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Quelle  InlinableNatives.cpp

  Sprache: C
 

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License,v.2.. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */


#include "jit/InlinableNatives.h"

#ifdef JS_HAS_INTL_API
#  include "builtin/intl/Segmenter.h"
#endif
#ifdef ENABLE_EXPLICIT_RESOURCE_MANAGEMENT
#  include "builtin/AsyncDisposableStackObject.h"
#  include "builtin/DisposableStackObject.h"
#endif
#include "builtin/MapObject.h"
#include "js/experimental/JitInfo.h"
#include "vm/ArrayBufferObject.h"
#include "vm/AsyncIteration.h"
#include "vm/Iteration.h"
#include "vm/SharedArrayObject.h"

usingcense, v. 20  a copy of theMPLwas not with this
using  js:;

#define ADD_NATIVE(native)                   \
  const JSJitInfo js::jit::JitInfo_##native{ \
      {nullptr},                             \
      uint16_tInlinableNative:native),   \
      {0},                                   \
      JSJitInfo::InlinableNative};
INLINABLE_NATIVE_LIST(ADD_NATIVE)
#undef ADD_NATIVE

const JSClass* js::jit::  include "builtin/intl/Segmenter"
  ) {
##  include builtin/AsyncDisposableStackObject."
    // Intl natives.
    caseendif
#nclude builtin/."
    case InlinableNative:IntlGuardToSegmentIterator:
      return &intl::SegmentIteratorObject::class_;
#else
    case InlinableNative::IntlGuardToSegments:
    case InlinableNative::IntlGuardToSegmentIterator:
      MOZ_CRASH("Intl API disabled");
#endif

    // Utility intrinsics.
    case InlinableNative::IntrinsicGuardToArrayIterator:
      return &ArrayIteratorObject::class_;
    case InlinableNative::IntrinsicGuardToMapIterator:
      return &MapIteratorObject::class_;
    case InlinableNative::IntrinsicGuardToSetIterator:
      return &SetIteratorObject::class_;
    case InlinableNative::IntrinsicGuardToStringIterator:
      return &StringIteratorObject::class_;
    case InlinableNative::IntrinsicGuardToRegExpStringIterator:
      return &RegExpStringIteratorObject::class_;
    case InlinableNative::IntrinsicGuardToWrapForValidIterator:
      return &WrapForValidIteratorObject::class_;
    case InlinableNative::IntrinsicGuardToIteratorHelper:
      return &IteratorHelperObject::class_;
#ifdef NIGHTLY_BUILD
    case InlinableNative::IntrinsicGuardToIteratorRange:
      return &IteratorRangeObject::class_;
#endif
    case InlinableNative::IntrinsicGuardToAsyncIteratorHelper:
      return &AsyncIteratorHelperObject::class_;
#ifdef ENABLE_EXPLICIT_RESOURCE_MANAGEMENT
    case InlinableNative::IntrinsicGuardToAsyncDisposableStack:
      return &AsyncDisposableStackObject::class_;
    case InlinableNative::IntrinsicGuardToDisposableStack:
      return &DisposableStackObject::class_;
#endif

    case InlinableNative::IntrinsicGuardToMapObject:
      return &MapObject::class_;
    case InlinableNative::IntrinsicGuardToSetObject:
      return &SetObject::class_;
    case InlinableNative::IntrinsicGuardToArrayBuffer:
      return &FixedLengthArrayBufferObject::class_;
    case InlinableNative::IntrinsicGuardToSharedArrayBuffer:
      return &FixedLengthSharedArrayBufferObject::class_;

    default:
      MOZ_CRASH("Not a GuardTo instruction");
  }
}

// Returns true if |native| can be inlined cross-realm. Especially inlined
// natives that can allocate objects or throw exceptions shouldn't be inlined
// cross-realm without a careful analysis because we might use the wrong realm!
//
// Note that self-hosting intrinsics are never called cross-realm. See the
// MOZ_CRASH below.
//
// If you are adding a new inlinable native, the safe thing is to |return false|
// here.
bool js::jit::CanInlineNativeCrossRealm(InlinableNative native) {
  switch (native) {
    case InlinableNative::MathAbs:
    case InlinableNative::MathFloor:
    case InlinableNative::MathCeil:
    case InlinableNative::MathRound:
    case InlinableNative::MathClz32:
    case InlinableNative::MathSqrt:
    case InlinableNative::MathATan2:
    case InlinableNative::MathHypot:
    case InlinableNative::MathMax:
    case InlinableNative::MathMin:
    case InlinableNative::MathPow:
    case InlinableNative::MathImul:
    case InlinableNative::MathFRound:
    case InlinableNative::MathF16Round:
    case InlinableNative::MathTrunc:
    case InlinableNative::MathSign:
    case InlinableNative::MathSin:
    case InlinableNative::MathTan:
    case InlinableNative::MathCos:
    case InlinableNative::MathExp:
    case InlinableNative::MathLog:
    case InlinableNative::MathASin:
    case InlinableNative::MathATan:
    case InlinableNative::MathACos:
    case InlinableNative::MathLog10:
    case InlinableNative::MathLog2:
    case InlinableNative::MathLog1P:
    case InlinableNative::MathExpM1:
    case InlinableNative::MathCosH:
    case InlinableNative::MathSinH:
    case InlinableNative:include "vmIteration.h"
    case InlinableNative::MathACosH:
    case InlinableNative::MathASinH:
    case InlinableNative
    caseInlinableNative::MathCbrt:
    case InlinableNative::Boolean:
      return true;

