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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" |
| 11 #include "vm/code_patcher.h" |
| 11 #include "vm/compiler.h" | 12 #include "vm/compiler.h" |
| 12 #include "vm/cpu.h" | 13 #include "vm/cpu.h" |
| 13 #include "vm/dart_entry.h" | 14 #include "vm/dart_entry.h" |
| 14 #include "vm/deopt_instructions.h" | 15 #include "vm/deopt_instructions.h" |
| 15 #include "vm/flow_graph_builder.h" | 16 #include "vm/flow_graph_builder.h" |
| 16 #include "vm/il_printer.h" | 17 #include "vm/il_printer.h" |
| 17 #include "vm/locations.h" | 18 #include "vm/locations.h" |
| 18 #include "vm/object_store.h" | 19 #include "vm/object_store.h" |
| 19 #include "vm/parser.h" | 20 #include "vm/parser.h" |
| 20 #include "vm/stack_frame.h" | 21 #include "vm/stack_frame.h" |
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| 1221 void FlowGraphCompiler::EmitEdgeCounter() { | 1222 void FlowGraphCompiler::EmitEdgeCounter() { |
| 1222 // We do not check for overflow when incrementing the edge counter. The | 1223 // We do not check for overflow when incrementing the edge counter. The |
| 1223 // function should normally be optimized long before the counter can | 1224 // function should normally be optimized long before the counter can |
| 1224 // overflow; and though we do not reset the counters when we optimize or | 1225 // overflow; and though we do not reset the counters when we optimize or |
| 1225 // deoptimize, there is a bound on the number of | 1226 // deoptimize, there is a bound on the number of |
| 1226 // optimization/deoptimization cycles we will attempt. | 1227 // optimization/deoptimization cycles we will attempt. |
| 1227 const Array& counter = Array::ZoneHandle(Array::New(1, Heap::kOld)); | 1228 const Array& counter = Array::ZoneHandle(Array::New(1, Heap::kOld)); |
| 1228 counter.SetAt(0, Smi::Handle(Smi::New(0))); | 1229 counter.SetAt(0, Smi::Handle(Smi::New(0))); |
| 1229 __ Comment("Edge counter"); | 1230 __ Comment("Edge counter"); |
| 1230 __ LoadObject(EAX, counter); | 1231 __ LoadObject(EAX, counter); |
| 1231 __ addl(FieldAddress(EAX, Array::element_offset(0)), | 1232 #if defined(DEBUG) |
| 1232 Immediate(Smi::RawValue(1))); | 1233 intptr_t increment_start = assembler_->CodeSize(); |
| 1234 #endif // DEBUG |
| 1235 __ IncrementSmiField(FieldAddress(EAX, Array::element_offset(0)), 1); |
| 1236 DEBUG_ASSERT((assembler_->CodeSize() - increment_start) == |
| 1237 CodePatcher::EdgeCounterIncrementSizeInBytes()); |
| 1233 } | 1238 } |
| 1234 | 1239 |
| 1235 | 1240 |
| 1236 void FlowGraphCompiler::EmitOptimizedInstanceCall( | 1241 void FlowGraphCompiler::EmitOptimizedInstanceCall( |
| 1237 ExternalLabel* target_label, | 1242 ExternalLabel* target_label, |
| 1238 const ICData& ic_data, | 1243 const ICData& ic_data, |
| 1239 intptr_t argument_count, | 1244 intptr_t argument_count, |
| 1240 intptr_t deopt_id, | 1245 intptr_t deopt_id, |
| 1241 intptr_t token_pos, | 1246 intptr_t token_pos, |
| 1242 LocationSummary* locs) { | 1247 LocationSummary* locs) { |
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| 1803 __ movups(reg, Address(ESP, 0)); | 1808 __ movups(reg, Address(ESP, 0)); |
| 1804 __ addl(ESP, Immediate(kFpuRegisterSize)); | 1809 __ addl(ESP, Immediate(kFpuRegisterSize)); |
| 1805 } | 1810 } |
| 1806 | 1811 |
| 1807 | 1812 |
| 1808 #undef __ | 1813 #undef __ |
| 1809 | 1814 |
| 1810 } // namespace dart | 1815 } // namespace dart |
| 1811 | 1816 |
| 1812 #endif // defined TARGET_ARCH_IA32 | 1817 #endif // defined TARGET_ARCH_IA32 |
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