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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/bit-vector.h" | 5 #include "src/bit-vector.h" |
| 6 #include "src/compiler/instruction.h" | 6 #include "src/compiler/instruction.h" |
| 7 #include "src/compiler/register-allocator-verifier.h" | 7 #include "src/compiler/register-allocator-verifier.h" |
| 8 | 8 |
| 9 namespace v8 { | 9 namespace v8 { |
| 10 namespace internal { | 10 namespace internal { |
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| 153 CHECK(op->IsUnallocated()); | 153 CHECK(op->IsUnallocated()); |
| 154 const auto* unallocated = UnallocatedOperand::cast(op); | 154 const auto* unallocated = UnallocatedOperand::cast(op); |
| 155 int vreg = unallocated->virtual_register(); | 155 int vreg = unallocated->virtual_register(); |
| 156 constraint->virtual_register_ = vreg; | 156 constraint->virtual_register_ = vreg; |
| 157 if (unallocated->basic_policy() == UnallocatedOperand::FIXED_SLOT) { | 157 if (unallocated->basic_policy() == UnallocatedOperand::FIXED_SLOT) { |
| 158 constraint->type_ = sequence()->IsFloat(vreg) ? kDoubleSlot : kSlot; | 158 constraint->type_ = sequence()->IsFloat(vreg) ? kDoubleSlot : kSlot; |
| 159 constraint->value_ = unallocated->fixed_slot_index(); | 159 constraint->value_ = unallocated->fixed_slot_index(); |
| 160 } else { | 160 } else { |
| 161 switch (unallocated->extended_policy()) { | 161 switch (unallocated->extended_policy()) { |
| 162 case UnallocatedOperand::ANY: | 162 case UnallocatedOperand::ANY: |
| 163 CHECK(false); | |
| 164 break; | |
| 165 case UnallocatedOperand::NONE: | 163 case UnallocatedOperand::NONE: |
| 166 if (sequence()->IsFloat(vreg)) { | 164 if (sequence()->IsFloat(vreg)) { |
| 167 constraint->type_ = kNoneDouble; | 165 constraint->type_ = kNoneDouble; |
| 168 } else { | 166 } else { |
| 169 constraint->type_ = kNone; | 167 constraint->type_ = kNone; |
| 170 } | 168 } |
| 171 break; | 169 break; |
| 172 case UnallocatedOperand::FIXED_REGISTER: | 170 case UnallocatedOperand::FIXED_REGISTER: |
| 173 constraint->type_ = kFixedRegister; | 171 constraint->type_ = kFixedRegister; |
| 174 constraint->value_ = unallocated->fixed_register_index(); | 172 constraint->value_ = unallocated->fixed_register_index(); |
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| 698 int virtual_register = op_constraints[count].virtual_register_; | 696 int virtual_register = op_constraints[count].virtual_register_; |
| 699 current->Define(zone(), instr->OutputAt(i), virtual_register); | 697 current->Define(zone(), instr->OutputAt(i), virtual_register); |
| 700 } | 698 } |
| 701 } | 699 } |
| 702 } | 700 } |
| 703 } | 701 } |
| 704 | 702 |
| 705 } // namespace compiler | 703 } // namespace compiler |
| 706 } // namespace internal | 704 } // namespace internal |
| 707 } // namespace v8 | 705 } // namespace v8 |
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