intrinsics_arm.cc revision 9ee23f4273efed8d6378f6ad8e63c65e30a17139
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)); 1064ab02352db4051d590b793f34d166a0b5c633c4aSerban Constantinescu codegen->RecordPcInfo(invoke_, invoke_->GetDexPc(), this); 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 2699ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingstatic void GenNumberOfTrailingZeros(LocationSummary* locations, 2709ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Primitive::Type type, 2719ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling ArmAssembler* assembler) { 2729ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling DCHECK((type == Primitive::kPrimInt) || (type == Primitive::kPrimLong)); 2739ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 2749ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register out = locations->Out().AsRegister<Register>(); 2759ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 2769ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (type == Primitive::kPrimLong) { 2779ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register in_reg_lo = locations->InAt(0).AsRegisterPairLow<Register>(); 2789ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register in_reg_hi = locations->InAt(0).AsRegisterPairHigh<Register>(); 2799ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Label end; 2809ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ rbit(out, in_reg_lo); 2819ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ clz(out, out); 2829ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ CompareAndBranchIfNonZero(in_reg_lo, &end); 2839ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ rbit(out, in_reg_hi); 2849ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ clz(out, out); 2859ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ AddConstant(out, 32); 2869ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Bind(&end); 2879ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 2889ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register in = locations->InAt(0).AsRegister<Register>(); 2899ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ rbit(out, in); 2909ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ clz(out, out); 2919ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 2929ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 2939ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 2949ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitIntegerNumberOfTrailingZeros(HInvoke* invoke) { 2959ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 2969ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary::kNoCall, 2979ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling kIntrinsified); 2989ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 2999ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 3009ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 3019ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3029ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitIntegerNumberOfTrailingZeros(HInvoke* invoke) { 3039ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling GenNumberOfTrailingZeros(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); 3049ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 3059ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3069ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitLongNumberOfTrailingZeros(HInvoke* invoke) { 3079ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 3089ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary::kNoCall, 3099ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling kIntrinsified); 3109ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 3119ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 3129ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 3139ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3149ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitLongNumberOfTrailingZeros(HInvoke* invoke) { 3159ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling GenNumberOfTrailingZeros(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); 3169ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 3179ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3189ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingstatic void GenIntegerRotate(LocationSummary* locations, 3199ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling ArmAssembler* assembler, 3209ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling bool is_left) { 3219ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register in = locations->InAt(0).AsRegister<Register>(); 3229ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Location rhs = locations->InAt(1); 3239ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register out = locations->Out().AsRegister<Register>(); 3249ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3259ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (rhs.IsConstant()) { 3269ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // Arm32 and Thumb2 assemblers require a rotation on the interval [1,31], 3279ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // so map all rotations to a +ve. equivalent in that range. 3289ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // (e.g. left *or* right by -2 bits == 30 bits in the same direction.) 3299ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling uint32_t rot = rhs.GetConstant()->AsIntConstant()->GetValue() & 0x1F; 3309ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (rot) { 3319ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // Rotate, mapping left rotations to right equivalents if necessary. 3329ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // (e.g. left by 2 bits == right by 30.) 3339ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Ror(out, in, is_left ? (0x20 - rot) : rot); 3349ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else if (out != in) { 3359ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Mov(out, in); 3369ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 3379ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 3389ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (is_left) { 3399ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ rsb(out, rhs.AsRegister<Register>(), ShifterOperand(0)); 3409ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Ror(out, in, out); 3419ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 3429ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Ror(out, in, rhs.AsRegister<Register>()); 3439ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 3449ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 3459ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 3469ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3479ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling// Gain some speed by mapping all Long rotates onto equivalent pairs of Integer 3489ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling// rotates by swapping input regs (effectively rotating by the first 32-bits of 3499ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling// a larger rotation) or flipping direction (thus treating larger right/left 3509ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling// rotations as sub-word sized rotations in the other direction) as appropriate. 3519ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingstatic void GenLongRotate(LocationSummary* locations, 3529ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling ArmAssembler* assembler, 3539ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling bool is_left) { 3549ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register in_reg_lo = locations->InAt(0).AsRegisterPairLow<Register>(); 3559ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register in_reg_hi = locations->InAt(0).AsRegisterPairHigh<Register>(); 3569ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Location rhs = locations->InAt(1); 3579ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register out_reg_lo = locations->Out().AsRegisterPairLow<Register>(); 3589ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register out_reg_hi = locations->Out().AsRegisterPairHigh<Register>(); 3599ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3609ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (rhs.IsConstant()) { 3619ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling uint32_t rot = rhs.GetConstant()->AsIntConstant()->GetValue(); 3629ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // Map all left rotations to right equivalents. 3639ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (is_left) { 3649ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling rot = 0x40 - rot; 3659ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 3669ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // Map all rotations to +ve. equivalents on the interval [0,63]. 3679ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling rot &= 0x3F; 3689ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // For rotates over a word in size, 'pre-rotate' by 32-bits to keep rotate 3699ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // logic below to a simple pair of binary orr. 3709ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // (e.g. 34 bits == in_reg swap + 2 bits right.) 3719ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (rot >= 0x20) { 3729ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling rot -= 0x20; 3739ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling std::swap(in_reg_hi, in_reg_lo); 3749ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 3759ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // Rotate, or mov to out for zero or word size rotations. 