| /* |
| * Copyright (C) 2015 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 "intrinsics_mips64.h" |
| |
| #include "arch/mips64/instruction_set_features_mips64.h" |
| #include "art_method.h" |
| #include "code_generator_mips64.h" |
| #include "entrypoints/quick/quick_entrypoints.h" |
| #include "intrinsics.h" |
| #include "mirror/array-inl.h" |
| #include "mirror/string.h" |
| #include "thread.h" |
| #include "utils/mips64/assembler_mips64.h" |
| #include "utils/mips64/constants_mips64.h" |
| |
| namespace art { |
| |
| namespace mips64 { |
| |
| IntrinsicLocationsBuilderMIPS64::IntrinsicLocationsBuilderMIPS64(CodeGeneratorMIPS64* codegen) |
| : arena_(codegen->GetGraph()->GetArena()) { |
| } |
| |
| Mips64Assembler* IntrinsicCodeGeneratorMIPS64::GetAssembler() { |
| return reinterpret_cast<Mips64Assembler*>(codegen_->GetAssembler()); |
| } |
| |
| ArenaAllocator* IntrinsicCodeGeneratorMIPS64::GetAllocator() { |
| return codegen_->GetGraph()->GetArena(); |
| } |
| |
| #define __ codegen->GetAssembler()-> |
| |
| static void MoveFromReturnRegister(Location trg, |
| Primitive::Type type, |
| CodeGeneratorMIPS64* codegen) { |
| if (!trg.IsValid()) { |
| DCHECK_EQ(type, Primitive::kPrimVoid); |
| return; |
| } |
| |
| DCHECK_NE(type, Primitive::kPrimVoid); |
| |
| if (Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) { |
| GpuRegister trg_reg = trg.AsRegister<GpuRegister>(); |
| if (trg_reg != V0) { |
| __ Move(V0, trg_reg); |
| } |
| } else { |
| FpuRegister trg_reg = trg.AsFpuRegister<FpuRegister>(); |
| if (trg_reg != F0) { |
| if (type == Primitive::kPrimFloat) { |
| __ MovS(F0, trg_reg); |
| } else { |
| __ MovD(F0, trg_reg); |
| } |
| } |
| } |
| } |
| |
| static void MoveArguments(HInvoke* invoke, CodeGeneratorMIPS64* codegen) { |
| InvokeDexCallingConventionVisitorMIPS64 calling_convention_visitor; |
| IntrinsicVisitor::MoveArguments(invoke, codegen, &calling_convention_visitor); |
| } |
| |
| // Slow-path for fallback (calling the managed code to handle the |
| // intrinsic) in an intrinsified call. This will copy the arguments |
| // into the positions for a regular call. |
| // |
| // Note: The actual parameters are required to be in the locations |
| // given by the invoke's location summary. If an intrinsic |
| // modifies those locations before a slowpath call, they must be |
| // restored! |
| class IntrinsicSlowPathMIPS64 : public SlowPathCodeMIPS64 { |
| public: |
| explicit IntrinsicSlowPathMIPS64(HInvoke* invoke) |
| : SlowPathCodeMIPS64(invoke), invoke_(invoke) { } |
| |
| void EmitNativeCode(CodeGenerator* codegen_in) OVERRIDE { |
| CodeGeneratorMIPS64* codegen = down_cast<CodeGeneratorMIPS64*>(codegen_in); |
| |
| __ Bind(GetEntryLabel()); |
| |
| SaveLiveRegisters(codegen, invoke_->GetLocations()); |
| |
| MoveArguments(invoke_, codegen); |
| |
| if (invoke_->IsInvokeStaticOrDirect()) { |
| codegen->GenerateStaticOrDirectCall(invoke_->AsInvokeStaticOrDirect(), |
| Location::RegisterLocation(A0)); |
| } else { |
| codegen->GenerateVirtualCall(invoke_->AsInvokeVirtual(), Location::RegisterLocation(A0)); |
| } |
| codegen->RecordPcInfo(invoke_, invoke_->GetDexPc(), this); |
| |
| // Copy the result back to the expected output. |
| Location out = invoke_->GetLocations()->Out(); |
| if (out.IsValid()) { |
| DCHECK(out.IsRegister()); // TODO: Replace this when we support output in memory. |
| DCHECK(!invoke_->GetLocations()->GetLiveRegisters()->ContainsCoreRegister(out.reg())); |
| MoveFromReturnRegister(out, invoke_->GetType(), codegen); |
| } |
| |
| RestoreLiveRegisters(codegen, invoke_->GetLocations()); |
| __ Bc(GetExitLabel()); |
| } |
| |
| const char* GetDescription() const OVERRIDE { return "IntrinsicSlowPathMIPS64"; } |
| |
| private: |
| // The instruction where this slow path is happening. |
| HInvoke* const invoke_; |
| |
| DISALLOW_COPY_AND_ASSIGN(IntrinsicSlowPathMIPS64); |
| }; |
| |
| #undef __ |
| |
| bool IntrinsicLocationsBuilderMIPS64::TryDispatch(HInvoke* invoke) { |
| Dispatch(invoke); |
| LocationSummary* res = invoke->GetLocations(); |
| return res != nullptr && res->Intrinsified(); |
| } |
| |
| #define __ assembler-> |
| |
| static void CreateFPToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresRegister()); |
| } |
| |
| static void MoveFPToInt(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (is64bit) { |
| __ Dmfc1(out, in); |
| } else { |
| __ Mfc1(out, in); |
| } |
| } |
| |
| // long java.lang.Double.doubleToRawLongBits(double) |
| void IntrinsicLocationsBuilderMIPS64::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { |
| CreateFPToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { |
| MoveFPToInt(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
| } |
| |
| // int java.lang.Float.floatToRawIntBits(float) |
| void IntrinsicLocationsBuilderMIPS64::VisitFloatFloatToRawIntBits(HInvoke* invoke) { |
| CreateFPToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitFloatFloatToRawIntBits(HInvoke* invoke) { |
| MoveFPToInt(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
| } |
| |
| static void CreateIntToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresFpuRegister()); |
| } |
| |
| static void MoveIntToFP(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| |
| if (is64bit) { |
| __ Dmtc1(in, out); |
| } else { |
| __ Mtc1(in, out); |
| } |
| } |
| |
| // double java.lang.Double.longBitsToDouble(long) |
| void IntrinsicLocationsBuilderMIPS64::VisitDoubleLongBitsToDouble(HInvoke* invoke) { |
| CreateIntToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitDoubleLongBitsToDouble(HInvoke* invoke) { |
| MoveIntToFP(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
| } |
| |
| // float java.lang.Float.intBitsToFloat(int) |
| void IntrinsicLocationsBuilderMIPS64::VisitFloatIntBitsToFloat(HInvoke* invoke) { |
| CreateIntToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitFloatIntBitsToFloat(HInvoke* invoke) { |
| MoveIntToFP(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
| } |
| |
| static void CreateIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| static void GenReverseBytes(LocationSummary* locations, |
| Primitive::Type type, |
| Mips64Assembler* assembler) { |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| switch (type) { |
| case Primitive::kPrimShort: |
| __ Dsbh(out, in); |
| __ Seh(out, out); |
| break; |
| case Primitive::kPrimInt: |
| __ Rotr(out, in, 16); |
| __ Wsbh(out, out); |
| break; |
| case Primitive::kPrimLong: |
| __ Dsbh(out, in); |
| __ Dshd(out, out); |
| break; |
| default: |
| LOG(FATAL) << "Unexpected size for reverse-bytes: " << type; |
| UNREACHABLE(); |
| } |
| } |
| |
| // int java.lang.Integer.reverseBytes(int) |
| void IntrinsicLocationsBuilderMIPS64::VisitIntegerReverseBytes(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitIntegerReverseBytes(HInvoke* invoke) { |
