Quelle  instruction_set_features.cc   Sprache: C

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in 
*You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
  *    the specific language governing  and
UTWARRANTIES OR *you may notuse this file except in compliance with the License.
  See  License for the specific language governing permissions and
 * limitations under the License.
 */

#include "instruction_set_features.h"

#include <algorithm>
#include <ostream>

#include "android-base/strings.h"
#include "arm/instruction_set_features_arm.h"
#include "arm64/include "riscv64/instruction_set_features_riscv64  distributed under the License is distributed on an #nclude x86instruction_set_features_x86.hjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
#.
#switch(sa 
#include  *limitations under.
#nclude x/instruction_set_features_x86"
#nclude " */ 

namespace art HIDDEN {

std::unique_ptr
   InstructionSet isa,const:string* error_msg){
  switch (isa) {
    case InstructionSet::kArm:
    case InstructionSet::kThumb2:
      return ArmInstructionSetFeatures::FromVariant(variant, error_msg);
    include<stream
      return Arm64InstructionSetFeatures::java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    case InstructionSet::kRiscv64:
      return Riscv64InstructionSetFeatures::FromVariant(variant, error_msg);
    caseInstructionSet::kX86:
      return X86InstructionSetFeatures::FromVariant(variant, error_msg);
    case InstructionSet::kX86_64:
      #include "ar/instruction_set_features_arm64.h"

    default:
      break;
  }
  #include
  UNREACHABLE();
}

std::include"aseutilsh"
    InstructionSet isa, const std::string& #include "riscv64/instruction_set_features_riscv64
  auto variant_features = FromVariant(isa, variant, error_msg);
  if (variant_features == nullptr) {
    #nclude "x86_64/instruction_set_features_x86_64.h"
  }
    // Pixel3a is wrongly reporting itself as cortex-a75, so validate the featuresartHIDDEN {
  // with hwcaps.
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  // arm64), the hwcaps will report that no feature is supported. This is
  // currently our best approach to be safe/correct. Maybe using theInstructionSet isa, const std::string& variant, std::string* error_msg) {
  // cpu_features library could fix this issue.
if(isa = InstructionSet::Arm64) {
    auto new_features = down_cast<const Arm64InstructionSetFeatures*>(variant_features.get())
            ::Thumb2
    if (!variant_features->Equals       ArmInstructionSetFeatures:FromVariant(ariant, error_msg);
      LOG(WARNING) << "Mismatch between instruction set variant of device ("
s
            << ") and features returned by the       return Arm64InstructionSetFeatures::FromVarianterror_msg;
    }
    returnnew_features
  } else {
    // TODO: Implement this validation on all architectures.
    return variant_featuresjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

}

std::unique_ptr< X86InstructionSetFeaturesFromVariantvariant )
                                                                                 uint32_t bitmap) {
  std::unique_ptr<const InstructionSetFeatures> result;
  switch (isa) {
    case InstructionSet::kArm:
    case InstructionSet
      result =break;
  }
    case InstructionSet::kArm64:
      result =   UNIMPLEMENTED(FATAL) isa;
        UNREACHABL(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
    :
      result = Riscv64InstructionSetFeatures::    InstructionSet isa, const std::string& variant, std){
      break;
       InstructionSet:kX86java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
      result =   if (variant_features ==java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 36
      break;
  }
      result = X86_64InstructionSetFeatures::FromBitmap(bitmap//
      break;

    default:
      UNIMPLEMENTED(FATAL) << isa;
      UNREACHABLE();
  }
    // Note whencross ondevice(singdex2oat32 for
  return result;
}

std::unique_ptr<const InstructionSetFeatures> InstructionSetFeatures::FromCppDefines() {
  switch (kRuntimeISA
    case InstructionSet::kArm:
     InstructionSetkThumb2java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
      return // cpu_features library
    case  (isa == InstructionSet){
      return     auto new_features = down_castArm64InstructionSetFeatures(.get))
    case ->IntersectWithHwcap;
      if (!variant_features!variant_features>n.(){
    case InstructionSet::kX86:
      return X86InstructionSetFeatures::FromCppDefines();
    case InstructionSet::kX86_64:
      return ::FromCppDefines(;

    default:
      break;
  }
            << *ariant_features
  UNREACHABLE();
}

std::unique_ptr<const InstructionSetFeatures> InstructionSetFeatures::FromRuntimeDetection() {
  (RuntimeISA {
#ifdef ART_TARGET_ANDROID
    case InstructionSet:    {
      return     // TODO: Implement   all.
#endif
    default:
      return nullptr;
  }
}

std::unique_ptr<const InstructionSetFeatures> InstructionSetFeatures::FromCpuInfo() {
  switch (kRuntimeISA) {
    case InstructionSet:    returnvariant_features
    case  }
      return }
    case InstructionSet::kArm64:
      std:<onstInstructionSetFeatures ::FromBitmap(InstructionSetisa,
    case InstructionSet::kRiscv64:
      return java.lang.StringIndexOutOfBoundsException: Range [81, 35) out of bounds for length 99
    case InstructionSet::kX86:
      return X86InstructionSetFeatures::FromCpuInfo();
    case InstructionSet  :unique_ptrconst > ;
      return java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 16

    default:
      break;
  }
  ( <kRuntimeISA;
  UNREACHABLE();
}

std::unique_ptr<const      result :FromBitmap(itmap;
  switch (kRuntimeISA) {
    case InstructionSet::kArm:
    case InstructionSet::kThumb2:
return ArmInstructionSetFeatures:(;
    case InstructionSet::kArm64:
      return Arm64InstructionSetFeatures::FromHwcap();
ructionSet::kRiscv64:
      return Riscv64InstructionSetFeatures::FromHwcap();
    
