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Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
v8::internal::FPRegister Struct Reference

#include <assembler-arm64.h>

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Public Member Functions

 FPRegister ()
 
 FPRegister (const CPURegister &r)
 
 FPRegister (const FPRegister &r)
 
bool IsValid () const
 
bool IsAllocatable () const
 
- Public Member Functions inherited from v8::internal::CPURegister
unsigned code () const
 
RegisterType type () const
 
RegList Bit () const
 
unsigned SizeInBits () const
 
int SizeInBytes () const
 
bool Is32Bits () const
 
bool Is64Bits () const
 
bool IsValid () const
 
bool IsValidOrNone () const
 
bool IsValidRegister () const
 
bool IsValidFPRegister () const
 
bool IsNone () const
 
bool Is (const CPURegister &other) const
 
bool Aliases (const CPURegister &other) const
 
bool IsZero () const
 
bool IsSP () const
 
bool IsRegister () const
 
bool IsFPRegister () const
 
Register X () const
 
Register W () const
 
FPRegister D () const
 
FPRegister S () const
 
bool IsSameSizeAndType (const CPURegister &other) const
 
bool is (const CPURegister &other) const
 
bool is_valid () const
 

Static Public Member Functions

static FPRegister Create (unsigned code, unsigned size)
 
static FPRegister SRegFromCode (unsigned code)
 
static FPRegister DRegFromCode (unsigned code)
 
static int NumAllocatableRegisters ()
 
static int NumAllocatableAliasedRegisters ()
 
static FPRegister FromAllocationIndex (unsigned int index)
 
static const char * AllocationIndexToString (int index)
 
static int ToAllocationIndex (FPRegister reg)
 
static FPRegister from_code (int code)
 
- Static Public Member Functions inherited from v8::internal::CPURegister
static CPURegister Create (unsigned code, unsigned size, RegisterType type)
 

Static Public Attributes

static const int kMaxNumRegisters = kNumberOfFPRegisters
 
static const unsigned kAllocatableLowRangeBegin = 0
 
static const unsigned kAllocatableLowRangeEnd = 14
 
static const unsigned kAllocatableHighRangeBegin = 16
 
static const unsigned kAllocatableHighRangeEnd = 28
 
static const RegList kAllocatableFPRegisters = 0x1fff7fff
 
static const int kAllocatableRangeGapSize
 
static const int kMaxNumAllocatableRegisters
 

Additional Inherited Members

- Public Types inherited from v8::internal::CPURegister
enum  RegisterType { kInvalid = 0 , kRegister , kFPRegister , kNoRegister }
 
- Public Attributes inherited from v8::internal::CPURegister
unsigned reg_code
 
unsigned reg_size
 
RegisterType reg_type
 

Detailed Description

Definition at line 222 of file assembler-arm64.h.

Constructor & Destructor Documentation

◆ FPRegister() [1/3]

v8::internal::FPRegister::FPRegister ( )
inline

Definition at line 228 of file assembler-arm64.h.

228  {
229  reg_code = 0;
230  reg_size = 0;
231  reg_type = CPURegister::kNoRegister;
232  }

References v8::internal::CPURegister::kNoRegister, v8::internal::CPURegister::reg_code, v8::internal::CPURegister::reg_size, and v8::internal::CPURegister::reg_type.

Referenced by Create().

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◆ FPRegister() [2/3]

v8::internal::FPRegister::FPRegister ( const CPURegister &  r)
inlineexplicit

Definition at line 234 of file assembler-arm64.h.

234  {
235  reg_code = r.reg_code;
236  reg_size = r.reg_size;
237  reg_type = r.reg_type;
238  DCHECK(IsValidOrNone());
239  }
DCHECK
#define DCHECK(condition)
Definition: logging.h:205

References DCHECK, v8::internal::CPURegister::IsValidOrNone(), v8::internal::CPURegister::reg_code, v8::internal::CPURegister::reg_size, and v8::internal::CPURegister::reg_type.

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◆ FPRegister() [3/3]

v8::internal::FPRegister::FPRegister ( const FPRegister &  r)
inline

Definition at line 241 of file assembler-arm64.h.

241  { // NOLINT(runtime/explicit)
242  reg_code = r.reg_code;
243  reg_size = r.reg_size;
244  reg_type = r.reg_type;
245  DCHECK(IsValidOrNone());
246  }

References DCHECK, v8::internal::CPURegister::IsValidOrNone(), v8::internal::CPURegister::reg_code, v8::internal::CPURegister::reg_size, and v8::internal::CPURegister::reg_type.

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Member Function Documentation

◆ AllocationIndexToString()

static const char* v8::internal::FPRegister::AllocationIndexToString ( int  index)
inlinestatic

Definition at line 297 of file assembler-arm64.h.

