intrinsics_arm.cc revision 289cd55808111d23c92f2739a096942a8049649a
12bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe/* 22bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * Copyright (C) 2015 The Android Open Source Project 32bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * 42bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * Licensed under the Apache License, Version 2.0 (the "License"); 52bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * you may not use this file except in compliance with the License. 62bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * You may obtain a copy of the License at 72bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * 82bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * http://www.apache.org/licenses/LICENSE-2.0 92bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * 102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * Unless required by applicable law or agreed to in writing, software 112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * distributed under the License is distributed on an "AS IS" BASIS, 122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * See the License for the specific language governing permissions and 142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe * limitations under the License. 152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe */ 162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "intrinsics_arm.h" 182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "arch/arm/instruction_set_features_arm.h" 20e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier#include "art_method.h" 212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "code_generator_arm.h" 222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "entrypoints/quick/quick_entrypoints.h" 232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "intrinsics.h" 242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "mirror/array-inl.h" 252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "mirror/string.h" 262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "thread.h" 272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "utils/arm/assembler_arm.h" 282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampenamespace art { 302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampenamespace arm { 322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeArmAssembler* IntrinsicCodeGeneratorARM::GetAssembler() { 342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe return codegen_->GetAssembler(); 352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeArenaAllocator* IntrinsicCodeGeneratorARM::GetAllocator() { 382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe return codegen_->GetGraph()->GetArena(); 392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#define __ codegen->GetAssembler()-> 422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MoveFromReturnRegister(Location trg, Primitive::Type type, CodeGeneratorARM* codegen) { 442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (!trg.IsValid()) { 452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK(type == Primitive::kPrimVoid); 462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe return; 472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(type, Primitive::kPrimVoid); 502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 51848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao if (Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) { 522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_reg_lo = trg.AsRegisterPairLow<Register>(); 542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_reg_hi = trg.AsRegisterPairHigh<Register>(); 552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register res_reg_lo = R0; 562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register res_reg_hi = R1; 572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (trg_reg_lo != res_reg_hi) { 582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (trg_reg_lo != res_reg_lo) { 592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(trg_reg_lo, ShifterOperand(res_reg_lo)); 602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(trg_reg_hi, ShifterOperand(res_reg_hi)); 612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_EQ(trg_reg_lo + 1, trg_reg_hi); 632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(trg_reg_hi, ShifterOperand(res_reg_hi)); 662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(trg_reg_lo, ShifterOperand(res_reg_lo)); 672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_reg = trg.AsRegister<Register>(); 702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register res_reg = R0; 712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (trg_reg != res_reg) { 722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(trg_reg, ShifterOperand(res_reg)); 732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe UNIMPLEMENTED(FATAL) << "Floating-point return."; 772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 80ec525fc30848189051b888da53ba051bc0878b78Roland Levillainstatic void MoveArguments(HInvoke* invoke, CodeGeneratorARM* codegen) { 812d27c8e338af7262dbd4aaa66127bb8fa1758b86Roland Levillain InvokeDexCallingConventionVisitorARM calling_convention_visitor; 82ec525fc30848189051b888da53ba051bc0878b78Roland Levillain IntrinsicVisitor::MoveArguments(invoke, codegen, &calling_convention_visitor); 832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Slow-path for fallback (calling the managed code to handle the intrinsic) in an intrinsified 862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// call. This will copy the arguments into the positions for a regular call. 872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// 882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Note: The actual parameters are required to be in the locations given by the invoke's location 892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// summary. If an intrinsic modifies those locations before a slowpath call, they must be 902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// restored! 912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampeclass IntrinsicSlowPathARM : public SlowPathCodeARM { 922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe public: 932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe explicit IntrinsicSlowPathARM(HInvoke* invoke) : invoke_(invoke) { } 942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe void EmitNativeCode(CodeGenerator* codegen_in) OVERRIDE { 962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen = down_cast<CodeGeneratorARM*>(codegen_in); 972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(GetEntryLabel()); 982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 99a8ac9130b872c080299afacf5dcaab513d13ea87Nicolas Geoffray SaveLiveRegisters(codegen, invoke_->GetLocations()); 1002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 101ec525fc30848189051b888da53ba051bc0878b78Roland Levillain MoveArguments(invoke_, codegen); 1022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (invoke_->IsInvokeStaticOrDirect()) { 10494015b939060f5041d408d48717f22443e55b6adNicolas Geoffray codegen->GenerateStaticOrDirectCall(invoke_->AsInvokeStaticOrDirect(), 10594015b939060f5041d408d48717f22443e55b6adNicolas Geoffray Location::RegisterLocation(kArtMethodRegister)); 106a8ac9130b872c080299afacf5dcaab513d13ea87Nicolas Geoffray RecordPcInfo(codegen, invoke_, invoke_->GetDexPc()); 1072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 1082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe UNIMPLEMENTED(FATAL) << "Non-direct intrinsic slow-path not yet implemented"; 1092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe UNREACHABLE(); 1102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Copy the result back to the expected output. 1132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location out = invoke_->GetLocations()->Out(); 1142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (out.IsValid()) { 1152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK(out.IsRegister()); // TODO: Replace this when we support output in memory. 1162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK(!invoke_->GetLocations()->GetLiveRegisters()->ContainsCoreRegister(out.reg())); 1172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveFromReturnRegister(out, invoke_->GetType(), codegen); 1182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 120a8ac9130b872c080299afacf5dcaab513d13ea87Nicolas Geoffray RestoreLiveRegisters(codegen, invoke_->GetLocations()); 1212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(GetExitLabel()); 1222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1249931f319cf86c56c2855d800339a3410697633a6Alexandre Rames const char* GetDescription() const OVERRIDE { return "IntrinsicSlowPathARM"; } 1259931f319cf86c56c2855d800339a3410697633a6Alexandre Rames 1262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe private: 1272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // The instruction where this slow path is happening. 