| GenReverseBytes(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| } |
| |
| // long java.lang.Long.reverseBytes(long) |
| void IntrinsicLocationsBuilderMIPS64::VisitLongReverseBytes(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitLongReverseBytes(HInvoke* invoke) { |
| GenReverseBytes(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| } |
| |
| // short java.lang.Short.reverseBytes(short) |
| void IntrinsicLocationsBuilderMIPS64::VisitShortReverseBytes(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitShortReverseBytes(HInvoke* invoke) { |
| GenReverseBytes(invoke->GetLocations(), Primitive::kPrimShort, GetAssembler()); |
| } |
| |
| static void GenNumberOfLeadingZeroes(LocationSummary* locations, |
| bool is64bit, |
| Mips64Assembler* assembler) { |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (is64bit) { |
| __ Dclz(out, in); |
| } else { |
| __ Clz(out, in); |
| } |
| } |
| |
| // int java.lang.Integer.numberOfLeadingZeros(int i) |
| void IntrinsicLocationsBuilderMIPS64::VisitIntegerNumberOfLeadingZeros(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitIntegerNumberOfLeadingZeros(HInvoke* invoke) { |
| GenNumberOfLeadingZeroes(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
| } |
| |
| // int java.lang.Long.numberOfLeadingZeros(long i) |
| void IntrinsicLocationsBuilderMIPS64::VisitLongNumberOfLeadingZeros(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitLongNumberOfLeadingZeros(HInvoke* invoke) { |
| GenNumberOfLeadingZeroes(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
| } |
| |
| static void GenNumberOfTrailingZeroes(LocationSummary* locations, |
| bool is64bit, |
| Mips64Assembler* assembler) { |
| Location in = locations->InAt(0); |
| Location out = locations->Out(); |
| |
| if (is64bit) { |
| __ Dsbh(out.AsRegister<GpuRegister>(), in.AsRegister<GpuRegister>()); |
| __ Dshd(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| __ Dbitswap(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| __ Dclz(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| } else { |
| __ Rotr(out.AsRegister<GpuRegister>(), in.AsRegister<GpuRegister>(), 16); |
| __ Wsbh(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| __ Bitswap(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| __ Clz(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| } |
| } |
| |
| // int java.lang.Integer.numberOfTrailingZeros(int i) |
| void IntrinsicLocationsBuilderMIPS64::VisitIntegerNumberOfTrailingZeros(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitIntegerNumberOfTrailingZeros(HInvoke* invoke) { |
| GenNumberOfTrailingZeroes(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
| } |
| |
| // int java.lang.Long.numberOfTrailingZeros(long i) |
| void IntrinsicLocationsBuilderMIPS64::VisitLongNumberOfTrailingZeros(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitLongNumberOfTrailingZeros(HInvoke* invoke) { |
| GenNumberOfTrailingZeroes(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
| } |
| |
| static void GenRotateRight(HInvoke* invoke, |
| Primitive::Type type, |
| Mips64Assembler* assembler) { |
| DCHECK(type == Primitive::kPrimInt || type == Primitive::kPrimLong); |
| |
| LocationSummary* locations = invoke->GetLocations(); |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (invoke->InputAt(1)->IsIntConstant()) { |
| uint32_t shift = static_cast<uint32_t>(invoke->InputAt(1)->AsIntConstant()->GetValue()); |
| if (type == Primitive::kPrimInt) { |
| shift &= 0x1f; |
| __ Rotr(out, in, shift); |
| } else { |
| shift &= 0x3f; |
| if (shift < 32) { |
| __ Drotr(out, in, shift); |
| } else { |
| shift &= 0x1f; |
| __ Drotr32(out, in, shift); |
| } |
| } |
| } else { |
| GpuRegister shamt = locations->InAt(1).AsRegister<GpuRegister>(); |
| if (type == Primitive::kPrimInt) { |
| __ Rotrv(out, in, shamt); |
| } else { |
| __ Drotrv(out, in, shamt); |
| } |
| } |
| } |
| |
| // int java.lang.Integer.rotateRight(int i, int distance) |
| void IntrinsicLocationsBuilderMIPS64::VisitIntegerRotateRight(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(invoke->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitIntegerRotateRight(HInvoke* invoke) { |
| GenRotateRight(invoke, Primitive::kPrimInt, GetAssembler()); |
| } |
| |
| // long java.lang.Long.rotateRight(long i, int distance) |
| void IntrinsicLocationsBuilderMIPS64::VisitLongRotateRight(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(invoke->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitLongRotateRight(HInvoke* invoke) { |
| GenRotateRight(invoke, Primitive::kPrimLong, GetAssembler()); |
| } |
| |
| static void GenRotateLeft(HInvoke* invoke, |
| Primitive::Type type, |
| Mips64Assembler* assembler) { |
| DCHECK(type == Primitive::kPrimInt || type == Primitive::kPrimLong); |
| |
| LocationSummary* locations = invoke->GetLocations(); |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (invoke->InputAt(1)->IsIntConstant()) { |
| int32_t shift = -static_cast<int32_t>(invoke->InputAt(1)->AsIntConstant()->GetValue()); |
| if (type == Primitive::kPrimInt) { |
| shift &= 0x1f; |
| __ Rotr(out, in, shift); |
| } else { |
| shift &= 0x3f; |
| if (shift < 32) { |
| __ Drotr(out, in, shift); |
| } else { |
| shift &= 0x1f; |
| __ Drotr32(out, in, shift); |
| } |
| } |
| } else { |
| GpuRegister shamt = locations->InAt(1).AsRegister<GpuRegister>(); |
| if (type == Primitive::kPrimInt) { |
| __ Subu(TMP, ZERO, shamt); |
| __ Rotrv(out, in, TMP); |
| } else { |
| __ Dsubu(TMP, ZERO, shamt); |
| __ Drotrv(out, in, TMP); |
| } |
| } |
| } |
| |
| // int java.lang.Integer.rotateLeft(int i, int distance) |
| void IntrinsicLocationsBuilderMIPS64::VisitIntegerRotateLeft(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(invoke->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitIntegerRotateLeft(HInvoke* invoke) { |
| GenRotateLeft(invoke, Primitive::kPrimInt, GetAssembler()); |
| } |
| |
| // long java.lang.Long.rotateLeft(long i, int distance) |
| void IntrinsicLocationsBuilderMIPS64::VisitLongRotateLeft(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(invoke->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitLongRotateLeft(HInvoke* invoke) { |
| GenRotateLeft(invoke, Primitive::kPrimLong, GetAssembler()); |
| } |
| |
| static void GenReverse(LocationSummary* locations, |
| Primitive::Type type, |
| Mips64Assembler* assembler) { |
| DCHECK(type == Primitive::kPrimInt || type == Primitive::kPrimLong); |
| |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (type == Primitive::kPrimInt) { |
| __ Rotr(out, in, 16); |
| __ Wsbh(out, out); |
| __ Bitswap(out, out); |
| } else { |
| __ Dsbh(out, in); |
| __ Dshd(out, out); |
| __ Dbitswap(out, out); |
| } |
| } |
| |
| // int java.lang.Integer.reverse(int) |
| void IntrinsicLocationsBuilderMIPS64::VisitIntegerReverse(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitIntegerReverse(HInvoke* invoke) { |
