| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #include "code_generator_arm64.h" |
| |
| #include "mirror/array-inl.h" |
| #include "mirror/string.h" |
| |
| using namespace vixl::aarch64; // NOLINT(build/namespaces) |
| |
| namespace art { |
| namespace arm64 { |
| |
| using helpers::ARM64EncodableConstantOrRegister; |
| using helpers::Arm64CanEncodeConstantAsImmediate; |
| using helpers::DRegisterFrom; |
| using helpers::HeapOperand; |
| using helpers::InputRegisterAt; |
| using helpers::Int64ConstantFrom; |
| using helpers::OutputRegister; |
| using helpers::VRegisterFrom; |
| using helpers::WRegisterFrom; |
| using helpers::XRegisterFrom; |
| |
| #define __ GetVIXLAssembler()-> |
| |
| void LocationsBuilderARM64::VisitVecReplicateScalar(HVecReplicateScalar* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetAllocator()) LocationSummary(instruction); |
| HInstruction* input = instruction->InputAt(0); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| locations->SetInAt(0, ARM64EncodableConstantOrRegister(input, instruction)); |
| locations->SetOut(Location::RequiresFpuRegister()); |
| break; |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| if (input->IsConstant() && |
| Arm64CanEncodeConstantAsImmediate(input->AsConstant(), instruction)) { |
| locations->SetInAt(0, Location::ConstantLocation(input->AsConstant())); |
| locations->SetOut(Location::RequiresFpuRegister()); |
| } else { |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecReplicateScalar(HVecReplicateScalar* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| Location src_loc = locations->InAt(0); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| if (src_loc.IsConstant()) { |
| __ Movi(dst.V16B(), Int64ConstantFrom(src_loc)); |
| } else { |
| __ Dup(dst.V16B(), InputRegisterAt(instruction, 0)); |
| } |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| if (src_loc.IsConstant()) { |
| __ Movi(dst.V8H(), Int64ConstantFrom(src_loc)); |
| } else { |
| __ Dup(dst.V8H(), InputRegisterAt(instruction, 0)); |
| } |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| if (src_loc.IsConstant()) { |
| __ Movi(dst.V4S(), Int64ConstantFrom(src_loc)); |
| } else { |
| __ Dup(dst.V4S(), InputRegisterAt(instruction, 0)); |
| } |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| if (src_loc.IsConstant()) { |
| __ Movi(dst.V2D(), Int64ConstantFrom(src_loc)); |
| } else { |
| __ Dup(dst.V2D(), XRegisterFrom(src_loc)); |
| } |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| if (src_loc.IsConstant()) { |
| __ Fmov(dst.V4S(), src_loc.GetConstant()->AsFloatConstant()->GetValue()); |
| } else { |
| __ Dup(dst.V4S(), VRegisterFrom(src_loc).V4S(), 0); |
| } |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| if (src_loc.IsConstant()) { |
| __ Fmov(dst.V2D(), src_loc.GetConstant()->AsDoubleConstant()->GetValue()); |
| } else { |
| __ Dup(dst.V2D(), VRegisterFrom(src_loc).V2D(), 0); |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecExtractScalar(HVecExtractScalar* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetAllocator()) LocationSummary(instruction); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresRegister()); |
| break; |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::SameAsFirstInput()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecExtractScalar(HVecExtractScalar* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister src = VRegisterFrom(locations->InAt(0)); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Umov(OutputRegister(instruction), src.V4S(), 0); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Umov(OutputRegister(instruction), src.V2D(), 0); |
| break; |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| DCHECK_LE(2u, instruction->GetVectorLength()); |
| DCHECK_LE(instruction->GetVectorLength(), 4u); |
| DCHECK(locations->InAt(0).Equals(locations->Out())); // no code required |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| // Helper to set up locations for vector unary operations. |
| static void CreateVecUnOpLocations(ArenaAllocator* allocator, HVecUnaryOperation* instruction) { |
| LocationSummary* locations = new (allocator) LocationSummary(instruction); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), |
| instruction->IsVecNot() ? Location::kOutputOverlap |
| : Location::kNoOutputOverlap); |
| break; |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecReduce(HVecReduce* instruction) { |
| CreateVecUnOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecReduce(HVecReduce* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister src = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = DRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| switch (instruction->GetKind()) { |
| case HVecReduce::kSum: |
| __ Addv(dst.S(), src.V4S()); |
| break; |
| case HVecReduce::kMin: |
| __ Sminv(dst.S(), src.V4S()); |
| break; |
| case HVecReduce::kMax: |
| __ Smaxv(dst.S(), src.V4S()); |
| break; |
| } |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| switch (instruction->GetKind()) { |
| case HVecReduce::kSum: |
| __ Addp(dst.D(), src.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD min/max"; |
| UNREACHABLE(); |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecCnv(HVecCnv* instruction) { |
| CreateVecUnOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecCnv(HVecCnv* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister src = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| DataType::Type from = instruction->GetInputType(); |
| DataType::Type to = instruction->GetResultType(); |
| if (from == DataType::Type::kInt32 && to == DataType::Type::kFloat32) { |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Scvtf(dst.V4S(), src.V4S()); |
| } else { |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecNeg(HVecNeg* instruction) { |
| CreateVecUnOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecNeg(HVecNeg* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister src = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Neg(dst.V16B(), src.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Neg(dst.V8H(), src.V8H()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Neg(dst.V4S(), src.V4S()); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Neg(dst.V2D(), src.V2D()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fneg(dst.V4S(), src.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fneg(dst.V2D(), src.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecAbs(HVecAbs* instruction) { |
| CreateVecUnOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecAbs(HVecAbs* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister src = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Abs(dst.V16B(), src.V16B()); |
| break; |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Abs(dst.V8H(), src.V8H()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Abs(dst.V4S(), src.V4S()); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Abs(dst.V2D(), src.V2D()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fabs(dst.V4S(), src.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fabs(dst.V2D(), src.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecNot(HVecNot* instruction) { |
| CreateVecUnOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecNot(HVecNot* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister src = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: // special case boolean-not |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Movi(dst.V16B(), 1); |
| __ Eor(dst.V16B(), dst.V16B(), src.V16B()); |
| break; |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| __ Not(dst.V16B(), src.V16B()); // lanes do not matter |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| // Helper to set up locations for vector binary operations. |
| static void CreateVecBinOpLocations(ArenaAllocator* allocator, HVecBinaryOperation* instruction) { |
| LocationSummary* locations = new (allocator) LocationSummary(instruction); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecAdd(HVecAdd* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecAdd(HVecAdd* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Add(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Add(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Add(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Add(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fadd(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fadd(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecSaturationAdd(HVecSaturationAdd* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecSaturationAdd(HVecSaturationAdd* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Uqadd(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Sqadd(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Uqadd(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Sqadd(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecHalvingAdd(HVecHalvingAdd* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecHalvingAdd(HVecHalvingAdd* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| instruction->IsRounded() |