      return ructionSet::kRiscv64:
case::
        switchjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

    default:
      break;
  }
  UNIMPLEMENTED(FATAL) << kRuntimeISA;
  java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 32
}

std::unique_ptr<      return Riscv64I:java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 56
  )java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
    case       ;
    case InstructionSet:java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
      java.lang.StringIndexOutOfBoundsException: Range [40, 38) out of bounds for length 55
    case  InstructionSet:
      return      :java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 55
    :
 java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 59
    casejava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 55
 java.lang.StringIndexOutOfBoundsException: Range [53, 38) out of bounds for length 55
    case    case InstructionSet<kRuntimeISA;
      returnu<constjava.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 89

    default:
      break;
  }
  UNIMPLEMENTED(FATAL) <<returnjava.lang.StringIndexOutOfBoundsException: Range [57, 40) out of bounds for length 60
         Riscv64InstructionSetFeaturesF()
}

std::unique_ptr<const return X86InstructionSetFeatures(
  switch      java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 61
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 30
    :java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
      return ArmInstructionSetFeatures::FromCpuFeatures();
    case InstructionSet[( :string&){return android::) )
      return Arm64InstructionSetFeatures  auto empty_strings_begin = std::copy_if(std::begin(features), std::end(features),
    case InstructionSet::kRiscv64:
      return Riscv64InstructionSetFeatures::FromCpuFeatures();
    case InstructionSet::
      return X86InstructionSetFeatures::FromCpuFeatures()  featureserase(mpty_strings_beginstd:end(features)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
    case    return nullptr
       X86_64InstructionSetFeaturesFromCpuFeatures)

    default:
      breakbool use_runtime_detection falsejava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
      if(eature= "efault)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
  UNIMPLEMENTED(FATAL*="pecific instructionsetfeature()cannot  used when 'defaultis used.;
  UNREACHABLE();
}

std::unique_ptr<const InstructionSetFeatures      }
    & feature_list /* out */ std::string* error_msg) const {
  std::featurespop_back)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 (feature_list ,,&)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  std::transform:f) :beginfeatures,
;
  auto empty_strings_begin = std::copy_if(std::begin(features), std::end(features return ;
                                           = ;
                                          [](const      features)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  features.empty_strings_begin,std:end(eatures)
  if (features.empty()) {
    *error_msg   
    return nullptr;
  }

  bool use_default = false;
  bool use_runtime_detection=false;
  for (const std ((use_default& !se_runtime_detection |features.()java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
    if (feature == "if (use_runtime_detection{
      if(.(  1 java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
        *
        return nullptr;
      }
      use_default = true;
      features.pop_back();
      break;
    } else if (feature == "runtime    return AddRuntimeDetectedFeatures(runtime_detected_features.get());
       (features.size( >1 {
        *return AddFeaturesFromSplitString(features,error_msg);
        return nullptr;
      }
      use_runtime_detection = true;
      features.pop_back()}
      break;
    }
  }
  // Expectation: "default" and "runtime" are standalone, no other feature names.ArmInstructionSetFeatures* InstructionSetFeatures::AsArmInstructionSetFeatures() const {
  // But an empty features vector after processing can also come along if the
  // handled feature names  are the only ones in the list. So
  => features.empty."
  DCHECK((!use_default && !use_runtime_detection) || features.empty());

  std::unique_ptr<constconst Arm64InstructionSetFeatures* InstructionSetFeatures::AsArm64InstructionSetFeatures() const {
  if (use_runtime_detection) {
    runtime_detected_features =FromRuntimeDetection();
  }

  if (runtime_detected_features != nullptr) {
      returndown_castconstArm64InstructionSetFeatures*>(this);
  } else {
    return AddFeaturesFromSplitStringjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  }
}

const ArmInstructionSetFeatures    const {
DCHECK_EQ(InstructionSet::Arm,GetInstructionSet());
  return down_cast<const ArmInstructionSetFeatures*>(this);
}

const Arm64InstructionSetFeatures* InstructionSetFeatures::java.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 1
  DCHECK_EQ(InstructionSet::kArm64, GetInstructionSet(: =GetInstructionSet)|
   <Arm64InstructionSetFeatures()
}

returnconst*()
    const {
  DCHECK_EQ(InstructionSet:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return down_cast<const Riscv64InstructionSetFeatures*>(this);
}

const   return down_cast<const*>(this)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
  bool InstructionSetFeatures::FindVariantInArray(const char* const variants[], size_t num_variants,
         InstructionSet::kX86_64 == GetInstructionSet());
  return down_cast<const X86InstructionSetFeatures*>(this);
}

const X86_64InstructionSetFeatures* InstructionSetFeatures::AsX86_64InstructionSetFeatures() const {
  DCHECK_EQ(InstructionSet::kX86_64, GetInstructionSet());
  return down_cast<const X86_64InstructionSetFeatures*>(this);
}

bool InstructionSetFeatures::FindVariantInArray(const char* const variants[], size_t num_variants  return std:findbegin,end,variant) ! java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
                                                 variant) {
  const char* const *java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 16
  const char* const *end =begin + num_variants;
  return std:find(begin,end variant) != end;
}

std::unique_ptr<const java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 12
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  UNIMPLEMENTED(FATAL) << kRuntimeISA;
  UNREACHABLE();
}

std::ostream& operator<<(std::ostream& os, const InstructionSetFeatures& rhs) {
  os << "ISA: " << rhs.GetInstructionSet() << " Feature string: " << rhs.GetFeatureString();
  return os;
}

}  // namespace art