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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/codegen.h" | 5 #include "src/codegen.h" |
6 #include "src/deoptimizer.h" | 6 #include "src/deoptimizer.h" |
7 #include "src/full-codegen/full-codegen.h" | 7 #include "src/full-codegen/full-codegen.h" |
8 #include "src/register-configuration.h" | 8 #include "src/register-configuration.h" |
9 #include "src/safepoint-table.h" | 9 #include "src/safepoint-table.h" |
10 | 10 |
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117 // For the rest, there are gaps on the stack, so the offsets remain the same. | 117 // For the rest, there are gaps on the stack, so the offsets remain the same. |
118 const int kNumberOfRegisters = Register::kNumRegisters; | 118 const int kNumberOfRegisters = Register::kNumRegisters; |
119 | 119 |
120 RegList restored_regs = kJSCallerSaved | kCalleeSaved; | 120 RegList restored_regs = kJSCallerSaved | kCalleeSaved; |
121 RegList saved_regs = restored_regs | sp.bit(); | 121 RegList saved_regs = restored_regs | sp.bit(); |
122 | 122 |
123 const int kDoubleRegsSize = kDoubleSize * DoubleRegister::kNumRegisters; | 123 const int kDoubleRegsSize = kDoubleSize * DoubleRegister::kNumRegisters; |
124 | 124 |
125 // Save all double registers before messing with them. | 125 // Save all double registers before messing with them. |
126 __ subi(sp, sp, Operand(kDoubleRegsSize)); | 126 __ subi(sp, sp, Operand(kDoubleRegsSize)); |
127 const RegisterConfiguration* config = | 127 const RegisterConfiguration* config = RegisterConfiguration::Crankshaft(); |
128 RegisterConfiguration::ArchDefault(RegisterConfiguration::CRANKSHAFT); | |
129 for (int i = 0; i < config->num_allocatable_double_registers(); ++i) { | 128 for (int i = 0; i < config->num_allocatable_double_registers(); ++i) { |
130 int code = config->GetAllocatableDoubleCode(i); | 129 int code = config->GetAllocatableDoubleCode(i); |
131 const DoubleRegister dreg = DoubleRegister::from_code(code); | 130 const DoubleRegister dreg = DoubleRegister::from_code(code); |
132 int offset = code * kDoubleSize; | 131 int offset = code * kDoubleSize; |
133 __ stfd(dreg, MemOperand(sp, offset)); | 132 __ stfd(dreg, MemOperand(sp, offset)); |
134 } | 133 } |
135 | 134 |
136 // Push saved_regs (needed to populate FrameDescription::registers_). | 135 // Push saved_regs (needed to populate FrameDescription::registers_). |
137 // Leave gaps for other registers. | 136 // Leave gaps for other registers. |
138 __ subi(sp, sp, Operand(kNumberOfRegisters * kPointerSize)); | 137 __ subi(sp, sp, Operand(kNumberOfRegisters * kPointerSize)); |
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336 | 335 |
337 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) { | 336 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) { |
338 DCHECK(FLAG_enable_embedded_constant_pool); | 337 DCHECK(FLAG_enable_embedded_constant_pool); |
339 SetFrameSlot(offset, value); | 338 SetFrameSlot(offset, value); |
340 } | 339 } |
341 | 340 |
342 | 341 |
343 #undef __ | 342 #undef __ |
344 } // namespace internal | 343 } // namespace internal |
345 } // namespace v8 | 344 } // namespace v8 |
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