| ? __ Urhadd(dst.V16B(), lhs.V16B(), rhs.V16B()) |
| : __ Uhadd(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| instruction->IsRounded() |
| ? __ Srhadd(dst.V16B(), lhs.V16B(), rhs.V16B()) |
| : __ Shadd(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| instruction->IsRounded() |
| ? __ Urhadd(dst.V8H(), lhs.V8H(), rhs.V8H()) |
| : __ Uhadd(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| instruction->IsRounded() |
| ? __ Srhadd(dst.V8H(), lhs.V8H(), rhs.V8H()) |
| : __ Shadd(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecSub(HVecSub* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecSub(HVecSub* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Sub(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Sub(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Sub(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Sub(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fsub(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fsub(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecSaturationSub(HVecSaturationSub* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecSaturationSub(HVecSaturationSub* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Uqsub(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Sqsub(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Uqsub(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Sqsub(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecMul(HVecMul* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecMul(HVecMul* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Mul(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Mul(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Mul(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fmul(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fmul(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecDiv(HVecDiv* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecDiv(HVecDiv* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fdiv(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fdiv(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecMin(HVecMin* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecMin(HVecMin* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Umin(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Smin(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Umin(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Smin(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kUint32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Umin(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Smin(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fmin(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fmin(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecMax(HVecMax* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecMax(HVecMax* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Umax(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Smax(dst.V16B(), lhs.V16B(), rhs.V16B()); |
| break; |
| case DataType::Type::kUint16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Umax(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Smax(dst.V8H(), lhs.V8H(), rhs.V8H()); |
| break; |
| case DataType::Type::kUint32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Umax(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Smax(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Fmax(dst.V4S(), lhs.V4S(), rhs.V4S()); |
| break; |
| case DataType::Type::kFloat64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Fmax(dst.V2D(), lhs.V2D(), rhs.V2D()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecAnd(HVecAnd* instruction) { |
| // TODO: Allow constants supported by BIC (vector, immediate). |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecAnd(HVecAnd* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| __ And(dst.V16B(), lhs.V16B(), rhs.V16B()); // lanes do not matter |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecAndNot(HVecAndNot* instruction) { |
| LOG(FATAL) << "Unsupported SIMD instruction " << instruction->GetId(); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecAndNot(HVecAndNot* instruction) { |
| // TODO: Use BIC (vector, register). |
| LOG(FATAL) << "Unsupported SIMD instruction " << instruction->GetId(); |
| } |
| |
