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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 "vm/ast_printer.h" | 10 #include "vm/ast_printer.h" |
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1278 intptr_t argument_count, | 1278 intptr_t argument_count, |
1279 intptr_t deopt_id, | 1279 intptr_t deopt_id, |
1280 intptr_t token_pos, | 1280 intptr_t token_pos, |
1281 LocationSummary* locs) { | 1281 LocationSummary* locs) { |
1282 const String& name = String::Handle(zone(), ic_data.target_name()); | 1282 const String& name = String::Handle(zone(), ic_data.target_name()); |
1283 const Array& arguments_descriptor = | 1283 const Array& arguments_descriptor = |
1284 Array::ZoneHandle(zone(), ic_data.arguments_descriptor()); | 1284 Array::ZoneHandle(zone(), ic_data.arguments_descriptor()); |
1285 ASSERT(!arguments_descriptor.IsNull() && (arguments_descriptor.Length() > 0)); | 1285 ASSERT(!arguments_descriptor.IsNull() && (arguments_descriptor.Length() > 0)); |
1286 const MegamorphicCache& cache = MegamorphicCache::ZoneHandle(zone(), | 1286 const MegamorphicCache& cache = MegamorphicCache::ZoneHandle(zone(), |
1287 MegamorphicCacheTable::Lookup(isolate(), name, arguments_descriptor)); | 1287 MegamorphicCacheTable::Lookup(isolate(), name, arguments_descriptor)); |
1288 const Register receiverR = ECX; | |
1289 const Register cacheR = EBX; | |
1290 const Register targetR = EBX; | |
1291 __ movl(receiverR, Address(ESP, (argument_count - 1) * kWordSize)); | |
1292 __ LoadObject(cacheR, cache); | |
1293 | 1288 |
| 1289 __ Comment("MegamorphicCall"); |
| 1290 __ movl(EBX, Address(ESP, (argument_count - 1) * kWordSize)); |
| 1291 __ LoadObject(ECX, cache); |
1294 if (FLAG_use_megamorphic_stub) { | 1292 if (FLAG_use_megamorphic_stub) { |
1295 __ Call(*StubCode::MegamorphicLookup_entry()); | 1293 __ Call(*StubCode::MegamorphicLookup_entry()); |
1296 } else { | 1294 } else { |
1297 StubCode::EmitMegamorphicLookup(assembler(), receiverR, cacheR, targetR); | 1295 StubCode::EmitMegamorphicLookup(assembler()); |
1298 } | 1296 } |
| 1297 __ call(EBX); |
1299 | 1298 |
1300 __ LoadObject(ECX, ic_data); | |
1301 __ LoadObject(EDX, arguments_descriptor); | |
1302 __ call(targetR); | |
1303 AddCurrentDescriptor(RawPcDescriptors::kOther, | 1299 AddCurrentDescriptor(RawPcDescriptors::kOther, |
1304 Thread::kNoDeoptId, token_pos); | 1300 Thread::kNoDeoptId, token_pos); |
1305 RecordSafepoint(locs); | 1301 RecordSafepoint(locs); |
| 1302 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); |
| 1303 if (is_optimizing()) { |
| 1304 AddDeoptIndexAtCall(deopt_id_after, token_pos); |
| 1305 } else { |
| 1306 // Add deoptimization continuation point after the call and before the |
| 1307 // arguments are removed. |
| 1308 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
| 1309 } |
| 1310 __ Drop(argument_count); |
| 1311 } |
| 1312 |
| 1313 |
| 1314 void FlowGraphCompiler::EmitSwitchableInstanceCall( |
| 1315 const ICData& ic_data, |
| 1316 intptr_t argument_count, |
| 1317 intptr_t deopt_id, |
| 1318 intptr_t token_pos, |
| 1319 LocationSummary* locs) { |
| 1320 __ Comment("SwitchableCall"); |
| 1321 __ movl(EBX, Address(ESP, (argument_count - 1) * kWordSize)); |
| 1322 if (ic_data.NumArgsTested() == 1) { |
| 1323 __ LoadObject(ECX, ic_data); |
| 1324 __ Call(*StubCode::ICLookup_entry()); |
| 1325 } else { |
| 1326 const String& name = String::Handle(zone(), ic_data.target_name()); |
| 1327 const Array& arguments_descriptor = |
| 1328 Array::ZoneHandle(zone(), ic_data.arguments_descriptor()); |
| 1329 ASSERT(!arguments_descriptor.IsNull() && |
| 1330 (arguments_descriptor.Length() > 0)); |
| 1331 const MegamorphicCache& cache = MegamorphicCache::ZoneHandle(zone(), |
| 1332 MegamorphicCacheTable::Lookup(isolate(), name, arguments_descriptor)); |
| 1333 |
| 1334 __ LoadObject(ECX, cache); |
| 1335 __ Call(*StubCode::MegamorphicLookup_entry()); |
| 1336 } |
| 1337 __ call(EBX); |
| 1338 |
| 1339 AddCurrentDescriptor(RawPcDescriptors::kOther, |
| 1340 Thread::kNoDeoptId, token_pos); |
| 1341 RecordSafepoint(locs); |
1306 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); | 1342 const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id); |
1307 if (is_optimizing()) { | 1343 if (is_optimizing()) { |
1308 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1344 AddDeoptIndexAtCall(deopt_id_after, token_pos); |
1309 } else { | 1345 } else { |
1310 // Add deoptimization continuation point after the call and before the | 1346 // Add deoptimization continuation point after the call and before the |
1311 // arguments are removed. | 1347 // arguments are removed. |
1312 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1348 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1313 } | 1349 } |
1314 __ Drop(argument_count); | 1350 __ Drop(argument_count); |
1315 } | 1351 } |
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1827 __ movups(reg, Address(ESP, 0)); | 1863 __ movups(reg, Address(ESP, 0)); |
1828 __ addl(ESP, Immediate(kFpuRegisterSize)); | 1864 __ addl(ESP, Immediate(kFpuRegisterSize)); |
1829 } | 1865 } |
1830 | 1866 |
1831 | 1867 |
1832 #undef __ | 1868 #undef __ |
1833 | 1869 |
1834 } // namespace dart | 1870 } // namespace dart |
1835 | 1871 |
1836 #endif // defined TARGET_ARCH_IA32 | 1872 #endif // defined TARGET_ARCH_IA32 |
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