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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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_ARM64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM64. |
6 #if defined(TARGET_ARCH_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
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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1171 AddDeoptIndexAtCall(deopt_id_after, token_pos); | 1171 AddDeoptIndexAtCall(deopt_id_after, token_pos); |
1172 } else { | 1172 } else { |
1173 // Add deoptimization continuation point after the call and before the | 1173 // Add deoptimization continuation point after the call and before the |
1174 // arguments are removed. | 1174 // arguments are removed. |
1175 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); | 1175 AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after, token_pos); |
1176 } | 1176 } |
1177 } | 1177 } |
1178 } | 1178 } |
1179 | 1179 |
1180 | 1180 |
1181 void FlowGraphCompiler::EmitEdgeCounter() { | 1181 void FlowGraphCompiler::EmitEdgeCounter(intptr_t edge_id) { |
1182 // We do not check for overflow when incrementing the edge counter. The | 1182 // We do not check for overflow when incrementing the edge counter. The |
1183 // function should normally be optimized long before the counter can | 1183 // function should normally be optimized long before the counter can |
1184 // overflow; and though we do not reset the counters when we optimize or | 1184 // overflow; and though we do not reset the counters when we optimize or |
1185 // deoptimize, there is a bound on the number of | 1185 // deoptimize, there is a bound on the number of |
1186 // optimization/deoptimization cycles we will attempt. | 1186 // optimization/deoptimization cycles we will attempt. |
| 1187 ASSERT(!edge_counters_array_.IsNull()); |
1187 ASSERT(assembler_->constant_pool_allowed()); | 1188 ASSERT(assembler_->constant_pool_allowed()); |
1188 const Array& counter = Array::ZoneHandle(zone(), Array::New(1, Heap::kOld)); | |
1189 counter.SetAt(0, Smi::Handle(zone(), Smi::New(0))); | |
1190 __ Comment("Edge counter"); | 1189 __ Comment("Edge counter"); |
1191 __ LoadUniqueObject(R0, counter); | 1190 __ LoadObject(R0, edge_counters_array_); |
1192 __ LoadFieldFromOffset(TMP, R0, Array::element_offset(0)); | 1191 __ LoadFieldFromOffset(TMP, R0, Array::element_offset(edge_id)); |
1193 __ add(TMP, TMP, Operand(Smi::RawValue(1))); | 1192 __ add(TMP, TMP, Operand(Smi::RawValue(1))); |
1194 __ StoreFieldToOffset(TMP, R0, Array::element_offset(0)); | 1193 __ StoreFieldToOffset(TMP, R0, Array::element_offset(edge_id)); |
1195 } | 1194 } |
1196 | 1195 |
1197 | 1196 |
1198 void FlowGraphCompiler::EmitOptimizedInstanceCall( | 1197 void FlowGraphCompiler::EmitOptimizedInstanceCall( |
1199 const StubEntry& stub_entry, | 1198 const StubEntry& stub_entry, |
1200 const ICData& ic_data, | 1199 const ICData& ic_data, |
1201 intptr_t argument_count, | 1200 intptr_t argument_count, |
1202 intptr_t deopt_id, | 1201 intptr_t deopt_id, |
1203 intptr_t token_pos, | 1202 intptr_t token_pos, |
1204 LocationSummary* locs) { | 1203 LocationSummary* locs) { |
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1819 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) { | 1818 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) { |
1820 __ PopDouble(reg); | 1819 __ PopDouble(reg); |
1821 } | 1820 } |
1822 | 1821 |
1823 | 1822 |
1824 #undef __ | 1823 #undef __ |
1825 | 1824 |
1826 } // namespace dart | 1825 } // namespace dart |
1827 | 1826 |
1828 #endif // defined TARGET_ARCH_ARM64 | 1827 #endif // defined TARGET_ARCH_ARM64 |
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