3769ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (rot) { 3779ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsr(out_reg_hi, in_reg_hi, rot); 3789ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ orr(out_reg_hi, out_reg_hi, ShifterOperand(in_reg_lo, arm::LSL, 0x20 - rot)); 3799ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsr(out_reg_lo, in_reg_lo, rot); 3809ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ orr(out_reg_lo, out_reg_lo, ShifterOperand(in_reg_hi, arm::LSL, 0x20 - rot)); 3819ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 3829ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Mov(out_reg_lo, in_reg_lo); 3839ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Mov(out_reg_hi, in_reg_hi); 3849ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 3859ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 3869ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register shift_left = locations->GetTemp(0).AsRegister<Register>(); 3879ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Register shift_right = locations->GetTemp(1).AsRegister<Register>(); 3889ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Label end; 3899ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling Label right; 3909ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3919ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ and_(shift_left, rhs.AsRegister<Register>(), ShifterOperand(0x1F)); 3929ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsrs(shift_right, rhs.AsRegister<Register>(), 6); 3939ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ rsb(shift_right, shift_left, ShifterOperand(0x20), AL, kCcKeep); 3949ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 3959ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (is_left) { 3969ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ b(&right, CS); 3979ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 3989ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ b(&right, CC); 3999ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling std::swap(shift_left, shift_right); 4009ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 4019ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4029ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // out_reg_hi = (reg_hi << shift_left) | (reg_lo >> shift_right). 4039ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // out_reg_lo = (reg_lo << shift_left) | (reg_hi >> shift_right). 4049ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsl(out_reg_hi, in_reg_hi, shift_left); 4059ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsr(out_reg_lo, in_reg_lo, shift_right); 4069ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ add(out_reg_hi, out_reg_hi, ShifterOperand(out_reg_lo)); 4079ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsl(out_reg_lo, in_reg_lo, shift_left); 4089ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsr(shift_left, in_reg_hi, shift_right); 4099ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ add(out_reg_lo, out_reg_lo, ShifterOperand(shift_left)); 4109ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ b(&end); 4119ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4129ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // out_reg_hi = (reg_hi >> shift_right) | (reg_lo << shift_left). 4139ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling // out_reg_lo = (reg_lo >> shift_right) | (reg_hi << shift_left). 4149ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Bind(&right); 4159ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsr(out_reg_hi, in_reg_hi, shift_right); 4169ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsl(out_reg_lo, in_reg_lo, shift_left); 4179ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ add(out_reg_hi, out_reg_hi, ShifterOperand(out_reg_lo)); 4189ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsr(out_reg_lo, in_reg_lo, shift_right); 4199ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Lsl(shift_right, in_reg_hi, shift_left); 4209ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ add(out_reg_lo, out_reg_lo, ShifterOperand(shift_right)); 4219ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4229ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling __ Bind(&end); 4239ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 4249ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4259ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4269ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitIntegerRotateRight(HInvoke* invoke) { 4279ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 4289ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary::kNoCall, 4299ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling kIntrinsified); 4309ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 4319ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(1, Location::RegisterOrConstant(invoke->InputAt(1))); 4329ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 4339ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4349ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4359ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitIntegerRotateRight(HInvoke* invoke) { 4369ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling GenIntegerRotate(invoke->GetLocations(), GetAssembler(), false /* is_left */); 4379ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4389ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4399ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitLongRotateRight(HInvoke* invoke) { 4409ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 4419ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary::kNoCall, 4429ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling kIntrinsified); 4439ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 4449ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (invoke->InputAt(1)->IsConstant()) { 4459ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(1, Location::ConstantLocation(invoke->InputAt(1)->AsConstant())); 4469ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 4479ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(1, Location::RequiresRegister()); 4489ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->AddTemp(Location::RequiresRegister()); 4499ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->AddTemp(Location::RequiresRegister()); 4509ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 4519ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 4529ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4539ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4549ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitLongRotateRight(HInvoke* invoke) { 4559ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling GenLongRotate(invoke->GetLocations(), GetAssembler(), false /* is_left */); 4569ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4579ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4589ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitIntegerRotateLeft(HInvoke* invoke) { 4599ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 4609ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary::kNoCall, 4619ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling kIntrinsified); 4629ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 4639ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(1, Location::RegisterOrConstant(invoke->InputAt(1))); 4649ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 4659ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4669ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4679ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitIntegerRotateLeft(HInvoke* invoke) { 4689ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling GenIntegerRotate(invoke->GetLocations(), GetAssembler(), true /* is_left */); 4699ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4709ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4719ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicLocationsBuilderARM::VisitLongRotateLeft(HInvoke* invoke) { 4729ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary* locations = new (arena_) LocationSummary(invoke, 4739ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling LocationSummary::kNoCall, 4749ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling kIntrinsified); 4759ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(0, Location::RequiresRegister()); 4769ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling if (invoke->InputAt(1)->IsConstant()) { 4779ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(1, Location::ConstantLocation(invoke->InputAt(1)->AsConstant())); 4789ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } else { 4799ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetInAt(1, Location::RequiresRegister()); 4809ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->AddTemp(Location::RequiresRegister()); 4819ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->AddTemp(Location::RequiresRegister()); 4829ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling } 4839ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 4849ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4859ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4869ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakelingvoid IntrinsicCodeGeneratorARM::VisitLongRotateLeft(HInvoke* invoke) { 4879ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling GenLongRotate(invoke->GetLocations(), GetAssembler(), true /* is_left */); 4889ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling} 4899ee23f4273efed8d6378f6ad8e63c65e30a17139Scott Wakeling 4902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MathAbsFP(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 4912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location in = locations->InAt(0); 4922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location out = locations->Out(); 4932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 4952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vabsd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()), 4962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(in.AsFpuRegisterPairLow<SRegister>())); 4972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 4982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vabss(out.AsFpuRegister<SRegister>(), in.AsFpuRegister<SRegister>()); 4992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsDouble(HInvoke* invoke) { 5032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 5042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsDouble(HInvoke* invoke) { 5072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MathAbsFP(invoke->GetLocations(), true, GetAssembler()); 5082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsFloat(HInvoke* invoke) { 5112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 5122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsFloat(HInvoke* invoke) { 5152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MathAbsFP(invoke->GetLocations(), false, GetAssembler()); 5162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToIntPlusTemp(ArenaAllocator* arena, HInvoke* invoke) { 5192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 5202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 5212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 5222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 5232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 