1282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* const invoke_; 1292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DISALLOW_COPY_AND_ASSIGN(IntrinsicSlowPathARM); 1312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe}; 1322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#undef __ 1342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampebool IntrinsicLocationsBuilderARM::TryDispatch(HInvoke* invoke) { 1362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Dispatch(invoke); 1372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* res = invoke->GetLocations(); 1382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe return res != nullptr && res->Intrinsified(); 1392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#define __ assembler-> 1422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateFPToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 1442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 1452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 1462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 1472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresFpuRegister()); 1482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister()); 1492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { 1522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 1532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 1542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 1552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 1562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresFpuRegister()); 1572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MoveFPToInt(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 1602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location input = locations->InAt(0); 1612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 1622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 1632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovrrd(output.AsRegisterPairLow<Register>(), 1642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe output.AsRegisterPairHigh<Register>(), 1652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(input.AsFpuRegisterPairLow<SRegister>())); 1662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 1672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovrs(output.AsRegister<Register>(), input.AsFpuRegister<SRegister>()); 1682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MoveIntToFP(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 1722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location input = locations->InAt(0); 1732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 1742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 1752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovdrr(FromLowSToD(output.AsFpuRegisterPairLow<SRegister>()), 1762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe input.AsRegisterPairLow<Register>(), 1772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe input.AsRegisterPairHigh<Register>()); 1782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 1792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovsr(output.AsFpuRegister<SRegister>(), input.AsRegister<Register>()); 1802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { 1842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToIntLocations(arena_, invoke); 1852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitDoubleLongBitsToDouble(HInvoke* invoke) { 1872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToFPLocations(arena_, invoke); 1882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { 1912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveFPToInt(invoke->GetLocations(), true, GetAssembler()); 1922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitDoubleLongBitsToDouble(HInvoke* invoke) { 1942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveIntToFP(invoke->GetLocations(), true, GetAssembler()); 1952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitFloatFloatToRawIntBits(HInvoke* invoke) { 1982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToIntLocations(arena_, invoke); 1992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitFloatIntBitsToFloat(HInvoke* invoke) { 2012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToFPLocations(arena_, invoke); 2022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitFloatFloatToRawIntBits(HInvoke* invoke) { 2052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveFPToInt(invoke->GetLocations(), false, GetAssembler()); 2062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitFloatIntBitsToFloat(HInvoke* invoke) { 2082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveIntToFP(invoke->GetLocations(), false, GetAssembler()); 2092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 2122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 2132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 2142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 2152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 2162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 2172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { 2202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 2212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 2222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 2232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresFpuRegister()); 2242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); 2252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 227611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakelingstatic void GenNumberOfLeadingZeros(LocationSummary* locations, 228611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling Primitive::Type type, 229611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling ArmAssembler* assembler) { 230611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling Location in = locations->InAt(0); 231611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling Register out = locations->Out().AsRegister<Register>(); 232611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 233611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling DCHECK((type == Primitive::kPrimInt) || (type == Primitive::kPrimLong)); 234611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 235611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling if (type == Primitive::kPrimLong) { 236611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling Register in_reg_lo = in.AsRegisterPairLow<Register>(); 237611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling Register in_reg_hi = in.AsRegisterPairHigh<Register>(); 238611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling Label end; 239611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling __ clz(out, in_reg_hi); 240611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling __ CompareAndBranchIfNonZero(in_reg_hi, &end); 241611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling __ clz(out, in_reg_lo); 242611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling __ AddConstant(out, 32); 243611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling __ Bind(&end); 244611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling } else { 245611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling __ clz(out, in.AsRegister<Register>()); 246611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling } 247611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling} 248611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 249611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitIntegerNumberOfLeadingZeros(HInvoke* invoke) { 250611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling CreateIntToIntLocations(arena_, invoke); 251611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling} 252611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 253611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitIntegerNumberOfLeadingZeros(HInvoke* invoke) { 254611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling GenNumberOfLeadingZeros(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); 255611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling} 256611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 257611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitLongNumberOfLeadingZeros(HInvoke* invoke) { 258611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 259611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling LocationSummary::kNoCall, 260611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling kIntrinsified); 261611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 262611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 263611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling} 264611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 265611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitLongNumberOfLeadingZeros(HInvoke* invoke) { 266611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling GenNumberOfLeadingZeros(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); 267611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling} 268611d3395e9efc0ab8dbfa4a197fa022fbd8c7204Scott Wakeling 2692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MathAbsFP(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 2702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location in = locations->InAt(0); 2712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location out = locations->Out(); 2722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 2742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vabsd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()), 2752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(in.AsFpuRegisterPairLow<SRegister>())); 2762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 2772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vabss(out.AsFpuRegister<SRegister>(), in.AsFpuRegister<SRegister>()); 2782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 2792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsDouble(HInvoke* invoke) { 2822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 2832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsDouble(HInvoke* invoke) { 2862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MathAbsFP(invoke->GetLocations(), true, GetAssembler()); 2872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsFloat(HInvoke* invoke) { 2902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 2912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsFloat(HInvoke* invoke) { 2942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MathAbsFP(invoke->GetLocations(), false, GetAssembler()); 2952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToIntPlusTemp(ArenaAllocator* arena, HInvoke* invoke) { 2982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 2992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 3002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 3012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 3022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 3032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 