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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/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/compiler.h" | 10 #include "vm/compiler.h" |
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2547 | 2547 |
2548 | 2548 |
2549 LocationSummary* CatchBlockEntryInstr::MakeLocationSummary(Zone* zone, | 2549 LocationSummary* CatchBlockEntryInstr::MakeLocationSummary(Zone* zone, |
2550 bool opt) const { | 2550 bool opt) const { |
2551 UNREACHABLE(); | 2551 UNREACHABLE(); |
2552 return NULL; | 2552 return NULL; |
2553 } | 2553 } |
2554 | 2554 |
2555 | 2555 |
2556 void CatchBlockEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2556 void CatchBlockEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
2557 // Ensure space for patching return sites for lazy deopt. | |
2558 if (!FLAG_precompiled_mode && compiler->is_optimizing()) { | |
2559 for (intptr_t i = 0; | |
2560 i < CallPattern::kDeoptCallLengthInInstructions; | |
2561 ++i) { | |
2562 __ orr(R0, ZR, Operand(R0)); // nop | |
2563 } | |
2564 } | |
2565 __ Bind(compiler->GetJumpLabel(this)); | 2557 __ Bind(compiler->GetJumpLabel(this)); |
2566 compiler->AddExceptionHandler(catch_try_index(), | 2558 compiler->AddExceptionHandler(catch_try_index(), |
2567 try_index(), | 2559 try_index(), |
2568 compiler->assembler()->CodeSize(), | 2560 compiler->assembler()->CodeSize(), |
2569 catch_handler_types_, | 2561 catch_handler_types_, |
2570 needs_stacktrace()); | 2562 needs_stacktrace()); |
2571 // On lazy deoptimization we patch the optimized code here to enter the | 2563 // On lazy deoptimization we patch the optimized code here to enter the |
2572 // deoptimization stub. | 2564 // deoptimization stub. |
2573 const intptr_t deopt_id = Thread::ToDeoptAfter(GetDeoptId()); | 2565 const intptr_t deopt_id = Thread::ToDeoptAfter(GetDeoptId()); |
2574 if (compiler->is_optimizing()) { | 2566 if (compiler->is_optimizing()) { |
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5787 1, | 5779 1, |
5788 locs()); | 5780 locs()); |
5789 __ Drop(1); | 5781 __ Drop(1); |
5790 __ Pop(result); | 5782 __ Pop(result); |
5791 } | 5783 } |
5792 | 5784 |
5793 | 5785 |
5794 } // namespace dart | 5786 } // namespace dart |
5795 | 5787 |
5796 #endif // defined TARGET_ARCH_ARM64 | 5788 #endif // defined TARGET_ARCH_ARM64 |
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