5242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 5262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenAbsInteger(LocationSummary* locations, 5292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is64bit, 5302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler) { 5312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location in = locations->InAt(0); 5322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 5332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register mask = locations->GetTemp(0).AsRegister<Register>(); 5352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 5372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg_lo = in.AsRegisterPairLow<Register>(); 5382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg_hi = in.AsRegisterPairHigh<Register>(); 5392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg_lo = output.AsRegisterPairLow<Register>(); 5402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg_hi = output.AsRegisterPairHigh<Register>(); 5412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(out_reg_lo, in_reg_hi) << "Diagonal overlap unexpected."; 5432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Asr(mask, in_reg_hi, 31); 5452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ adds(out_reg_lo, in_reg_lo, ShifterOperand(mask)); 5462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ adc(out_reg_hi, in_reg_hi, ShifterOperand(mask)); 5472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg_lo, mask, ShifterOperand(out_reg_lo)); 5482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg_hi, mask, ShifterOperand(out_reg_hi)); 5492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 5502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg = in.AsRegister<Register>(); 5512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg = output.AsRegister<Register>(); 5522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Asr(mask, in_reg, 31); 5542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(out_reg, in_reg, ShifterOperand(mask)); 5552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg, mask, ShifterOperand(out_reg)); 5562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsInt(HInvoke* invoke) { 5602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntPlusTemp(arena_, invoke); 5612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsInt(HInvoke* invoke) { 5642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenAbsInteger(invoke->GetLocations(), false, GetAssembler()); 5652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsLong(HInvoke* invoke) { 5692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntPlusTemp(arena_, invoke); 5702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsLong(HInvoke* invoke) { 5732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenAbsInteger(invoke->GetLocations(), true, GetAssembler()); 5742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenMinMax(LocationSummary* locations, 5772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_min, 5782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler) { 5792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register op1 = locations->InAt(0).AsRegister<Register>(); 5802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register op2 = locations->InAt(1).AsRegister<Register>(); 5812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); 5822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(op1, ShifterOperand(op2)); 5842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it((is_min) ? Condition::LT : Condition::GT, kItElse); 5862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(op1), is_min ? Condition::LT : Condition::GT); 5872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(op2), is_min ? Condition::GE : Condition::LE); 5882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 5912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 5922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 5932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 5942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 5952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 5962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 5972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathMinIntInt(HInvoke* invoke) { 6002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToIntLocations(arena_, invoke); 6012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathMinIntInt(HInvoke* invoke) { 6042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenMinMax(invoke->GetLocations(), true, GetAssembler()); 6052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathMaxIntInt(HInvoke* invoke) { 6082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToIntLocations(arena_, invoke); 6092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathMaxIntInt(HInvoke* invoke) { 6122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenMinMax(invoke->GetLocations(), false, GetAssembler()); 6132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathSqrt(HInvoke* invoke) { 6162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 6172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathSqrt(HInvoke* invoke) { 6202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 6212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 6222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vsqrtd(FromLowSToD(locations->Out().AsFpuRegisterPairLow<SRegister>()), 6232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(locations->InAt(0).AsFpuRegisterPairLow<SRegister>())); 6242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekByte(HInvoke* invoke) { 6272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 6282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekByte(HInvoke* invoke) { 6312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 6322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 6332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrsb(invoke->GetLocations()->Out().AsRegister<Register>(), 6342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 6352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekIntNative(HInvoke* invoke) { 6382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 6392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekIntNative(HInvoke* invoke) { 6422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 6432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 6442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(invoke->GetLocations()->Out().AsRegister<Register>(), 6452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 6462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekLongNative(HInvoke* invoke) { 6492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 6502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekLongNative(HInvoke* invoke) { 6532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 6542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 6552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register addr = invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>(); 6562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Worst case: Control register bit SCTLR.A = 0. Then unaligned accesses throw a processor 6572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // exception. So we can't use ldrd as addr may be unaligned. 6582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register lo = invoke->GetLocations()->Out().AsRegisterPairLow<Register>(); 6592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register hi = invoke->GetLocations()->Out().AsRegisterPairHigh<Register>(); 6602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (addr == lo) { 6612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(hi, Address(addr, 4)); 6622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(lo, Address(addr, 0)); 6632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 6642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(lo, Address(addr, 0)); 6652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(hi, Address(addr, 4)); 6662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekShortNative(HInvoke* invoke) { 6702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 6712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekShortNative(HInvoke* invoke) { 6742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 6752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 6762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrsh(invoke->GetLocations()->Out().AsRegister<Register>(), 6772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 6782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntToVoidLocations(ArenaAllocator* arena, HInvoke* invoke) { 6812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 6822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 6832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 6842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 6852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 6862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeByte(HInvoke* invoke) { 6892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 6902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeByte(HInvoke* invoke) { 6932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 6942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strb(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 6952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 6962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeIntNative(HInvoke* invoke) { 6992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 7002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeIntNative(HInvoke* invoke) { 7032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 7042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 7052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 7062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeLongNative(HInvoke* invoke) { 7092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 7102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeLongNative(HInvoke* invoke) { 7132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 7142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 7152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register addr = invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>(); 7162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Worst case: Control register bit SCTLR.A = 0. Then unaligned accesses throw a processor 7172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // exception. So we can't use ldrd as addr may be unaligned. 7182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegisterPairLow<Register>(), Address(addr, 0)); 7192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegisterPairHigh<Register>(), Address(addr, 4)); 7202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeShortNative(HInvoke* invoke) { 7232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 7242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeShortNative(HInvoke* invoke) { 7272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 7282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strh(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 7292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 7302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitThreadCurrentThread(HInvoke* invoke) { 7332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 7342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 7352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 7362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister()); 7372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitThreadCurrentThread(HInvoke* invoke) { 7402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 7412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ LoadFromOffset(kLoadWord, 7422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe invoke->GetLocations()->Out().AsRegister<Register>(), 7432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe TR, 7442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Thread::PeerOffset<kArmPointerSize>().Int32Value()); 7452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenUnsafeGet(HInvoke* invoke, 7482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 7492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 7502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen) { 7512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 7522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK((type == Primitive::kPrimInt) || 7532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe (type == Primitive::kPrimLong) || 7542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe (type == Primitive::kPrimNot)); 7552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 7562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 7572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Long offset, lo part only. 7582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 7602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_lo = locations->Out().AsRegisterPairLow<Register>(); 7612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 7622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !codegen->GetInstructionSetFeatures().HasAtomicLdrdAndStrd()) { 7632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_hi = locations->Out().AsRegisterPairHigh<Register>(); 7642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrexd(trg_lo, trg_hi, IP); 7652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 7662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrd(trg_lo, Address(IP)); 7672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 7692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg = locations->Out().AsRegister<Register>(); 7702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(trg, Address(base, offset)); 7712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile) { 7742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 7752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7764d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 7774d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (type == Primitive::kPrimNot) { 7784d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain Register trg = locations->Out().AsRegister<Register>(); 7794d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ MaybeUnpoisonHeapReference(trg); 7804d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 7812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 7842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 7852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 7862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 7872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 7882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 7892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 7902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 7912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGet(HInvoke* invoke) { 7942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 7952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetVolatile(HInvoke* invoke) { 7972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 7982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetLong(HInvoke* invoke) { 8002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 8012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetLongVolatile(HInvoke* invoke) { 8032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 8042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetObject(HInvoke* invoke) { 8062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 8072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { 8092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 8102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGet(HInvoke* invoke) { 8132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimInt, false, codegen_); 8142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetVolatile(HInvoke* invoke) { 8162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimInt, true, codegen_); 8172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetLong(HInvoke* invoke) { 8192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimLong, false, codegen_); 8202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetLongVolatile(HInvoke* invoke) { 8222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimLong, true, codegen_); 8232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetObject(HInvoke* invoke) { 8252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimNot, false, codegen_); 8262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { 8282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimNot, true, codegen_); 8292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntIntToVoid(ArenaAllocator* arena, 8322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const ArmInstructionSetFeatures& features, 8332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 8342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 8352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* invoke) { 8362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 8372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 8382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 8392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 8402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 8412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 8422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(3, Location::RequiresRegister()); 8432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 8452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Potentially need temps for ldrexd-strexd loop. 8462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !features.HasAtomicLdrdAndStrd()) { 8472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp_lo. 8482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp_hi. 8492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 8502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else if (type == Primitive::kPrimNot) { 8512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Temps for card-marking. 8522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp. 8532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Card. 8542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 8552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePut(HInvoke* invoke) { 8582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, false, invoke); 8592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutOrdered(HInvoke* invoke) { 8612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, false, invoke); 8622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutVolatile(HInvoke* invoke) { 8642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, true, invoke); 8652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObject(HInvoke* invoke) { 8672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, false, invoke); 8682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObjectOrdered(HInvoke* invoke) { 8702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, false, invoke); 8712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObjectVolatile(HInvoke* invoke) { 8732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, true, invoke); 8742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLong(HInvoke* invoke) { 8762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, false, invoke); 8772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLongOrdered(HInvoke* invoke) { 8792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, false, invoke); 8802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLongVolatile(HInvoke* invoke) { 8822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, true, invoke); 8832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenUnsafePut(LocationSummary* locations, 8862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 8872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 8882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_ordered, 8892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen) { 8902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 8912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 8932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Long offset, lo part only. 8942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value; 8952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile || is_ordered) { 8972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 8982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 8992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 9012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_lo = locations->InAt(3).AsRegisterPairLow<Register>(); 9022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe value = value_lo; 9032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !codegen->GetInstructionSetFeatures().HasAtomicLdrdAndStrd()) { 9042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp_lo = locations->GetTemp(0).AsRegister<Register>(); 9052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp_hi = locations->GetTemp(1).AsRegister<Register>(); 9062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_hi = locations->InAt(3).AsRegisterPairHigh<Register>(); 