| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_COMPILER_MACHINE_OPERATOR_H_ |
| #define V8_COMPILER_MACHINE_OPERATOR_H_ |
| |
| #include "src/base/flags.h" |
| #include "src/machine-type.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Forward declarations. |
| struct MachineOperatorGlobalCache; |
| class Operator; |
| |
| |
| // For operators that are not supported on all platforms. |
| class OptionalOperator final { |
| public: |
| explicit OptionalOperator(const Operator* op) : op_(op) {} |
| |
| bool IsSupported() const { return op_ != nullptr; } |
| const Operator* op() const { |
| DCHECK_NOT_NULL(op_); |
| return op_; |
| } |
| |
| private: |
| const Operator* const op_; |
| }; |
| |
| |
| // A Load needs a MachineType. |
| typedef MachineType LoadRepresentation; |
| |
| LoadRepresentation LoadRepresentationOf(Operator const*); |
| |
| // A Store needs a MachineType and a WriteBarrierKind in order to emit the |
| // correct write barrier. |
| class StoreRepresentation final { |
| public: |
| StoreRepresentation(MachineRepresentation representation, |
| WriteBarrierKind write_barrier_kind) |
| : representation_(representation), |
| write_barrier_kind_(write_barrier_kind) {} |
| |
| MachineRepresentation representation() const { return representation_; } |
| WriteBarrierKind write_barrier_kind() const { return write_barrier_kind_; } |
| |
| private: |
| MachineRepresentation representation_; |
| WriteBarrierKind write_barrier_kind_; |
| }; |
| |
| bool operator==(StoreRepresentation, StoreRepresentation); |
| bool operator!=(StoreRepresentation, StoreRepresentation); |
| |
| size_t hash_value(StoreRepresentation); |
| |
| std::ostream& operator<<(std::ostream&, StoreRepresentation); |
| |
| StoreRepresentation const& StoreRepresentationOf(Operator const*); |
| |
| |
| // A CheckedLoad needs a MachineType. |
| typedef MachineType CheckedLoadRepresentation; |
| |
| CheckedLoadRepresentation CheckedLoadRepresentationOf(Operator const*); |
| |
| |
| // A CheckedStore needs a MachineType. |
| typedef MachineRepresentation CheckedStoreRepresentation; |
| |
| CheckedStoreRepresentation CheckedStoreRepresentationOf(Operator const*); |
| |
| MachineRepresentation StackSlotRepresentationOf(Operator const* op); |
| |
| MachineRepresentation AtomicStoreRepresentationOf(Operator const* op); |
| |
| // Interface for building machine-level operators. These operators are |
| // machine-level but machine-independent and thus define a language suitable |
| // for generating code to run on architectures such as ia32, x64, arm, etc. |
| class MachineOperatorBuilder final : public ZoneObject { |
| public: |
| // Flags that specify which operations are available. This is useful |
| // for operations that are unsupported by some back-ends. |
| enum Flag { |
| kNoFlags = 0u, |
| // Note that Float*Max behaves like `(b < a) ? a : b`, not like Math.max(). |
| // Note that Float*Min behaves like `(a < b) ? a : b`, not like Math.min(). |
| kFloat32Max = 1u << 0, |
| kFloat32Min = 1u << 1, |
| kFloat64Max = 1u << 2, |
| kFloat64Min = 1u << 3, |
| kFloat32RoundDown = 1u << 4, |
| kFloat64RoundDown = 1u << 5, |
| kFloat32RoundUp = 1u << 6, |
| kFloat64RoundUp = 1u << 7, |
| kFloat32RoundTruncate = 1u << 8, |
| kFloat64RoundTruncate = 1u << 9, |
| kFloat32RoundTiesEven = 1u << 10, |
| kFloat64RoundTiesEven = 1u << 11, |
| kFloat64RoundTiesAway = 1u << 12, |
| kInt32DivIsSafe = 1u << 13, |