| GenReverse(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| } |
| |
| // long java.lang.Long.reverse(long) |
| void IntrinsicLocationsBuilderMIPS64::VisitLongReverse(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitLongReverse(HInvoke* invoke) { |
| GenReverse(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| } |
| |
| static void CreateFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| } |
| |
| static void MathAbsFP(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| |
| if (is64bit) { |
| __ AbsD(out, in); |
| } else { |
| __ AbsS(out, in); |
| } |
| } |
| |
| // double java.lang.Math.abs(double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathAbsDouble(HInvoke* invoke) { |
| CreateFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathAbsDouble(HInvoke* invoke) { |
| MathAbsFP(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
| } |
| |
| // float java.lang.Math.abs(float) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathAbsFloat(HInvoke* invoke) { |
| CreateFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathAbsFloat(HInvoke* invoke) { |
| MathAbsFP(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
| } |
| |
| static void CreateIntToInt(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| static void GenAbsInteger(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (is64bit) { |
| __ Dsra32(AT, in, 31); |
| __ Xor(out, in, AT); |
| __ Dsubu(out, out, AT); |
| } else { |
| __ Sra(AT, in, 31); |
| __ Xor(out, in, AT); |
| __ Subu(out, out, AT); |
| } |
| } |
| |
| // int java.lang.Math.abs(int) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathAbsInt(HInvoke* invoke) { |
| CreateIntToInt(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathAbsInt(HInvoke* invoke) { |
| GenAbsInteger(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
| } |
| |
| // long java.lang.Math.abs(long) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathAbsLong(HInvoke* invoke) { |
| CreateIntToInt(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathAbsLong(HInvoke* invoke) { |
| GenAbsInteger(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
| } |
| |
| static void GenMinMaxFP(LocationSummary* locations, |
| bool is_min, |
| Primitive::Type type, |
| Mips64Assembler* assembler) { |
| FpuRegister a = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| FpuRegister b = locations->InAt(1).AsFpuRegister<FpuRegister>(); |
| FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| |
| Mips64Label noNaNs; |
| Mips64Label done; |
| FpuRegister ftmp = ((out != a) && (out != b)) ? out : FTMP; |
| |
| // When Java computes min/max it prefers a NaN to a number; the |
| // behavior of MIPSR6 is to prefer numbers to NaNs, i.e., if one of |
| // the inputs is a NaN and the other is a valid number, the MIPS |
| // instruction will return the number; Java wants the NaN value |
| // returned. This is why there is extra logic preceding the use of |
| // the MIPS min.fmt/max.fmt instructions. If either a, or b holds a |
| // NaN, return the NaN, otherwise return the min/max. |
| if (type == Primitive::kPrimDouble) { |
| __ CmpUnD(FTMP, a, b); |
| __ Bc1eqz(FTMP, &noNaNs); |
| |
| // One of the inputs is a NaN |
| __ CmpEqD(ftmp, a, a); |
| // If a == a then b is the NaN, otherwise a is the NaN. |
| __ SelD(ftmp, a, b); |
| |
| if (ftmp != out) { |
| __ MovD(out, ftmp); |
| } |
| |
| __ Bc(&done); |
| |
| __ Bind(&noNaNs); |
| |
| if (is_min) { |
| __ MinD(out, a, b); |
| } else { |
| __ MaxD(out, a, b); |
| } |
| } else { |
| DCHECK_EQ(type, Primitive::kPrimFloat); |
| __ CmpUnS(FTMP, a, b); |
| __ Bc1eqz(FTMP, &noNaNs); |
| |
| // One of the inputs is a NaN |
| __ CmpEqS(ftmp, a, a); |
| // If a == a then b is the NaN, otherwise a is the NaN. |
| __ SelS(ftmp, a, b); |
| |
| if (ftmp != out) { |
| __ MovS(out, ftmp); |
| } |
| |
| __ Bc(&done); |
| |
| __ Bind(&noNaNs); |
| |
| if (is_min) { |
| __ MinS(out, a, b); |
| } else { |
| __ MaxS(out, a, b); |
| } |
| } |
| |
| __ Bind(&done); |
| } |
| |
| static void CreateFPFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| } |
| |
| // double java.lang.Math.min(double, double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMinDoubleDouble(HInvoke* invoke) { |
| CreateFPFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMinDoubleDouble(HInvoke* invoke) { |
| GenMinMaxFP(invoke->GetLocations(), /* is_min */ true, Primitive::kPrimDouble, GetAssembler()); |
| } |
| |
| // float java.lang.Math.min(float, float) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMinFloatFloat(HInvoke* invoke) { |
| CreateFPFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMinFloatFloat(HInvoke* invoke) { |
| GenMinMaxFP(invoke->GetLocations(), /* is_min */ true, Primitive::kPrimFloat, GetAssembler()); |
| } |
| |
| // double java.lang.Math.max(double, double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMaxDoubleDouble(HInvoke* invoke) { |
| CreateFPFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMaxDoubleDouble(HInvoke* invoke) { |
| GenMinMaxFP(invoke->GetLocations(), /* is_min */ false, Primitive::kPrimDouble, GetAssembler()); |
| } |
| |
| // float java.lang.Math.max(float, float) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMaxFloatFloat(HInvoke* invoke) { |
| CreateFPFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMaxFloatFloat(HInvoke* invoke) { |
| GenMinMaxFP(invoke->GetLocations(), /* is_min */ false, Primitive::kPrimFloat, GetAssembler()); |
| } |
| |
| static void GenMinMax(LocationSummary* locations, |
| bool is_min, |
| Mips64Assembler* assembler) { |
| GpuRegister lhs = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister rhs = locations->InAt(1).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| if (lhs == rhs) { |
| if (out != lhs) { |
| __ Move(out, lhs); |
| } |
| } else { |
| // Some architectures, such as ARM and MIPS (prior to r6), have a |
| // conditional move instruction which only changes the target |
| // (output) register if the condition is true (MIPS prior to r6 had |
| // MOVF, MOVT, and MOVZ). The SELEQZ and SELNEZ instructions always |
| // change the target (output) register. If the condition is true the |
| // output register gets the contents of the "rs" register; otherwise, |
| // the output register is set to zero. One consequence of this is |
| // that to implement something like "rd = c==0 ? rs : rt" MIPS64r6 |
| // needs to use a pair of SELEQZ/SELNEZ instructions. After |
| // executing this pair of instructions one of the output registers |
| // from the pair will necessarily contain zero. Then the code ORs the |
| // output registers from the SELEQZ/SELNEZ instructions to get the |
| // final result. |
| // |
| // The initial test to see if the output register is same as the |
| // first input register is needed to make sure that value in the |
