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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #if V8_TARGET_ARCH_PPC | 5 #if V8_TARGET_ARCH_PPC |
6 | 6 |
7 #include "src/full-codegen/full-codegen.h" | 7 #include "src/full-codegen/full-codegen.h" |
8 #include "src/ast/compile-time-value.h" | 8 #include "src/ast/compile-time-value.h" |
9 #include "src/ast/scopes.h" | 9 #include "src/ast/scopes.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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1189 __ CallStub(&stub); | 1189 __ CallStub(&stub); |
1190 RestoreContext(); | 1190 RestoreContext(); |
1191 } | 1191 } |
1192 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); | 1192 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); |
1193 | 1193 |
1194 // If result_saved is true the result is on top of the stack. If | 1194 // If result_saved is true the result is on top of the stack. If |
1195 // result_saved is false the result is in r3. | 1195 // result_saved is false the result is in r3. |
1196 bool result_saved = false; | 1196 bool result_saved = false; |
1197 | 1197 |
1198 AccessorTable accessor_table(zone()); | 1198 AccessorTable accessor_table(zone()); |
1199 int property_index = 0; | 1199 for (int i = 0; i < expr->properties()->length(); i++) { |
1200 for (; property_index < expr->properties()->length(); property_index++) { | 1200 ObjectLiteral::Property* property = expr->properties()->at(i); |
1201 ObjectLiteral::Property* property = expr->properties()->at(property_index); | 1201 DCHECK(!property->is_computed_name()); |
1202 if (property->is_computed_name()) break; | |
1203 if (property->IsCompileTimeValue()) continue; | 1202 if (property->IsCompileTimeValue()) continue; |
1204 | 1203 |
1205 Literal* key = property->key()->AsLiteral(); | 1204 Literal* key = property->key()->AsLiteral(); |
1206 Expression* value = property->value(); | 1205 Expression* value = property->value(); |
1207 if (!result_saved) { | 1206 if (!result_saved) { |
1208 PushOperand(r3); // Save result on stack | 1207 PushOperand(r3); // Save result on stack |
1209 result_saved = true; | 1208 result_saved = true; |
1210 } | 1209 } |
1211 switch (property->kind()) { | 1210 switch (property->kind()) { |
1212 case ObjectLiteral::Property::CONSTANT: | 1211 case ObjectLiteral::Property::CONSTANT: |
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1250 DropOperands(3); | 1249 DropOperands(3); |
1251 } | 1250 } |
1252 break; | 1251 break; |
1253 case ObjectLiteral::Property::PROTOTYPE: | 1252 case ObjectLiteral::Property::PROTOTYPE: |
1254 // Duplicate receiver on stack. | 1253 // Duplicate receiver on stack. |
1255 __ LoadP(r3, MemOperand(sp)); | 1254 __ LoadP(r3, MemOperand(sp)); |
1256 PushOperand(r3); | 1255 PushOperand(r3); |
1257 VisitForStackValue(value); | 1256 VisitForStackValue(value); |
1258 DCHECK(property->emit_store()); | 1257 DCHECK(property->emit_store()); |
1259 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); | 1258 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); |
1260 PrepareForBailoutForId(expr->GetIdForPropertySet(property_index), | 1259 PrepareForBailoutForId(expr->GetIdForPropertySet(i), |
1261 BailoutState::NO_REGISTERS); | 1260 BailoutState::NO_REGISTERS); |
1262 break; | 1261 break; |
1263 case ObjectLiteral::Property::GETTER: | 1262 case ObjectLiteral::Property::GETTER: |
1264 if (property->emit_store()) { | 1263 if (property->emit_store()) { |
1265 AccessorTable::Iterator it = accessor_table.lookup(key); | 1264 AccessorTable::Iterator it = accessor_table.lookup(key); |
1266 it->second->bailout_id = expr->GetIdForPropertySet(property_index); | 1265 it->second->bailout_id = expr->GetIdForPropertySet(i); |
1267 it->second->getter = property; | 1266 it->second->getter = property; |
1268 } | 1267 } |
1269 break; | 1268 break; |
1270 case ObjectLiteral::Property::SETTER: | 1269 case ObjectLiteral::Property::SETTER: |
1271 if (property->emit_store()) { | 1270 if (property->emit_store()) { |
1272 AccessorTable::Iterator it = accessor_table.lookup(key); | 1271 AccessorTable::Iterator it = accessor_table.lookup(key); |
1273 it->second->bailout_id = expr->GetIdForPropertySet(property_index); | 1272 it->second->bailout_id = expr->GetIdForPropertySet(i); |
1274 it->second->setter = property; | 1273 it->second->setter = property; |
1275 } | 1274 } |
1276 break; | 1275 break; |
1277 } | 1276 } |
1278 } | 1277 } |
1279 | 1278 |
1280 // Emit code to define accessors, using only a single call to the runtime for | 1279 // Emit code to define accessors, using only a single call to the runtime for |
1281 // each pair of corresponding getters and setters. | 1280 // each pair of corresponding getters and setters. |
1282 for (AccessorTable::Iterator it = accessor_table.begin(); | 1281 for (AccessorTable::Iterator it = accessor_table.begin(); |