| kUint32DivIsSafe = 1u << 14, |
| kWord32ShiftIsSafe = 1u << 15, |
| kWord32Ctz = 1u << 16, |
| kWord64Ctz = 1u << 17, |
| kWord32Popcnt = 1u << 18, |
| kWord64Popcnt = 1u << 19, |
| kWord32ReverseBits = 1u << 20, |
| kWord64ReverseBits = 1u << 21, |
| kFloat32Neg = 1u << 22, |
| kFloat64Neg = 1u << 23, |
| kAllOptionalOps = |
| kFloat32Max | kFloat32Min | kFloat64Max | kFloat64Min | |
| kFloat32RoundDown | kFloat64RoundDown | kFloat32RoundUp | |
| kFloat64RoundUp | kFloat32RoundTruncate | kFloat64RoundTruncate | |
| kFloat64RoundTiesAway | kFloat32RoundTiesEven | kFloat64RoundTiesEven | |
| kWord32Ctz | kWord64Ctz | kWord32Popcnt | kWord64Popcnt | |
| kWord32ReverseBits | kWord64ReverseBits | kFloat32Neg | kFloat64Neg |
| }; |
| typedef base::Flags<Flag, unsigned> Flags; |
| |
| class AlignmentRequirements { |
| public: |
| enum UnalignedAccessSupport { kNoSupport, kSomeSupport, kFullSupport }; |
| |
| bool IsUnalignedLoadSupported(const MachineType& machineType, |
| uint8_t alignment) const { |
| return IsUnalignedSupported(unalignedLoadSupportedTypes_, machineType, |
| alignment); |
| } |
| |
| bool IsUnalignedStoreSupported(const MachineType& machineType, |
| uint8_t alignment) const { |
| return IsUnalignedSupported(unalignedStoreSupportedTypes_, machineType, |
| alignment); |
| } |
| |
| static AlignmentRequirements FullUnalignedAccessSupport() { |
| return AlignmentRequirements(kFullSupport); |
| } |
| static AlignmentRequirements NoUnalignedAccessSupport() { |
| return AlignmentRequirements(kNoSupport); |
| } |
| static AlignmentRequirements SomeUnalignedAccessSupport( |
| const Vector<MachineType>& unalignedLoadSupportedTypes, |
| const Vector<MachineType>& unalignedStoreSupportedTypes) { |
| return AlignmentRequirements(kSomeSupport, unalignedLoadSupportedTypes, |
| unalignedStoreSupportedTypes); |
| } |
| |
| private: |
| explicit AlignmentRequirements( |
| AlignmentRequirements::UnalignedAccessSupport unalignedAccessSupport, |
| Vector<MachineType> unalignedLoadSupportedTypes = |
| Vector<MachineType>(NULL, 0), |
| Vector<MachineType> unalignedStoreSupportedTypes = |
| Vector<MachineType>(NULL, 0)) |
| : unalignedSupport_(unalignedAccessSupport), |
| unalignedLoadSupportedTypes_(unalignedLoadSupportedTypes), |
| unalignedStoreSupportedTypes_(unalignedStoreSupportedTypes) {} |
| |
| bool IsUnalignedSupported(const Vector<MachineType>& supported, |
| const MachineType& machineType, |
| uint8_t alignment) const { |
| if (unalignedSupport_ == kFullSupport) { |
| return true; |
| } else if (unalignedSupport_ == kNoSupport) { |
| return false; |
| } else { |
| for (MachineType m : supported) { |
| if (m == machineType) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| const AlignmentRequirements::UnalignedAccessSupport unalignedSupport_; |
| const Vector<MachineType> unalignedLoadSupportedTypes_; |
| const Vector<MachineType> unalignedStoreSupportedTypes_; |
| }; |
| |
| explicit MachineOperatorBuilder( |
| Zone* zone, |
| MachineRepresentation word = MachineType::PointerRepresentation(), |
| Flags supportedOperators = kNoFlags, |
| AlignmentRequirements alignmentRequirements = |
| AlignmentRequirements::NoUnalignedAccessSupport()); |
| |
| const Operator* Comment(const char* msg); |
| const Operator* DebugBreak(); |
| |
| const Operator* Word32And(); |
| const Operator* Word32Or(); |
| const Operator* Word32Xor(); |
| const Operator* Word32Shl(); |
| const Operator* Word32Shr(); |