297  {
298  DCHECK((index >= 0) && (index < NumAllocatableRegisters()));
299  DCHECK((kAllocatableLowRangeBegin == 0) &&
300  (kAllocatableLowRangeEnd == 14) &&
301  (kAllocatableHighRangeBegin == 16) &&
302  (kAllocatableHighRangeEnd == 28));
303  const char* const names[] = {
304  "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
305  "d8", "d9", "d10", "d11", "d12", "d13", "d14",
306  "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23",
307  "d24", "d25", "d26", "d27", "d28"
308  };
309  return names[index];
310  }
v8::internal::FPRegister::kAllocatableHighRangeBegin
static const unsigned kAllocatableHighRangeBegin
Definition: assembler-arm64.h:265
v8::internal::FPRegister::kAllocatableHighRangeEnd
static const unsigned kAllocatableHighRangeEnd
Definition: assembler-arm64.h:266
v8::internal::FPRegister::kAllocatableLowRangeBegin
static const unsigned kAllocatableLowRangeBegin
Definition: assembler-arm64.h:263
v8::internal::FPRegister::NumAllocatableRegisters
static int NumAllocatableRegisters()
Definition: assembler-arm64.h:277
v8::internal::FPRegister::kAllocatableLowRangeEnd
static const unsigned kAllocatableLowRangeEnd
Definition: assembler-arm64.h:264

References DCHECK, kAllocatableHighRangeBegin, kAllocatableHighRangeEnd, kAllocatableLowRangeBegin, kAllocatableLowRangeEnd, and NumAllocatableRegisters().

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◆ Create()

static FPRegister v8::internal::FPRegister::Create ( unsigned  code,
unsigned  size 
)
inlinestatic

Definition at line 223 of file assembler-arm64.h.

223  {
224  return FPRegister(
225  CPURegister::Create(code, size, CPURegister::kFPRegister));
226  }
size
enable harmony numeric enable harmony object literal extensions Optimize object size
Definition: flag-definitions.h:188
v8::internal::CPURegister::Create
static CPURegister Create(unsigned code, unsigned size, RegisterType type)
Definition: assembler-arm64.h:51

References v8::internal::CPURegister::code(), v8::internal::CPURegister::Create(), FPRegister(), v8::internal::CPURegister::kFPRegister, and size.

Referenced by DRegFromCode(), from_code(), and SRegFromCode().

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◆ DRegFromCode()

FPRegister v8::internal::FPRegister::DRegFromCode ( unsigned  code)
inlinestatic

Definition at line 234 of file assembler-arm64-inl.h.

234  {
235  DCHECK(code < kNumberOfFPRegisters);
236  return FPRegister::Create(code, kDRegSizeInBits);
237 }
v8::internal::kDRegSizeInBits
const unsigned kDRegSizeInBits
Definition: constants-arm64.h:56
v8::internal::kNumberOfFPRegisters
const unsigned kNumberOfFPRegisters
Definition: constants-arm64.h:34
v8::internal::FPRegister::Create
static FPRegister Create(unsigned code, unsigned size)
Definition: assembler-arm64.h:223

References v8::internal::CPURegister::code(), Create(), DCHECK, v8::internal::kDRegSizeInBits, and v8::internal::kNumberOfFPRegisters.

Referenced by v8::internal::CPURegister::D().

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◆ from_code()

static FPRegister v8::internal::FPRegister::from_code ( int  code)
inlinestatic

Definition at line 321 of file assembler-arm64.h.

321  {
322  // Always return a D register.
323  return FPRegister::Create(code, kDRegSizeInBits);
324  }

References v8::internal::CPURegister::code(), Create(), and v8::internal::kDRegSizeInBits.

Referenced by FromAllocationIndex().

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◆ FromAllocationIndex()

static FPRegister v8::internal::FPRegister::FromAllocationIndex ( unsigned int  index)
inlinestatic

Definition at line 289 of file assembler-arm64.h.

289  {
290  DCHECK(index < static_cast<unsigned>(NumAllocatableRegisters()));
291 
292  return (index <= kAllocatableLowRangeEnd)
293  ? from_code(index)
294  : from_code(index + kAllocatableRangeGapSize);
295  }
v8::internal::FPRegister::kAllocatableRangeGapSize
static const int kAllocatableRangeGapSize
Definition: assembler-arm64.h:271
v8::internal::FPRegister::from_code
static FPRegister from_code(int code)
Definition: assembler-arm64.h:321

References DCHECK, from_code(), kAllocatableLowRangeEnd, kAllocatableRangeGapSize, and NumAllocatableRegisters().

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◆ IsAllocatable()

bool v8::internal::FPRegister::IsAllocatable ( ) const
inline

Definition at line 285 of file assembler-arm64.h.

285  {
286  return (Bit() & kAllocatableFPRegisters) != 0;
287  }
v8::internal::FPRegister::kAllocatableFPRegisters
static const RegList kAllocatableFPRegisters
Definition: assembler-arm64.h:268

References v8::internal::CPURegister::Bit(), and kAllocatableFPRegisters.

