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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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1116 } | 1116 } |
1117 } | 1117 } |
1118 | 1118 |
1119 EndCodeSourceRange(TokenPosition::kDartCodePrologue); | 1119 EndCodeSourceRange(TokenPosition::kDartCodePrologue); |
1120 ASSERT(!block_order().is_empty()); | 1120 ASSERT(!block_order().is_empty()); |
1121 VisitBlocks(); | 1121 VisitBlocks(); |
1122 | 1122 |
1123 __ int3(); | 1123 __ int3(); |
1124 ASSERT(assembler()->constant_pool_allowed()); | 1124 ASSERT(assembler()->constant_pool_allowed()); |
1125 GenerateDeferredCode(); | 1125 GenerateDeferredCode(); |
1126 // Emit function patching code. This will be swapped with the first 13 bytes | |
1127 // at entry point. | |
1128 | |
1129 BeginCodeSourceRange(); | |
1130 if (is_optimizing() && !FLAG_precompiled_mode) { | |
1131 // Leave enough space for patching in case of lazy deoptimization. | |
1132 __ nop(ShortCallPattern::pattern_length_in_bytes()); | |
1133 lazy_deopt_return_pc_offset_ = assembler()->CodeSize(); | |
1134 __ Jmp(*StubCode::DeoptimizeLazyFromReturn_entry(), PP); | |
1135 lazy_deopt_throw_pc_offset_ = assembler()->CodeSize(); | |
1136 __ Jmp(*StubCode::DeoptimizeLazyFromThrow_entry(), PP); | |
1137 } | |
1138 EndCodeSourceRange(TokenPosition::kDartCodeEpilogue); | |
1139 } | 1126 } |
1140 | 1127 |
1141 | 1128 |
1142 void FlowGraphCompiler::GenerateCall(TokenPosition token_pos, | 1129 void FlowGraphCompiler::GenerateCall(TokenPosition token_pos, |
1143 const StubEntry& stub_entry, | 1130 const StubEntry& stub_entry, |
1144 RawPcDescriptors::Kind kind, | 1131 RawPcDescriptors::Kind kind, |
1145 LocationSummary* locs) { | 1132 LocationSummary* locs) { |
1146 __ Call(stub_entry); | 1133 __ Call(stub_entry); |
1147 AddCurrentDescriptor(kind, Thread::kNoDeoptId, token_pos); | 1134 AddCurrentDescriptor(kind, Thread::kNoDeoptId, token_pos); |
1148 RecordSafepoint(locs); | 1135 RecordSafepoint(locs); |
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1853 __ movups(reg, Address(RSP, 0)); | 1840 __ movups(reg, Address(RSP, 0)); |
1854 __ AddImmediate(RSP, Immediate(kFpuRegisterSize)); | 1841 __ AddImmediate(RSP, Immediate(kFpuRegisterSize)); |
1855 } | 1842 } |
1856 | 1843 |
1857 | 1844 |
1858 #undef __ | 1845 #undef __ |
1859 | 1846 |
1860 } // namespace dart | 1847 } // namespace dart |
1861 | 1848 |
1862 #endif // defined TARGET_ARCH_X64 | 1849 #endif // defined TARGET_ARCH_X64 |
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