| const Operator* Word32Sar(); |
| const Operator* Word32Ror(); |
| const Operator* Word32Equal(); |
| const Operator* Word32Clz(); |
| const OptionalOperator Word32Ctz(); |
| const OptionalOperator Word32Popcnt(); |
| const OptionalOperator Word64Popcnt(); |
| const Operator* Word64PopcntPlaceholder(); |
| const OptionalOperator Word32ReverseBits(); |
| const OptionalOperator Word64ReverseBits(); |
| bool Word32ShiftIsSafe() const { return flags_ & kWord32ShiftIsSafe; } |
| |
| const Operator* Word64And(); |
| const Operator* Word64Or(); |
| const Operator* Word64Xor(); |
| const Operator* Word64Shl(); |
| const Operator* Word64Shr(); |
| const Operator* Word64Sar(); |
| const Operator* Word64Ror(); |
| const Operator* Word64Clz(); |
| const OptionalOperator Word64Ctz(); |
| const Operator* Word64CtzPlaceholder(); |
| const Operator* Word64Equal(); |
| |
| const Operator* Int32PairAdd(); |
| const Operator* Int32PairSub(); |
| const Operator* Int32PairMul(); |
| const Operator* Word32PairShl(); |
| const Operator* Word32PairShr(); |
| const Operator* Word32PairSar(); |
| |
| const Operator* Int32Add(); |
| const Operator* Int32AddWithOverflow(); |
| const Operator* Int32Sub(); |
| const Operator* Int32SubWithOverflow(); |
| const Operator* Int32Mul(); |
| const Operator* Int32MulHigh(); |
| const Operator* Int32Div(); |
| const Operator* Int32Mod(); |
| const Operator* Int32LessThan(); |
| const Operator* Int32LessThanOrEqual(); |
| const Operator* Uint32Div(); |
| const Operator* Uint32LessThan(); |
| const Operator* Uint32LessThanOrEqual(); |
| const Operator* Uint32Mod(); |
| const Operator* Uint32MulHigh(); |
| bool Int32DivIsSafe() const { return flags_ & kInt32DivIsSafe; } |
| bool Uint32DivIsSafe() const { return flags_ & kUint32DivIsSafe; } |
| |
| const Operator* Int64Add(); |
| const Operator* Int64AddWithOverflow(); |
| const Operator* Int64Sub(); |
| const Operator* Int64SubWithOverflow(); |
| const Operator* Int64Mul(); |
| const Operator* Int64Div(); |
| const Operator* Int64Mod(); |
| const Operator* Int64LessThan(); |
| const Operator* Int64LessThanOrEqual(); |
| const Operator* Uint64Div(); |
| const Operator* Uint64LessThan(); |
| const Operator* Uint64LessThanOrEqual(); |
| const Operator* Uint64Mod(); |
| |
| // This operator reinterprets the bits of a word as tagged pointer. |
| const Operator* BitcastWordToTagged(); |
| |
| // JavaScript float64 to int32/uint32 truncation. |
| const Operator* TruncateFloat64ToWord32(); |
| |
| // These operators change the representation of numbers while preserving the |
| // value of the number. Narrowing operators assume the input is representable |
| // in the target type and are *not* defined for other inputs. |
| // Use narrowing change operators only when there is a static guarantee that |
| // the input value is representable in the target value. |
| const Operator* ChangeFloat32ToFloat64(); |
| const Operator* ChangeFloat64ToInt32(); // narrowing |
| const Operator* ChangeFloat64ToUint32(); // narrowing |
| const Operator* TruncateFloat64ToUint32(); |
| const Operator* TruncateFloat32ToInt32(); |
| const Operator* TruncateFloat32ToUint32(); |
| const Operator* TryTruncateFloat32ToInt64(); |
| const Operator* TryTruncateFloat64ToInt64(); |
| const Operator* TryTruncateFloat32ToUint64(); |
| const Operator* TryTruncateFloat64ToUint64(); |
| const Operator* ChangeInt32ToFloat64(); |
| const Operator* ChangeInt32ToInt64(); |