Referenced by ToAllocationIndex().

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◆ IsValid()

bool v8::internal::FPRegister::IsValid ( ) const
inline

Definition at line 248 of file assembler-arm64.h.

248  {
249  DCHECK(IsFPRegister() || IsNone());
250  return IsValidFPRegister();
251  }

References DCHECK, v8::internal::CPURegister::IsFPRegister(), v8::internal::CPURegister::IsNone(), and v8::internal::CPURegister::IsValidFPRegister().

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◆ NumAllocatableAliasedRegisters()

static int v8::internal::FPRegister::NumAllocatableAliasedRegisters ( )
inlinestatic

Definition at line 280 of file assembler-arm64.h.

280  {
281  return NumAllocatableRegisters();
282  }

References NumAllocatableRegisters().

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◆ NumAllocatableRegisters()

static int v8::internal::FPRegister::NumAllocatableRegisters ( )
inlinestatic

Definition at line 277 of file assembler-arm64.h.

277 { return kMaxNumAllocatableRegisters; }
v8::internal::FPRegister::kMaxNumAllocatableRegisters
static const int kMaxNumAllocatableRegisters
Definition: assembler-arm64.h:274

References kMaxNumAllocatableRegisters.

Referenced by AllocationIndexToString(), FromAllocationIndex(), and NumAllocatableAliasedRegisters().

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◆ SRegFromCode()

FPRegister v8::internal::FPRegister::SRegFromCode ( unsigned  code)
inlinestatic

Definition at line 228 of file assembler-arm64-inl.h.

228  {
229  DCHECK(code < kNumberOfFPRegisters);
230  return FPRegister::Create(code, kSRegSizeInBits);
231 }
v8::internal::kSRegSizeInBits
const unsigned kSRegSizeInBits
Definition: constants-arm64.h:52

References v8::internal::CPURegister::code(), Create(), DCHECK, v8::internal::kNumberOfFPRegisters, and v8::internal::kSRegSizeInBits.

Referenced by v8::internal::CPURegister::S().

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◆ ToAllocationIndex()

static int v8::internal::FPRegister::ToAllocationIndex ( FPRegister  reg)
inlinestatic

Definition at line 312 of file assembler-arm64.h.

312  {
313  DCHECK(reg.IsAllocatable());
314  unsigned code = reg.code();
315 
316  return (code <= kAllocatableLowRangeEnd)
317  ? code
318  : code - kAllocatableRangeGapSize;
319  }

References v8::internal::CPURegister::code(), DCHECK, IsAllocatable(), kAllocatableLowRangeEnd, and kAllocatableRangeGapSize.

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Member Data Documentation

◆ kAllocatableFPRegisters

const RegList v8::internal::FPRegister::kAllocatableFPRegisters = 0x1fff7fff
static

Definition at line 268 of file assembler-arm64.h.

Referenced by IsAllocatable().

◆ kAllocatableHighRangeBegin

const unsigned v8::internal::FPRegister::kAllocatableHighRangeBegin = 16
static

Definition at line 265 of file assembler-arm64.h.

Referenced by AllocationIndexToString().

◆ kAllocatableHighRangeEnd

const unsigned v8::internal::FPRegister::kAllocatableHighRangeEnd = 28
static

Definition at line 266 of file assembler-arm64.h.

Referenced by AllocationIndexToString().

◆ kAllocatableLowRangeBegin

const unsigned v8::internal::FPRegister::kAllocatableLowRangeBegin = 0
static

Definition at line 263 of file assembler-arm64.h.

Referenced by AllocationIndexToString().

◆ kAllocatableLowRangeEnd

const unsigned v8::internal::FPRegister::kAllocatableLowRangeEnd = 14
static

Definition at line 264 of file assembler-arm64.h.

Referenced by AllocationIndexToString(), FromAllocationIndex(), and ToAllocationIndex().

◆ kAllocatableRangeGapSize

const int v8::internal::FPRegister::kAllocatableRangeGapSize
static
Initial value:
=
(kAllocatableHighRangeBegin - kAllocatableLowRangeEnd) - 1

Definition at line 271 of file assembler-arm64.h.

Referenced by FromAllocationIndex(), and ToAllocationIndex().

◆ kMaxNumAllocatableRegisters

const int v8::internal::FPRegister::kMaxNumAllocatableRegisters
static
Initial value:
=
(kAllocatableLowRangeEnd - kAllocatableLowRangeBegin + 1) +
(kAllocatableHighRangeEnd - kAllocatableHighRangeBegin + 1)

Definition at line 274 of file assembler-arm64.h.

Referenced by NumAllocatableRegisters().

◆ kMaxNumRegisters

const int v8::internal::FPRegister::kMaxNumRegisters = kNumberOfFPRegisters
static

Definition at line 257 of file assembler-arm64.h.

The documentation for this struct was generated from the following files: