intrinsics_arm.cc revision d75948ac93a4a317feaf136cae78823071234ba5
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" 202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "code_generator_arm.h" 212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "entrypoints/quick/quick_entrypoints.h" 222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "intrinsics.h" 232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "mirror/array-inl.h" 242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#include "mirror/art_method.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 512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (Primitive::IsIntegralType(type)) { 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 802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MoveArguments(HInvoke* invoke, ArenaAllocator* arena, CodeGeneratorARM* codegen) { 812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (invoke->InputCount() == 0) { 822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe return; 832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe InvokeDexCallingConventionVisitor calling_convention_visitor; 872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // We're moving potentially two or more locations to locations that could overlap, so we need 892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // a parallel move resolver. 902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HParallelMove parallel_move(arena); 912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe for (size_t i = 0; i < invoke->InputCount(); i++) { 932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInstruction* input = invoke->InputAt(i); 942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location cc_loc = calling_convention_visitor.GetNextLocation(input->GetType()); 952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location actual_loc = locations->InAt(i); 962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe parallel_move.AddMove(actual_loc, cc_loc, nullptr); 982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen->GetMoveResolver()->EmitNativeCode(¶llel_move); 1012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Slow-path for fallback (calling the managed code to handle the intrinsic) in an intrinsified 1042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// call. This will copy the arguments into the positions for a regular call. 1052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// 1062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Note: The actual parameters are required to be in the locations given by the invoke's location 1072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// summary. If an intrinsic modifies those locations before a slowpath call, they must be 1082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// restored! 1092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampeclass IntrinsicSlowPathARM : public SlowPathCodeARM { 1102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe public: 1112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe explicit IntrinsicSlowPathARM(HInvoke* invoke) : invoke_(invoke) { } 1122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe void EmitNativeCode(CodeGenerator* codegen_in) OVERRIDE { 1142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen = down_cast<CodeGeneratorARM*>(codegen_in); 1152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(GetEntryLabel()); 1162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 117a8ac9130b872c080299afacf5dcaab513d13ea87Nicolas Geoffray SaveLiveRegisters(codegen, invoke_->GetLocations()); 1182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveArguments(invoke_, codegen->GetGraph()->GetArena(), codegen); 1202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (invoke_->IsInvokeStaticOrDirect()) { 1222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen->GenerateStaticOrDirectCall(invoke_->AsInvokeStaticOrDirect(), kArtMethodRegister); 123a8ac9130b872c080299afacf5dcaab513d13ea87Nicolas Geoffray RecordPcInfo(codegen, invoke_, invoke_->GetDexPc()); 1242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 1252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe UNIMPLEMENTED(FATAL) << "Non-direct intrinsic slow-path not yet implemented"; 1262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe UNREACHABLE(); 1272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Copy the result back to the expected output. 1302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location out = invoke_->GetLocations()->Out(); 1312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (out.IsValid()) { 1322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK(out.IsRegister()); // TODO: Replace this when we support output in memory. 1332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK(!invoke_->GetLocations()->GetLiveRegisters()->ContainsCoreRegister(out.reg())); 1342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveFromReturnRegister(out, invoke_->GetType(), codegen); 1352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 137a8ac9130b872c080299afacf5dcaab513d13ea87Nicolas Geoffray RestoreLiveRegisters(codegen, invoke_->GetLocations()); 1382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(GetExitLabel()); 1392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe private: 1422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // The instruction where this slow path is happening. 1432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* const invoke_; 1442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DISALLOW_COPY_AND_ASSIGN(IntrinsicSlowPathARM); 1462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe}; 1472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#undef __ 1492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampebool IntrinsicLocationsBuilderARM::TryDispatch(HInvoke* invoke) { 1512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Dispatch(invoke); 1522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* res = invoke->GetLocations(); 1532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe return res != nullptr && res->Intrinsified(); 1542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#define __ assembler-> 1572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateFPToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 1592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 1602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 1612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 1622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresFpuRegister()); 1632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister()); 1642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { 1672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 1682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 1692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 1702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 1712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresFpuRegister()); 1722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MoveFPToInt(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 1752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location input = locations->InAt(0); 1762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 1772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 1782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovrrd(output.AsRegisterPairLow<Register>(), 1792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe output.AsRegisterPairHigh<Register>(), 1802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(input.AsFpuRegisterPairLow<SRegister>())); 1812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 