| void LocationsBuilderARM64::VisitVecOr(HVecOr* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecOr(HVecOr* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| __ Orr(dst.V16B(), lhs.V16B(), rhs.V16B()); // lanes do not matter |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecXor(HVecXor* instruction) { |
| CreateVecBinOpLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecXor(HVecXor* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister rhs = VRegisterFrom(locations->InAt(1)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| __ Eor(dst.V16B(), lhs.V16B(), rhs.V16B()); // lanes do not matter |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| // Helper to set up locations for vector shift operations. |
| static void CreateVecShiftLocations(ArenaAllocator* allocator, HVecBinaryOperation* instruction) { |
| LocationSummary* locations = new (allocator) LocationSummary(instruction); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::ConstantLocation(instruction->InputAt(1)->AsConstant())); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecShl(HVecShl* instruction) { |
| CreateVecShiftLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecShl(HVecShl* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| int32_t value = locations->InAt(1).GetConstant()->AsIntConstant()->GetValue(); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Shl(dst.V16B(), lhs.V16B(), value); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Shl(dst.V8H(), lhs.V8H(), value); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Shl(dst.V4S(), lhs.V4S(), value); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Shl(dst.V2D(), lhs.V2D(), value); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecShr(HVecShr* instruction) { |
| CreateVecShiftLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecShr(HVecShr* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| int32_t value = locations->InAt(1).GetConstant()->AsIntConstant()->GetValue(); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Sshr(dst.V16B(), lhs.V16B(), value); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Sshr(dst.V8H(), lhs.V8H(), value); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Sshr(dst.V4S(), lhs.V4S(), value); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Sshr(dst.V2D(), lhs.V2D(), value); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecUShr(HVecUShr* instruction) { |
| CreateVecShiftLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecUShr(HVecUShr* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister lhs = VRegisterFrom(locations->InAt(0)); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| int32_t value = locations->InAt(1).GetConstant()->AsIntConstant()->GetValue(); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Ushr(dst.V16B(), lhs.V16B(), value); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Ushr(dst.V8H(), lhs.V8H(), value); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Ushr(dst.V4S(), lhs.V4S(), value); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Ushr(dst.V2D(), lhs.V2D(), value); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecSetScalars(HVecSetScalars* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetAllocator()) LocationSummary(instruction); |
| |
| DCHECK_EQ(1u, instruction->InputCount()); // only one input currently implemented |
| |
| HInstruction* input = instruction->InputAt(0); |
| bool is_zero = IsZeroBitPattern(input); |
| |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| locations->SetInAt(0, is_zero ? Location::ConstantLocation(input->AsConstant()) |
| : Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresFpuRegister()); |
| break; |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| locations->SetInAt(0, is_zero ? Location::ConstantLocation(input->AsConstant()) |
| : Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecSetScalars(HVecSetScalars* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister dst = VRegisterFrom(locations->Out()); |
| |
| DCHECK_EQ(1u, instruction->InputCount()); // only one input currently implemented |
| |
| // Zero out all other elements first. |
| __ Movi(dst.V16B(), 0); |
| |
| // Shorthand for any type of zero. |
| if (IsZeroBitPattern(instruction->InputAt(0))) { |
| return; |
| } |
| |