| // first input register isn't clobbered before we've finished |
| // computing the output value. The logic in the corresponding else |
| // clause performs the same task but makes sure the second input |
| // register isn't clobbered in the event that it's the same register |
| // as the output register; the else clause also handles the case |
| // where the output register is distinct from both the first, and the |
| // second input registers. |
| if (out == lhs) { |
| __ Slt(AT, rhs, lhs); |
| if (is_min) { |
| __ Seleqz(out, lhs, AT); |
| __ Selnez(AT, rhs, AT); |
| } else { |
| __ Selnez(out, lhs, AT); |
| __ Seleqz(AT, rhs, AT); |
| } |
| } else { |
| __ Slt(AT, lhs, rhs); |
| if (is_min) { |
| __ Seleqz(out, rhs, AT); |
| __ Selnez(AT, lhs, AT); |
| } else { |
| __ Selnez(out, rhs, AT); |
| __ Seleqz(AT, lhs, AT); |
| } |
| } |
| __ Or(out, out, AT); |
| } |
| } |
| |
| static void CreateIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| // int java.lang.Math.min(int, int) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMinIntInt(HInvoke* invoke) { |
| CreateIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMinIntInt(HInvoke* invoke) { |
| GenMinMax(invoke->GetLocations(), /* is_min */ true, GetAssembler()); |
| } |
| |
| // long java.lang.Math.min(long, long) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMinLongLong(HInvoke* invoke) { |
| CreateIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMinLongLong(HInvoke* invoke) { |
| GenMinMax(invoke->GetLocations(), /* is_min */ true, GetAssembler()); |
| } |
| |
| // int java.lang.Math.max(int, int) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMaxIntInt(HInvoke* invoke) { |
| CreateIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMaxIntInt(HInvoke* invoke) { |
| GenMinMax(invoke->GetLocations(), /* is_min */ false, GetAssembler()); |
| } |
| |
| // long java.lang.Math.max(long, long) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathMaxLongLong(HInvoke* invoke) { |
| CreateIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathMaxLongLong(HInvoke* invoke) { |
| GenMinMax(invoke->GetLocations(), /* is_min */ false, GetAssembler()); |
| } |
| |
| // double java.lang.Math.sqrt(double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathSqrt(HInvoke* invoke) { |
| CreateFPToFPLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathSqrt(HInvoke* invoke) { |
| LocationSummary* locations = invoke->GetLocations(); |
| Mips64Assembler* assembler = GetAssembler(); |
| FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| |
| __ SqrtD(out, in); |
| } |
| |
| static void CreateFPToFP(ArenaAllocator* arena, |
| HInvoke* invoke, |
| Location::OutputOverlap overlaps = Location::kOutputOverlap) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), overlaps); |
| } |
| |
| // double java.lang.Math.rint(double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathRint(HInvoke* invoke) { |
| CreateFPToFP(arena_, invoke, Location::kNoOutputOverlap); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathRint(HInvoke* invoke) { |
| LocationSummary* locations = invoke->GetLocations(); |
| Mips64Assembler* assembler = GetAssembler(); |
| FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| |
| __ RintD(out, in); |
| } |
| |
| // double java.lang.Math.floor(double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathFloor(HInvoke* invoke) { |
| CreateFPToFP(arena_, invoke); |
| } |
| |
| const constexpr uint16_t kFPLeaveUnchanged = kPositiveZero | |
| kPositiveInfinity | |
| kNegativeZero | |
| kNegativeInfinity | |
| kQuietNaN | |
| kSignalingNaN; |
| |
| enum FloatRoundingMode { |
| kFloor, |
| kCeil, |
| }; |
| |
| static void GenRoundingMode(LocationSummary* locations, |
| FloatRoundingMode mode, |
| Mips64Assembler* assembler) { |
| FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| |
| DCHECK_NE(in, out); |
| |
| Mips64Label done; |
| |
| // double floor/ceil(double in) { |
| // if in.isNaN || in.isInfinite || in.isZero { |
| // return in; |
| // } |
| __ ClassD(out, in); |
| __ Dmfc1(AT, out); |
| __ Andi(AT, AT, kFPLeaveUnchanged); // +0.0 | +Inf | -0.0 | -Inf | qNaN | sNaN |
| __ MovD(out, in); |
| __ Bnezc(AT, &done); |
| |
| // Long outLong = floor/ceil(in); |
| // if outLong == Long.MAX_VALUE { |
| // // floor()/ceil() has almost certainly returned a value |
| // // which can't be successfully represented as a signed |
| // // 64-bit number. Java expects that the input value will |
| // // be returned in these cases. |
| // // There is also a small probability that floor(in)/ceil(in) |
| // // correctly truncates/rounds up the input value to |
| // // Long.MAX_VALUE. In that case, this exception handling |
| // // code still does the correct thing. |
| // return in; |
| // } |
| if (mode == kFloor) { |
| __ FloorLD(out, in); |
| } else if (mode == kCeil) { |
| __ CeilLD(out, in); |
| } |
| __ Dmfc1(AT, out); |
| __ MovD(out, in); |
| __ LoadConst64(TMP, kPrimLongMax); |
| __ Beqc(AT, TMP, &done); |
| |
| // double out = outLong; |
| // return out; |
| __ Dmtc1(AT, out); |
| __ Cvtdl(out, out); |
| __ Bind(&done); |
| // } |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathFloor(HInvoke* invoke) { |
| GenRoundingMode(invoke->GetLocations(), kFloor, GetAssembler()); |
| } |
| |
| // double java.lang.Math.ceil(double) |
| void IntrinsicLocationsBuilderMIPS64::VisitMathCeil(HInvoke* invoke) { |
| CreateFPToFP(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMathCeil(HInvoke* invoke) { |
| GenRoundingMode(invoke->GetLocations(), kCeil, GetAssembler()); |
| } |
| |
| // byte libcore.io.Memory.peekByte(long address) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekByte(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekByte(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| |
| __ Lb(out, adr, 0); |
| } |
| |
| // short libcore.io.Memory.peekShort(long address) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekShortNative(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekShortNative(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| |
| __ Lh(out, adr, 0); |
| } |
| |
| // int libcore.io.Memory.peekInt(long address) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekIntNative(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekIntNative(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| |
| __ Lw(out, adr, 0); |
| } |
| |
| // long libcore.io.Memory.peekLong(long address) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekLongNative(HInvoke* invoke) { |
| CreateIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekLongNative(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| |
| __ Ld(out, adr, 0); |
| } |
| |
| static void CreateIntIntToVoidLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| } |
| |
| // void libcore.io.Memory.pokeByte(long address, byte value) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeByte(HInvoke* invoke) { |
| CreateIntIntToVoidLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeByte(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| |
| __ Sb(val, adr, 0); |
| } |
| |
| // void libcore.io.Memory.pokeShort(long address, short value) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeShortNative(HInvoke* invoke) { |
| CreateIntIntToVoidLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeShortNative(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| |
| __ Sh(val, adr, 0); |
| } |
| |
| // void libcore.io.Memory.pokeInt(long address, int value) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeIntNative(HInvoke* invoke) { |
| CreateIntIntToVoidLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeIntNative(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| |
| __ Sw(val, adr, 00); |
| } |
| |
| // void libcore.io.Memory.pokeLong(long address, long value) |
| void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeLongNative(HInvoke* invoke) { |
| CreateIntIntToVoidLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeLongNative(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| |
| __ Sd(val, adr, 0); |
| } |
| |
| // Thread java.lang.Thread.currentThread() |
| void IntrinsicLocationsBuilderMIPS64::VisitThreadCurrentThread(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetOut(Location::RequiresRegister()); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitThreadCurrentThread(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| |
| __ LoadFromOffset(kLoadUnsignedWord, |
| out, |
| TR, |
| Thread::PeerOffset<kMips64PointerSize>().Int32Value()); |
| } |
| |
| static void CreateIntIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetInAt(2, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| static void GenUnsafeGet(HInvoke* invoke, |
| Primitive::Type type, |
| bool is_volatile, |
| CodeGeneratorMIPS64* codegen) { |
| LocationSummary* locations = invoke->GetLocations(); |
| DCHECK((type == Primitive::kPrimInt) || |
| (type == Primitive::kPrimLong) || |
| (type == Primitive::kPrimNot)); |
| Mips64Assembler* assembler = codegen->GetAssembler(); |
| // Object pointer. |
| GpuRegister base = locations->InAt(1).AsRegister<GpuRegister>(); |
| // Long offset. |
| GpuRegister offset = locations->InAt(2).AsRegister<GpuRegister>(); |
| GpuRegister trg = locations->Out().AsRegister<GpuRegister>(); |
| |
| __ Daddu(TMP, base, offset); |
| if (is_volatile) { |
| __ Sync(0); |
| } |
| switch (type) { |
| case Primitive::kPrimInt: |
| __ Lw(trg, TMP, 0); |
| break; |
| |
| case Primitive::kPrimNot: |
| __ Lwu(trg, TMP, 0); |
| break; |
| |
| case Primitive::kPrimLong: |
| __ Ld(trg, TMP, 0); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unsupported op size " << type; |
| UNREACHABLE(); |
| } |
| } |
| |
| // int sun.misc.Unsafe.getInt(Object o, long offset) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGet(HInvoke* invoke) { |
| CreateIntIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGet(HInvoke* invoke) { |
| GenUnsafeGet(invoke, Primitive::kPrimInt, /* is_volatile */ false, codegen_); |
| } |
| |
| // int sun.misc.Unsafe.getIntVolatile(Object o, long offset) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetVolatile(HInvoke* invoke) { |
| CreateIntIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetVolatile(HInvoke* invoke) { |
| GenUnsafeGet(invoke, Primitive::kPrimInt, /* is_volatile */ true, codegen_); |
| } |
| |
| // long sun.misc.Unsafe.getLong(Object o, long offset) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetLong(HInvoke* invoke) { |
| CreateIntIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetLong(HInvoke* invoke) { |
| GenUnsafeGet(invoke, Primitive::kPrimLong, /* is_volatile */ false, codegen_); |
| } |
| |
| // long sun.misc.Unsafe.getLongVolatile(Object o, long offset) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetLongVolatile(HInvoke* invoke) { |
| CreateIntIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetLongVolatile(HInvoke* invoke) { |
| GenUnsafeGet(invoke, Primitive::kPrimLong, /* is_volatile */ true, codegen_); |
| } |
| |
| // Object sun.misc.Unsafe.getObject(Object o, long offset) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetObject(HInvoke* invoke) { |
| CreateIntIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetObject(HInvoke* invoke) { |
| GenUnsafeGet(invoke, Primitive::kPrimNot, /* is_volatile */ false, codegen_); |
| } |
| |
| // Object sun.misc.Unsafe.getObjectVolatile(Object o, long offset) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { |
| CreateIntIntIntToIntLocations(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { |
| GenUnsafeGet(invoke, Primitive::kPrimNot, /* is_volatile */ true, codegen_); |
| } |
| |
| static void CreateIntIntIntIntToVoid(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetInAt(2, Location::RequiresRegister()); |
| locations->SetInAt(3, Location::RequiresRegister()); |
| } |
| |
| static void GenUnsafePut(LocationSummary* locations, |
| Primitive::Type type, |
| bool is_volatile, |
| bool is_ordered, |
| CodeGeneratorMIPS64* codegen) { |
| DCHECK((type == Primitive::kPrimInt) || |
| (type == Primitive::kPrimLong) || |
| (type == Primitive::kPrimNot)); |
| Mips64Assembler* assembler = codegen->GetAssembler(); |
| // Object pointer. |
| GpuRegister base = locations->InAt(1).AsRegister<GpuRegister>(); |
| // Long offset. |
| GpuRegister offset = locations->InAt(2).AsRegister<GpuRegister>(); |
| GpuRegister value = locations->InAt(3).AsRegister<GpuRegister>(); |
| |
| __ Daddu(TMP, base, offset); |
| if (is_volatile || is_ordered) { |
| __ Sync(0); |
| } |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimNot: |
| __ Sw(value, TMP, 0); |
| break; |
| |
| case Primitive::kPrimLong: |
| __ Sd(value, TMP, 0); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unsupported op size " << type; |
| UNREACHABLE(); |
| } |
| if (is_volatile) { |
| __ Sync(0); |
| } |
| |
| if (type == Primitive::kPrimNot) { |
| bool value_can_be_null = true; // TODO: Worth finding out this information? |
| codegen->MarkGCCard(base, value, value_can_be_null); |
| } |
| } |
| |
| // void sun.misc.Unsafe.putInt(Object o, long offset, int x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePut(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePut(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimInt, |
| /* is_volatile */ false, |
| /* is_ordered */ false, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putOrderedInt(Object o, long offset, int x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutOrdered(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutOrdered(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimInt, |
| /* is_volatile */ false, |