1822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovrs(output.AsRegister<Register>(), input.AsFpuRegister<SRegister>()); 1832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MoveIntToFP(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 1872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location input = locations->InAt(0); 1882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 1892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 1902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovdrr(FromLowSToD(output.AsFpuRegisterPairLow<SRegister>()), 1912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe input.AsRegisterPairLow<Register>(), 1922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe input.AsRegisterPairHigh<Register>()); 1932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 1942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vmovsr(output.AsFpuRegister<SRegister>(), input.AsRegister<Register>()); 1952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 1962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 1972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 1982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { 1992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToIntLocations(arena_, invoke); 2002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitDoubleLongBitsToDouble(HInvoke* invoke) { 2022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToFPLocations(arena_, invoke); 2032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { 2062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveFPToInt(invoke->GetLocations(), true, GetAssembler()); 2072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitDoubleLongBitsToDouble(HInvoke* invoke) { 2092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveIntToFP(invoke->GetLocations(), true, GetAssembler()); 2102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitFloatFloatToRawIntBits(HInvoke* invoke) { 2132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToIntLocations(arena_, invoke); 2142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitFloatIntBitsToFloat(HInvoke* invoke) { 2162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToFPLocations(arena_, invoke); 2172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitFloatFloatToRawIntBits(HInvoke* invoke) { 2202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveFPToInt(invoke->GetLocations(), false, GetAssembler()); 2212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitFloatIntBitsToFloat(HInvoke* invoke) { 2232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MoveIntToFP(invoke->GetLocations(), false, GetAssembler()); 2242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 2272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 2282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 2292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 2302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 2312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 2322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { 2352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 2362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 2372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 2382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresFpuRegister()); 2392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); 2402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void MathAbsFP(LocationSummary* locations, bool is64bit, ArmAssembler* assembler) { 2432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location in = locations->InAt(0); 2442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location out = locations->Out(); 2452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 2472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vabsd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()), 2482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(in.AsFpuRegisterPairLow<SRegister>())); 2492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 2502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vabss(out.AsFpuRegister<SRegister>(), in.AsFpuRegister<SRegister>()); 2512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 2522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsDouble(HInvoke* invoke) { 2552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 2562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsDouble(HInvoke* invoke) { 2592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MathAbsFP(invoke->GetLocations(), true, GetAssembler()); 2602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsFloat(HInvoke* invoke) { 2632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 2642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsFloat(HInvoke* invoke) { 2672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe MathAbsFP(invoke->GetLocations(), false, GetAssembler()); 2682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntToIntPlusTemp(ArenaAllocator* arena, HInvoke* invoke) { 2712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 2722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 2732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 2742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 2752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 2762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 2782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 2792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenAbsInteger(LocationSummary* locations, 2812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is64bit, 2822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler) { 2832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location in = locations->InAt(0); 2842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Location output = locations->Out(); 2852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register mask = locations->GetTemp(0).AsRegister<Register>(); 2872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is64bit) { 2892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg_lo = in.AsRegisterPairLow<Register>(); 2902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg_hi = in.AsRegisterPairHigh<Register>(); 2912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg_lo = output.AsRegisterPairLow<Register>(); 2922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg_hi = output.AsRegisterPairHigh<Register>(); 2932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(out_reg_lo, in_reg_hi) << "Diagonal overlap unexpected."; 2952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 2962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Asr(mask, in_reg_hi, 31); 2972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ adds(out_reg_lo, in_reg_lo, ShifterOperand(mask)); 2982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ adc(out_reg_hi, in_reg_hi, ShifterOperand(mask)); 2992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg_lo, mask, ShifterOperand(out_reg_lo)); 3002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg_hi, mask, ShifterOperand(out_reg_hi)); 3012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 3022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register in_reg = in.AsRegister<Register>(); 3032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out_reg = output.AsRegister<Register>(); 3042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Asr(mask, in_reg, 31); 3062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(out_reg, in_reg, ShifterOperand(mask)); 3072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ eor(out_reg, mask, ShifterOperand(out_reg)); 3082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 