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

Issue 1899783003: MIPS: [Atomics] Remove Atomics code stubs; use TF ops. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 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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1976 case MachineRepresentation::kWord16: 1976 case MachineRepresentation::kWord16:
1977 opcode = load_rep.IsSigned() ? kAtomicLoadInt16 : kAtomicLoadUint16; 1977 opcode = load_rep.IsSigned() ? kAtomicLoadInt16 : kAtomicLoadUint16;
1978 break; 1978 break;
1979 case MachineRepresentation::kWord32: 1979 case MachineRepresentation::kWord32:
1980 opcode = kAtomicLoadWord32; 1980 opcode = kAtomicLoadWord32;
1981 break; 1981 break;
1982 default: 1982 default:
1983 UNREACHABLE(); 1983 UNREACHABLE();
1984 return; 1984 return;
1985 } 1985 }
1986 Emit(opcode | AddressingModeField::encode(kMode_MRI), 1986 if (g.CanBeImmediate(index, opcode)) {
1987 g.DefineAsRegister(node), g.UseRegister(base), g.UseRegister(index)); 1987 Emit(opcode | AddressingModeField::encode(kMode_MRI),
1988 g.DefineAsRegister(node), g.UseRegister(base), g.UseImmediate(index));
1989 } else {
1990 InstructionOperand addr_reg = g.TempRegister();
1991 Emit(kMips64Dadd | AddressingModeField::encode(kMode_None), addr_reg,
1992 g.UseRegister(index), g.UseRegister(base));
1993 // Emit desired load opcode, using temp addr_reg.
1994 Emit(opcode | AddressingModeField::encode(kMode_MRI),
1995 g.DefineAsRegister(node), addr_reg, g.TempImmediate(0));
1996 }
1988 } 1997 }
1989 1998
1990 // static 1999 // static
1991 MachineOperatorBuilder::Flags 2000 MachineOperatorBuilder::Flags
1992 InstructionSelector::SupportedMachineOperatorFlags() { 2001 InstructionSelector::SupportedMachineOperatorFlags() {
1993 return MachineOperatorBuilder::kWord32Ctz | 2002 return MachineOperatorBuilder::kWord32Ctz |
1994 MachineOperatorBuilder::kWord64Ctz | 2003 MachineOperatorBuilder::kWord64Ctz |
1995 MachineOperatorBuilder::kWord32Popcnt | 2004 MachineOperatorBuilder::kWord32Popcnt |
1996 MachineOperatorBuilder::kWord64Popcnt | 2005 MachineOperatorBuilder::kWord64Popcnt |
1997 MachineOperatorBuilder::kWord32ShiftIsSafe | 2006 MachineOperatorBuilder::kWord32ShiftIsSafe |
1998 MachineOperatorBuilder::kInt32DivIsSafe | 2007 MachineOperatorBuilder::kInt32DivIsSafe |
1999 MachineOperatorBuilder::kUint32DivIsSafe | 2008 MachineOperatorBuilder::kUint32DivIsSafe |
2000 MachineOperatorBuilder::kFloat64Min | 2009 MachineOperatorBuilder::kFloat64Min |
2001 MachineOperatorBuilder::kFloat64Max | 2010 MachineOperatorBuilder::kFloat64Max |
2002 MachineOperatorBuilder::kFloat32Min | 2011 MachineOperatorBuilder::kFloat32Min |
2003 MachineOperatorBuilder::kFloat32Max | 2012 MachineOperatorBuilder::kFloat32Max |
2004 MachineOperatorBuilder::kFloat64RoundDown | 2013 MachineOperatorBuilder::kFloat64RoundDown |
2005 MachineOperatorBuilder::kFloat32RoundDown | 2014 MachineOperatorBuilder::kFloat32RoundDown |
2006 MachineOperatorBuilder::kFloat64RoundUp | 2015 MachineOperatorBuilder::kFloat64RoundUp |
2007 MachineOperatorBuilder::kFloat32RoundUp | 2016 MachineOperatorBuilder::kFloat32RoundUp |
2008 MachineOperatorBuilder::kFloat64RoundTruncate | 2017 MachineOperatorBuilder::kFloat64RoundTruncate |
2009 MachineOperatorBuilder::kFloat32RoundTruncate | 2018 MachineOperatorBuilder::kFloat32RoundTruncate |
2010 MachineOperatorBuilder::kFloat64RoundTiesEven | 2019 MachineOperatorBuilder::kFloat64RoundTiesEven |
2011 MachineOperatorBuilder::kFloat32RoundTiesEven; 2020 MachineOperatorBuilder::kFloat32RoundTiesEven;
2012 } 2021 }
2013 2022
2014 } // namespace compiler 2023 } // namespace compiler
2015 } // namespace internal 2024 } // namespace internal
2016 } // namespace v8 2025 } // namespace v8
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