3052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenAbsInteger(LocationSummary* locations, 3082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is64bit, 3092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler) { 3102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location in = locations->InAt(0); 3112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 3122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register mask = locations->GetTemp(0).AsRegister<Register>(); 3142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 3162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg_lo = in.AsRegisterPairLow<Register>(); 3172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg_hi = in.AsRegisterPairHigh<Register>(); 3182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg_lo = output.AsRegisterPairLow<Register>(); 3192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg_hi = output.AsRegisterPairHigh<Register>(); 3202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(out_reg_lo, in_reg_hi) << "Diagonal overlap unexpected."; 3222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Asr(mask, in_reg_hi, 31); 3242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ adds(out_reg_lo, in_reg_lo, ShifterOperand(mask)); 3252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ adc(out_reg_hi, in_reg_hi, ShifterOperand(mask)); 3262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg_lo, mask, ShifterOperand(out_reg_lo)); 3272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg_hi, mask, ShifterOperand(out_reg_hi)); 3282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 3292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg = in.AsRegister<Register>(); 3302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg = output.AsRegister<Register>(); 3312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Asr(mask, in_reg, 31); 3332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(out_reg, in_reg, ShifterOperand(mask)); 3342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg, mask, ShifterOperand(out_reg)); 3352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 3362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsInt(HInvoke* invoke) { 3392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntPlusTemp(arena_, invoke); 3402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsInt(HInvoke* invoke) { 3432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenAbsInteger(invoke->GetLocations(), false, GetAssembler()); 3442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsLong(HInvoke* invoke) { 3482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntPlusTemp(arena_, invoke); 3492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsLong(HInvoke* invoke) { 3522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenAbsInteger(invoke->GetLocations(), true, GetAssembler()); 3532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenMinMax(LocationSummary* locations, 3562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_min, 3572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler) { 3582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register op1 = locations->InAt(0).AsRegister<Register>(); 3592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register op2 = locations->InAt(1).AsRegister<Register>(); 3602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); 3612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(op1, ShifterOperand(op2)); 3632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it((is_min) ? Condition::LT : Condition::GT, kItElse); 3652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(op1), is_min ? Condition::LT : Condition::GT); 3662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(op2), is_min ? Condition::GE : Condition::LE); 3672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 3702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 3712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 3722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 3732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 3742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 3752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 3762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathMinIntInt(HInvoke* invoke) { 3792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToIntLocations(arena_, invoke); 3802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathMinIntInt(HInvoke* invoke) { 3832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenMinMax(invoke->GetLocations(), true, GetAssembler()); 3842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathMaxIntInt(HInvoke* invoke) { 3872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToIntLocations(arena_, invoke); 3882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathMaxIntInt(HInvoke* invoke) { 3912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenMinMax(invoke->GetLocations(), false, GetAssembler()); 3922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathSqrt(HInvoke* invoke) { 3952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 3962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathSqrt(HInvoke* invoke) { 3992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 4002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vsqrtd(FromLowSToD(locations->Out().AsFpuRegisterPairLow<SRegister>()), 4022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(locations->InAt(0).AsFpuRegisterPairLow<SRegister>())); 4032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekByte(HInvoke* invoke) { 4062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 4072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekByte(HInvoke* invoke) { 4102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrsb(invoke->GetLocations()->Out().AsRegister<Register>(), 4132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekIntNative(HInvoke* invoke) { 4172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 4182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekIntNative(HInvoke* invoke) { 4212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(invoke->GetLocations()->Out().AsRegister<Register>(), 4242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekLongNative(HInvoke* invoke) { 4282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 4292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekLongNative(HInvoke* invoke) { 4322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register addr = invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>(); 4352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Worst case: Control register bit SCTLR.A = 0. Then unaligned accesses throw a processor 4362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // exception. So we can't use ldrd as addr may be unaligned. 4372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register lo = invoke->GetLocations()->Out().AsRegisterPairLow<Register>(); 4382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register hi = invoke->GetLocations()->Out().AsRegisterPairHigh<Register>(); 4392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (addr == lo) { 4402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(hi, Address(addr, 4)); 4412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(lo, Address(addr, 0)); 4422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 4432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(lo, Address(addr, 0)); 4442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(hi, Address(addr, 4)); 4452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 4462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekShortNative(HInvoke* invoke) { 4492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 4502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekShortNative(HInvoke* invoke) { 4532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrsh(invoke->GetLocations()->Out().AsRegister<Register>(), 4562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntToVoidLocations(ArenaAllocator* arena, HInvoke* invoke) { 4602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 4612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 4622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 4632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 4642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 4652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeByte(HInvoke* invoke) { 4682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeByte(HInvoke* invoke) { 4722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strb(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 4742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeIntNative(HInvoke* invoke) { 4782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeIntNative(HInvoke* invoke) { 4822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 4842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeLongNative(HInvoke* invoke) { 4882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeLongNative(HInvoke* invoke) { 4922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register addr = invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>(); 4952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Worst case: Control register bit SCTLR.A = 0. Then unaligned accesses throw a processor 4962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // exception. So we can't use ldrd as addr may be unaligned. 