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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 "lib/error.h" | 10 #include "lib/error.h" |
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25 // on the stack and return the result in a fixed register EAX. | 25 // on the stack and return the result in a fixed register EAX. |
26 LocationSummary* Computation::MakeCallSummary() { | 26 LocationSummary* Computation::MakeCallSummary() { |
27 LocationSummary* result = new LocationSummary(0, 0, LocationSummary::kCall); | 27 LocationSummary* result = new LocationSummary(0, 0, LocationSummary::kCall); |
28 result->set_out(Location::RegisterLocation(EAX)); | 28 result->set_out(Location::RegisterLocation(EAX)); |
29 return result; | 29 return result; |
30 } | 30 } |
31 | 31 |
32 | 32 |
33 void BindInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 33 void BindInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
34 computation()->EmitNativeCode(compiler); | 34 computation()->EmitNativeCode(compiler); |
35 if (is_used() && locs()->out().kind() == Location::kRegister) { | 35 if (is_used() && locs()->out().IsRegister()) { |
36 // TODO(vegorov): this should really happen only for comparisons fused | 36 // TODO(vegorov): this should really happen only for comparisons fused |
37 // with branches. Currrently IR does not provide an easy way to remove | 37 // with branches. Currrently IR does not provide an easy way to remove |
38 // instructions from the graph so we just leave fused comparison in it | 38 // instructions from the graph so we just leave fused comparison in it |
39 // but change its result location to be NoLocation. | 39 // but change its result location to be NoLocation. |
40 compiler->frame_register_allocator()->Push(locs()->out().reg(), this); | 40 compiler->frame_register_allocator()->Push(locs()->out().reg(), this); |
41 } | 41 } |
42 } | 42 } |
43 | 43 |
44 | 44 |
45 LocationSummary* ReturnInstr::MakeLocationSummary() const { | 45 LocationSummary* ReturnInstr::MakeLocationSummary() const { |
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140 } | 140 } |
141 | 141 |
142 | 142 |
143 LocationSummary* ConstantVal::MakeLocationSummary() const { | 143 LocationSummary* ConstantVal::MakeLocationSummary() const { |
144 return LocationSummary::Make(0, Location::RequiresRegister()); | 144 return LocationSummary::Make(0, Location::RequiresRegister()); |
145 } | 145 } |
146 | 146 |
147 | 147 |
148 void ConstantVal::EmitNativeCode(FlowGraphCompiler* compiler) { | 148 void ConstantVal::EmitNativeCode(FlowGraphCompiler* compiler) { |
149 Register result = locs()->out().reg(); | 149 Register result = locs()->out().reg(); |
150 if (value().IsSmi()) { | 150 __ LoadObject(result, value()); |
151 int32_t imm = reinterpret_cast<int32_t>(value().raw()); | |
152 __ movl(result, Immediate(imm)); | |
153 } else { | |
154 __ LoadObject(result, value()); | |
155 } | |
156 } | 151 } |
157 | 152 |
158 | 153 |
159 LocationSummary* AssertAssignableComp::MakeLocationSummary() const { | 154 LocationSummary* AssertAssignableComp::MakeLocationSummary() const { |
160 const intptr_t kNumInputs = 3; | 155 const intptr_t kNumInputs = 3; |
161 const intptr_t kNumTemps = 0; | 156 const intptr_t kNumTemps = 0; |
162 LocationSummary* summary = new LocationSummary(kNumInputs, | 157 LocationSummary* summary = new LocationSummary(kNumInputs, |
163 kNumTemps, | 158 kNumTemps, |
164 LocationSummary::kCall); | 159 LocationSummary::kCall); |
165 summary->set_in(0, Location::RegisterLocation(EAX)); // Value. | 160 summary->set_in(0, Location::RegisterLocation(EAX)); // Value. |
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1974 instance_call()->argument_names()); | 1969 instance_call()->argument_names()); |
1975 } | 1970 } |
1976 __ Bind(&done); | 1971 __ Bind(&done); |
1977 } | 1972 } |
1978 | 1973 |
1979 } // namespace dart | 1974 } // namespace dart |
1980 | 1975 |
1981 #undef __ | 1976 #undef __ |
1982 | 1977 |
1983 #endif // defined TARGET_ARCH_X64 | 1978 #endif // defined TARGET_ARCH_X64 |
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