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Issue 125943002: Use constants from the frame at OSR entry. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 11 months ago
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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_MIPS. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS.
6 #if defined(TARGET_ARCH_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
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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1044 } else if (!flow_graph().IsCompiledForOsr()) { 1044 } else if (!flow_graph().IsCompiledForOsr()) {
1045 AddCurrentDescriptor(PcDescriptors::kEntryPatch, 1045 AddCurrentDescriptor(PcDescriptors::kEntryPatch,
1046 Isolate::kNoDeoptId, 1046 Isolate::kNoDeoptId,
1047 0); // No token position. 1047 0); // No token position.
1048 } 1048 }
1049 __ Comment("Enter frame"); 1049 __ Comment("Enter frame");
1050 if (flow_graph().IsCompiledForOsr()) { 1050 if (flow_graph().IsCompiledForOsr()) {
1051 intptr_t extra_slots = StackSize() 1051 intptr_t extra_slots = StackSize()
1052 - flow_graph().num_stack_locals() 1052 - flow_graph().num_stack_locals()
1053 - flow_graph().num_copied_params(); 1053 - flow_graph().num_copied_params();
1054 ASSERT(extra_slots >= 0);
1055 __ EnterOsrFrame(extra_slots * kWordSize); 1054 __ EnterOsrFrame(extra_slots * kWordSize);
1056 } else { 1055 } else {
1057 ASSERT(StackSize() >= 0); 1056 ASSERT(StackSize() >= 0);
1058 __ EnterDartFrame(StackSize() * kWordSize); 1057 __ EnterDartFrame(StackSize() * kWordSize);
1059 } 1058 }
1060 } 1059 }
1061 1060
1062 1061
1063 // Input parameters: 1062 // Input parameters:
1064 // RA: return address. 1063 // RA: return address.
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1869 __ AddImmediate(SP, kDoubleSize); 1868 __ AddImmediate(SP, kDoubleSize);
1870 } 1869 }
1871 1870
1872 1871
1873 #undef __ 1872 #undef __
1874 1873
1875 1874
1876 } // namespace dart 1875 } // namespace dart
1877 1876
1878 #endif // defined TARGET_ARCH_MIPS 1877 #endif // defined TARGET_ARCH_MIPS
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