4972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegisterPairLow<Register>(), Address(addr, 0)); 4982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegisterPairHigh<Register>(), Address(addr, 4)); 4992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeShortNative(HInvoke* invoke) { 5022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 5032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeShortNative(HInvoke* invoke) { 5062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 5072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strh(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 5082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 5092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitThreadCurrentThread(HInvoke* invoke) { 5122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 5132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 5142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 5152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister()); 5162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitThreadCurrentThread(HInvoke* invoke) { 5192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 5202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ LoadFromOffset(kLoadWord, 5212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe invoke->GetLocations()->Out().AsRegister<Register>(), 5222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe TR, 5232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Thread::PeerOffset<kArmPointerSize>().Int32Value()); 5242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenUnsafeGet(HInvoke* invoke, 5272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 5282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 5292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen) { 5302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 5312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK((type == Primitive::kPrimInt) || 5322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe (type == Primitive::kPrimLong) || 5332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe (type == Primitive::kPrimNot)); 5342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 5352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 5362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Long offset, lo part only. 5372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 5392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_lo = locations->Out().AsRegisterPairLow<Register>(); 5402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 5412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !codegen->GetInstructionSetFeatures().HasAtomicLdrdAndStrd()) { 5422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_hi = locations->Out().AsRegisterPairHigh<Register>(); 5432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrexd(trg_lo, trg_hi, IP); 5442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 5452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrd(trg_lo, Address(IP)); 5462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 5482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg = locations->Out().AsRegister<Register>(); 5492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(trg, Address(base, offset)); 5502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile) { 5532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 5542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5554d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 5564d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (type == Primitive::kPrimNot) { 5574d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain Register trg = locations->Out().AsRegister<Register>(); 5584d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ MaybeUnpoisonHeapReference(trg); 5594d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 5602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 5632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 5642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 5652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 5662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 5672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 5682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 5692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 5702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGet(HInvoke* invoke) { 5732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetVolatile(HInvoke* invoke) { 5762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetLong(HInvoke* invoke) { 5792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetLongVolatile(HInvoke* invoke) { 5822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetObject(HInvoke* invoke) { 5852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { 5882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGet(HInvoke* invoke) { 5922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimInt, false, codegen_); 5932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetVolatile(HInvoke* invoke) { 5952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimInt, true, codegen_); 5962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetLong(HInvoke* invoke) { 5982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimLong, false, codegen_); 5992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetLongVolatile(HInvoke* invoke) { 6012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimLong, true, codegen_); 6022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetObject(HInvoke* invoke) { 6042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimNot, false, codegen_); 6052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { 6072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimNot, true, codegen_); 6082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntIntToVoid(ArenaAllocator* arena, 6112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const ArmInstructionSetFeatures& features, 6122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 6132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 6142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* invoke) { 6152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 6162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 6172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 6182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 6192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 6202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 6212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(3, Location::RequiresRegister()); 6222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 6242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Potentially need temps for ldrexd-strexd loop. 6252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !features.HasAtomicLdrdAndStrd()) { 6262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp_lo. 6272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp_hi. 6282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else if (type == Primitive::kPrimNot) { 6302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Temps for card-marking. 6312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp. 6322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Card. 6332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePut(HInvoke* invoke) { 6372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, false, invoke); 6382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutOrdered(HInvoke* invoke) { 6402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, false, invoke); 6412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutVolatile(HInvoke* invoke) { 6432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, true, invoke); 6442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObject(HInvoke* invoke) { 6462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, false, invoke); 6472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObjectOrdered(HInvoke* invoke) { 6492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, false, invoke); 6502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObjectVolatile(HInvoke* invoke) { 6522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, true, invoke); 6532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLong(HInvoke* invoke) { 6552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, false, invoke); 6562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLongOrdered(HInvoke* invoke) { 6582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, false, invoke); 6592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLongVolatile(HInvoke* invoke) { 6612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, true, invoke); 6622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenUnsafePut(LocationSummary* locations, 6652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 6662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 6672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_ordered, 6682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen) { 6692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 6702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 6722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Long offset, lo part only. 6732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value; 6742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile || is_ordered) { 6762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 6772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 6802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_lo = locations->InAt(3).AsRegisterPairLow<Register>(); 6812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe value = value_lo; 6822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !codegen->GetInstructionSetFeatures().HasAtomicLdrdAndStrd()) { 6832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp_lo = locations->GetTemp(0).AsRegister<Register>(); 6842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp_hi = locations->GetTemp(1).AsRegister<Register>(); 6852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_hi = locations->InAt(3).AsRegisterPairHigh<Register>(); 6862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 6882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Label loop_head; 6892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(&loop_head); 6902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrexd(temp_lo, temp_hi, IP); 6912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strexd(temp_lo, value_lo, value_hi, IP); 6922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(temp_lo, ShifterOperand(0)); 6932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(&loop_head, NE); 6942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 6952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 6962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strd(value_lo, Address(IP)); 6972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 6994d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain value = locations->InAt(3).AsRegister<Register>(); 7004d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain Register source = value; 7014d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (kPoisonHeapReferences && type == Primitive::kPrimNot) { 7024d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain Register temp = locations->GetTemp(0).AsRegister<Register>(); 7034d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ Mov(temp, value); 7044d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ PoisonHeapReference(temp); 7054d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain source = temp; 7064d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 7074d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ str(source, Address(base, offset)); 7082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile) { 7112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 7122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimNot) { 7152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp = locations->GetTemp(0).AsRegister<Register>(); 7162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register card = locations->GetTemp(1).AsRegister<Register>(); 71707276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray bool value_can_be_null = true; // TODO: Worth finding out this information? 