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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_X64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
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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1128 } | 1128 } |
1129 } | 1129 } |
1130 | 1130 |
1131 EndCodeSourceRange(TokenPosition::kDartCodePrologue); | 1131 EndCodeSourceRange(TokenPosition::kDartCodePrologue); |
1132 ASSERT(!block_order().is_empty()); | 1132 ASSERT(!block_order().is_empty()); |
1133 VisitBlocks(); | 1133 VisitBlocks(); |
1134 | 1134 |
1135 __ int3(); | 1135 __ int3(); |
1136 ASSERT(assembler()->constant_pool_allowed()); | 1136 ASSERT(assembler()->constant_pool_allowed()); |
1137 GenerateDeferredCode(); | 1137 GenerateDeferredCode(); |
1138 // Emit function patching code. This will be swapped with the first 13 bytes | |
1139 // at entry point. | |
1140 | |
1141 BeginCodeSourceRange(); | |
1142 if (is_optimizing() && !FLAG_precompiled_mode) { | |
1143 // Leave enough space for patching in case of lazy deoptimization. | |
1144 __ nop(ShortCallPattern::pattern_length_in_bytes()); | |
1145 lazy_deopt_return_pc_offset_ = assembler()->CodeSize(); | |
1146 __ Jmp(*StubCode::DeoptimizeLazyFromReturn_entry(), PP); | |
1147 lazy_deopt_throw_pc_offset_ = assembler()->CodeSize(); | |
1148 __ Jmp(*StubCode::DeoptimizeLazyFromThrow_entry(), PP); | |
1149 } | |
1150 EndCodeSourceRange(TokenPosition::kDartCodeEpilogue); | |
1151 } | 1138 } |
1152 | 1139 |
1153 | 1140 |
1154 void FlowGraphCompiler::GenerateCall(TokenPosition token_pos, | 1141 void FlowGraphCompiler::GenerateCall(TokenPosition token_pos, |
1155 const StubEntry& stub_entry, | 1142 const StubEntry& stub_entry, |
1156 RawPcDescriptors::Kind kind, | 1143 RawPcDescriptors::Kind kind, |
1157 LocationSummary* locs) { | 1144 LocationSummary* locs) { |
1158 __ Call(stub_entry); | 1145 __ Call(stub_entry); |
1159 AddCurrentDescriptor(kind, Thread::kNoDeoptId, token_pos); | 1146 AddCurrentDescriptor(kind, Thread::kNoDeoptId, token_pos); |
1160 RecordSafepoint(locs); | 1147 RecordSafepoint(locs); |
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1865 __ movups(reg, Address(RSP, 0)); | 1852 __ movups(reg, Address(RSP, 0)); |
1866 __ AddImmediate(RSP, Immediate(kFpuRegisterSize)); | 1853 __ AddImmediate(RSP, Immediate(kFpuRegisterSize)); |
1867 } | 1854 } |
1868 | 1855 |
1869 | 1856 |
1870 #undef __ | 1857 #undef __ |
1871 | 1858 |
1872 } // namespace dart | 1859 } // namespace dart |
1873 | 1860 |
1874 #endif // defined TARGET_ARCH_X64 | 1861 #endif // defined TARGET_ARCH_X64 |
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