qsimd_p.h File Reference

(bc83d91d4e3575ba688d65e12860c05b3fb1dcbd)

#include <QtCore/private/qglobal_p.h>
#include <QtCore/qsimd.h>
#include <stdatomic.h>

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Macros
#define	ALIGNMENT_PROLOGUE_16BYTES(ptr, i, length)
#define	ALIGNMENT_PROLOGUE_32BYTES(ptr, i, length)
#define	SIMD_EPILOGUE(i, length, max)
#define	QT_COMPILER_SUPPORTS(x)
#define	QT_COMPILER_SUPPORTS_HERE(x)
#define	QT_FUNCTION_TARGET(x)
#define	Q_ATOMIC(T)
#define	qCpuHasFeature(feature)

Typedefs
typedef unsigned	QCpuFeatureType

Enumerations
enum	CPUFeatures

Functions
Q_CORE_EXPORT	Q_ATOMIC (QCpuFeatureType) QT_MANGLE_NAMESPACE(qt_cpu_features)[1]
Q_CORE_EXPORT uint64_t QT_MANGLE_NAMESPACE	qDetectCpuFeatures ()
static uint64_t	qCpuFeatures ()

Variables
static const uint64_t	qCompilerCpuFeatures = 0

Macro Definition Documentation

ALIGNMENT_PROLOGUE_16BYTES

#define ALIGNMENT_PROLOGUE_16BYTES	(		ptr,
			i,
			length )

Value:

for (; i < static_cast<int>(qMin(static_cast<quintptr>(length), ((4 - ((reinterpret_cast<quintptr>(ptr) >> 2) & 0x3)) & 0x3))); ++i)

Definition at line 28 of file qsimd_p.h.

ALIGNMENT_PROLOGUE_32BYTES

#define ALIGNMENT_PROLOGUE_32BYTES	(		ptr,
			i,
			length )

Value:

for (; i < static_cast<int>(qMin(static_cast<quintptr>(length), ((8 - ((reinterpret_cast<quintptr>(ptr) >> 2) & 0x7)) & 0x7))); ++i)

Definition at line 31 of file qsimd_p.h.

Q_ATOMIC

#define Q_ATOMIC

(

T

)

Value:

_Atomic(T)

Definition at line 443 of file qsimd_p.h.

qCpuHasFeature

#define qCpuHasFeature

(

feature

)

Value:

(((qCompilerCpuFeatures & CpuFeature ## feature) == CpuFeature ## feature) \
|| ((qCpuFeatures() & CpuFeature ## feature) == CpuFeature ## feature))

Definition at line 471 of file qsimd_p.h.

QT_COMPILER_SUPPORTS

#define QT_COMPILER_SUPPORTS

(

x

)

Value:

(defined QT_COMPILER_SUPPORTS_##x && QT_COMPILER_SUPPORTS_##x)

Definition at line 101 of file qsimd_p.h.

QT_COMPILER_SUPPORTS_HERE

#define QT_COMPILER_SUPPORTS_HERE

(

x

)

Value:

(defined __##x##__ && __##x##__)

Definition at line 140 of file qsimd_p.h.

QT_FUNCTION_TARGET

#define QT_FUNCTION_TARGET

(

x

)

Definition at line 141 of file qsimd_p.h.

SIMD_EPILOGUE

#define SIMD_EPILOGUE	(		i,
			length,
			max )

Value:

for (int _i = 0; _i < max && i < length; ++i, ++_i)

Definition at line 34 of file qsimd_p.h.

Typedef Documentation

QCpuFeatureType

typedef unsigned QCpuFeatureType

Definition at line 452 of file qsimd_p.h.

Enumeration Type Documentation

CPUFeatures

enum CPUFeatures

Definition at line 382 of file qsimd_p.h.

Function Documentation

Q_ATOMIC()

Q_CORE_EXPORT Q_ATOMIC ( QCpuFeatureType ) )[1]

extern

qCpuFeatures()

uint64_t qCpuFeatures ( )

inlinestatic

Definition at line 457 of file qsimd_p.h.

qDetectCpuFeatures()

Q_CORE_EXPORT uint64_t QT_MANGLE_NAMESPACE qDetectCpuFeatures

(

)

Definition at line 631 of file qsimd.cpp.

References detectProcessorFeatures(), features_indices, features_string, and SimdInitialized.

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Variable Documentation

qCompilerCpuFeatures

const uint64_t qCompilerCpuFeatures = 0

static

Definition at line 399 of file qsimd_p.h.

Referenced by qDumpCPUFeatures().