| // Set required elements. |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| __ Mov(dst.V16B(), 0, InputRegisterAt(instruction, 0)); |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Mov(dst.V8H(), 0, InputRegisterAt(instruction, 0)); |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Mov(dst.V4S(), 0, InputRegisterAt(instruction, 0)); |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Mov(dst.V2D(), 0, InputRegisterAt(instruction, 0)); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| // Helper to set up locations for vector accumulations. |
| static void CreateVecAccumLocations(ArenaAllocator* allocator, HVecOperation* instruction) { |
| LocationSummary* locations = new (allocator) LocationSummary(instruction); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetInAt(2, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::SameAsFirstInput()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecMultiplyAccumulate(HVecMultiplyAccumulate* instruction) { |
| CreateVecAccumLocations(GetGraph()->GetAllocator(), instruction); |
| } |
| |
| // Some early revisions of the Cortex-A53 have an erratum (835769) whereby it is possible for a |
| // 64-bit scalar multiply-accumulate instruction in AArch64 state to generate an incorrect result. |
| // However vector MultiplyAccumulate instruction is not affected. |
| void InstructionCodeGeneratorARM64::VisitVecMultiplyAccumulate(HVecMultiplyAccumulate* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister acc = VRegisterFrom(locations->InAt(0)); |
| VRegister left = VRegisterFrom(locations->InAt(1)); |
| VRegister right = VRegisterFrom(locations->InAt(2)); |
| |
| DCHECK(locations->InAt(0).Equals(locations->Out())); |
| |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, instruction->GetVectorLength()); |
| if (instruction->GetOpKind() == HInstruction::kAdd) { |
| __ Mla(acc.V16B(), left.V16B(), right.V16B()); |
| } else { |
| __ Mls(acc.V16B(), left.V16B(), right.V16B()); |
| } |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| if (instruction->GetOpKind() == HInstruction::kAdd) { |
| __ Mla(acc.V8H(), left.V8H(), right.V8H()); |
| } else { |
| __ Mls(acc.V8H(), left.V8H(), right.V8H()); |
| } |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| if (instruction->GetOpKind() == HInstruction::kAdd) { |
| __ Mla(acc.V4S(), left.V4S(), right.V4S()); |
| } else { |
| __ Mls(acc.V4S(), left.V4S(), right.V4S()); |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecSADAccumulate(HVecSADAccumulate* instruction) { |
| CreateVecAccumLocations(GetGraph()->GetAllocator(), instruction); |
| // Some conversions require temporary registers. |
| LocationSummary* locations = instruction->GetLocations(); |
| HVecOperation* a = instruction->InputAt(1)->AsVecOperation(); |
| HVecOperation* b = instruction->InputAt(2)->AsVecOperation(); |
| DCHECK_EQ(HVecOperation::ToSignedType(a->GetPackedType()), |
| HVecOperation::ToSignedType(b->GetPackedType())); |
| switch (a->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt64: |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| FALLTHROUGH_INTENDED; |
| case DataType::Type::kInt32: |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| break; |
| default: |
| break; |
| } |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| if (instruction->GetPackedType() == DataType::Type::kInt64) { |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| } |
| break; |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| if (instruction->GetPackedType() == a->GetPackedType()) { |
| locations->AddTemp(Location::RequiresFpuRegister()); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecSADAccumulate(HVecSADAccumulate* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| VRegister acc = VRegisterFrom(locations->InAt(0)); |
| VRegister left = VRegisterFrom(locations->InAt(1)); |
| VRegister right = VRegisterFrom(locations->InAt(2)); |
| |
| DCHECK(locations->InAt(0).Equals(locations->Out())); |
| |
| // Handle all feasible acc_T += sad(a_S, b_S) type combinations (T x S). |
| HVecOperation* a = instruction->InputAt(1)->AsVecOperation(); |
| HVecOperation* b = instruction->InputAt(2)->AsVecOperation(); |
| DCHECK_EQ(HVecOperation::ToSignedType(a->GetPackedType()), |
| HVecOperation::ToSignedType(b->GetPackedType())); |
| switch (a->GetPackedType()) { |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| DCHECK_EQ(16u, a->GetVectorLength()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| __ Sabal(acc.V8H(), left.V8B(), right.V8B()); |
| __ Sabal2(acc.V8H(), left.V16B(), right.V16B()); |
| break; |
| case DataType::Type::kInt32: { |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| VRegister tmp1 = VRegisterFrom(locations->GetTemp(0)); |