3092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsInt(HInvoke* invoke) { 3122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntPlusTemp(arena_, invoke); 3132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsInt(HInvoke* invoke) { 3162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenAbsInteger(invoke->GetLocations(), false, GetAssembler()); 3172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathAbsLong(HInvoke* invoke) { 3212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntPlusTemp(arena_, invoke); 3222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathAbsLong(HInvoke* invoke) { 3252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenAbsInteger(invoke->GetLocations(), true, GetAssembler()); 3262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenMinMax(LocationSummary* locations, 3292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_min, 3302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler) { 3312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register op1 = locations->InAt(0).AsRegister<Register>(); 3322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register op2 = locations->InAt(1).AsRegister<Register>(); 3332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); 3342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(op1, ShifterOperand(op2)); 3362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it((is_min) ? Condition::LT : Condition::GT, kItElse); 3382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(op1), is_min ? Condition::LT : Condition::GT); 3392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(op2), is_min ? Condition::GE : Condition::LE); 3402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 3432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 3442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 3452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 3462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 3472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 3482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 3492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathMinIntInt(HInvoke* invoke) { 3522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToIntLocations(arena_, invoke); 3532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathMinIntInt(HInvoke* invoke) { 3562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenMinMax(invoke->GetLocations(), true, GetAssembler()); 3572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathMaxIntInt(HInvoke* invoke) { 3602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToIntLocations(arena_, invoke); 3612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathMaxIntInt(HInvoke* invoke) { 3642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenMinMax(invoke->GetLocations(), false, GetAssembler()); 3652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMathSqrt(HInvoke* invoke) { 3682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateFPToFPLocations(arena_, invoke); 3692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMathSqrt(HInvoke* invoke) { 3722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 3732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 3742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ vsqrtd(FromLowSToD(locations->Out().AsFpuRegisterPairLow<SRegister>()), 3752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe FromLowSToD(locations->InAt(0).AsFpuRegisterPairLow<SRegister>())); 3762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekByte(HInvoke* invoke) { 3792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 3802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekByte(HInvoke* invoke) { 3832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 3842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 3852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrsb(invoke->GetLocations()->Out().AsRegister<Register>(), 3862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 3872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekIntNative(HInvoke* invoke) { 3902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 3912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 3932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekIntNative(HInvoke* invoke) { 3942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 3952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 3962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(invoke->GetLocations()->Out().AsRegister<Register>(), 3972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 3982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 3992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekLongNative(HInvoke* invoke) { 4012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 4022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekLongNative(HInvoke* invoke) { 4052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register addr = invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>(); 4082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Worst case: Control register bit SCTLR.A = 0. Then unaligned accesses throw a processor 4092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // exception. So we can't use ldrd as addr may be unaligned. 4102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register lo = invoke->GetLocations()->Out().AsRegisterPairLow<Register>(); 4112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register hi = invoke->GetLocations()->Out().AsRegisterPairHigh<Register>(); 4122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (addr == lo) { 4132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(hi, Address(addr, 4)); 4142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(lo, Address(addr, 0)); 4152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 4162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(lo, Address(addr, 0)); 4172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(hi, Address(addr, 4)); 4182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 4192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPeekShortNative(HInvoke* invoke) { 4222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntToIntLocations(arena_, invoke); 4232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPeekShortNative(HInvoke* invoke) { 4262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrsh(invoke->GetLocations()->Out().AsRegister<Register>(), 4292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntToVoidLocations(ArenaAllocator* arena, HInvoke* invoke) { 4332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 4342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 4352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 4362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 4372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 4382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeByte(HInvoke* invoke) { 4412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeByte(HInvoke* invoke) { 4452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strb(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 4472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeIntNative(HInvoke* invoke) { 4512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeIntNative(HInvoke* invoke) { 4552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 4572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeLongNative(HInvoke* invoke) { 4612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeLongNative(HInvoke* invoke) { 4652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Ignore upper 4B of long address. 