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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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/cpu-profiler.h" | 9 #include "src/cpu-profiler.h" |
10 #include "src/hydrogen-osr.h" | 10 #include "src/hydrogen-osr.h" |
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313 DeoptComment(table_entry->deopt_info); | 313 DeoptComment(table_entry->deopt_info); |
314 __ li(t9, Operand(ExternalReference::ForDeoptEntry(entry))); | 314 __ li(t9, Operand(ExternalReference::ForDeoptEntry(entry))); |
315 if (table_entry->needs_frame) { | 315 if (table_entry->needs_frame) { |
316 DCHECK(!info()->saves_caller_doubles()); | 316 DCHECK(!info()->saves_caller_doubles()); |
317 Comment(";;; call deopt with frame"); | 317 Comment(";;; call deopt with frame"); |
318 __ MultiPush(cp.bit() | fp.bit() | ra.bit()); | 318 __ MultiPush(cp.bit() | fp.bit() | ra.bit()); |
319 __ Call(&needs_frame); | 319 __ Call(&needs_frame); |
320 } else { | 320 } else { |
321 __ Call(&call_deopt_entry); | 321 __ Call(&call_deopt_entry); |
322 } | 322 } |
| 323 info()->LogDeoptCallPosition(masm()->pc_offset(), |
| 324 table_entry->deopt_info.inlining_id); |
323 } | 325 } |
324 if (needs_frame.is_linked()) { | 326 if (needs_frame.is_linked()) { |
325 __ bind(&needs_frame); | 327 __ bind(&needs_frame); |
326 // This variant of deopt can only be used with stubs. Since we don't | 328 // This variant of deopt can only be used with stubs. Since we don't |
327 // have a function pointer to install in the stack frame that we're | 329 // have a function pointer to install in the stack frame that we're |
328 // building, install a special marker there instead. | 330 // building, install a special marker there instead. |
329 DCHECK(info()->IsStub()); | 331 DCHECK(info()->IsStub()); |
330 __ li(at, Operand(Smi::FromInt(StackFrame::STUB))); | 332 __ li(at, Operand(Smi::FromInt(StackFrame::STUB))); |
331 __ push(at); | 333 __ push(at); |
332 __ Daddu(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); | 334 __ Daddu(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); |
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813 | 815 |
814 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); | 816 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); |
815 | 817 |
816 DCHECK(info()->IsStub() || frame_is_built_); | 818 DCHECK(info()->IsStub() || frame_is_built_); |
817 // Go through jump table if we need to handle condition, build frame, or | 819 // Go through jump table if we need to handle condition, build frame, or |
818 // restore caller doubles. | 820 // restore caller doubles. |
819 if (condition == al && frame_is_built_ && | 821 if (condition == al && frame_is_built_ && |
820 !info()->saves_caller_doubles()) { | 822 !info()->saves_caller_doubles()) { |
821 DeoptComment(deopt_info); | 823 DeoptComment(deopt_info); |
822 __ Call(entry, RelocInfo::RUNTIME_ENTRY, condition, src1, src2); | 824 __ Call(entry, RelocInfo::RUNTIME_ENTRY, condition, src1, src2); |
| 825 info()->LogDeoptCallPosition(masm()->pc_offset(), deopt_info.inlining_id); |
823 } else { | 826 } else { |
824 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, | 827 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, |
825 !frame_is_built_); | 828 !frame_is_built_); |
826 // We often have several deopts to the same entry, reuse the last | 829 // We often have several deopts to the same entry, reuse the last |
827 // jump entry if this is the case. | 830 // jump entry if this is the case. |
828 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || | 831 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || |
829 jump_table_.is_empty() || | 832 jump_table_.is_empty() || |
830 !table_entry.IsEquivalentTo(jump_table_.last())) { | 833 !table_entry.IsEquivalentTo(jump_table_.last())) { |
831 jump_table_.Add(table_entry, zone()); | 834 jump_table_.Add(table_entry, zone()); |
832 } | 835 } |
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6058 __ li(at, scope_info); | 6061 __ li(at, scope_info); |
6059 __ Push(at, ToRegister(instr->function())); | 6062 __ Push(at, ToRegister(instr->function())); |
6060 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6063 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6061 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6064 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6062 } | 6065 } |
6063 | 6066 |
6064 | 6067 |
6065 #undef __ | 6068 #undef __ |
6066 | 6069 |
6067 } } // namespace v8::internal | 6070 } } // namespace v8::internal |
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