v8::internal::UseScratchRegisterScope Class Reference

#include <macro-assembler-arm64.h>

Collaboration diagram for v8::internal::UseScratchRegisterScope:

Public Member Functions
	UseScratchRegisterScope (MacroAssembler *masm)
	~UseScratchRegisterScope ()
Register	AcquireW ()
Register	AcquireX ()
FPRegister	AcquireS ()
FPRegister	AcquireD ()
Register	UnsafeAcquire (const Register &reg)
Register	AcquireSameSizeAs (const Register &reg)
FPRegister	AcquireSameSizeAs (const FPRegister &reg)

Static Private Member Functions
static CPURegister	AcquireNextAvailable (CPURegList *available)
static CPURegister	UnsafeAcquire (CPURegList *available, const CPURegister &reg)

Private Attributes
CPURegList *	available_
CPURegList *	availablefp_
RegList	old_available_
RegList	old_availablefp_

Detailed Description

Definition at line 2227 of file macro-assembler-arm64.h.

Constructor & Destructor Documentation

UseScratchRegisterScope()

v8::internal::UseScratchRegisterScope::UseScratchRegisterScope ( MacroAssembler *  masm )

inlineexplicit

Definition at line 2229 of file macro-assembler-arm64.h.

      : available_(masm->TmpList()),
        availablefp_(masm->FPTmpList()),
        old_available_(available_->list()),
        old_availablefp_(availablefp_->list()) {
    DCHECK(available_->type() == CPURegister::kRegister);
    DCHECK(availablefp_->type() == CPURegister::kFPRegister);
  }

References available_, availablefp_, DCHECK, v8::internal::CPURegister::kFPRegister, v8::internal::CPURegister::kRegister, and v8::internal::CPURegList::type().

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~UseScratchRegisterScope()

v8::internal::UseScratchRegisterScope::~UseScratchRegisterScope

(

)

Member Function Documentation

AcquireD()

FPRegister v8::internal::UseScratchRegisterScope::AcquireD ( )

inline

Definition at line 2245 of file macro-assembler-arm64.h.

{ return AcquireNextAvailable(availablefp_).D(); }

References AcquireNextAvailable(), availablefp_, and v8::internal::CPURegister::D().

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AcquireNextAvailable()

static CPURegister v8::internal::UseScratchRegisterScope::AcquireNextAvailable ( CPURegList *  available )

staticprivate

Referenced by AcquireD(), AcquireS(), AcquireW(), and AcquireX().

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AcquireS()

FPRegister v8::internal::UseScratchRegisterScope::AcquireS ( )

inline

Definition at line 2244 of file macro-assembler-arm64.h.

{ return AcquireNextAvailable(availablefp_).S(); }

References AcquireNextAvailable(), availablefp_, and v8::internal::CPURegister::S().

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AcquireSameSizeAs() [1/2]

FPRegister v8::internal::UseScratchRegisterScope::AcquireSameSizeAs

(

const FPRegister &

reg

)

AcquireSameSizeAs() [2/2]

Register v8::internal::UseScratchRegisterScope::AcquireSameSizeAs

(

const Register &

reg

)

Referenced by v8::internal::MacroAssembler::Fcmp().

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AcquireW()

Register v8::internal::UseScratchRegisterScope::AcquireW ( )

inline

Definition at line 2242 of file macro-assembler-arm64.h.

{ return AcquireNextAvailable(available_).W(); }

References AcquireNextAvailable(), available_, and v8::internal::CPURegister::W().

Referenced by v8::internal::MacroAssembler::Fmov().

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AcquireX()

Register v8::internal::UseScratchRegisterScope::AcquireX ( )

inline

Definition at line 2243 of file macro-assembler-arm64.h.

{ return AcquireNextAvailable(available_).X(); }

References AcquireNextAvailable(), available_, and v8::internal::CPURegister::X().

Referenced by v8::internal::MacroAssembler::BumpSystemStackPointer(), v8::internal::MacroAssembler::JumpIfBothSmi(), v8::internal::MacroAssembler::JumpIfEitherSmi(), and v8::internal::MacroAssembler::Push().

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UnsafeAcquire() [1/2]

Register v8::internal::UseScratchRegisterScope::UnsafeAcquire ( const Register &  reg )

inline

Definition at line 2247 of file macro-assembler-arm64.h.

                                              {
    return Register(UnsafeAcquire(available_, reg));
  }

References available_.

Referenced by v8::internal::LCodeGen::BASE_EMBEDDED::PushSafepointRegistersScope().

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UnsafeAcquire() [2/2]

static CPURegister v8::internal::UseScratchRegisterScope::UnsafeAcquire ( CPURegList *  available, const CPURegister &  reg  )

staticprivate

Member Data Documentation

available_

CPURegList* v8::internal::UseScratchRegisterScope::available_

private

Definition at line 2260 of file macro-assembler-arm64.h.

Referenced by AcquireW(), AcquireX(), UnsafeAcquire(), and UseScratchRegisterScope().

availablefp_

CPURegList* v8::internal::UseScratchRegisterScope::availablefp_

private

Definition at line 2261 of file macro-assembler-arm64.h.

Referenced by AcquireD(), AcquireS(), and UseScratchRegisterScope().

old_available_

RegList v8::internal::UseScratchRegisterScope::old_available_

private

Definition at line 2264 of file macro-assembler-arm64.h.

old_availablefp_

RegList v8::internal::UseScratchRegisterScope::old_availablefp_

private

Definition at line 2265 of file macro-assembler-arm64.h.

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The documentation for this class was generated from the following file:

• /mnt/V8SourceCode/src/arm64/macro-assembler-arm64.h