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Issue 28993003: Make stack_parameter_count a plain register. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Simplify Deoptimizer::SetPlatformCompiledStubRegisters. Created 7 years, 2 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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100 input_->SetFrameSlot(i, Memory::uint32_at(tos + i)); 100 input_->SetFrameSlot(i, Memory::uint32_at(tos + i));
101 } 101 }
102 } 102 }
103 103
104 104
105 void Deoptimizer::SetPlatformCompiledStubRegisters( 105 void Deoptimizer::SetPlatformCompiledStubRegisters(
106 FrameDescription* output_frame, CodeStubInterfaceDescriptor* descriptor) { 106 FrameDescription* output_frame, CodeStubInterfaceDescriptor* descriptor) {
107 ApiFunction function(descriptor->deoptimization_handler_); 107 ApiFunction function(descriptor->deoptimization_handler_);
108 ExternalReference xref(&function, ExternalReference::BUILTIN_CALL, isolate_); 108 ExternalReference xref(&function, ExternalReference::BUILTIN_CALL, isolate_);
109 intptr_t handler = reinterpret_cast<intptr_t>(xref.address()); 109 intptr_t handler = reinterpret_cast<intptr_t>(xref.address());
110 int params = descriptor->register_param_count_; 110 int params = descriptor->environment_length();
111 if (descriptor->stack_parameter_count_ != NULL) {
112 params++;
113 }
114 output_frame->SetRegister(r0.code(), params); 111 output_frame->SetRegister(r0.code(), params);
115 output_frame->SetRegister(r1.code(), handler); 112 output_frame->SetRegister(r1.code(), handler);
116 } 113 }
117 114
118 115
119 void Deoptimizer::CopyDoubleRegisters(FrameDescription* output_frame) { 116 void Deoptimizer::CopyDoubleRegisters(FrameDescription* output_frame) {
120 for (int i = 0; i < DwVfpRegister::kMaxNumRegisters; ++i) { 117 for (int i = 0; i < DwVfpRegister::kMaxNumRegisters; ++i) {
121 double double_value = input_->GetDoubleRegister(i); 118 double double_value = input_->GetDoubleRegister(i);
122 output_frame->SetDoubleRegister(i, double_value); 119 output_frame->SetDoubleRegister(i, double_value);
123 } 120 }
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344 341
345 342
346 void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) { 343 void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) {
347 SetFrameSlot(offset, value); 344 SetFrameSlot(offset, value);
348 } 345 }
349 346
350 347
351 #undef __ 348 #undef __
352 349
353 } } // namespace v8::internal 350 } } // namespace v8::internal
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