4672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register addr = invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>(); 4682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Worst case: Control register bit SCTLR.A = 0. Then unaligned accesses throw a processor 4692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // exception. So we can't use ldrd as addr may be unaligned. 4702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegisterPairLow<Register>(), Address(addr, 0)); 4712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(invoke->GetLocations()->InAt(1).AsRegisterPairHigh<Register>(), Address(addr, 4)); 4722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitMemoryPokeShortNative(HInvoke* invoke) { 4752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntToVoidLocations(arena_, invoke); 4762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitMemoryPokeShortNative(HInvoke* invoke) { 4792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strh(invoke->GetLocations()->InAt(1).AsRegister<Register>(), 4812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Address(invoke->GetLocations()->InAt(0).AsRegisterPairLow<Register>())); 4822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitThreadCurrentThread(HInvoke* invoke) { 4852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 4862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 4872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 4882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister()); 4892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitThreadCurrentThread(HInvoke* invoke) { 4922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 4932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ LoadFromOffset(kLoadWord, 4942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe invoke->GetLocations()->Out().AsRegister<Register>(), 4952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe TR, 4962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Thread::PeerOffset<kArmPointerSize>().Int32Value()); 4972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 4982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 4992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenUnsafeGet(HInvoke* invoke, 5002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 5012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 5022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen) { 5032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 5042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK((type == Primitive::kPrimInt) || 5052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe (type == Primitive::kPrimLong) || 5062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe (type == Primitive::kPrimNot)); 5072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 5082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 5092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Long offset, lo part only. 5102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 5122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_lo = locations->Out().AsRegisterPairLow<Register>(); 5132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 5142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !codegen->GetInstructionSetFeatures().HasAtomicLdrdAndStrd()) { 5152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg_hi = locations->Out().AsRegisterPairHigh<Register>(); 5162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrexd(trg_lo, trg_hi, IP); 5172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 5182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrd(trg_lo, Address(IP)); 5192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 5212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register trg = locations->Out().AsRegister<Register>(); 5222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(trg, Address(base, offset)); 5232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile) { 5262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 5272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { 5312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 5322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 5332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 5342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 5352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 5362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 5372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 5382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGet(HInvoke* invoke) { 5412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetVolatile(HInvoke* invoke) { 5442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetLong(HInvoke* invoke) { 5472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetLongVolatile(HInvoke* invoke) { 5502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetObject(HInvoke* invoke) { 5532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { 5562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntToIntLocations(arena_, invoke); 5572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGet(HInvoke* invoke) { 5602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimInt, false, codegen_); 5612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetVolatile(HInvoke* invoke) { 5632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimInt, true, codegen_); 5642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetLong(HInvoke* invoke) { 5662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimLong, false, codegen_); 5672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetLongVolatile(HInvoke* invoke) { 5692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimLong, true, codegen_); 5702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetObject(HInvoke* invoke) { 5722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimNot, false, codegen_); 5732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { 5752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafeGet(invoke, Primitive::kPrimNot, true, codegen_); 5762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 5772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntIntToVoid(ArenaAllocator* arena, 5792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const ArmInstructionSetFeatures& features, 5802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 5812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 5822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* invoke) { 5832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 5842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 5852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 5862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 5872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 5882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 5892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(3, Location::RequiresRegister()); 5902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 5912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 5922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Potentially need temps for ldrexd-strexd loop. 5932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !features.HasAtomicLdrdAndStrd()) { 5942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp_lo. 5952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp_hi. 5962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 5972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else if (type == Primitive::kPrimNot) { 5982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Temps for card-marking. 