9072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 9092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Label loop_head; 9102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(&loop_head); 9112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrexd(temp_lo, temp_hi, IP); 9122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strexd(temp_lo, value_lo, value_hi, IP); 9132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(temp_lo, ShifterOperand(0)); 9142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(&loop_head, NE); 9152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 9162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 9172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strd(value_lo, Address(IP)); 9182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 9192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 9204d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain value = locations->InAt(3).AsRegister<Register>(); 9214d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain Register source = value; 9224d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (kPoisonHeapReferences && type == Primitive::kPrimNot) { 9234d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain Register temp = locations->GetTemp(0).AsRegister<Register>(); 9244d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ Mov(temp, value); 9254d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ PoisonHeapReference(temp); 9264d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain source = temp; 9274d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 9284d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain __ str(source, Address(base, offset)); 9292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 9302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile) { 9322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 9332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 9342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimNot) { 9362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp = locations->GetTemp(0).AsRegister<Register>(); 9372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register card = locations->GetTemp(1).AsRegister<Register>(); 93807276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray bool value_can_be_null = true; // TODO: Worth finding out this information? 93907276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray codegen->MarkGCCard(temp, card, base, value, value_can_be_null); 9402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 9412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePut(HInvoke* invoke) { 9442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, false, codegen_); 9452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutOrdered(HInvoke* invoke) { 9472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, true, codegen_); 9482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutVolatile(HInvoke* invoke) { 9502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, true, false, codegen_); 9512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObject(HInvoke* invoke) { 9532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, false, codegen_); 9542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObjectOrdered(HInvoke* invoke) { 9562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, true, codegen_); 9572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObjectVolatile(HInvoke* invoke) { 9592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, true, false, codegen_); 9602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLong(HInvoke* invoke) { 9622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, false, codegen_); 9632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLongOrdered(HInvoke* invoke) { 9652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, true, codegen_); 9662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLongVolatile(HInvoke* invoke) { 9682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, true, false, codegen_); 9692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntIntIntToIntPlusTemps(ArenaAllocator* arena, 9722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* invoke) { 9732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 9742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 9752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 9762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 9772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 9782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 9792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(3, Location::RequiresRegister()); 9802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(4, Location::RequiresRegister()); 9812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 9832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Pointer. 9852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp 1. 9862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp 2. 9872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 9882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenCas(LocationSummary* locations, Primitive::Type type, CodeGeneratorARM* codegen) { 9902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(type, Primitive::kPrimLong); 9912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 9932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); // Boolean result. 9952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 9972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Offset (discard high 4B). 9982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register expected_lo = locations->InAt(3).AsRegister<Register>(); // Expected. 9992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_lo = locations->InAt(4).AsRegister<Register>(); // Value. 10002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register tmp_ptr = locations->GetTemp(0).AsRegister<Register>(); // Pointer to actual memory. 10022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register tmp_lo = locations->GetTemp(1).AsRegister<Register>(); // Value in memory. 10032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimNot) { 10052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Mark card for object assuming new value is stored. Worst case we will mark an unchanged 10062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // object and scan the receiver at the next GC for nothing. 100707276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray bool value_can_be_null = true; // TODO: Worth finding out this information? 100807276db28d654594e0e86e9e467cad393f752e6eNicolas Geoffray codegen->MarkGCCard(tmp_ptr, tmp_lo, base, value_lo, value_can_be_null); 10092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 10102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Prevent reordering with prior memory operations. 10122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 10132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(tmp_ptr, base, ShifterOperand(offset)); 10152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10164d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (kPoisonHeapReferences && type == Primitive::kPrimNot) { 10174d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->PoisonHeapReference(expected_lo); 10184d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->PoisonHeapReference(value_lo); 10194d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 10204d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 10212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // do { 10222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // tmp = [r_ptr] - expected; 10232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // } while (tmp == 0 && failure([r_ptr] <- r_new_value)); 10242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // result = tmp != 0; 10252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Label loop_head; 10272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(&loop_head); 10282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrex(tmp_lo, tmp_ptr); 10302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ subs(tmp_lo, tmp_lo, ShifterOperand(expected_lo)); 10322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it(EQ, ItState::kItT); 10342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strex(tmp_lo, value_lo, tmp_ptr, EQ); 10352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(tmp_lo, ShifterOperand(1), EQ); 10362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(&loop_head, EQ); 10382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 10402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ rsbs(out, tmp_lo, ShifterOperand(1)); 10422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it(CC); 10432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(0), CC); 10444d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 10454d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain if (kPoisonHeapReferences && type == Primitive::kPrimNot) { 10464d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->UnpoisonHeapReference(value_lo); 10474d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain codegen->GetAssembler()->UnpoisonHeapReference(expected_lo); 10484d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain } 10492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 10502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1051ca71458862be8505330b7fd5649a062f31d143dcAndreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeCASInt(HInvoke* invoke) { 10522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntIntToIntPlusTemps(arena_, invoke); 10532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1054ca71458862be8505330b7fd5649a062f31d143dcAndreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeCASObject(HInvoke* invoke) { 10552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntIntToIntPlusTemps(arena_, invoke); 10562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 10572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeCASInt(HInvoke* invoke) { 10582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenCas(invoke->GetLocations(), Primitive::kPrimInt, codegen_); 10592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 10602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeCASObject(HInvoke* invoke) { 10612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenCas(invoke->GetLocations(), Primitive::kPrimNot, codegen_); 10622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 10632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringCharAt(HInvoke* invoke) { 10652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 10662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kCallOnSlowPath, 10672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 10682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 10692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 10702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 10712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 10732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 10742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 10752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringCharAt(HInvoke* invoke) { 10772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 10782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 10792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Location of reference to data array 10812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset value_offset = mirror::String::ValueOffset(); 10822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Location of count 10832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset count_offset = mirror::String::CountOffset(); 10842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register obj = locations->InAt(0).AsRegister<Register>(); // String object pointer. 