71807276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray codegen->MarkGCCard(temp, card, base, value, value_can_be_null); 7192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePut(HInvoke* invoke) { 7232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, false, codegen_); 7242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutOrdered(HInvoke* invoke) { 7262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, true, codegen_); 7272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutVolatile(HInvoke* invoke) { 7292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, true, false, codegen_); 7302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObject(HInvoke* invoke) { 7322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, false, codegen_); 7332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObjectOrdered(HInvoke* invoke) { 7352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, true, codegen_); 7362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObjectVolatile(HInvoke* invoke) { 7382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, true, false, codegen_); 7392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLong(HInvoke* invoke) { 7412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, false, codegen_); 7422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLongOrdered(HInvoke* invoke) { 7442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, true, codegen_); 7452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLongVolatile(HInvoke* invoke) { 7472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, true, false, codegen_); 7482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntIntIntToIntPlusTemps(ArenaAllocator* arena, 7512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* invoke) { 7522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 7532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 7542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 7552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 7562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 7572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 7582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(3, Location::RequiresRegister()); 7592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(4, Location::RequiresRegister()); 7602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 7622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Pointer. 7642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp 1. 7652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp 2. 7662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenCas(LocationSummary* locations, Primitive::Type type, CodeGeneratorARM* codegen) { 7692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(type, Primitive::kPrimLong); 7702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 7722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); // Boolean result. 7742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 7762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Offset (discard high 4B). 7772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register expected_lo = locations->InAt(3).AsRegister<Register>(); // Expected. 7782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_lo = locations->InAt(4).AsRegister<Register>(); // Value. 7792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register tmp_ptr = locations->GetTemp(0).AsRegister<Register>(); // Pointer to actual memory. 7812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register tmp_lo = locations->GetTemp(1).AsRegister<Register>(); // Value in memory. 7822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimNot) { 7842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Mark card for object assuming new value is stored. Worst case we will mark an unchanged 7852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // object and scan the receiver at the next GC for nothing. 78607276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray bool value_can_be_null = true; // TODO: Worth finding out this information? 78707276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray codegen->MarkGCCard(tmp_ptr, tmp_lo, base, value_lo, value_can_be_null); 7882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Prevent reordering with prior memory operations. 7912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 7922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(tmp_ptr, base, ShifterOperand(offset)); 7942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7954d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (kPoisonHeapReferences && type == Primitive::kPrimNot) { 7964d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->PoisonHeapReference(expected_lo); 7974d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->PoisonHeapReference(value_lo); 7984d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 7994d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 8002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // do { 8012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // tmp = [r_ptr] - expected; 8022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // } while (tmp == 0 && failure([r_ptr] <- r_new_value)); 8032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // result = tmp != 0; 8042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Label loop_head; 8062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(&loop_head); 8072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrex(tmp_lo, tmp_ptr); 8092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ subs(tmp_lo, tmp_lo, ShifterOperand(expected_lo)); 8112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it(EQ, ItState::kItT); 8132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strex(tmp_lo, value_lo, tmp_ptr, EQ); 8142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(tmp_lo, ShifterOperand(1), EQ); 8152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(&loop_head, EQ); 8172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 8192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ rsbs(out, tmp_lo, ShifterOperand(1)); 8212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it(CC); 8222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(0), CC); 8234d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 8244d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (kPoisonHeapReferences && type == Primitive::kPrimNot) { 8254d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->UnpoisonHeapReference(value_lo); 8264d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->UnpoisonHeapReference(expected_lo); 8274d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 8282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 830ca71458862be8505330b7fd5649a062f31d143dcAndreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeCASInt(HInvoke* invoke) { 8312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntIntToIntPlusTemps(arena_, invoke); 8322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 833ca71458862be8505330b7fd5649a062f31d143dcAndreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeCASObject(HInvoke* invoke) { 8342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntIntToIntPlusTemps(arena_, invoke); 8352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeCASInt(HInvoke* invoke) { 8372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenCas(invoke->GetLocations(), Primitive::kPrimInt, codegen_); 8382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeCASObject(HInvoke* invoke) { 8402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenCas(invoke->GetLocations(), Primitive::kPrimNot, codegen_); 8412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringCharAt(HInvoke* invoke) { 8442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 8452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kCallOnSlowPath, 8462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 8472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 8482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 8492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 8502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 8522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 8532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringCharAt(HInvoke* invoke) { 8562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 8572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 8582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Location of reference to data array 8602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset value_offset = mirror::String::ValueOffset(); 8612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Location of count 8622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset count_offset = mirror::String::CountOffset(); 8632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register obj = locations->InAt(0).AsRegister<Register>(); // String object pointer. 