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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 int value = imm->type() == ImmediateOperand::INLINE ? imm->inline_value() | 153 int value = imm->type() == ImmediateOperand::INLINE ? imm->inline_value() |
| 154 : imm->indexed_value(); | 154 : imm->indexed_value(); |
| 155 constraint->type_ = kImmediate; | 155 constraint->type_ = kImmediate; |
| 156 constraint->value_ = value; | 156 constraint->value_ = value; |
| 157 } else { | 157 } else { |
| 158 CHECK(op->IsUnallocated()); | 158 CHECK(op->IsUnallocated()); |
| 159 const UnallocatedOperand* unallocated = UnallocatedOperand::cast(op); | 159 const UnallocatedOperand* unallocated = UnallocatedOperand::cast(op); |
| 160 int vreg = unallocated->virtual_register(); | 160 int vreg = unallocated->virtual_register(); |
| 161 constraint->virtual_register_ = vreg; | 161 constraint->virtual_register_ = vreg; |
| 162 if (unallocated->basic_policy() == UnallocatedOperand::FIXED_SLOT) { | 162 if (unallocated->basic_policy() == UnallocatedOperand::FIXED_SLOT) { |
| 163 constraint->type_ = sequence()->IsFloat(vreg) ? kDoubleSlot : kSlot; | 163 constraint->type_ = sequence()->IsFP(vreg) ? kDoubleSlot : kSlot; |
| 164 constraint->value_ = unallocated->fixed_slot_index(); | 164 constraint->value_ = unallocated->fixed_slot_index(); |
| 165 } else { | 165 } else { |
| 166 switch (unallocated->extended_policy()) { | 166 switch (unallocated->extended_policy()) { |
| 167 case UnallocatedOperand::ANY: | 167 case UnallocatedOperand::ANY: |
| 168 case UnallocatedOperand::NONE: | 168 case UnallocatedOperand::NONE: |
| 169 if (sequence()->IsFloat(vreg)) { | 169 if (sequence()->IsFP(vreg)) { |
| 170 constraint->type_ = kNoneDouble; | 170 constraint->type_ = kNoneDouble; |
| 171 } else { | 171 } else { |
| 172 constraint->type_ = kNone; | 172 constraint->type_ = kNone; |
| 173 } | 173 } |
| 174 break; | 174 break; |
| 175 case UnallocatedOperand::FIXED_REGISTER: | 175 case UnallocatedOperand::FIXED_REGISTER: |
| 176 if (unallocated->HasSecondaryStorage()) { | 176 if (unallocated->HasSecondaryStorage()) { |
| 177 constraint->type_ = kRegisterAndSlot; | 177 constraint->type_ = kRegisterAndSlot; |
| 178 constraint->spilled_slot_ = unallocated->GetSecondaryStorage(); | 178 constraint->spilled_slot_ = unallocated->GetSecondaryStorage(); |
| 179 } else { | 179 } else { |
| 180 constraint->type_ = kFixedRegister; | 180 constraint->type_ = kFixedRegister; |
| 181 } | 181 } |
| 182 constraint->value_ = unallocated->fixed_register_index(); | 182 constraint->value_ = unallocated->fixed_register_index(); |
| 183 break; | 183 break; |
| 184 case UnallocatedOperand::FIXED_DOUBLE_REGISTER: | 184 case UnallocatedOperand::FIXED_DOUBLE_REGISTER: |
| 185 constraint->type_ = kFixedDoubleRegister; | 185 constraint->type_ = kFixedDoubleRegister; |
| 186 constraint->value_ = unallocated->fixed_register_index(); | 186 constraint->value_ = unallocated->fixed_register_index(); |
| 187 break; | 187 break; |
| 188 case UnallocatedOperand::MUST_HAVE_REGISTER: | 188 case UnallocatedOperand::MUST_HAVE_REGISTER: |
| 189 if (sequence()->IsFloat(vreg)) { | 189 if (sequence()->IsFP(vreg)) { |
| 190 constraint->type_ = kDoubleRegister; | 190 constraint->type_ = kDoubleRegister; |
| 191 } else { | 191 } else { |
| 192 constraint->type_ = kRegister; | 192 constraint->type_ = kRegister; |
| 193 } | 193 } |
| 194 break; | 194 break; |
| 195 case UnallocatedOperand::MUST_HAVE_SLOT: | 195 case UnallocatedOperand::MUST_HAVE_SLOT: |
| 196 constraint->type_ = sequence()->IsFloat(vreg) ? kDoubleSlot : kSlot; | 196 constraint->type_ = sequence()->IsFP(vreg) ? kDoubleSlot : kSlot; |
| 197 break; | 197 break; |
| 198 case UnallocatedOperand::SAME_AS_FIRST_INPUT: | 198 case UnallocatedOperand::SAME_AS_FIRST_INPUT: |
| 199 constraint->type_ = kSameAsFirst; | 199 constraint->type_ = kSameAsFirst; |
| 200 break; | 200 break; |
| 201 } | 201 } |
| 202 } | 202 } |
| 203 } | 203 } |
| 204 } | 204 } |
| 205 | 205 |
| 206 void RegisterAllocatorVerifier::CheckConstraint( | 206 void RegisterAllocatorVerifier::CheckConstraint( |
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| 551 new (zone()) FinalAssessment(vreg, pending); | 551 new (zone()) FinalAssessment(vreg, pending); |
| 552 break; | 552 break; |
| 553 } | 553 } |
| 554 } | 554 } |
| 555 } | 555 } |
| 556 } | 556 } |
| 557 | 557 |
| 558 } // namespace compiler | 558 } // namespace compiler |
| 559 } // namespace internal | 559 } // namespace internal |
| 560 } // namespace v8 | 560 } // namespace v8 |
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