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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/flow_graph_compiler.h" | 8 #include "vm/flow_graph_compiler.h" |
| 9 | 9 |
| 10 #include "lib/error.h" | 10 #include "lib/error.h" |
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| 41 | 41 |
| 42 | 42 |
| 43 bool FlowGraphCompiler::SupportsUnboxedMints() { | 43 bool FlowGraphCompiler::SupportsUnboxedMints() { |
| 44 // Support unboxed mints when SSE 4.1 is available. | 44 // Support unboxed mints when SSE 4.1 is available. |
| 45 return FLAG_unbox_mints && CPUFeatures::sse4_1_supported(); | 45 return FLAG_unbox_mints && CPUFeatures::sse4_1_supported(); |
| 46 } | 46 } |
| 47 | 47 |
| 48 | 48 |
| 49 RawDeoptInfo* CompilerDeoptInfo::CreateDeoptInfo(FlowGraphCompiler* compiler, | 49 RawDeoptInfo* CompilerDeoptInfo::CreateDeoptInfo(FlowGraphCompiler* compiler, |
| 50 DeoptInfoBuilder* builder) { | 50 DeoptInfoBuilder* builder) { |
| 51 if (deoptimization_env_ == NULL) return DeoptInfo::null(); | 51 if (deopt_env_ == NULL) return DeoptInfo::null(); |
| 52 | 52 |
| 53 intptr_t stack_height = compiler->StackSize(); | 53 intptr_t stack_height = compiler->StackSize(); |
| 54 AllocateIncomingParametersRecursive(deoptimization_env_, &stack_height); | 54 AllocateIncomingParametersRecursive(deopt_env_, &stack_height); |
| 55 | 55 |
| 56 intptr_t slot_ix = 0; | 56 intptr_t slot_ix = 0; |
| 57 Environment* current = deoptimization_env_; | 57 Environment* current = deopt_env_; |
| 58 | 58 |
| 59 // Emit all kMaterializeObject instructions describing objects to be | 59 // Emit all kMaterializeObject instructions describing objects to be |
| 60 // materialized on the deoptimization as a prefix to the deoptimization info. | 60 // materialized on the deoptimization as a prefix to the deoptimization info. |
| 61 EmitMaterializations(deoptimization_env_, builder); | 61 EmitMaterializations(deopt_env_, builder); |
| 62 | 62 |
| 63 // The real frame starts here. | 63 // The real frame starts here. |
| 64 builder->MarkFrameStart(); | 64 builder->MarkFrameStart(); |
| 65 | 65 |
| 66 // Callee's PC marker is not used anymore. Pass Function::null() to set to 0. | 66 // Callee's PC marker is not used anymore. Pass Function::null() to set to 0. |
| 67 builder->AddPcMarker(Function::Handle(), slot_ix++); | 67 builder->AddPcMarker(Function::Handle(), slot_ix++); |
| 68 | 68 |
| 69 // Current FP and PC. | 69 // Current FP and PC. |
| 70 builder->AddCallerFp(slot_ix++); | 70 builder->AddCallerFp(slot_ix++); |
| 71 builder->AddReturnAddress(current->function(), | 71 builder->AddReturnAddress(current->function(), |
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| 141 void CompilerDeoptInfoWithStub::GenerateCode(FlowGraphCompiler* compiler, | 141 void CompilerDeoptInfoWithStub::GenerateCode(FlowGraphCompiler* compiler, |
| 142 intptr_t stub_ix) { | 142 intptr_t stub_ix) { |
| 143 // Calls do not need stubs, they share a deoptimization trampoline. | 143 // Calls do not need stubs, they share a deoptimization trampoline. |
| 144 ASSERT(reason() != kDeoptAtCall); | 144 ASSERT(reason() != kDeoptAtCall); |
| 145 Assembler* assem = compiler->assembler(); | 145 Assembler* assem = compiler->assembler(); |
| 146 #define __ assem-> | 146 #define __ assem-> |
| 147 __ Comment("Deopt stub for id %"Pd"", deopt_id()); | 147 __ Comment("Deopt stub for id %"Pd"", deopt_id()); |
| 148 __ Bind(entry_label()); | 148 __ Bind(entry_label()); |
| 149 if (FLAG_trap_on_deoptimization) __ int3(); | 149 if (FLAG_trap_on_deoptimization) __ int3(); |
| 150 | 150 |
| 151 ASSERT(deoptimization_env() != NULL); | 151 ASSERT(deopt_env() != NULL); |
| 152 | 152 |
| 153 __ call(&StubCode::DeoptimizeLabel()); | 153 __ call(&StubCode::DeoptimizeLabel()); |
| 154 set_pc_offset(assem->CodeSize()); | 154 set_pc_offset(assem->CodeSize()); |
| 155 __ int3(); | 155 __ int3(); |
| 156 #undef __ | 156 #undef __ |
| 157 } | 157 } |
| 158 | 158 |
| 159 | 159 |
| 160 #define __ assembler()-> | 160 #define __ assembler()-> |
| 161 | 161 |
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| 1952 __ movups(reg, Address(ESP, 0)); | 1952 __ movups(reg, Address(ESP, 0)); |
| 1953 __ addl(ESP, Immediate(kFpuRegisterSize)); | 1953 __ addl(ESP, Immediate(kFpuRegisterSize)); |
| 1954 } | 1954 } |
| 1955 | 1955 |
| 1956 | 1956 |
| 1957 #undef __ | 1957 #undef __ |
| 1958 | 1958 |
| 1959 } // namespace dart | 1959 } // namespace dart |
| 1960 | 1960 |
| 1961 #endif // defined TARGET_ARCH_IA32 | 1961 #endif // defined TARGET_ARCH_IA32 |
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