| /* is_ordered */ true, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putIntVolatile(Object o, long offset, int x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutVolatile(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutVolatile(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimInt, |
| /* is_volatile */ true, |
| /* is_ordered */ false, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putObject(Object o, long offset, Object x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutObject(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutObject(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimNot, |
| /* is_volatile */ false, |
| /* is_ordered */ false, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putOrderedObject(Object o, long offset, Object x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutObjectOrdered(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutObjectOrdered(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimNot, |
| /* is_volatile */ false, |
| /* is_ordered */ true, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putObjectVolatile(Object o, long offset, Object x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutObjectVolatile(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutObjectVolatile(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimNot, |
| /* is_volatile */ true, |
| /* is_ordered */ false, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putLong(Object o, long offset, long x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutLong(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutLong(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimLong, |
| /* is_volatile */ false, |
| /* is_ordered */ false, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putOrderedLong(Object o, long offset, long x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutLongOrdered(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutLongOrdered(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimLong, |
| /* is_volatile */ false, |
| /* is_ordered */ true, |
| codegen_); |
| } |
| |
| // void sun.misc.Unsafe.putLongVolatile(Object o, long offset, long x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutLongVolatile(HInvoke* invoke) { |
| CreateIntIntIntIntToVoid(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutLongVolatile(HInvoke* invoke) { |
| GenUnsafePut(invoke->GetLocations(), |
| Primitive::kPrimLong, |
| /* is_volatile */ true, |
| /* is_ordered */ false, |
| codegen_); |
| } |
| |
| static void CreateIntIntIntIntIntToInt(ArenaAllocator* arena, HInvoke* invoke) { |
| LocationSummary* locations = new (arena) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetInAt(2, Location::RequiresRegister()); |
| locations->SetInAt(3, Location::RequiresRegister()); |
| locations->SetInAt(4, Location::RequiresRegister()); |
| |
| locations->SetOut(Location::RequiresRegister()); |
| } |
| |
| static void GenCas(LocationSummary* locations, Primitive::Type type, CodeGeneratorMIPS64* codegen) { |
| Mips64Assembler* assembler = codegen->GetAssembler(); |
| GpuRegister base = locations->InAt(1).AsRegister<GpuRegister>(); |
| GpuRegister offset = locations->InAt(2).AsRegister<GpuRegister>(); |
| GpuRegister expected = locations->InAt(3).AsRegister<GpuRegister>(); |
| GpuRegister value = locations->InAt(4).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| DCHECK_NE(base, out); |
| DCHECK_NE(offset, out); |
| DCHECK_NE(expected, out); |
| |
| if (type == Primitive::kPrimNot) { |
| // Mark card for object assuming new value is stored. |
| bool value_can_be_null = true; // TODO: Worth finding out this information? |
| codegen->MarkGCCard(base, value, value_can_be_null); |
| } |
| |
| // do { |
| // tmp_value = [tmp_ptr] - expected; |
| // } while (tmp_value == 0 && failure([tmp_ptr] <- r_new_value)); |
| // result = tmp_value != 0; |
| |
| Mips64Label loop_head, exit_loop; |
| __ Daddu(TMP, base, offset); |
| __ Sync(0); |
| __ Bind(&loop_head); |
| if (type == Primitive::kPrimLong) { |
| __ Lld(out, TMP); |
| } else { |
| // Note: We will need a read barrier here, when read barrier |
| // support is added to the MIPS64 back end. |
| __ Ll(out, TMP); |
| } |
| __ Dsubu(out, out, expected); // If we didn't get the 'expected' |
| __ Sltiu(out, out, 1); // value, set 'out' to false, and |
| __ Beqzc(out, &exit_loop); // return. |
| __ Move(out, value); // Use 'out' for the 'store conditional' instruction. |
| // If we use 'value' directly, we would lose 'value' |
| // in the case that the store fails. Whether the |
| // store succeeds, or fails, it will load the |
| // correct boolean value into the 'out' register. |
| if (type == Primitive::kPrimLong) { |
| __ Scd(out, TMP); |
| } else { |
| __ Sc(out, TMP); |
| } |
| __ Beqzc(out, &loop_head); // If we couldn't do the read-modify-write |
| // cycle atomically then retry. |
| __ Bind(&exit_loop); |
| __ Sync(0); |
| } |
| |
| // boolean sun.misc.Unsafe.compareAndSwapInt(Object o, long offset, int expected, int x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeCASInt(HInvoke* invoke) { |
| CreateIntIntIntIntIntToInt(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeCASInt(HInvoke* invoke) { |
| GenCas(invoke->GetLocations(), Primitive::kPrimInt, codegen_); |
| } |
| |
| // boolean sun.misc.Unsafe.compareAndSwapLong(Object o, long offset, long expected, long x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeCASLong(HInvoke* invoke) { |
| CreateIntIntIntIntIntToInt(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeCASLong(HInvoke* invoke) { |
| GenCas(invoke->GetLocations(), Primitive::kPrimLong, codegen_); |
| } |
| |
| // boolean sun.misc.Unsafe.compareAndSwapObject(Object o, long offset, Object expected, Object x) |
| void IntrinsicLocationsBuilderMIPS64::VisitUnsafeCASObject(HInvoke* invoke) { |
| CreateIntIntIntIntIntToInt(arena_, invoke); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitUnsafeCASObject(HInvoke* invoke) { |
| GenCas(invoke->GetLocations(), Primitive::kPrimNot, codegen_); |
| } |
| |
| // char java.lang.String.charAt(int index) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringCharAt(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCallOnSlowPath, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetOut(Location::SameAsFirstInput()); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringCharAt(HInvoke* invoke) { |
| LocationSummary* locations = invoke->GetLocations(); |
| Mips64Assembler* assembler = GetAssembler(); |
| |
| // Location of reference to data array |
| const int32_t value_offset = mirror::String::ValueOffset().Int32Value(); |
| // Location of count |
| const int32_t count_offset = mirror::String::CountOffset().Int32Value(); |
| |
| GpuRegister obj = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister idx = locations->InAt(1).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| // TODO: Maybe we can support range check elimination. Overall, |
