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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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99 for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) { 99 for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
100 input_->SetFrameSlot(i, Memory::uint64_at(tos + i)); 100 input_->SetFrameSlot(i, Memory::uint64_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 intptr_t handler = 107 intptr_t handler =
108 reinterpret_cast<intptr_t>(descriptor->deoptimization_handler_); 108 reinterpret_cast<intptr_t>(descriptor->deoptimization_handler_);
109 int params = descriptor->register_param_count_; 109 int params = descriptor->environment_length();
110 if (descriptor->stack_parameter_count_ != NULL) {
111 params++;
112 }
113 output_frame->SetRegister(rax.code(), params); 110 output_frame->SetRegister(rax.code(), params);
114 output_frame->SetRegister(rbx.code(), handler); 111 output_frame->SetRegister(rbx.code(), handler);
115 } 112 }
116 113
117 114
118 void Deoptimizer::CopyDoubleRegisters(FrameDescription* output_frame) { 115 void Deoptimizer::CopyDoubleRegisters(FrameDescription* output_frame) {
119 for (int i = 0; i < XMMRegister::NumAllocatableRegisters(); ++i) { 116 for (int i = 0; i < XMMRegister::NumAllocatableRegisters(); ++i) {
120 double double_value = input_->GetDoubleRegister(i); 117 double double_value = input_->GetDoubleRegister(i);
121 output_frame->SetDoubleRegister(i, double_value); 118 output_frame->SetDoubleRegister(i, double_value);
122 } 119 }
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332 SetFrameSlot(offset, value); 329 SetFrameSlot(offset, value);
333 } 330 }
334 331
335 332
336 #undef __ 333 #undef __
337 334
338 335
339 } } // namespace v8::internal 336 } } // namespace v8::internal
340 337
341 #endif // V8_TARGET_ARCH_X64 338 #endif // V8_TARGET_ARCH_X64
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