| const Operator* ChangeUint32ToFloat64(); |
| const Operator* ChangeUint32ToUint64(); |
| |
| // These operators truncate or round numbers, both changing the representation |
| // of the number and mapping multiple input values onto the same output value. |
| const Operator* TruncateFloat64ToFloat32(); |
| const Operator* TruncateInt64ToInt32(); |
| const Operator* RoundFloat64ToInt32(); |
| const Operator* RoundInt32ToFloat32(); |
| const Operator* RoundInt64ToFloat32(); |
| const Operator* RoundInt64ToFloat64(); |
| const Operator* RoundUint32ToFloat32(); |
| const Operator* RoundUint64ToFloat32(); |
| const Operator* RoundUint64ToFloat64(); |
| |
| // These operators reinterpret the bits of a floating point number as an |
| // integer and vice versa. |
| const Operator* BitcastFloat32ToInt32(); |
| const Operator* BitcastFloat64ToInt64(); |
| const Operator* BitcastInt32ToFloat32(); |
| const Operator* BitcastInt64ToFloat64(); |
| |
| // Floating point operators always operate with IEEE 754 round-to-nearest |
| // (single-precision). |
| const Operator* Float32Add(); |
| const Operator* Float32Sub(); |
| const Operator* Float32SubPreserveNan(); |
| const Operator* Float32Mul(); |
| const Operator* Float32Div(); |
| const Operator* Float32Sqrt(); |
| |
| // Floating point operators always operate with IEEE 754 round-to-nearest |
| // (double-precision). |
| const Operator* Float64Add(); |
| const Operator* Float64Sub(); |
| const Operator* Float64SubPreserveNan(); |
| const Operator* Float64Mul(); |
| const Operator* Float64Div(); |
| const Operator* Float64Mod(); |
| const Operator* Float64Sqrt(); |
| |
| // Floating point comparisons complying to IEEE 754 (single-precision). |
| const Operator* Float32Equal(); |
| const Operator* Float32LessThan(); |
| const Operator* Float32LessThanOrEqual(); |
| |
| // Floating point comparisons complying to IEEE 754 (double-precision). |
| const Operator* Float64Equal(); |
| const Operator* Float64LessThan(); |
| const Operator* Float64LessThanOrEqual(); |
| |
| // Floating point min/max complying to IEEE 754 (single-precision). |
| const OptionalOperator Float32Max(); |
| const OptionalOperator Float32Min(); |
| |
| // Floating point min/max complying to IEEE 754 (double-precision). |
| const OptionalOperator Float64Max(); |
| const OptionalOperator Float64Min(); |
| |
| // Floating point abs complying to IEEE 754 (single-precision). |
| const Operator* Float32Abs(); |
| |
| // Floating point abs complying to IEEE 754 (double-precision). |
| const Operator* Float64Abs(); |
| |
| // Floating point rounding. |
| const OptionalOperator Float32RoundDown(); |
| const OptionalOperator Float64RoundDown(); |
| const OptionalOperator Float32RoundUp(); |
| const OptionalOperator Float64RoundUp(); |
| const OptionalOperator Float32RoundTruncate(); |
| const OptionalOperator Float64RoundTruncate(); |
| const OptionalOperator Float64RoundTiesAway(); |
| const OptionalOperator Float32RoundTiesEven(); |
| const OptionalOperator Float64RoundTiesEven(); |
| |
| // Floating point neg. |
| const OptionalOperator Float32Neg(); |
| const OptionalOperator Float64Neg(); |
| |
| // Floating point trigonometric functions (double-precision). |
| const Operator* Float64Atan(); |
| const Operator* Float64Atan2(); |
| const Operator* Float64Atanh(); |
| |
| // Floating point trigonometric functions (double-precision). |
| const Operator* Float64Cos(); |
| const Operator* Float64Sin(); |
