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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_ARM. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. |
6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/cpu.h" | 10 #include "vm/cpu.h" |
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2237 | 2237 |
2238 | 2238 |
2239 // When the parser is building an implicit static getter for optimization, | 2239 // When the parser is building an implicit static getter for optimization, |
2240 // it can generate a function body where deoptimization ids do not line up | 2240 // it can generate a function body where deoptimization ids do not line up |
2241 // with the unoptimized code. | 2241 // with the unoptimized code. |
2242 // | 2242 // |
2243 // This is safe only so long as LoadStaticFieldInstr cannot deoptimize. | 2243 // This is safe only so long as LoadStaticFieldInstr cannot deoptimize. |
2244 void LoadStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2244 void LoadStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
2245 const Register field = locs()->in(0).reg(); | 2245 const Register field = locs()->in(0).reg(); |
2246 const Register result = locs()->out(0).reg(); | 2246 const Register result = locs()->out(0).reg(); |
2247 __ LoadFieldFromOffset(kWord, result, field, Field::value_offset()); | 2247 __ LoadFieldFromOffset(kWord, result, field, Field::static_value_offset()); |
2248 } | 2248 } |
2249 | 2249 |
2250 | 2250 |
2251 LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(Zone* zone, | 2251 LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(Zone* zone, |
2252 bool opt) const { | 2252 bool opt) const { |
2253 LocationSummary* locs = new(zone) LocationSummary( | 2253 LocationSummary* locs = new(zone) LocationSummary( |
2254 zone, 1, 1, LocationSummary::kNoCall); | 2254 zone, 1, 1, LocationSummary::kNoCall); |
2255 locs->set_in(0, value()->NeedsStoreBuffer() ? Location::WritableRegister() | 2255 locs->set_in(0, value()->NeedsStoreBuffer() ? Location::WritableRegister() |
2256 : Location::RequiresRegister()); | 2256 : Location::RequiresRegister()); |
2257 locs->set_temp(0, Location::RequiresRegister()); | 2257 locs->set_temp(0, Location::RequiresRegister()); |
2258 return locs; | 2258 return locs; |
2259 } | 2259 } |
2260 | 2260 |
2261 | 2261 |
2262 void StoreStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2262 void StoreStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
2263 const Register value = locs()->in(0).reg(); | 2263 const Register value = locs()->in(0).reg(); |
2264 const Register temp = locs()->temp(0).reg(); | 2264 const Register temp = locs()->temp(0).reg(); |
2265 | 2265 |
2266 __ LoadObject(temp, field()); | 2266 __ LoadObject(temp, field()); |
2267 if (this->value()->NeedsStoreBuffer()) { | 2267 if (this->value()->NeedsStoreBuffer()) { |
2268 __ StoreIntoObject(temp, | 2268 __ StoreIntoObject(temp, |
2269 FieldAddress(temp, Field::value_offset()), value, CanValueBeSmi()); | 2269 FieldAddress(temp, Field::static_value_offset()), |
| 2270 value, |
| 2271 CanValueBeSmi()); |
2270 } else { | 2272 } else { |
2271 __ StoreIntoObjectNoBarrier( | 2273 __ StoreIntoObjectNoBarrier( |
2272 temp, FieldAddress(temp, Field::value_offset()), value); | 2274 temp, FieldAddress(temp, Field::static_value_offset()), value); |
2273 } | 2275 } |
2274 } | 2276 } |
2275 | 2277 |
2276 | 2278 |
2277 LocationSummary* InstanceOfInstr::MakeLocationSummary(Zone* zone, | 2279 LocationSummary* InstanceOfInstr::MakeLocationSummary(Zone* zone, |
2278 bool opt) const { | 2280 bool opt) const { |
2279 const intptr_t kNumInputs = 3; | 2281 const intptr_t kNumInputs = 3; |
2280 const intptr_t kNumTemps = 0; | 2282 const intptr_t kNumTemps = 0; |
2281 LocationSummary* summary = new(zone) LocationSummary( | 2283 LocationSummary* summary = new(zone) LocationSummary( |
2282 zone, kNumInputs, kNumTemps, LocationSummary::kCall); | 2284 zone, kNumInputs, kNumTemps, LocationSummary::kCall); |
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2768 locs->set_temp(0, Location::RegisterLocation(R1)); | 2770 locs->set_temp(0, Location::RegisterLocation(R1)); |
2769 return locs; | 2771 return locs; |
2770 } | 2772 } |
2771 | 2773 |
2772 | 2774 |
2773 void InitStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2775 void InitStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
2774 Register field = locs()->in(0).reg(); | 2776 Register field = locs()->in(0).reg(); |
2775 Register temp = locs()->temp(0).reg(); | 2777 Register temp = locs()->temp(0).reg(); |
2776 Label call_runtime, no_call; | 2778 Label call_runtime, no_call; |
2777 | 2779 |
2778 __ ldr(temp, FieldAddress(field, Field::value_offset())); | 2780 __ ldr(temp, FieldAddress(field, Field::static_value_offset())); |
2779 __ CompareObject(temp, Object::sentinel()); | 2781 __ CompareObject(temp, Object::sentinel()); |
2780 __ b(&call_runtime, EQ); | 2782 __ b(&call_runtime, EQ); |
2781 | 2783 |
2782 __ CompareObject(temp, Object::transition_sentinel()); | 2784 __ CompareObject(temp, Object::transition_sentinel()); |
2783 __ b(&no_call, NE); | 2785 __ b(&no_call, NE); |
2784 | 2786 |
2785 __ Bind(&call_runtime); | 2787 __ Bind(&call_runtime); |
2786 __ PushObject(Object::null_object()); // Make room for (unused) result. | 2788 __ PushObject(Object::null_object()); // Make room for (unused) result. |
2787 __ Push(field); | 2789 __ Push(field); |
2788 compiler->GenerateRuntimeCall(token_pos(), | 2790 compiler->GenerateRuntimeCall(token_pos(), |
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6862 1, | 6864 1, |
6863 locs()); | 6865 locs()); |
6864 __ Drop(1); | 6866 __ Drop(1); |
6865 __ Pop(result); | 6867 __ Pop(result); |
6866 } | 6868 } |
6867 | 6869 |
6868 | 6870 |
6869 } // namespace dart | 6871 } // namespace dart |
6870 | 6872 |
6871 #endif // defined TARGET_ARCH_ARM | 6873 #endif // defined TARGET_ARCH_ARM |
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