/*
* Copyright ( C ) 2024 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef ART_COMPILER_OPTIMIZING_NODES_RISCV64_H_
#define ART_COMPILER_OPTIMIZING_NODES_RISCV64_H_
namespace art HIDDEN {
class HRiscv64ShiftAdd final : public HBinaryOperation {
public :
HRiscv64ShiftAdd(HInstruction* left,
HInstruction* right,
uint32_t distance,
uint32_t dex_pc = kNoDexPc)
: HBinaryOperation(
kRiscv64ShiftAdd, DataType::Type::kInt64, left, right, SideEffects::None(), dex_pc) {
DCHECK_GE(distance, 1 u);
DCHECK_LE(distance, 3 u);
SetPackedField<DistanceField>(distance);
}
uint32_t GetDistance() const { return GetPackedField<DistanceField>(); }
bool InstructionDataEquals(const HInstruction* other) const override {
return GetPackedFields() == other->AsRiscv64ShiftAdd()->GetPackedFields();
}
HConstant* Evaluate(HLongConstant* x, HLongConstant* y) const override {
const int64_t value = y->GetValue() + (x->GetValue() << GetDistance());
return GetBlock()->GetGraph()->GetLongConstant(value);
}
DECLARE_INSTRUCTION(Riscv64ShiftAdd);
protected :
DEFAULT_COPY_CONSTRUCTOR(Riscv64ShiftAdd);
private :
static constexpr size_t kFieldDistance = kNumberOfGenericPackedBits;
static constexpr size_t kFieldDistanceSize = MinimumBitsToStore(3 u);
static constexpr size_t kNumberOfRiscv64ShiftAddPackedBits =
kFieldDistance + kFieldDistanceSize;
static_assert(kNumberOfRiscv64ShiftAddPackedBits <= kMaxNumberOfPackedBits,
"Too many packed fields." );
using DistanceField = BitField<uint32_t, kFieldDistance, kFieldDistanceSize>;
};
class HRiscv64BitSet final : public HBinaryOperation {
public :
HRiscv64BitSet(HInstruction* left, HInstruction* right, uint32_t dex_pc = kNoDexPc)
: HBinaryOperation(
kRiscv64BitSet, DataType::Type::kInt64, left, right, SideEffects::None(), dex_pc) {}
HConstant* Evaluate(HLongConstant* x, HIntConstant* y) const override {
int64_t value = x->GetValue() | (UINT64_C(1 ) << (y->GetValue() & kMaxLongShiftDistance));
return GetBlock()->GetGraph()->GetLongConstant(value);
}
DECLARE_INSTRUCTION(Riscv64BitSet);
protected :
DEFAULT_COPY_CONSTRUCTOR(Riscv64BitSet);
};
class HRiscv64BitClear final : public HBinaryOperation {
public :
HRiscv64BitClear(HInstruction* left, HInstruction* right, uint32_t dex_pc = kNoDexPc)
: HBinaryOperation(
kRiscv64BitClear, DataType::Type::kInt64, left, right, SideEffects::None(), dex_pc) {}
HConstant* Evaluate(HLongConstant* x, HIntConstant* y) const override {
int64_t value = x->GetValue() & (~(UINT64_C(1 ) << (y->GetValue() & kMaxLongShiftDistance)));
return GetBlock()->GetGraph()->GetLongConstant(value);
}
DECLARE_INSTRUCTION(Riscv64BitClear);
protected :
DEFAULT_COPY_CONSTRUCTOR(Riscv64BitClear);
};
class HRiscv64BitExtract final : public HBinaryOperation {
public :
HRiscv64BitExtract(HInstruction* left, HInstruction* right, uint32_t dex_pc = kNoDexPc)
: HBinaryOperation(
kRiscv64BitExtract, DataType::Type::kInt64, left, right, SideEffects::None(), dex_pc) {}
HConstant* Evaluate(HLongConstant* x, HIntConstant* y) const override {
int64_t value = (x->GetValue() >> (y->GetValue() & kMaxLongShiftDistance)) & UINT64_C(1 );
return GetBlock()->GetGraph()->GetLongConstant(value);
}
DECLARE_INSTRUCTION(Riscv64BitExtract);
protected :
DEFAULT_COPY_CONSTRUCTOR(Riscv64BitExtract);
};
class HRiscv64BitInvert final : public HBinaryOperation {
public :
HRiscv64BitInvert(HInstruction* left, HInstruction* right, uint32_t dex_pc = kNoDexPc)
: HBinaryOperation(
kRiscv64BitInvert, DataType::Type::kInt64, left, right, SideEffects::None(), dex_pc) {}
HConstant* Evaluate(HLongConstant* x, HIntConstant* y) const override {
int64_t value = x->GetValue() ^ (UINT64_C(1 ) << (y->GetValue() & kMaxLongShiftDistance));
return GetBlock()->GetGraph()->GetLongConstant(value);
}
DECLARE_INSTRUCTION(Riscv64BitInvert);
protected :
DEFAULT_COPY_CONSTRUCTOR(Riscv64BitInvert);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_NODES_RISCV64_H_
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(vorverarbeitet am 2026-06-29)
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