| // though, I think it's not worth the cost. |
| // TODO: For simplicity, the index parameter is requested in a |
| // register, so different from Quick we will not optimize the |
| // code for constants (which would save a register). |
| |
| SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| codegen_->AddSlowPath(slow_path); |
| |
| // Load the string size |
| __ Lw(TMP, obj, count_offset); |
| codegen_->MaybeRecordImplicitNullCheck(invoke); |
| // Revert to slow path if idx is too large, or negative |
| __ Bgeuc(idx, TMP, slow_path->GetEntryLabel()); |
| |
| // out = obj[2*idx]. |
| __ Sll(TMP, idx, 1); // idx * 2 |
| __ Daddu(TMP, TMP, obj); // Address of char at location idx |
| __ Lhu(out, TMP, value_offset); // Load char at location idx |
| |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| // int java.lang.String.compareTo(String anotherString) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringCompareTo(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCall, |
| kIntrinsified); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringCompareTo(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| LocationSummary* locations = invoke->GetLocations(); |
| |
| // Note that the null check must have been done earlier. |
| DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); |
| |
| GpuRegister argument = locations->InAt(1).AsRegister<GpuRegister>(); |
| SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| codegen_->AddSlowPath(slow_path); |
| __ Beqzc(argument, slow_path->GetEntryLabel()); |
| |
| __ LoadFromOffset(kLoadDoubleword, |
| TMP, |
| TR, |
| QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, pStringCompareTo).Int32Value()); |
| __ Jalr(TMP); |
| __ Nop(); |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| // boolean java.lang.String.equals(Object anObject) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringEquals(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kNoCall, |
| kIntrinsified); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister()); |
| |
| // Temporary registers to store lengths of strings and for calculations. |
| locations->AddTemp(Location::RequiresRegister()); |
| locations->AddTemp(Location::RequiresRegister()); |
| locations->AddTemp(Location::RequiresRegister()); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringEquals(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| LocationSummary* locations = invoke->GetLocations(); |
| |
| GpuRegister str = locations->InAt(0).AsRegister<GpuRegister>(); |
| GpuRegister arg = locations->InAt(1).AsRegister<GpuRegister>(); |
| GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| |
| GpuRegister temp1 = locations->GetTemp(0).AsRegister<GpuRegister>(); |
| GpuRegister temp2 = locations->GetTemp(1).AsRegister<GpuRegister>(); |
| GpuRegister temp3 = locations->GetTemp(2).AsRegister<GpuRegister>(); |
| |
| Mips64Label loop; |
| Mips64Label end; |
| Mips64Label return_true; |
| Mips64Label return_false; |
| |
| // Get offsets of count, value, and class fields within a string object. |
| const int32_t count_offset = mirror::String::CountOffset().Int32Value(); |
| const int32_t value_offset = mirror::String::ValueOffset().Int32Value(); |
| const int32_t class_offset = mirror::Object::ClassOffset().Int32Value(); |
| |
| // Note that the null check must have been done earlier. |
| DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); |
| |
| // If the register containing the pointer to "this", and the register |
| // containing the pointer to "anObject" are the same register then |
| // "this", and "anObject" are the same object and we can |
| // short-circuit the logic to a true result. |
| if (str == arg) { |
| __ LoadConst64(out, 1); |
| return; |
| } |
| |
| // Check if input is null, return false if it is. |
| __ Beqzc(arg, &return_false); |
| |
| // Reference equality check, return true if same reference. |
| __ Beqc(str, arg, &return_true); |
| |
| // Instanceof check for the argument by comparing class fields. |
| // All string objects must have the same type since String cannot be subclassed. |
| // Receiver must be a string object, so its class field is equal to all strings' class fields. |
| // If the argument is a string object, its class field must be equal to receiver's class field. |
| __ Lw(temp1, str, class_offset); |
| __ Lw(temp2, arg, class_offset); |
| __ Bnec(temp1, temp2, &return_false); |
| |
| // Load lengths of this and argument strings. |
| __ Lw(temp1, str, count_offset); |
| __ Lw(temp2, arg, count_offset); |
| // Check if lengths are equal, return false if they're not. |
| __ Bnec(temp1, temp2, &return_false); |
| // Return true if both strings are empty. |
| __ Beqzc(temp1, &return_true); |
| |
| // Don't overwrite input registers |
| __ Move(TMP, str); |
| __ Move(temp3, arg); |
| |
| // Assertions that must hold in order to compare strings 4 characters at a time. |
| DCHECK_ALIGNED(value_offset, 8); |
| static_assert(IsAligned<8>(kObjectAlignment), "String of odd length is not zero padded"); |
| |
| // Loop to compare strings 4 characters at a time starting at the beginning of the string. |
| // Ok to do this because strings are zero-padded to be 8-byte aligned. |
| __ Bind(&loop); |
| __ Ld(out, TMP, value_offset); |
| __ Ld(temp2, temp3, value_offset); |
| __ Bnec(out, temp2, &return_false); |
| __ Daddiu(TMP, TMP, 8); |
| __ Daddiu(temp3, temp3, 8); |
| __ Addiu(temp1, temp1, -4); |
| __ Bgtzc(temp1, &loop); |
| |
| // Return true and exit the function. |
| // If loop does not result in returning false, we return true. |
| __ Bind(&return_true); |
| __ LoadConst64(out, 1); |
| __ Bc(&end); |
| |
| // Return false and exit the function. |
| __ Bind(&return_false); |
| __ LoadConst64(out, 0); |
| __ Bind(&end); |
| } |
| |
| static void GenerateStringIndexOf(HInvoke* invoke, |
| Mips64Assembler* assembler, |
| CodeGeneratorMIPS64* codegen, |
| ArenaAllocator* allocator, |
| bool start_at_zero) { |
| LocationSummary* locations = invoke->GetLocations(); |
| GpuRegister tmp_reg = start_at_zero ? locations->GetTemp(0).AsRegister<GpuRegister>() : TMP; |
| |
| // Note that the null check must have been done earlier. |
| DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); |
| |
| // Check for code points > 0xFFFF. Either a slow-path check when we |
| // don't know statically, or directly dispatch if we have a constant. |
| SlowPathCodeMIPS64* slow_path = nullptr; |
| if (invoke->InputAt(1)->IsIntConstant()) { |
| if (!IsUint<16>(invoke->InputAt(1)->AsIntConstant()->GetValue())) { |
| // Always needs the slow-path. We could directly dispatch to it, |
| // but this case should be rare, so for simplicity just put the |
| // full slow-path down and branch unconditionally. |
| slow_path = new (allocator) IntrinsicSlowPathMIPS64(invoke); |
| codegen->AddSlowPath(slow_path); |
