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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 // 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 <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
| 8 | 8 |
| 9 #include "src/base/division-by-constant.h" | 9 #include "src/base/division-by-constant.h" |
| 10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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| 154 int register_offset = SafepointRegisterStackIndex(reg.code()) * kPointerSize; | 154 int register_offset = SafepointRegisterStackIndex(reg.code()) * kPointerSize; |
| 155 return MemOperand(sp, doubles_size + register_offset); | 155 return MemOperand(sp, doubles_size + register_offset); |
| 156 } | 156 } |
| 157 | 157 |
| 158 | 158 |
| 159 void MacroAssembler::InNewSpace(Register object, | 159 void MacroAssembler::InNewSpace(Register object, |
| 160 Register scratch, | 160 Register scratch, |
| 161 Condition cc, | 161 Condition cc, |
| 162 Label* branch) { | 162 Label* branch) { |
| 163 DCHECK(cc == eq || cc == ne); | 163 DCHECK(cc == eq || cc == ne); |
| 164 And(scratch, object, Operand(ExternalReference::new_space_mask(isolate()))); | 164 const int mask = |
| 165 Branch(branch, cc, scratch, | 165 1 << MemoryChunk::IN_FROM_SPACE | 1 << MemoryChunk::IN_TO_SPACE; |
| 166 Operand(ExternalReference::new_space_start(isolate()))); | 166 CheckPageFlag(object, scratch, mask, cc, branch); |
| 167 } | 167 } |
| 168 | 168 |
| 169 | 169 |
| 170 // Clobbers object, dst, value, and ra, if (ra_status == kRAHasBeenSaved) | 170 // Clobbers object, dst, value, and ra, if (ra_status == kRAHasBeenSaved) |
| 171 // The register 'object' contains a heap object pointer. The heap object | 171 // The register 'object' contains a heap object pointer. The heap object |
| 172 // tag is shifted away. | 172 // tag is shifted away. |
| 173 void MacroAssembler::RecordWriteField( | 173 void MacroAssembler::RecordWriteField( |
| 174 Register object, | 174 Register object, |
| 175 int offset, | 175 int offset, |
| 176 Register value, | 176 Register value, |
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| 6547 if (mag.shift > 0) sra(result, result, mag.shift); | 6547 if (mag.shift > 0) sra(result, result, mag.shift); |
| 6548 srl(at, dividend, 31); | 6548 srl(at, dividend, 31); |
| 6549 Addu(result, result, Operand(at)); | 6549 Addu(result, result, Operand(at)); |
| 6550 } | 6550 } |
| 6551 | 6551 |
| 6552 | 6552 |
| 6553 } // namespace internal | 6553 } // namespace internal |
| 6554 } // namespace v8 | 6554 } // namespace v8 |
| 6555 | 6555 |
| 6556 #endif // V8_TARGET_ARCH_MIPS64 | 6556 #endif // V8_TARGET_ARCH_MIPS64 |
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