| VRegister tmp2 = VRegisterFrom(locations->GetTemp(1)); |
| __ Sxtl(tmp1.V8H(), left.V8B()); |
| __ Sxtl(tmp2.V8H(), right.V8B()); |
| __ Sabal(acc.V4S(), tmp1.V4H(), tmp2.V4H()); |
| __ Sabal2(acc.V4S(), tmp1.V8H(), tmp2.V8H()); |
| __ Sxtl2(tmp1.V8H(), left.V16B()); |
| __ Sxtl2(tmp2.V8H(), right.V16B()); |
| __ Sabal(acc.V4S(), tmp1.V4H(), tmp2.V4H()); |
| __ Sabal2(acc.V4S(), tmp1.V8H(), tmp2.V8H()); |
| break; |
| } |
| case DataType::Type::kInt64: { |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| VRegister tmp1 = VRegisterFrom(locations->GetTemp(0)); |
| VRegister tmp2 = VRegisterFrom(locations->GetTemp(1)); |
| VRegister tmp3 = VRegisterFrom(locations->GetTemp(2)); |
| VRegister tmp4 = VRegisterFrom(locations->GetTemp(3)); |
| __ Sxtl(tmp1.V8H(), left.V8B()); |
| __ Sxtl(tmp2.V8H(), right.V8B()); |
| __ Sxtl(tmp3.V4S(), tmp1.V4H()); |
| __ Sxtl(tmp4.V4S(), tmp2.V4H()); |
| __ Sabal(acc.V2D(), tmp3.V2S(), tmp4.V2S()); |
| __ Sabal2(acc.V2D(), tmp3.V4S(), tmp4.V4S()); |
| __ Sxtl2(tmp3.V4S(), tmp1.V8H()); |
| __ Sxtl2(tmp4.V4S(), tmp2.V8H()); |
| __ Sabal(acc.V2D(), tmp3.V2S(), tmp4.V2S()); |
| __ Sabal2(acc.V2D(), tmp3.V4S(), tmp4.V4S()); |
| __ Sxtl2(tmp1.V8H(), left.V16B()); |
| __ Sxtl2(tmp2.V8H(), right.V16B()); |
| __ Sxtl(tmp3.V4S(), tmp1.V4H()); |
| __ Sxtl(tmp4.V4S(), tmp2.V4H()); |
| __ Sabal(acc.V2D(), tmp3.V2S(), tmp4.V2S()); |
| __ Sabal2(acc.V2D(), tmp3.V4S(), tmp4.V4S()); |
| __ Sxtl2(tmp3.V4S(), tmp1.V8H()); |
| __ Sxtl2(tmp4.V4S(), tmp2.V8H()); |
| __ Sabal(acc.V2D(), tmp3.V2S(), tmp4.V2S()); |
| __ Sabal2(acc.V2D(), tmp3.V4S(), tmp4.V4S()); |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| break; |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| DCHECK_EQ(8u, a->GetVectorLength()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| __ Sabal(acc.V4S(), left.V4H(), right.V4H()); |
| __ Sabal2(acc.V4S(), left.V8H(), right.V8H()); |
| break; |
| case DataType::Type::kInt64: { |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| VRegister tmp1 = VRegisterFrom(locations->GetTemp(0)); |
| VRegister tmp2 = VRegisterFrom(locations->GetTemp(1)); |
| __ Sxtl(tmp1.V4S(), left.V4H()); |
| __ Sxtl(tmp2.V4S(), right.V4H()); |
| __ Sabal(acc.V2D(), tmp1.V2S(), tmp2.V2S()); |
| __ Sabal2(acc.V2D(), tmp1.V4S(), tmp2.V4S()); |
| __ Sxtl2(tmp1.V4S(), left.V8H()); |
| __ Sxtl2(tmp2.V4S(), right.V8H()); |
| __ Sabal(acc.V2D(), tmp1.V2S(), tmp2.V2S()); |
| __ Sabal2(acc.V2D(), tmp1.V4S(), tmp2.V4S()); |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| break; |
| case DataType::Type::kInt32: |
| DCHECK_EQ(4u, a->GetVectorLength()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt32: { |
| DCHECK_EQ(4u, instruction->GetVectorLength()); |
| VRegister tmp = VRegisterFrom(locations->GetTemp(0)); |
| __ Sub(tmp.V4S(), left.V4S(), right.V4S()); |
| __ Abs(tmp.V4S(), tmp.V4S()); |
| __ Add(acc.V4S(), acc.V4S(), tmp.V4S()); |
| break; |
| } |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| __ Sabal(acc.V2D(), left.V2S(), right.V2S()); |
| __ Sabal2(acc.V2D(), left.V4S(), right.V4S()); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| break; |
| case DataType::Type::kInt64: |
| DCHECK_EQ(2u, a->GetVectorLength()); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kInt64: { |
| DCHECK_EQ(2u, instruction->GetVectorLength()); |
| VRegister tmp = VRegisterFrom(locations->GetTemp(0)); |
| __ Sub(tmp.V2D(), left.V2D(), right.V2D()); |
| __ Abs(tmp.V2D(), tmp.V2D()); |
| __ Add(acc.V2D(), acc.V2D(), tmp.V2D()); |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| } |
| } |
| |
| // Helper to set up locations for vector memory operations. |
| static void CreateVecMemLocations(ArenaAllocator* allocator, |
| HVecMemoryOperation* instruction, |
| bool is_load) { |
| LocationSummary* locations = new (allocator) LocationSummary(instruction); |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kFloat64: |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1))); |
| if (is_load) { |
| locations->SetOut(Location::RequiresFpuRegister()); |
| } else { |
| locations->SetInAt(2, Location::RequiresFpuRegister()); |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| // Helper to set up locations for vector memory operations. Returns the memory operand and, |
| // if used, sets the output parameter scratch to a temporary register used in this operand, |
| // so that the client can release it right after the memory operand use. |
