masm()->pc_offset(), deopt_info.inlining_id); | |
761 } else { | 758 } else { |
762 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, | 759 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, |
763 !frame_is_built_); | 760 !frame_is_built_); |
764 // We often have several deopts to the same entry, reuse the last | 761 // We often have several deopts to the same entry, reuse the last |
765 // jump entry if this is the case. | 762 // jump entry if this is the case. |
766 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || | 763 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || |
767 jump_table_.is_empty() || | 764 jump_table_.is_empty() || |
768 !table_entry.IsEquivalentTo(jump_table_.last())) { | 765 !table_entry.IsEquivalentTo(jump_table_.last())) { |
769 jump_table_.Add(table_entry, zone()); | 766 jump_table_.Add(table_entry, zone()); |
770 } | 767 } |
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5640 __ bind(deferred->exit()); | 5637 __ bind(deferred->exit()); |
5641 __ bind(&done); | 5638 __ bind(&done); |
5642 } | 5639 } |
5643 | 5640 |
5644 #undef __ | 5641 #undef __ |
5645 | 5642 |
5646 } // namespace internal | 5643 } // namespace internal |
5647 } // namespace v8 | 5644 } // namespace v8 |
5648 | 5645 |
5649 #endif // V8_TARGET_ARCH_X64 | 5646 #endif // V8_TARGET_ARCH_X64 |
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