| const Operator* Float64Tan(); |
| |
| // Floating point exponential functions (double-precision). |
| const Operator* Float64Exp(); |
| |
| // Floating point logarithm (double-precision). |
| const Operator* Float64Log(); |
| const Operator* Float64Log1p(); |
| const Operator* Float64Log2(); |
| const Operator* Float64Log10(); |
| |
| const Operator* Float64Cbrt(); |
| const Operator* Float64Expm1(); |
| |
| // Floating point bit representation. |
| const Operator* Float64ExtractLowWord32(); |
| const Operator* Float64ExtractHighWord32(); |
| const Operator* Float64InsertLowWord32(); |
| const Operator* Float64InsertHighWord32(); |
| |
| // Change signalling NaN to quiet NaN. |
| // Identity for any input that is not signalling NaN. |
| const Operator* Float64SilenceNaN(); |
| |
| // SIMD operators. |
| const Operator* CreateFloat32x4(); |
| const Operator* Float32x4ExtractLane(); |
| const Operator* Float32x4ReplaceLane(); |
| const Operator* Float32x4Abs(); |
| const Operator* Float32x4Neg(); |
| const Operator* Float32x4Sqrt(); |
| const Operator* Float32x4RecipApprox(); |
| const Operator* Float32x4RecipSqrtApprox(); |
| const Operator* Float32x4Add(); |
| const Operator* Float32x4Sub(); |
| const Operator* Float32x4Mul(); |
| const Operator* Float32x4Div(); |
| const Operator* Float32x4Min(); |
| const Operator* Float32x4Max(); |
| const Operator* Float32x4MinNum(); |
| const Operator* Float32x4MaxNum(); |
| const Operator* Float32x4Equal(); |
| const Operator* Float32x4NotEqual(); |
| const Operator* Float32x4LessThan(); |
| const Operator* Float32x4LessThanOrEqual(); |
| const Operator* Float32x4GreaterThan(); |
| const Operator* Float32x4GreaterThanOrEqual(); |
| const Operator* Float32x4Select(); |
| const Operator* Float32x4Swizzle(); |
| const Operator* Float32x4Shuffle(); |
| const Operator* Float32x4FromInt32x4(); |
| const Operator* Float32x4FromUint32x4(); |
| |
| const Operator* CreateInt32x4(); |
| const Operator* Int32x4ExtractLane(); |
| const Operator* Int32x4ReplaceLane(); |
| const Operator* Int32x4Neg(); |
| const Operator* Int32x4Add(); |
| const Operator* Int32x4Sub(); |
| const Operator* Int32x4Mul(); |
| const Operator* Int32x4Min(); |
| const Operator* Int32x4Max(); |
| const Operator* Int32x4ShiftLeftByScalar(); |
| const Operator* Int32x4ShiftRightByScalar(); |
| const Operator* Int32x4Equal(); |
| const Operator* Int32x4NotEqual(); |
| const Operator* Int32x4LessThan(); |
| const Operator* Int32x4LessThanOrEqual(); |
| const Operator* Int32x4GreaterThan(); |
| const Operator* Int32x4GreaterThanOrEqual(); |
| const Operator* Int32x4Select(); |
| const Operator* Int32x4Swizzle(); |
| const Operator* Int32x4Shuffle(); |
| const Operator* Int32x4FromFloat32x4(); |
| |
| const Operator* Uint32x4Min(); |
| const Operator* Uint32x4Max(); |
| const Operator* Uint32x4ShiftLeftByScalar(); |
| const Operator* Uint32x4ShiftRightByScalar(); |
| const Operator* Uint32x4LessThan(); |
| const Operator* Uint32x4LessThanOrEqual(); |
| const Operator* Uint32x4GreaterThan(); |
| const Operator* Uint32x4GreaterThanOrEqual(); |
| const Operator* Uint32x4FromFloat32x4(); |
| |
| const Operator* CreateBool32x4(); |
| const Operator* Bool32x4ExtractLane(); |
| const Operator* Bool32x4ReplaceLane(); |
| const Operator* Bool32x4And(); |
| const Operator* Bool32x4Or(); |
| const Operator* Bool32x4Xor(); |
| const Operator* Bool32x4Not(); |
| const Operator* Bool32x4AnyTrue(); |