5992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp. 6002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Card. 6012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePut(HInvoke* invoke) { 6052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, false, invoke); 6062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutOrdered(HInvoke* invoke) { 6082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, false, invoke); 6092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutVolatile(HInvoke* invoke) { 6112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimInt, true, invoke); 6122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObject(HInvoke* invoke) { 6142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, false, invoke); 6152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObjectOrdered(HInvoke* invoke) { 6172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, false, invoke); 6182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutObjectVolatile(HInvoke* invoke) { 6202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimNot, true, invoke); 6212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLong(HInvoke* invoke) { 6232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, false, invoke); 6242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLongOrdered(HInvoke* invoke) { 6262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, false, invoke); 6272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafePutLongVolatile(HInvoke* invoke) { 6292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntToVoid(arena_, features_, Primitive::kPrimLong, true, invoke); 6302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenUnsafePut(LocationSummary* locations, 6332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Primitive::Type type, 6342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_volatile, 6352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe bool is_ordered, 6362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CodeGeneratorARM* codegen) { 6372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 6382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 6402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Long offset, lo part only. 6412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value; 6422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile || is_ordered) { 6442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 6452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimLong) { 6482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_lo = locations->InAt(3).AsRegisterPairLow<Register>(); 6492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe value = value_lo; 6502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile && !codegen->GetInstructionSetFeatures().HasAtomicLdrdAndStrd()) { 6512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp_lo = locations->GetTemp(0).AsRegister<Register>(); 6522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp_hi = locations->GetTemp(1).AsRegister<Register>(); 6532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_hi = locations->InAt(3).AsRegisterPairHigh<Register>(); 6542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 6562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Label loop_head; 6572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(&loop_head); 6582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrexd(temp_lo, temp_hi, IP); 6592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strexd(temp_lo, value_lo, value_hi, IP); 6602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(temp_lo, ShifterOperand(0)); 6612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(&loop_head, NE); 6622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 6632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(IP, base, ShifterOperand(offset)); 6642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strd(value_lo, Address(IP)); 6652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } else { 6672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe value = locations->InAt(3).AsRegister<Register>(); 6682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ str(value, Address(base, offset)); 6692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (is_volatile) { 6722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 6732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimNot) { 6762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp = locations->GetTemp(0).AsRegister<Register>(); 6772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register card = locations->GetTemp(1).AsRegister<Register>(); 6782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen->MarkGCCard(temp, card, base, value); 6792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 6802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 6822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePut(HInvoke* invoke) { 6832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, false, codegen_); 6842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutOrdered(HInvoke* invoke) { 6862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, true, codegen_); 6872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutVolatile(HInvoke* invoke) { 6892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, true, false, codegen_); 6902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObject(HInvoke* invoke) { 6922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, false, codegen_); 6932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObjectOrdered(HInvoke* invoke) { 6952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, true, codegen_); 6962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 6972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutObjectVolatile(HInvoke* invoke) { 6982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, true, false, codegen_); 6992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLong(HInvoke* invoke) { 7012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, false, codegen_); 7022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLongOrdered(HInvoke* invoke) { 7042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, true, codegen_); 7052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafePutLongVolatile(HInvoke* invoke) { 7072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, true, false, codegen_); 7082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void CreateIntIntIntIntIntToIntPlusTemps(ArenaAllocator* arena, 7112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe HInvoke* invoke) { 7122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena) LocationSummary(invoke, 7132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kNoCall, 7142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 7152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::NoLocation()); // Unused receiver. 7162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 7172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(2, Location::RequiresRegister()); 7182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(3, Location::RequiresRegister()); 7192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(4, Location::RequiresRegister()); 7202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); 7222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Pointer. 7242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp 1. 7252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); // Temp 2. 7262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampestatic void GenCas(LocationSummary* locations, Primitive::Type type, CodeGeneratorARM* codegen) { 7292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_NE(type, Primitive::kPrimLong); 7302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = codegen->GetAssembler(); 7322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); // Boolean result. 