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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. |
| 6 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
| 7 | 7 |
| 8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
| 9 | 9 |
| 10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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| 1606 __ Bind(entry_label()); | 1606 __ Bind(entry_label()); |
| 1607 const Class& double_class = compiler->double_class(); | 1607 const Class& double_class = compiler->double_class(); |
| 1608 const Code& stub = | 1608 const Code& stub = |
| 1609 Code::Handle(StubCode::GetAllocationStubForClass(double_class)); | 1609 Code::Handle(StubCode::GetAllocationStubForClass(double_class)); |
| 1610 const ExternalLabel label(double_class.ToCString(), stub.EntryPoint()); | 1610 const ExternalLabel label(double_class.ToCString(), stub.EntryPoint()); |
| 1611 | 1611 |
| 1612 LocationSummary* locs = instruction_->locs(); | 1612 LocationSummary* locs = instruction_->locs(); |
| 1613 locs->live_registers()->Remove(locs->out()); | 1613 locs->live_registers()->Remove(locs->out()); |
| 1614 | 1614 |
| 1615 compiler->SaveLiveRegisters(locs); | 1615 compiler->SaveLiveRegisters(locs); |
| 1616 compiler->GenerateCall(Scanner::kDummyTokenIndex, // No token position. | 1616 compiler->GenerateCall(Scanner::kNoSourcePos, // No token position. |
| 1617 &label, | 1617 &label, |
| 1618 PcDescriptors::kOther, | 1618 PcDescriptors::kOther, |
| 1619 locs); | 1619 locs); |
| 1620 __ MoveRegister(locs->temp(0).reg(), EAX); | 1620 __ MoveRegister(locs->temp(0).reg(), EAX); |
| 1621 compiler->RestoreLiveRegisters(locs); | 1621 compiler->RestoreLiveRegisters(locs); |
| 1622 | 1622 |
| 1623 __ jmp(exit_label()); | 1623 __ jmp(exit_label()); |
| 1624 } | 1624 } |
| 1625 | 1625 |
| 1626 private: | 1626 private: |
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| 1890 __ Bind(entry_label()); | 1890 __ Bind(entry_label()); |
| 1891 const Class& double_class = compiler->double_class(); | 1891 const Class& double_class = compiler->double_class(); |
| 1892 const Code& stub = | 1892 const Code& stub = |
| 1893 Code::Handle(StubCode::GetAllocationStubForClass(double_class)); | 1893 Code::Handle(StubCode::GetAllocationStubForClass(double_class)); |
| 1894 const ExternalLabel label(double_class.ToCString(), stub.EntryPoint()); | 1894 const ExternalLabel label(double_class.ToCString(), stub.EntryPoint()); |
| 1895 | 1895 |
| 1896 LocationSummary* locs = instruction_->locs(); | 1896 LocationSummary* locs = instruction_->locs(); |
| 1897 locs->live_registers()->Remove(locs->out()); | 1897 locs->live_registers()->Remove(locs->out()); |
| 1898 | 1898 |
| 1899 compiler->SaveLiveRegisters(locs); | 1899 compiler->SaveLiveRegisters(locs); |
| 1900 compiler->GenerateCall(Scanner::kDummyTokenIndex, // No token position. | 1900 compiler->GenerateCall(Scanner::kNoSourcePos, // No token position. |
| 1901 &label, | 1901 &label, |
| 1902 PcDescriptors::kOther, | 1902 PcDescriptors::kOther, |
| 1903 locs); | 1903 locs); |
| 1904 __ MoveRegister(locs->out().reg(), EAX); | 1904 __ MoveRegister(locs->out().reg(), EAX); |
| 1905 compiler->RestoreLiveRegisters(locs); | 1905 compiler->RestoreLiveRegisters(locs); |
| 1906 | 1906 |
| 1907 __ jmp(exit_label()); | 1907 __ jmp(exit_label()); |
| 1908 } | 1908 } |
| 1909 | 1909 |
| 1910 private: | 1910 private: |
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| 2932 __ Bind(entry_label()); | 2932 __ Bind(entry_label()); |
| 2933 const Class& float32x4_class = compiler->float32x4_class(); | 2933 const Class& float32x4_class = compiler->float32x4_class(); |
| 2934 const Code& stub = | 2934 const Code& stub = |
| 2935 Code::Handle(StubCode::GetAllocationStubForClass(float32x4_class)); | 2935 Code::Handle(StubCode::GetAllocationStubForClass(float32x4_class)); |
| 2936 const ExternalLabel label(float32x4_class.ToCString(), stub.EntryPoint()); | 2936 const ExternalLabel label(float32x4_class.ToCString(), stub.EntryPoint()); |
| 2937 | 2937 |
| 2938 LocationSummary* locs = instruction_->locs(); | 2938 LocationSummary* locs = instruction_->locs(); |