8652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register idx = locations->InAt(1).AsRegister<Register>(); // Index of character. 8662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); // Result character. 8672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp = locations->GetTemp(0).AsRegister<Register>(); 8692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register array_temp = locations->GetTemp(1).AsRegister<Register>(); 8702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // TODO: Maybe we can support range check elimination. Overall, though, I think it's not worth 8722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // the cost. 8732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // TODO: For simplicity, the index parameter is requested in a register, so different from Quick 8742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // we will not optimize the code for constants (which would save a register). 8752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 8772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen_->AddSlowPath(slow_path); 8782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(temp, Address(obj, count_offset.Int32Value())); // temp = str.length. 8802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen_->MaybeRecordImplicitNullCheck(invoke); 8812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(idx, ShifterOperand(temp)); 8822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(slow_path->GetEntryLabel(), CS); 8832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 884848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ add(array_temp, obj, ShifterOperand(value_offset.Int32Value())); // array_temp := str.value. 8852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Load the value. 887848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ ldrh(out, Address(array_temp, idx, LSL, 1)); // out := array_temp[idx]. 8882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(slow_path->GetExitLabel()); 8902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 892d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffrayvoid IntrinsicLocationsBuilderARM::VisitStringCompareTo(HInvoke* invoke) { 893d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray // The inputs plus one temp. 894d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary* locations = new (arena_) LocationSummary(invoke, 895d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary::kCall, 896d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray kIntrinsified); 897d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray InvokeRuntimeCallingConvention calling_convention; 898d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 899d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 900d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetOut(Location::RegisterLocation(R0)); 901d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray} 902d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 903d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffrayvoid IntrinsicCodeGeneratorARM::VisitStringCompareTo(HInvoke* invoke) { 904d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray ArmAssembler* assembler = GetAssembler(); 905d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary* locations = invoke->GetLocations(); 906d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 907512e04d1ea7fb33e3992715fe55be8a834d4a79cNicolas Geoffray // Note that the null check must have been done earlier. 908641547a5f18ca2ea54469cceadcfef64f132e5e0Calin Juravle DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); 909d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 910d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray Register argument = locations->InAt(1).AsRegister<Register>(); 911d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ cmp(argument, ShifterOperand(0)); 912d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 913d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray codegen_->AddSlowPath(slow_path); 914d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ b(slow_path->GetEntryLabel(), EQ); 915d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 916d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ LoadFromOffset( 917d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pStringCompareTo).Int32Value()); 918d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ blx(LR); 919d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ Bind(slow_path->GetExitLabel()); 920d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray} 921d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 922289cd55808111d23c92f2739a096942a8049649aAgi Csakivoid IntrinsicLocationsBuilderARM::VisitStringEquals(HInvoke* invoke) { 923289cd55808111d23c92f2739a096942a8049649aAgi Csaki LocationSummary* locations = new (arena_) LocationSummary(invoke, 924289cd55808111d23c92f2739a096942a8049649aAgi Csaki LocationSummary::kNoCall, 925289cd55808111d23c92f2739a096942a8049649aAgi Csaki kIntrinsified); 926289cd55808111d23c92f2739a096942a8049649aAgi Csaki InvokeRuntimeCallingConvention calling_convention; 927289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->SetInAt(0, Location::RequiresRegister()); 928289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->SetInAt(1, Location::RequiresRegister()); 929289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Temporary registers to store lengths of strings and for calculations. 930289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Using instruction cbz requires a low register, so explicitly set a temp to be R0. 931289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->AddTemp(Location::RegisterLocation(R0)); 932289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->AddTemp(Location::RequiresRegister()); 933289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->AddTemp(Location::RequiresRegister()); 934289cd55808111d23c92f2739a096942a8049649aAgi Csaki 935289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->SetOut(Location::RequiresRegister()); 936289cd55808111d23c92f2739a096942a8049649aAgi Csaki} 937289cd55808111d23c92f2739a096942a8049649aAgi Csaki 938289cd55808111d23c92f2739a096942a8049649aAgi Csakivoid IntrinsicCodeGeneratorARM::VisitStringEquals(HInvoke* invoke) { 939289cd55808111d23c92f2739a096942a8049649aAgi Csaki ArmAssembler* assembler = GetAssembler(); 940289cd55808111d23c92f2739a096942a8049649aAgi Csaki LocationSummary* locations = invoke->GetLocations(); 941289cd55808111d23c92f2739a096942a8049649aAgi Csaki 942289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register str = locations->InAt(0).AsRegister<Register>(); 943289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register arg = locations->InAt(1).AsRegister<Register>(); 944289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register out = locations->Out().AsRegister<Register>(); 945289cd55808111d23c92f2739a096942a8049649aAgi Csaki 946289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register temp = locations->GetTemp(0).AsRegister<Register>(); 947289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register temp1 = locations->GetTemp(1).AsRegister<Register>(); 948289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register temp2 = locations->GetTemp(2).AsRegister<Register>(); 949289cd55808111d23c92f2739a096942a8049649aAgi Csaki 950289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label loop; 951289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label end; 952289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label return_true; 953289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label return_false; 954289cd55808111d23c92f2739a096942a8049649aAgi Csaki 955289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Get offsets of count, value, and class fields within a string object. 956289cd55808111d23c92f2739a096942a8049649aAgi Csaki const uint32_t count_offset = mirror::String::CountOffset().Uint32Value(); 957289cd55808111d23c92f2739a096942a8049649aAgi Csaki const uint32_t value_offset = mirror::String::ValueOffset().Uint32Value(); 958289cd55808111d23c92f2739a096942a8049649aAgi Csaki const uint32_t class_offset = mirror::Object::ClassOffset().Uint32Value(); 959289cd55808111d23c92f2739a096942a8049649aAgi Csaki 960289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Note that the null check must have been done earlier. 961289cd55808111d23c92f2739a096942a8049649aAgi Csaki DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); 962289cd55808111d23c92f2739a096942a8049649aAgi Csaki 963289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Check if input is null, return false if it is. 964289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ CompareAndBranchIfZero(arg, &return_false); 965289cd55808111d23c92f2739a096942a8049649aAgi Csaki 966289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Instanceof check for the argument by comparing class fields. 967289cd55808111d23c92f2739a096942a8049649aAgi Csaki // All string objects must have the same type since String cannot be subclassed. 968289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Receiver must be a string object, so its class field is equal to all strings' class fields. 969289cd55808111d23c92f2739a096942a8049649aAgi Csaki // If the argument is a string object, its class field must be equal to receiver's class field. 970289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp, Address(str, class_offset)); 971289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp1, Address(arg, class_offset)); 972289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(temp, ShifterOperand(temp1)); 973289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_false, NE); 974289cd55808111d23c92f2739a096942a8049649aAgi Csaki 975289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Load lengths of this and argument strings. 