7342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register base = locations->InAt(1).AsRegister<Register>(); // Object pointer. 7362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register offset = locations->InAt(2).AsRegisterPairLow<Register>(); // Offset (discard high 4B). 7372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register expected_lo = locations->InAt(3).AsRegister<Register>(); // Expected. 7382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register value_lo = locations->InAt(4).AsRegister<Register>(); // Value. 7392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register tmp_ptr = locations->GetTemp(0).AsRegister<Register>(); // Pointer to actual memory. 7412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register tmp_lo = locations->GetTemp(1).AsRegister<Register>(); // Value in memory. 7422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe if (type == Primitive::kPrimNot) { 7442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Mark card for object assuming new value is stored. Worst case we will mark an unchanged 7452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // object and scan the receiver at the next GC for nothing. 7462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen->MarkGCCard(tmp_ptr, tmp_lo, base, value_lo); 7472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe } 7482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Prevent reordering with prior memory operations. 7502bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 7512bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7522bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(tmp_ptr, base, ShifterOperand(offset)); 7532bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7542bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // do { 7552bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // tmp = [r_ptr] - expected; 7562bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // } while (tmp == 0 && failure([r_ptr] <- r_new_value)); 7572bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // result = tmp != 0; 7582bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7592bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Label loop_head; 7602bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(&loop_head); 7612bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7622bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrex(tmp_lo, tmp_ptr); 7632bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7642bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ subs(tmp_lo, tmp_lo, ShifterOperand(expected_lo)); 7652bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7662bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it(EQ, ItState::kItT); 7672bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ strex(tmp_lo, value_lo, tmp_ptr, EQ); 7682bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(tmp_lo, ShifterOperand(1), EQ); 7692bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7702bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(&loop_head, EQ); 7712bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7722bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ dmb(ISH); 7732bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7742bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ rsbs(out, tmp_lo, ShifterOperand(1)); 7752bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ it(CC); 7762bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ mov(out, ShifterOperand(0), CC); 7772bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7782bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7792bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeCASInt(HInvoke* invoke ATTRIBUTE_UNUSED) { 7802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntIntToIntPlusTemps(arena_, invoke); 7812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitUnsafeCASObject(HInvoke* invoke ATTRIBUTE_UNUSED) { 7832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe CreateIntIntIntIntIntToIntPlusTemps(arena_, invoke); 7842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeCASInt(HInvoke* invoke) { 7862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenCas(invoke->GetLocations(), Primitive::kPrimInt, codegen_); 7872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitUnsafeCASObject(HInvoke* invoke) { 7892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe GenCas(invoke->GetLocations(), Primitive::kPrimNot, codegen_); 7902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 7912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 7922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::VisitStringCharAt(HInvoke* invoke) { 7932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = new (arena_) LocationSummary(invoke, 7942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary::kCallOnSlowPath, 7952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe kIntrinsified); 7962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(0, Location::RequiresRegister()); 7972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetInAt(1, Location::RequiresRegister()); 7982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); 7992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 8012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe locations->AddTemp(Location::RequiresRegister()); 8022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::VisitStringCharAt(HInvoke* invoke) { 8052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe ArmAssembler* assembler = GetAssembler(); 8062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe LocationSummary* locations = invoke->GetLocations(); 8072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Location of reference to data array 8092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset value_offset = mirror::String::ValueOffset(); 8102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Location of count 8112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset count_offset = mirror::String::CountOffset(); 8122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Starting offset within data array 8132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset offset_offset = mirror::String::OffsetOffset(); 8142bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Start of char data with array_ 8152bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe const MemberOffset data_offset = mirror::Array::DataOffset(sizeof(uint16_t)); 8162bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8172bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register obj = locations->InAt(0).AsRegister<Register>(); // String object pointer. 8182bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register idx = locations->InAt(1).AsRegister<Register>(); // Index of character. 8192bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register out = locations->Out().AsRegister<Register>(); // Result character. 8202bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8212bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register temp = locations->GetTemp(0).AsRegister<Register>(); 8222bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe Register array_temp = locations->GetTemp(1).AsRegister<Register>(); 8232bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8242bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // TODO: Maybe we can support range check elimination. Overall, though, I think it's not worth 8252bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // the cost. 8262bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // TODO: For simplicity, the index parameter is requested in a register, so different from Quick 8272bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // we will not optimize the code for constants (which would save a register). 