| 2939 locs->live_registers()->Remove(locs->out()); | 2939 locs->live_registers()->Remove(locs->out()); |
| 2940 | 2940 |
| 2941 compiler->SaveLiveRegisters(locs); | 2941 compiler->SaveLiveRegisters(locs); |
| 2942 compiler->GenerateCall(Scanner::kDummyTokenIndex, // No token position. | 2942 compiler->GenerateCall(Scanner::kNoSourcePos, // No token position. |
| 2943 &label, | 2943 &label, |
| 2944 PcDescriptors::kOther, | 2944 PcDescriptors::kOther, |
| 2945 locs); | 2945 locs); |
| 2946 __ MoveRegister(locs->out().reg(), EAX); | 2946 __ MoveRegister(locs->out().reg(), EAX); |
| 2947 compiler->RestoreLiveRegisters(locs); | 2947 compiler->RestoreLiveRegisters(locs); |
| 2948 | 2948 |
| 2949 __ jmp(exit_label()); | 2949 __ jmp(exit_label()); |
| 2950 } | 2950 } |
| 2951 | 2951 |
| 2952 private: | 2952 private: |
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| 3026 __ Bind(entry_label()); | 3026 __ Bind(entry_label()); |
| 3027 const Class& int32x4_class = compiler->int32x4_class(); | 3027 const Class& int32x4_class = compiler->int32x4_class(); |
| 3028 const Code& stub = | 3028 const Code& stub = |
| 3029 Code::Handle(StubCode::GetAllocationStubForClass(int32x4_class)); | 3029 Code::Handle(StubCode::GetAllocationStubForClass(int32x4_class)); |
| 3030 const ExternalLabel label(int32x4_class.ToCString(), stub.EntryPoint()); | 3030 const ExternalLabel label(int32x4_class.ToCString(), stub.EntryPoint()); |
| 3031 | 3031 |
| 3032 LocationSummary* locs = instruction_->locs(); | 3032 LocationSummary* locs = instruction_->locs(); |
| 3033 locs->live_registers()->Remove(locs->out()); | 3033 locs->live_registers()->Remove(locs->out()); |
| 3034 | 3034 |
| 3035 compiler->SaveLiveRegisters(locs); | 3035 compiler->SaveLiveRegisters(locs); |
| 3036 compiler->GenerateCall(Scanner::kDummyTokenIndex, // No token position. | 3036 compiler->GenerateCall(Scanner::kNoSourcePos, // No token position. |
| 3037 &label, | 3037 &label, |
| 3038 PcDescriptors::kOther, | 3038 PcDescriptors::kOther, |
| 3039 locs); | 3039 locs); |
| 3040 __ MoveRegister(locs->out().reg(), EAX); | 3040 __ MoveRegister(locs->out().reg(), EAX); |
| 3041 compiler->RestoreLiveRegisters(locs); | 3041 compiler->RestoreLiveRegisters(locs); |
| 3042 | 3042 |
| 3043 __ jmp(exit_label()); | 3043 __ jmp(exit_label()); |
| 3044 } | 3044 } |
| 3045 | 3045 |
| 3046 private: | 3046 private: |
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| 4628 const Class& mint_class = | 4628 const Class& mint_class = |
| 4629 Class::ZoneHandle(Isolate::Current()->object_store()->mint_class()); | 4629 Class::ZoneHandle(Isolate::Current()->object_store()->mint_class()); |
| 4630 const Code& stub = | 4630 const Code& stub = |
| 4631 Code::Handle(StubCode::GetAllocationStubForClass(mint_class)); | 4631 Code::Handle(StubCode::GetAllocationStubForClass(mint_class)); |
| 4632 const ExternalLabel label(mint_class.ToCString(), stub.EntryPoint()); | 4632 const ExternalLabel label(mint_class.ToCString(), stub.EntryPoint()); |
| 4633 | 4633 |
| 4634 LocationSummary* locs = instruction_->locs(); | 4634 LocationSummary* locs = instruction_->locs(); |
| 4635 locs->live_registers()->Remove(locs->out()); | 4635 locs->live_registers()->Remove(locs->out()); |
| 4636 | 4636 |
| 4637 compiler->SaveLiveRegisters(locs); | 4637 compiler->SaveLiveRegisters(locs); |
| 4638 compiler->GenerateCall(Scanner::kDummyTokenIndex, // No token position. | 4638 compiler->GenerateCall(Scanner::kNoSourcePos, // No token position. |
| 4639 &label, | 4639 &label, |
| 4640 PcDescriptors::kOther, | 4640 PcDescriptors::kOther, |
| 4641 locs); | 4641 locs); |
| 4642 __ MoveRegister(locs->out().reg(), EAX); | 4642 __ MoveRegister(locs->out().reg(), EAX); |
| 4643 compiler->RestoreLiveRegisters(locs); | 4643 compiler->RestoreLiveRegisters(locs); |
| 4644 | 4644 |
| 4645 __ jmp(exit_label()); | 4645 __ jmp(exit_label()); |
| 4646 } | 4646 } |
| 4647 | 4647 |
| 4648 private: | 4648 private: |
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| 4927 | 4927 |