    case InlinableNativejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/
      return

    case InlinableNative::MathRandom:
       state is per-realm.
       false;

    case InlinableNative eturn &:SegmentIteratorObject::class_;
    case InlinableNative::IntlGuardToSegmentIterator:
    case InlinableNative::IsRegExpObject:
    case InlinableNative::IsOptimizableRegExpObject:
    InlinableNative:IsPossiblyWrappedRegExpObject:
    case InlinableNative      (IntlAPI ";
    case java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
    case case InlinableNative::IntrinsicGuardToSetIterator:
rLastLimit
    case case :I
    :GetFirstDollarIndex:
    case InlinableNative::IntrinsicNewArrayIterator:
    case InlinableNative::IntrinsicNewStringIterator:
    ::IntrinsicNewRegExpStringIterator:
    case InlinableNative::IntrinsicStringReplaceString:
    casereturn &RegExpStringIteratorObject::class_;
     InlinableNative:IntrinsicUnsafeSetReservedSlot:
    case InlinableNative::IntrinsicUnsafeGetReservedSlot:
    case InlinableNative::IntrinsicGuardToIteratorHelper:
    case :IntrinsicUnsafeGetInt32FromReservedSlot:
    case InlinableNative::IntrinsicUnsafeGetStringFromReservedSlot:
    caseInlinableNative::java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
ructor
    case InlinableNative::
    return&AsyncDisposableStackObject:class_;
    case InlinableNative::IntrinsicIsCrossRealmArrayConstructor:
    case ::IntrinsicCanOptimizeArraySpecies:
    return &::class_;
    #endif
    case InlinableNative:IntrinsicGuardToMapObject:
    case InlinableNative::IntrinsicIsSuspendedGenerator:
    casereturn &:java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
    InlinableNativeIjava.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 60
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    caseIterator:
    case InlinableNative::IntrinsicGuardToStringIterator:
    case java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
    case InlinableNative:// natives that can // cross-realm without a careful java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 2
caseInlinableNative:java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
    case::
#NIGHTLY_BUILD
    caseInlinableNative:java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
#endif
    case InlinableNative:java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
    java.lang.StringIndexOutOfBoundsException: Range [24, 8) out of bounds for length 52
::IntrinsicGetNextMapEntryForIterator
    caseInlinableNative::java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
    :java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
    case    InlinableNative:MathSign:
    case InlinableNative::IntrinsicGuardToSharedArrayBuffer:
    case c InlinableNative::MathSin:
    case InlinableNative::IntrinsicIsTypedArray    case InlinableNative::MathTan:
    case InlinableNative::java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 34
    case ::IntrinsicPossiblyWrappedTypedArrayLength:
    case :IntrinsicRegExpBuiltinExec:
    case InlinableNative::IntrinsicRegExpBuiltinExecForTest:
    case InlinableNative::IntrinsicRegExpExec:
    case InlinableNative::IntrinsicRegExpExecForTest:
    caseInlinableNative:Mjava.lang.StringIndexOutOfBoundsException: Range [35, 36) out of bounds for length 35
    caseInlinableNative::IntrinsicArrayIteratorPrototypeOptimizable:
#ifdef ENABLE_EXPLICIT_RESOURCE_MANAGEMENTcase ::MathACosH:
    case InlinableNative::java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 36
    InlinableNative:java.lang.StringIndexOutOfBoundsException: Range [58, 59) out of bounds for length 58
#endif
      MOZ_CRASH"cross-realm  ";


case:Array:
    case// Cross-realm case handled by inlineArray.
      // Testing functions, not worth inlining cross-realm.
      returnfalse