| const Operator* Bool32x4AllTrue(); |
| const Operator* Bool32x4Swizzle(); |
| const Operator* Bool32x4Shuffle(); |
| const Operator* Bool32x4Equal(); |
| const Operator* Bool32x4NotEqual(); |
| |
| const Operator* CreateInt16x8(); |
| const Operator* Int16x8ExtractLane(); |
| const Operator* Int16x8ReplaceLane(); |
| const Operator* Int16x8Neg(); |
| const Operator* Int16x8Add(); |
| const Operator* Int16x8AddSaturate(); |
| const Operator* Int16x8Sub(); |
| const Operator* Int16x8SubSaturate(); |
| const Operator* Int16x8Mul(); |
| const Operator* Int16x8Min(); |
| const Operator* Int16x8Max(); |
| const Operator* Int16x8ShiftLeftByScalar(); |
| const Operator* Int16x8ShiftRightByScalar(); |
| const Operator* Int16x8Equal(); |
| const Operator* Int16x8NotEqual(); |
| const Operator* Int16x8LessThan(); |
| const Operator* Int16x8LessThanOrEqual(); |
| const Operator* Int16x8GreaterThan(); |
| const Operator* Int16x8GreaterThanOrEqual(); |
| const Operator* Int16x8Select(); |
| const Operator* Int16x8Swizzle(); |
| const Operator* Int16x8Shuffle(); |
| |
| const Operator* Uint16x8AddSaturate(); |
| const Operator* Uint16x8SubSaturate(); |
| const Operator* Uint16x8Min(); |
| const Operator* Uint16x8Max(); |
| const Operator* Uint16x8ShiftLeftByScalar(); |
| const Operator* Uint16x8ShiftRightByScalar(); |
| const Operator* Uint16x8LessThan(); |
| const Operator* Uint16x8LessThanOrEqual(); |
| const Operator* Uint16x8GreaterThan(); |
| const Operator* Uint16x8GreaterThanOrEqual(); |
| |
| const Operator* CreateBool16x8(); |
| const Operator* Bool16x8ExtractLane(); |
| const Operator* Bool16x8ReplaceLane(); |
| const Operator* Bool16x8And(); |
| const Operator* Bool16x8Or(); |
| const Operator* Bool16x8Xor(); |
| const Operator* Bool16x8Not(); |
| const Operator* Bool16x8AnyTrue(); |
| const Operator* Bool16x8AllTrue(); |
| const Operator* Bool16x8Swizzle(); |
| const Operator* Bool16x8Shuffle(); |
| const Operator* Bool16x8Equal(); |
| const Operator* Bool16x8NotEqual(); |
| |
| const Operator* CreateInt8x16(); |
| const Operator* Int8x16ExtractLane(); |
| const Operator* Int8x16ReplaceLane(); |
| const Operator* Int8x16Neg(); |
| const Operator* Int8x16Add(); |
| const Operator* Int8x16AddSaturate(); |
| const Operator* Int8x16Sub(); |
| const Operator* Int8x16SubSaturate(); |
| const Operator* Int8x16Mul(); |
| const Operator* Int8x16Min(); |
| const Operator* Int8x16Max(); |
| const Operator* Int8x16ShiftLeftByScalar(); |
| const Operator* Int8x16ShiftRightByScalar(); |
| const Operator* Int8x16Equal(); |
| const Operator* Int8x16NotEqual(); |
| const Operator* Int8x16LessThan(); |
| const Operator* Int8x16LessThanOrEqual(); |
| const Operator* Int8x16GreaterThan(); |
| const Operator* Int8x16GreaterThanOrEqual(); |
| const Operator* Int8x16Select(); |
| const Operator* Int8x16Swizzle(); |
| const Operator* Int8x16Shuffle(); |
| |
| const Operator* Uint8x16AddSaturate(); |
| const Operator* Uint8x16SubSaturate(); |
| const Operator* Uint8x16Min(); |
| const Operator* Uint8x16Max(); |
| const Operator* Uint8x16ShiftLeftByScalar(); |
| const Operator* Uint8x16ShiftRightByScalar(); |
| const Operator* Uint8x16LessThan(); |
| const Operator* Uint8x16LessThanOrEqual(); |
| const Operator* Uint8x16GreaterThan(); |
| const Operator* Uint8x16GreaterThanOrEqual(); |
| |
| const Operator* CreateBool8x16(); |
| const Operator* Bool8x16ExtractLane(); |
| const Operator* Bool8x16ReplaceLane(); |