10862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register idx = locations->InAt(1).AsRegister<Register>(); // Index of character. 10872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); // Result character. 10882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp = locations->GetTemp(0).AsRegister<Register>(); 10902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register array_temp = locations->GetTemp(1).AsRegister<Register>(); 10912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // TODO: Maybe we can support range check elimination. Overall, though, I think it's not worth 10932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // the cost. 10942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // TODO: For simplicity, the index parameter is requested in a register, so different from Quick 10952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // we will not optimize the code for constants (which would save a register). 10962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 10972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 10982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen_->AddSlowPath(slow_path); 10992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 11002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(temp, Address(obj, count_offset.Int32Value())); // temp = str.length. 11012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen_->MaybeRecordImplicitNullCheck(invoke); 11022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(idx, ShifterOperand(temp)); 11032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(slow_path->GetEntryLabel(), CS); 11042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1105848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ add(array_temp, obj, ShifterOperand(value_offset.Int32Value())); // array_temp := str.value. 11062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 11072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Load the value. 1108848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ ldrh(out, Address(array_temp, idx, LSL, 1)); // out := array_temp[idx]. 11092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 11102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(slow_path->GetExitLabel()); 11112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 11122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1113d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffrayvoid IntrinsicLocationsBuilderARM::VisitStringCompareTo(HInvoke* invoke) { 1114d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray // The inputs plus one temp. 1115d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary* locations = new (arena_) LocationSummary(invoke, 1116d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary::kCall, 1117d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray kIntrinsified); 1118d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray InvokeRuntimeCallingConvention calling_convention; 1119d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1120d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1121d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetOut(Location::RegisterLocation(R0)); 1122d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray} 1123d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 1124d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffrayvoid IntrinsicCodeGeneratorARM::VisitStringCompareTo(HInvoke* invoke) { 1125d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray ArmAssembler* assembler = GetAssembler(); 1126d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary* locations = invoke->GetLocations(); 1127d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 1128512e04d1ea7fb33e3992715fe55be8a834d4a79cNicolas Geoffray // Note that the null check must have been done earlier. 1129641547a5f18ca2ea54469cceadcfef64f132e5e0Calin Juravle DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); 1130d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 1131d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray Register argument = locations->InAt(1).AsRegister<Register>(); 1132d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ cmp(argument, ShifterOperand(0)); 1133d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 1134d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray codegen_->AddSlowPath(slow_path); 1135d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ b(slow_path->GetEntryLabel(), EQ); 1136d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 1137d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ LoadFromOffset( 1138d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pStringCompareTo).Int32Value()); 1139d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ blx(LR); 1140d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ Bind(slow_path->GetExitLabel()); 1141d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray} 1142d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 1143289cd55808111d23c92f2739a096942a8049649aAgi Csakivoid IntrinsicLocationsBuilderARM::VisitStringEquals(HInvoke* invoke) { 1144289cd55808111d23c92f2739a096942a8049649aAgi Csaki LocationSummary* locations = new (arena_) LocationSummary(invoke, 1145289cd55808111d23c92f2739a096942a8049649aAgi Csaki LocationSummary::kNoCall, 1146289cd55808111d23c92f2739a096942a8049649aAgi Csaki kIntrinsified); 1147289cd55808111d23c92f2739a096942a8049649aAgi Csaki InvokeRuntimeCallingConvention calling_convention; 1148289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->SetInAt(0, Location::RequiresRegister()); 1149289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->SetInAt(1, Location::RequiresRegister()); 1150289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Temporary registers to store lengths of strings and for calculations. 1151289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Using instruction cbz requires a low register, so explicitly set a temp to be R0. 1152289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->AddTemp(Location::RegisterLocation(R0)); 1153289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->AddTemp(Location::RequiresRegister()); 1154289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->AddTemp(Location::RequiresRegister()); 1155289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1156289cd55808111d23c92f2739a096942a8049649aAgi Csaki locations->SetOut(Location::RequiresRegister()); 1157289cd55808111d23c92f2739a096942a8049649aAgi Csaki} 1158289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1159289cd55808111d23c92f2739a096942a8049649aAgi Csakivoid IntrinsicCodeGeneratorARM::VisitStringEquals(HInvoke* invoke) { 1160289cd55808111d23c92f2739a096942a8049649aAgi Csaki ArmAssembler* assembler = GetAssembler(); 1161289cd55808111d23c92f2739a096942a8049649aAgi Csaki LocationSummary* locations = invoke->GetLocations(); 1162289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1163289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register str = locations->InAt(0).AsRegister<Register>(); 1164289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register arg = locations->InAt(1).AsRegister<Register>(); 1165289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register out = locations->Out().AsRegister<Register>(); 1166289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1167289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register temp = locations->GetTemp(0).AsRegister<Register>(); 1168289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register temp1 = locations->GetTemp(1).AsRegister<Register>(); 1169289cd55808111d23c92f2739a096942a8049649aAgi Csaki Register temp2 = locations->GetTemp(2).AsRegister<Register>(); 1170289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1171289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label loop; 1172289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label end; 1173289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label return_true; 1174289cd55808111d23c92f2739a096942a8049649aAgi Csaki Label return_false; 1175289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1176289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Get offsets of count, value, and class fields within a string object. 1177289cd55808111d23c92f2739a096942a8049649aAgi Csaki const uint32_t count_offset = mirror::String::CountOffset().Uint32Value(); 1178289cd55808111d23c92f2739a096942a8049649aAgi Csaki const uint32_t value_offset = mirror::String::ValueOffset().Uint32Value(); 1179289cd55808111d23c92f2739a096942a8049649aAgi Csaki const uint32_t class_offset = mirror::Object::ClassOffset().Uint32Value(); 1180289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1181289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Note that the null check must have been done earlier. 1182289cd55808111d23c92f2739a096942a8049649aAgi Csaki DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); 1183289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1184289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Check if input is null, return false if it is. 1185289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ CompareAndBranchIfZero(arg, &return_false); 1186289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1187289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Instanceof check for the argument by comparing class fields. 