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Side by Side Diff: src/compiler/mips64/instruction-selector-mips64.cc

Issue 1938213002: [Atomics] Make Atomics.store a builtin using TF (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: merge again Created 4 years, 7 months ago
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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/base/adapters.h" 5 #include "src/base/adapters.h"
6 #include "src/base/bits.h" 6 #include "src/base/bits.h"
7 #include "src/compiler/instruction-selector-impl.h" 7 #include "src/compiler/instruction-selector-impl.h"
8 #include "src/compiler/node-matchers.h" 8 #include "src/compiler/node-matchers.h"
9 #include "src/compiler/node-properties.h" 9 #include "src/compiler/node-properties.h"
10 10
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1985 } else { 1985 } else {
1986 InstructionOperand addr_reg = g.TempRegister(); 1986 InstructionOperand addr_reg = g.TempRegister();
1987 Emit(kMips64Dadd | AddressingModeField::encode(kMode_None), addr_reg, 1987 Emit(kMips64Dadd | AddressingModeField::encode(kMode_None), addr_reg,
1988 g.UseRegister(index), g.UseRegister(base)); 1988 g.UseRegister(index), g.UseRegister(base));
1989 // Emit desired load opcode, using temp addr_reg. 1989 // Emit desired load opcode, using temp addr_reg.
1990 Emit(opcode | AddressingModeField::encode(kMode_MRI), 1990 Emit(opcode | AddressingModeField::encode(kMode_MRI),
1991 g.DefineAsRegister(node), addr_reg, g.TempImmediate(0)); 1991 g.DefineAsRegister(node), addr_reg, g.TempImmediate(0));
1992 } 1992 }
1993 } 1993 }
1994 1994
1995 void InstructionSelector::VisitAtomicStore(Node* node) {
1996 MachineRepresentation rep = AtomicStoreRepresentationOf(node->op());
1997 Mips64OperandGenerator g(this);
1998 Node* base = node->InputAt(0);
1999 Node* index = node->InputAt(1);
2000 Node* value = node->InputAt(2);
2001 ArchOpcode opcode = kArchNop;
2002 switch (rep) {
2003 case MachineRepresentation::kWord8:
2004 opcode = kAtomicStoreWord8;
2005 break;
2006 case MachineRepresentation::kWord16:
2007 opcode = kAtomicStoreWord16;
2008 break;
2009 case MachineRepresentation::kWord32:
2010 opcode = kAtomicStoreWord32;
2011 break;
2012 default:
2013 UNREACHABLE();
2014 return;
2015 }
2016
2017 if (g.CanBeImmediate(index, opcode)) {
2018 Emit(opcode | AddressingModeField::encode(kMode_MRI),
2019 g.DefineAsRegister(node), g.UseRegister(base), g.UseImmediate(index),
2020 g.UseRegister(value));
2021 } else {
2022 InstructionOperand addr_reg = g.TempRegister();
2023 Emit(kMips64Dadd | AddressingModeField::encode(kMode_None), addr_reg,
2024 g.UseRegister(index), g.UseRegister(base));
2025 // Emit desired store opcode, using temp addr_reg.
2026 Emit(opcode | AddressingModeField::encode(kMode_MRI),
2027 g.DefineAsRegister(node), addr_reg, g.TempImmediate(0),
2028 g.UseRegister(value));
2029 }
2030 }
2031
1995 // static 2032 // static
1996 MachineOperatorBuilder::Flags 2033 MachineOperatorBuilder::Flags
1997 InstructionSelector::SupportedMachineOperatorFlags() { 2034 InstructionSelector::SupportedMachineOperatorFlags() {
1998 return MachineOperatorBuilder::kWord32Ctz | 2035 return MachineOperatorBuilder::kWord32Ctz |
1999 MachineOperatorBuilder::kWord64Ctz | 2036 MachineOperatorBuilder::kWord64Ctz |
2000 MachineOperatorBuilder::kWord32Popcnt | 2037 MachineOperatorBuilder::kWord32Popcnt |
2001 MachineOperatorBuilder::kWord64Popcnt | 2038 MachineOperatorBuilder::kWord64Popcnt |
2002 MachineOperatorBuilder::kWord32ShiftIsSafe | 2039 MachineOperatorBuilder::kWord32ShiftIsSafe |
2003 MachineOperatorBuilder::kInt32DivIsSafe | 2040 MachineOperatorBuilder::kInt32DivIsSafe |
2004 MachineOperatorBuilder::kUint32DivIsSafe | 2041 MachineOperatorBuilder::kUint32DivIsSafe |
2005 MachineOperatorBuilder::kFloat64Min | 2042 MachineOperatorBuilder::kFloat64Min |
2006 MachineOperatorBuilder::kFloat64Max | 2043 MachineOperatorBuilder::kFloat64Max |
2007 MachineOperatorBuilder::kFloat32Min | 2044 MachineOperatorBuilder::kFloat32Min |
2008 MachineOperatorBuilder::kFloat32Max | 2045 MachineOperatorBuilder::kFloat32Max |
2009 MachineOperatorBuilder::kFloat64RoundDown | 2046 MachineOperatorBuilder::kFloat64RoundDown |
2010 MachineOperatorBuilder::kFloat32RoundDown | 2047 MachineOperatorBuilder::kFloat32RoundDown |
2011 MachineOperatorBuilder::kFloat64RoundUp | 2048 MachineOperatorBuilder::kFloat64RoundUp |
2012 MachineOperatorBuilder::kFloat32RoundUp | 2049 MachineOperatorBuilder::kFloat32RoundUp |
2013 MachineOperatorBuilder::kFloat64RoundTruncate | 2050 MachineOperatorBuilder::kFloat64RoundTruncate |
2014 MachineOperatorBuilder::kFloat32RoundTruncate | 2051 MachineOperatorBuilder::kFloat32RoundTruncate |
2015 MachineOperatorBuilder::kFloat64RoundTiesEven | 2052 MachineOperatorBuilder::kFloat64RoundTiesEven |
2016 MachineOperatorBuilder::kFloat32RoundTiesEven; 2053 MachineOperatorBuilder::kFloat32RoundTiesEven;
2017 } 2054 }
2018 2055
2019 } // namespace compiler 2056 } // namespace compiler
2020 } // namespace internal 2057 } // namespace internal
2021 } // namespace v8 2058 } // namespace v8
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