| 4928 void TargetEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 4928 void TargetEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 4929 __ Bind(compiler->GetJumpLabel(this)); | 4929 __ Bind(compiler->GetJumpLabel(this)); |
| 4930 if (!compiler->is_optimizing()) { | 4930 if (!compiler->is_optimizing()) { |
| 4931 compiler->EmitEdgeCounter(); | 4931 compiler->EmitEdgeCounter(); |
| 4932 // The deoptimization descriptor points after the edge counter code for | 4932 // The deoptimization descriptor points after the edge counter code for |
| 4933 // uniformity with ARM and MIPS, where we can reuse pattern matching | 4933 // uniformity with ARM and MIPS, where we can reuse pattern matching |
| 4934 // code that matches backwards from the end of the pattern. | 4934 // code that matches backwards from the end of the pattern. |
| 4935 compiler->AddCurrentDescriptor(PcDescriptors::kDeopt, | 4935 compiler->AddCurrentDescriptor(PcDescriptors::kDeopt, |
| 4936 deopt_id_, | 4936 deopt_id_, |
| 4937 Scanner::kDummyTokenIndex); | 4937 Scanner::kNoSourcePos); |
| 4938 } | 4938 } |
| 4939 if (HasParallelMove()) { | 4939 if (HasParallelMove()) { |
| 4940 compiler->parallel_move_resolver()->EmitNativeCode(parallel_move()); | 4940 compiler->parallel_move_resolver()->EmitNativeCode(parallel_move()); |
| 4941 } | 4941 } |
| 4942 } | 4942 } |
| 4943 | 4943 |
| 4944 | 4944 |
| 4945 LocationSummary* GotoInstr::MakeLocationSummary(bool opt) const { | 4945 LocationSummary* GotoInstr::MakeLocationSummary(bool opt) const { |
| 4946 return new LocationSummary(0, 0, LocationSummary::kNoCall); | 4946 return new LocationSummary(0, 0, LocationSummary::kNoCall); |
| 4947 } | 4947 } |
| 4948 | 4948 |
| 4949 | 4949 |
| 4950 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 4950 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 4951 if (!compiler->is_optimizing()) { | 4951 if (!compiler->is_optimizing()) { |
| 4952 compiler->EmitEdgeCounter(); | 4952 compiler->EmitEdgeCounter(); |
| 4953 // Add a deoptimization descriptor for deoptimizing instructions that | 4953 // Add a deoptimization descriptor for deoptimizing instructions that |
| 4954 // may be inserted before this instruction. This descriptor points | 4954 // may be inserted before this instruction. This descriptor points |
| 4955 // after the edge counter for uniformity with ARM and MIPS, where we can | 4955 // after the edge counter for uniformity with ARM and MIPS, where we can |
| 4956 // reuse pattern matching that matches backwards from the end of the | 4956 // reuse pattern matching that matches backwards from the end of the |
| 4957 // pattern. | 4957 // pattern. |
| 4958 compiler->AddCurrentDescriptor(PcDescriptors::kDeopt, | 4958 compiler->AddCurrentDescriptor(PcDescriptors::kDeopt, |
| 4959 GetDeoptId(), | 4959 GetDeoptId(), |
| 4960 Scanner::kDummyTokenIndex); | 4960 Scanner::kNoSourcePos); |
| 4961 } | 4961 } |
| 4962 if (HasParallelMove()) { | 4962 if (HasParallelMove()) { |
| 4963 compiler->parallel_move_resolver()->EmitNativeCode(parallel_move()); | 4963 compiler->parallel_move_resolver()->EmitNativeCode(parallel_move()); |
| 4964 } | 4964 } |
| 4965 | 4965 |
| 4966 // We can fall through if the successor is the next block in the list. | 4966 // We can fall through if the successor is the next block in the list. |
| 4967 // Otherwise, we need a jump. | 4967 // Otherwise, we need a jump. |
| 4968 if (!compiler->CanFallThroughTo(successor())) { | 4968 if (!compiler->CanFallThroughTo(successor())) { |
| 4969 __ jmp(compiler->GetJumpLabel(successor())); | 4969 __ jmp(compiler->GetJumpLabel(successor())); |
| 4970 } | 4970 } |
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| 5234 PcDescriptors::kOther, | 5234 PcDescriptors::kOther, |
| 5235 locs()); | 5235 locs()); |
| 5236 __ Drop(2); // Discard type arguments and receiver. | 5236 __ Drop(2); // Discard type arguments and receiver. |
| 5237 } | 5237 } |
| 5238 | 5238 |
| 5239 } // namespace dart | 5239 } // namespace dart |
| 5240 | 5240 |
| 5241 #undef __ | 5241 #undef __ |
| 5242 | 5242 |
| 5243 #endif // defined TARGET_ARCH_IA32 | 5243 #endif // defined TARGET_ARCH_IA32 |
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