1188289cd55808111d23c92f2739a096942a8049649aAgi Csaki // All string objects must have the same type since String cannot be subclassed. 1189289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Receiver must be a string object, so its class field is equal to all strings' class fields. 1190289cd55808111d23c92f2739a096942a8049649aAgi Csaki // If the argument is a string object, its class field must be equal to receiver's class field. 1191289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp, Address(str, class_offset)); 1192289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp1, Address(arg, class_offset)); 1193289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(temp, ShifterOperand(temp1)); 1194289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_false, NE); 1195289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1196289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Load lengths of this and argument strings. 1197289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp, Address(str, count_offset)); 1198289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp1, Address(arg, count_offset)); 1199289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Check if lengths are equal, return false if they're not. 1200289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(temp, ShifterOperand(temp1)); 1201289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_false, NE); 1202289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Return true if both strings are empty. 1203289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cbz(temp, &return_true); 1204289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1205289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Reference equality check, return true if same reference. 1206289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(str, ShifterOperand(arg)); 1207289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_true, EQ); 1208289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1209289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Assertions that must hold in order to compare strings 2 characters at a time. 1210289cd55808111d23c92f2739a096942a8049649aAgi Csaki DCHECK_ALIGNED(value_offset, 4); 1211289cd55808111d23c92f2739a096942a8049649aAgi Csaki static_assert(IsAligned<4>(kObjectAlignment), "String of odd length is not zero padded"); 1212289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1213289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ LoadImmediate(temp1, value_offset); 1214289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1215289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Loop to compare strings 2 characters at a time starting at the front of the string. 1216289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Ok to do this because strings with an odd length are zero-padded. 1217289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&loop); 1218289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(out, Address(str, temp1)); 1219289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ ldr(temp2, Address(arg, temp1)); 1220289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ cmp(out, ShifterOperand(temp2)); 1221289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&return_false, NE); 1222289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ add(temp1, temp1, ShifterOperand(sizeof(uint32_t))); 1223a63f0d47edbcbe13a23411851a9c6e81f9342cc2Vladimir Marko __ subs(temp, temp, ShifterOperand(sizeof(uint32_t) / sizeof(uint16_t))); 1224a63f0d47edbcbe13a23411851a9c6e81f9342cc2Vladimir Marko __ b(&loop, GT); 1225289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1226289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Return true and exit the function. 1227289cd55808111d23c92f2739a096942a8049649aAgi Csaki // If loop does not result in returning false, we return true. 1228289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&return_true); 1229289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ LoadImmediate(out, 1); 1230289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ b(&end); 1231289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1232289cd55808111d23c92f2739a096942a8049649aAgi Csaki // Return false and exit the function. 1233289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&return_false); 1234289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ LoadImmediate(out, 0); 1235289cd55808111d23c92f2739a096942a8049649aAgi Csaki __ Bind(&end); 1236289cd55808111d23c92f2739a096942a8049649aAgi Csaki} 1237289cd55808111d23c92f2739a096942a8049649aAgi Csaki 1238ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampestatic void GenerateVisitStringIndexOf(HInvoke* invoke, 1239ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe ArmAssembler* assembler, 1240ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe CodeGeneratorARM* codegen, 1241ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe ArenaAllocator* allocator, 1242ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe bool start_at_zero) { 1243ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 1244ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe Register tmp_reg = locations->GetTemp(0).AsRegister<Register>(); 1245ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1246ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Note that the null check must have been done earlier. 1247ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); 1248ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1249ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Check for code points > 0xFFFF. Either a slow-path check when we don't know statically, 1250ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // or directly dispatch if we have a constant. 1251ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe SlowPathCodeARM* slow_path = nullptr; 1252ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (invoke->InputAt(1)->IsIntConstant()) { 1253ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (static_cast<uint32_t>(invoke->InputAt(1)->AsIntConstant()->GetValue()) > 1254ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe std::numeric_limits<uint16_t>::max()) { 1255ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Always needs the slow-path. We could directly dispatch to it, but this case should be 1256ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // rare, so for simplicity just put the full slow-path down and branch unconditionally. 1257ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe slow_path = new (allocator) IntrinsicSlowPathARM(invoke); 1258ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe codegen->AddSlowPath(slow_path); 1259ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ b(slow_path->GetEntryLabel()); 1260ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ Bind(slow_path->GetExitLabel()); 1261ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe return; 1262ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1263ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } else { 1264ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe Register char_reg = locations->InAt(1).AsRegister<Register>(); 1265ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ LoadImmediate(tmp_reg, std::numeric_limits<uint16_t>::max()); 1266ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ cmp(char_reg, ShifterOperand(tmp_reg)); 1267ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe slow_path = new (allocator) IntrinsicSlowPathARM(invoke); 1268ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe codegen->AddSlowPath(slow_path); 1269ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ b(slow_path->GetEntryLabel(), HI); 1270ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1271ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1272ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (start_at_zero) { 1273ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe DCHECK_EQ(tmp_reg, R2); 1274ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Start-index = 0. 1275ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ LoadImmediate(tmp_reg, 0); 1276ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1277ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1278ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ LoadFromOffset(kLoadWord, LR, TR, 1279ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pIndexOf).Int32Value()); 1280ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ blx(LR); 1281ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1282ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe if (slow_path != nullptr) { 1283ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe __ Bind(slow_path->GetExitLabel()); 1284ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe } 1285ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1286ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1287ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringIndexOf(HInvoke* invoke) { 1288ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 1289ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary::kCall, 1290ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe kIntrinsified); 1291ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // We have a hand-crafted assembly stub that follows the runtime calling convention. So it's 1292ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // best to align the inputs accordingly. 1293ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe InvokeRuntimeCallingConvention calling_convention; 1294ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1295ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1296ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetOut(Location::RegisterLocation(R0)); 1297ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1298ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Need a temp for slow-path codepoint compare, and need to send start-index=0. 1299ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1300ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1301ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1302ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringIndexOf(HInvoke* invoke) { 1303ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe GenerateVisitStringIndexOf(invoke, GetAssembler(), codegen_, GetAllocator(), true); 1304ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1305ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1306ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringIndexOfAfter(HInvoke* invoke) { 1307ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 1308ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe LocationSummary::kCall, 1309ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe kIntrinsified); 1310ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // We have a hand-crafted assembly stub that follows the runtime calling convention. So it's 1311ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // best to align the inputs accordingly. 