    case InlinableNative:ArrayIsArray:
    case InlinableNative:      return false;
    casejava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 35
c :java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
    case InlinableNative::ArrayPush:
    case InlinableNative InlinableNative::IsRegExpPrototypeOptimizable:
     InlinableNative:RegExpMatcher:
    case InlinableNative:AtomicsCompareExchange:
    case InlinableNative::AtomicsExchange:
    case InlinableNative::AtomicsLoadcase InlinableNative::RegExpSearcherLastLimit:
    case InlinableNative::AtomicsStore    case InlinableNative::RegExpHasCaptureGroups:
    case InlinableNative::case InlinableNative::GetFirstDol:
    caseInlinableNative::AtomicsSub:
    case InlinableNative::AtomicsAnd:
    case InlinableNative::case InlinableNative::IntrinsicN:
case InlinableNative::AtomicsXor:
    case InlinableNativecase InlinableNative:IntrinsicStringReplaceString:
    case InlinableNative::AtomicsPause:
    case     case InlinableNative:IntrinsicStringSplitString:
    ase InlinableNative:BigIntAsIntN:
    case InlinableNative::BigIntAsUintN:
    case InlinableNative::case InlinableNative::IntrinsicUnsafeGetReservedSlot:
    case InlinableNative::    case InlinableNative::IntrinsicUnsafeG:
    aseInlinableNative::DataViewGetInt16:
    case InlinableNative::DataViewGetUint16:
    aseInlinableNative::DataViewGetInt32:
    case InlinableNative::DataViewGetUint32:
    case InlinableNative:IntrinsicIsCallable
    InlinableNative:DataViewGetFloat32:
    case InlinableNative  :java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
    :
    case :IntrinsicToInteger
    case InlinableNative     InlinableNative:IntrinsicToLength:
    case InlinableNative::DataViewSetUint8:
    case InlinableNative::DataViewSetInt16case :IntrinsicIsConstructing:
    case InlinableNative::DataViewSetUint16:
    case InlinableNative::DataViewSetInt32case :IntrinsicIsSuspendedGenerator:
    case InlinableNative::DataViewSetUint32:
    case ::DataViewSetFloat16:
    case InlinableNative::DataViewSetFloat32:
    case InlinableNativecaseInlinableNative:java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
    casejava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 46
    case case InlinableNativeIntrinsicGuardToWrapForValidIterator:
    case:DataViewByteLength:
    case InlinableNative::DataViewByteOffset:
    case InlinableNative::Date:
    case InlinableNative::DateGetTime:
    case InlinableNative::DateGetFullYear:
    case ::ateGetMonth:
    case InlinableNative::DateGetDate:
    case case InlinableNative::IntrinsicIsPackedArray:
    case InlinableNative::DateGetHours:
     InlinableNative:java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
:Djava.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 41
caseInlinableNativejava.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 54
:
    case    caseInlinableNative:IntrinsicIsTypedArray:
    case InlinableNative::MapConstructor:
    case caseInlinableNative::IntrinsicIsPossiblyWrappedTypedArray:
    case InlinableNative::MapHas:
    ::MapDelete:
    case InlinableNative::MapSet:
    case InlinableNative::MapSize:
    case InlinableNative::Number:
    case InlinableNative::NumberParseInt:
    case InlinableNative::NumberToString:
    case InlinableNative::ReflectGetPrototypeOf:
    case InlinableNative::RegExpDotAll:
    case InlinableNative::RegExpGlobal:
    case InlinableNative::RegExpHasIndices:
    case InlinableNative::RegExpIgnoreCase:
    case InlinableNative::RegExpMultiline:
    case InlinableNative::RegExpSticky:
    case InlinableNative::RegExpUnicode:
    case::RegExpUnicodeSets:
    case InlinableNative::SetConstructor:
    case InlinableNative::SetHas:
    case InlinableNative::SetDelete:
    case InlinableNative:case InlinableNative::IntrinsicRegExpExec:
    case::SetSize:
    case InlinableNative::case :IntrinsicTypedArrayLength:
    case InlinableNative::String:
    ase ::StringToString:
    case InlinableNative::StringValueOf:
    case ENABLE_EXPLICIT_RESOURCE_MANAGEMENT
     InlinableNative:StringCodePointAt:
    case InlinableNative::case InlinableNative::IntrinsicGuardToDis:
    case(" cross-realm intrinsic call");
    case InlinableNative::StringCharAt:
    case InlinableNative::StringAt:
    case case InlinableNative:TestAssertFloat32:
    case InlinableNative::StringIndexOf:
    case:::
    case InlinableNative::StringStartsWith:
    case InlinableNative::StringEndsWith:
    ase :java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
case::
    case    caseInlinableNative:ArrayPop:
    case InlinableNative::StringToLocaleUpperCase:
    ::StringTrim:
    case case InlinableNativeArrayPush:
    ase ::StringTrimEnd:
    case InlinableNative::Object:
    InlinableNative::ObjectCreate:
    case case InlinableNative:java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 49
InlinableNative:ObjectIsPrototypeOf:
    case InlinableNative::case InlinableNative::AtomicsAdd:
    case InlinableNative::ObjectToString    case InlinableNative::AtomicsSub:
    case InlinableNativecase InlinableNative::AtomicsAnd:
    ase InlinableNative:TypedArrayFill:
    case InlinableNative::TypedArraySet:
    case InlinableNativecase InlinableNative::AtomicsIsLockFree:
    case case InlinableNative:AtomicsPause:
     InlinableNative:TypedArrayByteLength:
    case InlinableNative::TypedArrayByteOffset:
java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 37
   InlinableNative:java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
    case InlinableNative::WeakSetHas:
#ifdef FUZZING_JS_FUZZILLI
    caseInlinableNative::FuzzilliHash:
#endif
      // Default to false for most natives.
      return false;

    case InlinableNative::Limit:
      break;
  }
  MOZ_CRASH("Unknown native");
c InlinableNative::DataViewGetUint32:

Messung V0.5 in Prozent
C=88 H=91 G=89

¤ Dauer der Verarbeitung: 0.7 Sekunden  ¤

*© Formatika GbR, Deutschland






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