976289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp, Address(str, count_offset)); 977289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp1, Address(arg, count_offset)); 978289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Check if lengths are equal, return false if they're not. 979289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(temp, ShifterOperand(temp1)); 980289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_false, NE); 981289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Return true if both strings are empty. 982289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cbz(temp, &return_true); 983289cd55808111d23c92f2739a096942a8049649aAgi Csaki 984289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Reference equality check, return true if same reference. 985289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(str, ShifterOperand(arg)); 986289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_true, EQ); 987289cd55808111d23c92f2739a096942a8049649aAgi Csaki 988289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Assertions that must hold in order to compare strings 2 characters at a time. 989289cd55808111d23c92f2739a096942a8049649aAgi Csaki DCHECK_ALIGNED(value_offset, 4); 990289cd55808111d23c92f2739a096942a8049649aAgi Csaki static_assert(IsAligned<4>(kObjectAlignment), "String of odd length is not zero padded"); 991289cd55808111d23c92f2739a096942a8049649aAgi Csaki 992289cd55808111d23c92f2739a096942a8049649aAgi Csaki // temp cannot overflow because we cannot allocate a String object with size 4GiB or greater. 993289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ add(temp, temp, ShifterOperand(temp)); 994289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ LoadImmediate(temp1, value_offset); 995289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ add(temp, temp, ShifterOperand(value_offset)); 996289cd55808111d23c92f2739a096942a8049649aAgi Csaki 997289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Loop to compare strings 2 characters at a time starting at the front of the string. 998289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Ok to do this because strings with an odd length are zero-padded. 999289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&loop); 1000289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(out, Address(str, temp1)); 1001289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp2, Address(arg, temp1)); 1002289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(out, ShifterOperand(temp2)); 1003289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_false, NE); 1004289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ add(temp1, temp1, ShifterOperand(sizeof(uint32_t))); 1005289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(temp1, ShifterOperand(temp)); 1006289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&loop, LO); 1007289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1008289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Return true and exit the function. 1009289cd55808111d23c92f2739a096942a8049649aAgi Csaki // If loop does not result in returning false, we return true. 1010289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&return_true); 1011289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ LoadImmediate(out, 1); 1012289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&end); 1013289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1014289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Return false and exit the function. 1015289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&return_false); 1016289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ LoadImmediate(out, 0); 1017289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&end); 1018289cd55808111d23c92f2739a096942a8049649aAgi Csaki} 1019289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1020ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampestatic void GenerateVisitStringIndexOf(HInvoke* invoke, 1021ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe ArmAssembler* assembler, 1022ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe CodeGeneratorARM* codegen, 1023ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe ArenaAllocator* allocator, 1024ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe bool start_at_zero) { 1025ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 1026ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe Register tmp_reg = locations->GetTemp(0).AsRegister<Register>(); 1027ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1028ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Note that the null check must have been done earlier. 1029ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); 1030ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1031ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Check for code points > 0xFFFF. Either a slow-path check when we don't know statically, 1032ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // or directly dispatch if we have a constant. 1033ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe SlowPathCodeARM* slow_path = nullptr; 1034ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (invoke->InputAt(1)->IsIntConstant()) { 1035ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (static_cast<uint32_t>(invoke->InputAt(1)->AsIntConstant()->GetValue()) > 1036ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe std::numeric_limits<uint16_t>::max()) { 1037ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Always needs the slow-path. We could directly dispatch to it, but this case should be 1038ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // rare, so for simplicity just put the full slow-path down and branch unconditionally. 1039ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe slow_path = new (allocator) IntrinsicSlowPathARM(invoke); 1040ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe codegen->AddSlowPath(slow_path); 1041ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ b(slow_path->GetEntryLabel()); 1042ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ Bind(slow_path->GetExitLabel()); 1043ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe return; 1044ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1045ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } else { 1046ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe Register char_reg = locations->InAt(1).AsRegister<Register>(); 1047ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ LoadImmediate(tmp_reg, std::numeric_limits<uint16_t>::max()); 1048ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ cmp(char_reg, ShifterOperand(tmp_reg)); 1049ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe slow_path = new (allocator) IntrinsicSlowPathARM(invoke); 1050ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe codegen->AddSlowPath(slow_path); 1051ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ b(slow_path->GetEntryLabel(), HI); 1052ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1053ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1054ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (start_at_zero) { 1055ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe DCHECK_EQ(tmp_reg, R2); 1056ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Start-index = 0. 1057ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ LoadImmediate(tmp_reg, 0); 1058ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1059ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1060ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ LoadFromOffset(kLoadWord, LR, TR, 1061ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pIndexOf).Int32Value()); 1062ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ blx(LR); 1063ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1064ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (slow_path != nullptr) { 1065ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ Bind(slow_path->GetExitLabel()); 1066ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1067ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1068ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1069ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringIndexOf(HInvoke* invoke) { 1070ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 1071ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary::kCall, 1072ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe kIntrinsified); 1073ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // We have a hand-crafted assembly stub that follows the runtime calling convention. So it's 1074ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // best to align the inputs accordingly. 1075ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe InvokeRuntimeCallingConvention calling_convention; 1076ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1077ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1078ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetOut(Location::RegisterLocation(R0)); 1079ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1080ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Need a temp for slow-path codepoint compare, and need to send start-index=0. 1081ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1082ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1083ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1084ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringIndexOf(HInvoke* invoke) { 1085ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe GenerateVisitStringIndexOf(invoke, GetAssembler(), codegen_, GetAllocator(), true); 1086ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1087ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1088ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringIndexOfAfter(HInvoke* invoke) { 1089ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 1090ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary::kCall, 1091ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe kIntrinsified); 1092ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // We have a hand-crafted assembly stub that follows the runtime calling convention. So it's 1093ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // best to align the inputs accordingly. 