1312ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe InvokeRuntimeCallingConvention calling_convention; 1313ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1314ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1315ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1316ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->SetOut(Location::RegisterLocation(R0)); 1317ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1318ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe // Need a temp for slow-path codepoint compare. 1319ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 1320ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1321ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1322ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringIndexOfAfter(HInvoke* invoke) { 1323ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe GenerateVisitStringIndexOf(invoke, GetAssembler(), codegen_, GetAllocator(), false); 1324ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe} 1325ba6fdbcb764d5a8972f5ff2d7147e4d78226b347Andreas Gampe 1326848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicLocationsBuilderARM::VisitStringNewStringFromBytes(HInvoke* invoke) { 1327848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = new (arena_) LocationSummary(invoke, 1328848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary::kCall, 1329848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kIntrinsified); 1330848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao InvokeRuntimeCallingConvention calling_convention; 1331848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1332848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1333848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1334848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(3, Location::RegisterLocation(calling_convention.GetRegisterAt(3))); 1335848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetOut(Location::RegisterLocation(R0)); 1336848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1337848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1338848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicCodeGeneratorARM::VisitStringNewStringFromBytes(HInvoke* invoke) { 1339848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao ArmAssembler* assembler = GetAssembler(); 1340848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = invoke->GetLocations(); 1341848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1342848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao Register byte_array = locations->InAt(0).AsRegister<Register>(); 1343848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ cmp(byte_array, ShifterOperand(0)); 1344848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 1345848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->AddSlowPath(slow_path); 1346848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ b(slow_path->GetEntryLabel(), EQ); 1347848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1348848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ LoadFromOffset( 1349848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pAllocStringFromBytes).Int32Value()); 1350848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); 1351848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ blx(LR); 1352848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ Bind(slow_path->GetExitLabel()); 1353848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1354848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1355848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicLocationsBuilderARM::VisitStringNewStringFromChars(HInvoke* invoke) { 1356848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = new (arena_) LocationSummary(invoke, 1357848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary::kCall, 1358848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kIntrinsified); 1359848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao InvokeRuntimeCallingConvention calling_convention; 1360848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1361848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 1362848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); 1363848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetOut(Location::RegisterLocation(R0)); 1364848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1365848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1366848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicCodeGeneratorARM::VisitStringNewStringFromChars(HInvoke* invoke) { 1367848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao ArmAssembler* assembler = GetAssembler(); 1368848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1369848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ LoadFromOffset( 1370848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pAllocStringFromChars).Int32Value()); 1371848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); 1372848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ blx(LR); 1373848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1374848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1375848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicLocationsBuilderARM::VisitStringNewStringFromString(HInvoke* invoke) { 1376848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = new (arena_) LocationSummary(invoke, 1377848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary::kCall, 1378848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao kIntrinsified); 1379848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao InvokeRuntimeCallingConvention calling_convention; 1380848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 1381848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao locations->SetOut(Location::RegisterLocation(R0)); 1382848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1383848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1384848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Haovoid IntrinsicCodeGeneratorARM::VisitStringNewStringFromString(HInvoke* invoke) { 1385848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao ArmAssembler* assembler = GetAssembler(); 1386848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LocationSummary* locations = invoke->GetLocations(); 1387848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1388848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao Register string_to_copy = locations->InAt(0).AsRegister<Register>(); 1389848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ cmp(string_to_copy, ShifterOperand(0)); 1390848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 1391848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->AddSlowPath(slow_path); 1392848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ b(slow_path->GetEntryLabel(), EQ); 1393848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 1394848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ LoadFromOffset(kLoadWord, 1395848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pAllocStringFromString).Int32Value()); 1396848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); 1397848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ blx(LR); 1398848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao __ Bind(slow_path->GetExitLabel()); 1399848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao} 1400848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff Hao 14012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Unimplemented intrinsics. 14022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 14032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#define UNIMPLEMENTED_INTRINSIC(Name) \ 14042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ 14052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} \ 14062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ 14072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 14082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 14092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(IntegerReverse) 14102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(IntegerReverseBytes) 14112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(LongReverse) 14122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(LongReverseBytes) 14132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(ShortReverseBytes) 14142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinDoubleDouble) 14152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinFloatFloat) 14162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxDoubleDouble) 14172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxFloatFloat) 14182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinLongLong) 14192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxLongLong) 14202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathCeil) // Could be done by changing rounding mode, maybe? 14212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathFloor) // Could be done by changing rounding mode, maybe? 14222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRint) 14232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRoundDouble) // Could be done by changing rounding mode, maybe? 14242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRoundFloat) // Could be done by changing rounding mode, maybe? 14252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(UnsafeCASLong) // High register pressure. 14262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(SystemArrayCopyChar) 14272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(ReferenceGetReferent) 1428848f70a3d73833fc1bf3032a9ff6812e429661d9Jeff HaoUNIMPLEMENTED_INTRINSIC(StringGetCharsNoCheck) 14292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 14304d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain#undef UNIMPLEMENTED_INTRINSIC 14314d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 14324d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain#undef __ 14334d02711ea578dbb789abb30cbaf12f9926e13d81Roland Levillain 14342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} // namespace arm 14352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} // namespace art 1436