| __ Bc(slow_path->GetEntryLabel()); |
| __ Bind(slow_path->GetExitLabel()); |
| return; |
| } |
| } else { |
| GpuRegister char_reg = locations->InAt(1).AsRegister<GpuRegister>(); |
| __ LoadConst32(tmp_reg, std::numeric_limits<uint16_t>::max()); |
| slow_path = new (allocator) IntrinsicSlowPathMIPS64(invoke); |
| codegen->AddSlowPath(slow_path); |
| __ Bltuc(tmp_reg, char_reg, slow_path->GetEntryLabel()); // UTF-16 required |
| } |
| |
| if (start_at_zero) { |
| DCHECK_EQ(tmp_reg, A2); |
| // Start-index = 0. |
| __ Clear(tmp_reg); |
| } else { |
| __ Slt(TMP, A2, ZERO); // if fromIndex < 0 |
| __ Seleqz(A2, A2, TMP); // fromIndex = 0 |
| } |
| |
| __ LoadFromOffset(kLoadDoubleword, |
| TMP, |
| TR, |
| QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, pIndexOf).Int32Value()); |
| __ Jalr(TMP); |
| __ Nop(); |
| |
| if (slow_path != nullptr) { |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| } |
| |
| // int java.lang.String.indexOf(int ch) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringIndexOf(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCall, |
| kIntrinsified); |
| // We have a hand-crafted assembly stub that follows the runtime |
| // calling convention. So it's best to align the inputs accordingly. |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| |
| // Need a temp for slow-path codepoint compare, and need to send start-index=0. |
| locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringIndexOf(HInvoke* invoke) { |
| GenerateStringIndexOf(invoke, GetAssembler(), codegen_, GetAllocator(), /* start_at_zero */ true); |
| } |
| |
| // int java.lang.String.indexOf(int ch, int fromIndex) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringIndexOfAfter(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCall, |
| kIntrinsified); |
| // We have a hand-crafted assembly stub that follows the runtime |
| // calling convention. So it's best to align the inputs accordingly. |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringIndexOfAfter(HInvoke* invoke) { |
| GenerateStringIndexOf( |
| invoke, GetAssembler(), codegen_, GetAllocator(), /* start_at_zero */ false); |
| } |
| |
| // java.lang.String.String(byte[] bytes) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringNewStringFromBytes(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCall, |
| kIntrinsified); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| locations->SetInAt(3, Location::RegisterLocation(calling_convention.GetRegisterAt(3))); |
| Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringNewStringFromBytes(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| LocationSummary* locations = invoke->GetLocations(); |
| |
| GpuRegister byte_array = locations->InAt(0).AsRegister<GpuRegister>(); |
| SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| codegen_->AddSlowPath(slow_path); |
| __ Beqzc(byte_array, slow_path->GetEntryLabel()); |
| |
| __ LoadFromOffset(kLoadDoubleword, |
| TMP, |
| TR, |
| QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, |
| pAllocStringFromBytes).Int32Value()); |
| codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| __ Jalr(TMP); |
| __ Nop(); |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| // java.lang.String.String(char[] value) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringNewStringFromChars(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCall, |
| kIntrinsified); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringNewStringFromChars(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| |
| __ LoadFromOffset(kLoadDoubleword, |
| TMP, |
| TR, |
| QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, |
| pAllocStringFromChars).Int32Value()); |
| codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| __ Jalr(TMP); |
| __ Nop(); |
| } |
| |
| // java.lang.String.String(String original) |
| void IntrinsicLocationsBuilderMIPS64::VisitStringNewStringFromString(HInvoke* invoke) { |
| LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| LocationSummary::kCall, |
| kIntrinsified); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| } |
| |
| void IntrinsicCodeGeneratorMIPS64::VisitStringNewStringFromString(HInvoke* invoke) { |
| Mips64Assembler* assembler = GetAssembler(); |
| LocationSummary* locations = invoke->GetLocations(); |
| |
| GpuRegister string_to_copy = locations->InAt(0).AsRegister<GpuRegister>(); |
| SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| codegen_->AddSlowPath(slow_path); |
| __ Beqzc(string_to_copy, slow_path->GetEntryLabel()); |
| |
| __ LoadFromOffset(kLoadDoubleword, |
| TMP, |
| TR, |
| QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, |
| pAllocStringFromString).Int32Value()); |
| codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| __ Jalr(TMP); |
| __ Nop(); |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| // Unimplemented intrinsics. |
| |
| #define UNIMPLEMENTED_INTRINSIC(Name) \ |
| void IntrinsicLocationsBuilderMIPS64::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ |
| } \ |
| void IntrinsicCodeGeneratorMIPS64::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ |
| } |
| |
| UNIMPLEMENTED_INTRINSIC(IntegerBitCount) |
| UNIMPLEMENTED_INTRINSIC(LongBitCount) |
| |
| UNIMPLEMENTED_INTRINSIC(MathRoundDouble) |
| UNIMPLEMENTED_INTRINSIC(MathRoundFloat) |
| |
| UNIMPLEMENTED_INTRINSIC(ReferenceGetReferent) |
| UNIMPLEMENTED_INTRINSIC(StringGetCharsNoCheck) |
| UNIMPLEMENTED_INTRINSIC(SystemArrayCopyChar) |
| UNIMPLEMENTED_INTRINSIC(SystemArrayCopy) |
| |
| UNIMPLEMENTED_INTRINSIC(MathCos) |
| UNIMPLEMENTED_INTRINSIC(MathSin) |
| UNIMPLEMENTED_INTRINSIC(MathAcos) |
| UNIMPLEMENTED_INTRINSIC(MathAsin) |
| UNIMPLEMENTED_INTRINSIC(MathAtan) |
| UNIMPLEMENTED_INTRINSIC(MathAtan2) |
| UNIMPLEMENTED_INTRINSIC(MathCbrt) |
| UNIMPLEMENTED_INTRINSIC(MathCosh) |
| UNIMPLEMENTED_INTRINSIC(MathExp) |
| UNIMPLEMENTED_INTRINSIC(MathExpm1) |
| UNIMPLEMENTED_INTRINSIC(MathHypot) |
| UNIMPLEMENTED_INTRINSIC(MathLog) |
| UNIMPLEMENTED_INTRINSIC(MathLog10) |
| UNIMPLEMENTED_INTRINSIC(MathNextAfter) |
| UNIMPLEMENTED_INTRINSIC(MathSinh) |
| UNIMPLEMENTED_INTRINSIC(MathTan) |
| UNIMPLEMENTED_INTRINSIC(MathTanh) |
| |
| UNIMPLEMENTED_INTRINSIC(FloatIsInfinite) |
| UNIMPLEMENTED_INTRINSIC(DoubleIsInfinite) |
| |
| UNIMPLEMENTED_INTRINSIC(IntegerHighestOneBit) |
| UNIMPLEMENTED_INTRINSIC(LongHighestOneBit) |
| UNIMPLEMENTED_INTRINSIC(IntegerLowestOneBit) |
| UNIMPLEMENTED_INTRINSIC(LongLowestOneBit) |
| |
| // Handled as HIR instructions. |
| UNIMPLEMENTED_INTRINSIC(FloatIsNaN) |
| UNIMPLEMENTED_INTRINSIC(DoubleIsNaN) |
| UNIMPLEMENTED_INTRINSIC(IntegerCompare) |
| UNIMPLEMENTED_INTRINSIC(LongCompare) |
| UNIMPLEMENTED_INTRINSIC(IntegerSignum) |
| UNIMPLEMENTED_INTRINSIC(LongSignum) |
| |
| #undef UNIMPLEMENTED_INTRINSIC |
| |
| #undef __ |
| |
| } // namespace mips64 |
| } // namespace art |