1094ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe InvokeRuntimeCallingConvention calling_convention; 1095ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1096ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1097ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1098ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetOut(Location::RegisterLocation(R0)); 1099ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1100ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Need a temp for slow-path codepoint compare. 1101ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 1102ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1103ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1104ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringIndexOfAfter(HInvoke* invoke) { 1105ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe GenerateVisitStringIndexOf(invoke, GetAssembler(), codegen_, GetAllocator(), false); 1106ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1107ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1108848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicLocationsBuilderARM::VisitStringNewStringFromBytes(HInvoke* invoke) { 1109848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = new (arena_) LocationSummary(invoke, 1110848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary::kCall, 1111848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kIntrinsified); 1112848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao InvokeRuntimeCallingConvention calling_convention; 1113848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1114848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1115848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1116848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(3, Location::RegisterLocation(calling_convention.GetRegisterAt(3))); 1117848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetOut(Location::RegisterLocation(R0)); 1118848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1119848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1120848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicCodeGeneratorARM::VisitStringNewStringFromBytes(HInvoke* invoke) { 1121848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao ArmAssembler* assembler = GetAssembler(); 1122848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = invoke->GetLocations(); 1123848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1124848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao Register byte_array = locations->InAt(0).AsRegister<Register>(); 1125848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ cmp(byte_array, ShifterOperand(0)); 1126848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 1127848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->AddSlowPath(slow_path); 1128848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ b(slow_path->GetEntryLabel(), EQ); 1129848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1130848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ LoadFromOffset( 1131848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pAllocStringFromBytes).Int32Value()); 1132848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); 1133848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ blx(LR); 1134848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ Bind(slow_path->GetExitLabel()); 1135848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1136848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1137848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicLocationsBuilderARM::VisitStringNewStringFromChars(HInvoke* invoke) { 1138848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = new (arena_) LocationSummary(invoke, 1139848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary::kCall, 1140848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kIntrinsified); 1141848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao InvokeRuntimeCallingConvention calling_convention; 1142848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1143848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1144848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1145848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetOut(Location::RegisterLocation(R0)); 1146848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1147848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1148848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicCodeGeneratorARM::VisitStringNewStringFromChars(HInvoke* invoke) { 1149848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao ArmAssembler* assembler = GetAssembler(); 1150848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1151848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ LoadFromOffset( 1152848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pAllocStringFromChars).Int32Value()); 1153848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); 1154848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ blx(LR); 1155848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1156848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1157848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicLocationsBuilderARM::VisitStringNewStringFromString(HInvoke* invoke) { 1158848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = new (arena_) LocationSummary(invoke, 1159848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary::kCall, 1160848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kIntrinsified); 1161848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao InvokeRuntimeCallingConvention calling_convention; 1162848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1163848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetOut(Location::RegisterLocation(R0)); 1164848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1165848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1166848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicCodeGeneratorARM::VisitStringNewStringFromString(HInvoke* invoke) { 1167848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao ArmAssembler* assembler = GetAssembler(); 1168848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = invoke->GetLocations(); 1169848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1170848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao Register string_to_copy = locations->InAt(0).AsRegister<Register>(); 1171848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ cmp(string_to_copy, ShifterOperand(0)); 1172848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 1173848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->AddSlowPath(slow_path); 1174848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ b(slow_path->GetEntryLabel(), EQ); 1175848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1176848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ LoadFromOffset(kLoadWord, 1177848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pAllocStringFromString).Int32Value()); 1178848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); 1179848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ blx(LR); 1180848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ Bind(slow_path->GetExitLabel()); 1181848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1182848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 11832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Unimplemented intrinsics. 11842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 11852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#define UNIMPLEMENTED_INTRINSIC(Name) \ 11862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ 11872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} \ 11882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ 11892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 11902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 11912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(IntegerReverse) 11922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(IntegerReverseBytes) 11932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(LongReverse) 11942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(LongReverseBytes) 11952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(ShortReverseBytes) 11962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinDoubleDouble) 11972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinFloatFloat) 11982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxDoubleDouble) 11992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxFloatFloat) 12002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinLongLong) 12012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxLongLong) 12022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathCeil) // Could be done by changing rounding mode, maybe? 12032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathFloor) // Could be done by changing rounding mode, maybe? 12042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRint) 12052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRoundDouble) // Could be done by changing rounding mode, maybe? 12062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRoundFloat) // Could be done by changing rounding mode, maybe? 12072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(UnsafeCASLong) // High register pressure. 12082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(SystemArrayCopyChar) 12092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(ReferenceGetReferent) 1210848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff HaoUNIMPLEMENTED_INTRINSIC(StringGetCharsNoCheck) 12112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 12124d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain#undef UNIMPLEMENTED_INTRINSIC 12134d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 12144d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain#undef __ 12154d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 12162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} // namespace arm 12172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} // namespace art 1218