8282bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8292bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 8302bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen_->AddSlowPath(slow_path); 8312bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8322bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(temp, Address(obj, count_offset.Int32Value())); // temp = str.length. 8332bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe codegen_->MaybeRecordImplicitNullCheck(invoke); 8342bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ cmp(idx, ShifterOperand(temp)); 8352bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ b(slow_path->GetEntryLabel(), CS); 8362bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8372bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Index computation. 8382bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(temp, Address(obj, offset_offset.Int32Value())); // temp := str.offset. 8392bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldr(array_temp, Address(obj, value_offset.Int32Value())); // array_temp := str.offset. 8402bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(temp, temp, ShifterOperand(idx)); 8412bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe DCHECK_EQ(data_offset.Int32Value() % 2, 0); // We'll compensate by shifting. 8422bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ add(temp, temp, ShifterOperand(data_offset.Int32Value() / 2)); 8432bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8442bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe // Load the value. 8452bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ ldrh(out, Address(array_temp, temp, LSL, 1)); // out := array_temp[temp]. 8462bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8472bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe __ Bind(slow_path->GetExitLabel()); 8482bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8492bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 850d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffrayvoid IntrinsicLocationsBuilderARM::VisitStringCompareTo(HInvoke* invoke) { 851d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray // The inputs plus one temp. 852d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary* locations = new (arena_) LocationSummary(invoke, 853d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary::kCall, 854d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray kIntrinsified); 855d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray InvokeRuntimeCallingConvention calling_convention; 856d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); 857d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); 858d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray locations->SetOut(Location::RegisterLocation(R0)); 859d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray} 860d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 861d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffrayvoid IntrinsicCodeGeneratorARM::VisitStringCompareTo(HInvoke* invoke) { 862d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray ArmAssembler* assembler = GetAssembler(); 863d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray LocationSummary* locations = invoke->GetLocations(); 864d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 865d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray // Note that the null check must have be done earlier. 866d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray DCHECK(!invoke->CanDoImplicitNullCheck()); 867d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 868d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray Register argument = locations->InAt(1).AsRegister<Register>(); 869d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ cmp(argument, ShifterOperand(0)); 870d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray SlowPathCodeARM* slow_path = new (GetAllocator()) IntrinsicSlowPathARM(invoke); 871d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray codegen_->AddSlowPath(slow_path); 872d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ b(slow_path->GetEntryLabel(), EQ); 873d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 874d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ LoadFromOffset( 875d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray kLoadWord, LR, TR, QUICK_ENTRYPOINT_OFFSET(kArmWordSize, pStringCompareTo).Int32Value()); 876d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ blx(LR); 877d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray __ Bind(slow_path->GetExitLabel()); 878d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray} 879d75948ac93a4a317feaf136cae78823071234ba5Nicolas Geoffray 8802bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe// Unimplemented intrinsics. 8812bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8822bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe#define UNIMPLEMENTED_INTRINSIC(Name) \ 8832bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicLocationsBuilderARM::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ 8842bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} \ 8852bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampevoid IntrinsicCodeGeneratorARM::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ 8862bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} 8872bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 8882bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(IntegerReverse) 8892bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(IntegerReverseBytes) 8902bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(LongReverse) 8912bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(LongReverseBytes) 8922bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(ShortReverseBytes) 8932bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinDoubleDouble) 8942bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinFloatFloat) 8952bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxDoubleDouble) 8962bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxFloatFloat) 8972bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMinLongLong) 8982bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathMaxLongLong) 8992bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathCeil) // Could be done by changing rounding mode, maybe? 9002bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathFloor) // Could be done by changing rounding mode, maybe? 9012bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRint) 9022bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRoundDouble) // Could be done by changing rounding mode, maybe? 9032bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(MathRoundFloat) // Could be done by changing rounding mode, maybe? 9042bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(UnsafeCASLong) // High register pressure. 9052bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(SystemArrayCopyChar) 9062bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(StringIsEmpty) // Might not want to do these two anyways, inlining should 9072bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(StringLength) // be good enough here. 9082bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(StringIndexOf) 9092bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(StringIndexOfAfter) 9102bcf9bf784a0021630d8fe63d7230d46d6891780Andreas GampeUNIMPLEMENTED_INTRINSIC(ReferenceGetReferent) 9112bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe 9122bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} // namespace arm 9132bcf9bf784a0021630d8fe63d7230d46d6891780Andreas Gampe} // namespace art 914