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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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1181 uword label_address = 0; | 1181 uword label_address = 0; |
1182 StubCode* stub_code = isolate()->stub_code(); | 1182 StubCode* stub_code = isolate()->stub_code(); |
1183 if (ic_data.NumArgsTested() == 0) { | 1183 if (ic_data.NumArgsTested() == 0) { |
1184 label_address = stub_code->ZeroArgsUnoptimizedStaticCallEntryPoint(); | 1184 label_address = stub_code->ZeroArgsUnoptimizedStaticCallEntryPoint(); |
1185 } else if (ic_data.NumArgsTested() == 2) { | 1185 } else if (ic_data.NumArgsTested() == 2) { |
1186 label_address = stub_code->TwoArgsUnoptimizedStaticCallEntryPoint(); | 1186 label_address = stub_code->TwoArgsUnoptimizedStaticCallEntryPoint(); |
1187 } else { | 1187 } else { |
1188 UNIMPLEMENTED(); | 1188 UNIMPLEMENTED(); |
1189 } | 1189 } |
1190 ExternalLabel target_label(label_address); | 1190 ExternalLabel target_label(label_address); |
1191 __ movl(EDX, Immediate(0)); | |
1192 __ LoadObject(ECX, ic_data); | 1191 __ LoadObject(ECX, ic_data); |
1193 GenerateDartCall(deopt_id, | 1192 GenerateDartCall(deopt_id, |
1194 token_pos, | 1193 token_pos, |
1195 &target_label, | 1194 &target_label, |
1196 RawPcDescriptors::kUnoptStaticCall, | 1195 RawPcDescriptors::kUnoptStaticCall, |
1197 locs); | 1196 locs); |
1198 __ Drop(argument_count); | 1197 __ Drop(argument_count); |
1199 #if defined(DEBUG) | 1198 #if defined(DEBUG) |
| 1199 __ movl(ECX, Immediate(kInvalidObjectPointer)); |
1200 __ movl(EDX, Immediate(kInvalidObjectPointer)); | 1200 __ movl(EDX, Immediate(kInvalidObjectPointer)); |
1201 #endif | 1201 #endif |
1202 } | 1202 } |
1203 | 1203 |
1204 | 1204 |
1205 void FlowGraphCompiler::EmitEdgeCounter() { | 1205 void FlowGraphCompiler::EmitEdgeCounter() { |
1206 // We do not check for overflow when incrementing the edge counter. The | 1206 // We do not check for overflow when incrementing the edge counter. The |
1207 // function should normally be optimized long before the counter can | 1207 // function should normally be optimized long before the counter can |
1208 // overflow; and though we do not reset the counters when we optimize or | 1208 // overflow; and though we do not reset the counters when we optimize or |
1209 // deoptimize, there is a bound on the number of | 1209 // deoptimize, there is a bound on the number of |
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1242 } | 1242 } |
1243 | 1243 |
1244 | 1244 |
1245 void FlowGraphCompiler::EmitInstanceCall(ExternalLabel* target_label, | 1245 void FlowGraphCompiler::EmitInstanceCall(ExternalLabel* target_label, |
1246 const ICData& ic_data, | 1246 const ICData& ic_data, |
1247 intptr_t argument_count, | 1247 intptr_t argument_count, |
1248 intptr_t deopt_id, | 1248 intptr_t deopt_id, |
1249 intptr_t token_pos, | 1249 intptr_t token_pos, |
1250 LocationSummary* locs) { | 1250 LocationSummary* locs) { |
1251 ASSERT(Array::Handle(ic_data.arguments_descriptor()).Length() > 0); | 1251 ASSERT(Array::Handle(ic_data.arguments_descriptor()).Length() > 0); |
1252 __ movl(EDX, Immediate(0)); | |
1253 __ LoadObject(ECX, ic_data); | 1252 __ LoadObject(ECX, ic_data); |
1254 GenerateDartCall(deopt_id, | 1253 GenerateDartCall(deopt_id, |
1255 token_pos, | 1254 token_pos, |
1256 target_label, | 1255 target_label, |
1257 RawPcDescriptors::kIcCall, | 1256 RawPcDescriptors::kIcCall, |
1258 locs); | 1257 locs); |
1259 __ Drop(argument_count); | 1258 __ Drop(argument_count); |
1260 #if defined(DEBUG) | 1259 #if defined(DEBUG) |
1261 __ movl(EDX, Immediate(kInvalidObjectPointer)); | 1260 __ movl(EDX, Immediate(kInvalidObjectPointer)); |
1262 #endif | 1261 #endif |
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1386 Register right, | 1385 Register right, |
1387 bool needs_number_check, | 1386 bool needs_number_check, |
1388 intptr_t token_pos) { | 1387 intptr_t token_pos) { |
1389 if (needs_number_check) { | 1388 if (needs_number_check) { |
1390 StubCode* stub_code = isolate()->stub_code(); | 1389 StubCode* stub_code = isolate()->stub_code(); |
1391 __ pushl(left); | 1390 __ pushl(left); |
1392 __ pushl(right); | 1391 __ pushl(right); |
1393 if (is_optimizing()) { | 1392 if (is_optimizing()) { |
1394 __ call(&stub_code->OptimizedIdenticalWithNumberCheckLabel()); | 1393 __ call(&stub_code->OptimizedIdenticalWithNumberCheckLabel()); |
1395 } else { | 1394 } else { |
1396 __ movl(EDX, Immediate(0)); | |
1397 __ movl(ECX, Immediate(0)); | |
1398 __ call(&stub_code->UnoptimizedIdenticalWithNumberCheckLabel()); | 1395 __ call(&stub_code->UnoptimizedIdenticalWithNumberCheckLabel()); |
1399 } | 1396 } |
1400 if (token_pos != Scanner::kNoSourcePos) { | 1397 if (token_pos != Scanner::kNoSourcePos) { |
1401 AddCurrentDescriptor(RawPcDescriptors::kRuntimeCall, | 1398 AddCurrentDescriptor(RawPcDescriptors::kRuntimeCall, |
1402 Isolate::kNoDeoptId, | 1399 Isolate::kNoDeoptId, |
1403 token_pos); | 1400 token_pos); |
1404 } | 1401 } |
1405 #if defined(DEBUG) | 1402 #if defined(DEBUG) |
1406 if (!is_optimizing()) { | 1403 if (!is_optimizing()) { |
1407 // Do this *after* adding the pc descriptor! | 1404 // Do this *after* adding the pc descriptor! |
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1768 __ movups(reg, Address(ESP, 0)); | 1765 __ movups(reg, Address(ESP, 0)); |
1769 __ addl(ESP, Immediate(kFpuRegisterSize)); | 1766 __ addl(ESP, Immediate(kFpuRegisterSize)); |
1770 } | 1767 } |
1771 | 1768 |
1772 | 1769 |
1773 #undef __ | 1770 #undef __ |
1774 | 1771 |
1775 } // namespace dart | 1772 } // namespace dart |
1776 | 1773 |
1777 #endif // defined TARGET_ARCH_IA32 | 1774 #endif // defined TARGET_ARCH_IA32 |
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