| MemOperand InstructionCodeGeneratorARM64::VecAddress( |
| HVecMemoryOperation* instruction, |
| UseScratchRegisterScope* temps_scope, |
| size_t size, |
| bool is_string_char_at, |
| /*out*/ Register* scratch) { |
| LocationSummary* locations = instruction->GetLocations(); |
| Register base = InputRegisterAt(instruction, 0); |
| |
| if (instruction->InputAt(1)->IsIntermediateAddressIndex()) { |
| DCHECK(!is_string_char_at); |
| return MemOperand(base.X(), InputRegisterAt(instruction, 1).X()); |
| } |
| |
| Location index = locations->InAt(1); |
| uint32_t offset = is_string_char_at |
| ? mirror::String::ValueOffset().Uint32Value() |
| : mirror::Array::DataOffset(size).Uint32Value(); |
| size_t shift = ComponentSizeShiftWidth(size); |
| |
| // HIntermediateAddress optimization is only applied for scalar ArrayGet and ArraySet. |
| DCHECK(!instruction->InputAt(0)->IsIntermediateAddress()); |
| |
| if (index.IsConstant()) { |
| offset += Int64ConstantFrom(index) << shift; |
| return HeapOperand(base, offset); |
| } else { |
| *scratch = temps_scope->AcquireSameSizeAs(base); |
| __ Add(*scratch, base, Operand(WRegisterFrom(index), LSL, shift)); |
| return HeapOperand(*scratch, offset); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecLoad(HVecLoad* instruction) { |
| CreateVecMemLocations(GetGraph()->GetAllocator(), instruction, /*is_load*/ true); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecLoad(HVecLoad* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| size_t size = DataType::Size(instruction->GetPackedType()); |
| VRegister reg = VRegisterFrom(locations->Out()); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register scratch; |
| |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kUint16: |
| DCHECK_EQ(8u, instruction->GetVectorLength()); |
| // Special handling of compressed/uncompressed string load. |
| if (mirror::kUseStringCompression && instruction->IsStringCharAt()) { |
| vixl::aarch64::Label uncompressed_load, done; |
| // Test compression bit. |
| static_assert(static_cast<uint32_t>(mirror::StringCompressionFlag::kCompressed) == 0u, |
| "Expecting 0=compressed, 1=uncompressed"); |
| uint32_t count_offset = mirror::String::CountOffset().Uint32Value(); |
| Register length = temps.AcquireW(); |
| __ Ldr(length, HeapOperand(InputRegisterAt(instruction, 0), count_offset)); |
| __ Tbnz(length.W(), 0, &uncompressed_load); |
| temps.Release(length); // no longer needed |
| // Zero extend 8 compressed bytes into 8 chars. |
| __ Ldr(DRegisterFrom(locations->Out()).V8B(), |
| VecAddress(instruction, &temps, 1, /*is_string_char_at*/ true, &scratch)); |
| __ Uxtl(reg.V8H(), reg.V8B()); |
| __ B(&done); |
| if (scratch.IsValid()) { |
| temps.Release(scratch); // if used, no longer needed |
| } |
| // Load 8 direct uncompressed chars. |
| __ Bind(&uncompressed_load); |
| __ Ldr(reg, VecAddress(instruction, &temps, size, /*is_string_char_at*/ true, &scratch)); |
| __ Bind(&done); |
| return; |
| } |
| FALLTHROUGH_INTENDED; |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat64: |
| DCHECK_LE(2u, instruction->GetVectorLength()); |
| DCHECK_LE(instruction->GetVectorLength(), 16u); |
| __ Ldr(reg, VecAddress(instruction, &temps, size, instruction->IsStringCharAt(), &scratch)); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitVecStore(HVecStore* instruction) { |
| CreateVecMemLocations(GetGraph()->GetAllocator(), instruction, /*is_load*/ false); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitVecStore(HVecStore* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| size_t size = DataType::Size(instruction->GetPackedType()); |
| VRegister reg = VRegisterFrom(locations->InAt(2)); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register scratch; |
| |
| switch (instruction->GetPackedType()) { |
| case DataType::Type::kBool: |
| case DataType::Type::kUint8: |
| case DataType::Type::kInt8: |
| case DataType::Type::kUint16: |
| case DataType::Type::kInt16: |
| case DataType::Type::kInt32: |
| case DataType::Type::kFloat32: |
| case DataType::Type::kInt64: |
| case DataType::Type::kFloat64: |
| DCHECK_LE(2u, instruction->GetVectorLength()); |
| DCHECK_LE(instruction->GetVectorLength(), 16u); |
| __ Str(reg, VecAddress(instruction, &temps, size, /*is_string_char_at*/ false, &scratch)); |
| break; |
| default: |
| LOG(FATAL) << "Unsupported SIMD type: " << instruction->GetPackedType(); |
| UNREACHABLE(); |
| } |
| } |
| |
| #undef __ |
| |
| } // namespace arm64 |
| } // namespace art |