| const Operator* Bool8x16And(); |
| const Operator* Bool8x16Or(); |
| const Operator* Bool8x16Xor(); |
| const Operator* Bool8x16Not(); |
| const Operator* Bool8x16AnyTrue(); |
| const Operator* Bool8x16AllTrue(); |
| const Operator* Bool8x16Swizzle(); |
| const Operator* Bool8x16Shuffle(); |
| const Operator* Bool8x16Equal(); |
| const Operator* Bool8x16NotEqual(); |
| |
| const Operator* Simd128Load(); |
| const Operator* Simd128Load1(); |
| const Operator* Simd128Load2(); |
| const Operator* Simd128Load3(); |
| const Operator* Simd128Store(); |
| const Operator* Simd128Store1(); |
| const Operator* Simd128Store2(); |
| const Operator* Simd128Store3(); |
| const Operator* Simd128And(); |
| const Operator* Simd128Or(); |
| const Operator* Simd128Xor(); |
| const Operator* Simd128Not(); |
| |
| // load [base + index] |
| const Operator* Load(LoadRepresentation rep); |
| |
| // store [base + index], value |
| const Operator* Store(StoreRepresentation rep); |
| |
| const Operator* StackSlot(MachineRepresentation rep); |
| |
| // Access to the machine stack. |
| const Operator* LoadStackPointer(); |
| const Operator* LoadFramePointer(); |
| const Operator* LoadParentFramePointer(); |
| |
| // checked-load heap, index, length |
| const Operator* CheckedLoad(CheckedLoadRepresentation); |
| // checked-store heap, index, length, value |
| const Operator* CheckedStore(CheckedStoreRepresentation); |
| |
| // atomic-load [base + index] |
| const Operator* AtomicLoad(LoadRepresentation rep); |
| // atomic-store [base + index], value |
| const Operator* AtomicStore(MachineRepresentation rep); |
| |
| // Target machine word-size assumed by this builder. |
| bool Is32() const { return word() == MachineRepresentation::kWord32; } |
| bool Is64() const { return word() == MachineRepresentation::kWord64; } |
| MachineRepresentation word() const { return word_; } |
| |
| bool UnalignedLoadSupported(const MachineType& machineType, |
| uint8_t alignment) { |
| return alignment_requirements_.IsUnalignedLoadSupported(machineType, |
| alignment); |
| } |
| |
| bool UnalignedStoreSupported(const MachineType& machineType, |
| uint8_t alignment) { |
| return alignment_requirements_.IsUnalignedStoreSupported(machineType, |
| alignment); |
| } |
| |
| // Pseudo operators that translate to 32/64-bit operators depending on the |
| // word-size of the target machine assumed by this builder. |
| #define PSEUDO_OP_LIST(V) \ |
| V(Word, And) \ |
| V(Word, Or) \ |
| V(Word, Xor) \ |
| V(Word, Shl) \ |
| V(Word, Shr) \ |
| V(Word, Sar) \ |
| V(Word, Ror) \ |
| V(Word, Clz) \ |
| V(Word, Equal) \ |
| V(Int, Add) \ |
| V(Int, Sub) \ |
| V(Int, Mul) \ |
| V(Int, Div) \ |
| V(Int, Mod) \ |
| V(Int, LessThan) \ |
| V(Int, LessThanOrEqual) \ |
| V(Uint, Div) \ |
| V(Uint, LessThan) \ |
| V(Uint, Mod) |
| #define PSEUDO_OP(Prefix, Suffix) \ |
| const Operator* Prefix##Suffix() { \ |
| return Is32() ? Prefix##32##Suffix() : Prefix##64##Suffix(); \ |
| } |
| PSEUDO_OP_LIST(PSEUDO_OP) |
| #undef PSEUDO_OP |
| #undef PSEUDO_OP_LIST |
| |
| private: |
| Zone* zone_; |
| MachineOperatorGlobalCache const& cache_; |
| MachineRepresentation const word_; |
| Flags const flags_; |
| AlignmentRequirements const alignment_requirements_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MachineOperatorBuilder); |
| }; |
| |
| |
| DEFINE_OPERATORS_FOR_FLAGS(MachineOperatorBuilder::Flags) |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_MACHINE_OPERATOR_H_ |