1283 it != accessor_table.end(); ++it) { | 1282 it != accessor_table.end(); ++it) { |
1284 __ LoadP(r3, MemOperand(sp)); // Duplicate receiver. | 1283 __ LoadP(r3, MemOperand(sp)); // Duplicate receiver. |
1285 PushOperand(r3); | 1284 PushOperand(r3); |
1286 VisitForStackValue(it->first); | 1285 VisitForStackValue(it->first); |
1287 EmitAccessor(it->second->getter); | 1286 EmitAccessor(it->second->getter); |
1288 EmitAccessor(it->second->setter); | 1287 EmitAccessor(it->second->setter); |
1289 __ LoadSmiLiteral(r3, Smi::FromInt(NONE)); | 1288 __ LoadSmiLiteral(r3, Smi::FromInt(NONE)); |
1290 PushOperand(r3); | 1289 PushOperand(r3); |
1291 CallRuntimeWithOperands(Runtime::kDefineAccessorPropertyUnchecked); | 1290 CallRuntimeWithOperands(Runtime::kDefineAccessorPropertyUnchecked); |
1292 PrepareForBailoutForId(it->second->bailout_id, BailoutState::NO_REGISTERS); | 1291 PrepareForBailoutForId(it->second->bailout_id, BailoutState::NO_REGISTERS); |
1293 } | 1292 } |
1294 | 1293 |
1295 // Object literals have two parts. The "static" part on the left contains no | |
1296 // computed property names, and so we can compute its map ahead of time; see | |
1297 // runtime.cc::CreateObjectLiteralBoilerplate. The second "dynamic" part | |
1298 // starts with the first computed property name, and continues with all | |
1299 // properties to its right. All the code from above initializes the static | |
1300 // component of the object literal, and arranges for the map of the result to | |
1301 // reflect the static order in which the keys appear. For the dynamic | |
1302 // properties, we compile them into a series of "SetOwnProperty" runtime | |
1303 // calls. This will preserve insertion order. | |
1304 for (; property_index < expr->properties()->length(); property_index++) { | |
1305 ObjectLiteral::Property* property = expr->properties()->at(property_index); | |
1306 | |
1307 Expression* value = property->value(); | |
1308 if (!result_saved) { | |
1309 PushOperand(r3); // Save result on the stack | |
1310 result_saved = true; | |
1311 } | |
1312 | |
1313 __ LoadP(r3, MemOperand(sp)); // Duplicate receiver. | |
1314 PushOperand(r3); | |
1315 | |
1316 if (property->kind() == ObjectLiteral::Property::PROTOTYPE) { | |
1317 DCHECK(!property->is_computed_name()); | |
1318 VisitForStackValue(value); | |
1319 DCHECK(property->emit_store()); | |
1320 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); | |
1321 PrepareForBailoutForId(expr->GetIdForPropertySet(property_index), | |
1322 BailoutState::NO_REGISTERS); | |
1323 } else { | |
1324 EmitPropertyKey(property, expr->GetIdForPropertyName(property_index)); | |
1325 VisitForStackValue(value); | |
1326 if (NeedsHomeObject(value)) { | |
1327 EmitSetHomeObject(value, 2, property->GetSlot()); | |
1328 } | |
1329 | |
1330 switch (property->kind()) { | |
1331 case ObjectLiteral::Property::CONSTANT: | |
1332 case ObjectLiteral::Property::MATERIALIZED_LITERAL: | |
1333 case ObjectLiteral::Property::COMPUTED: | |
1334 case ObjectLiteral::Property::PROTOTYPE: | |
1335 UNREACHABLE(); | |
1336 break; | |
1337 | |
1338 case ObjectLiteral::Property::GETTER: | |
1339 PushOperand(Smi::FromInt(NONE)); | |
1340 CallRuntimeWithOperands(Runtime::kDefineGetterPropertyUnchecked); | |
1341 break; | |
1342 | |
1343 case ObjectLiteral::Property::SETTER: | |
1344 PushOperand(Smi::FromInt(NONE)); | |
1345 CallRuntimeWithOperands(Runtime::kDefineSetterPropertyUnchecked); | |
1346 break; | |
1347 } | |
1348 } | |
1349 } | |
1350 | |
1351 if (result_saved) { | 1294 if (result_saved) { |
1352 context()->PlugTOS(); | 1295 context()->PlugTOS(); |
1353 } else { | 1296 } else { |
1354 context()->Plug(r3); | 1297 context()->Plug(r3); |
1355 } | 1298 } |
1356 } | 1299 } |
1357 | 1300 |
1358 | 1301 |
1359 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { | 1302 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { |
1360 Comment cmnt(masm_, "[ ArrayLiteral"); | 1303 Comment cmnt(masm_, "[ ArrayLiteral"); |
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3130 | 3073 |
3131 DCHECK(Assembler::IsCrSet(Assembler::instr_at(cmp_address))); | 3074 DCHECK(Assembler::IsCrSet(Assembler::instr_at(cmp_address))); |
3132 | 3075 |
3133 DCHECK(interrupt_address == | 3076 DCHECK(interrupt_address == |
3134 isolate->builtins()->OnStackReplacement()->entry()); | 3077 isolate->builtins()->OnStackReplacement()->entry()); |
3135 return ON_STACK_REPLACEMENT; | 3078 return ON_STACK_REPLACEMENT; |
3136 } | 3079 } |
3137 } // namespace internal | 3080 } // namespace internal |
3138 } // namespace v8 | 3081 } // namespace v8 |
3139 #endif // V8_TARGET_ARCH_PPC | 3082 #endif // V8_TARGET_ARCH_PPC |
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