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Macros
#define	INLINE_KEYWORD

#define	FORCE_INLINE_ATTR

#define	FORCE_INLINE_TEMPLATE static INLINE_KEYWORD FORCE_INLINE_ATTR

#define	HINT_INLINE static INLINE_KEYWORD FORCE_INLINE_ATTR

#define	UNUSED_ATTR

#define	FORCE_NOINLINE static

#define	__has_attribute(x) 0 /* Compatibility with non-clang compilers. */

#define	TARGET_ATTRIBUTE(target)

#define	DYNAMIC_BMI2 0

#define	PREFETCH_L1(ptr) (void)(ptr) /* disabled */

#define	PREFETCH_L2(ptr) (void)(ptr) /* disabled */

#define	CACHELINE_SIZE 64

#define	PREFETCH_AREA(p, s)

#define	DONT_VECTORIZE

#define	LIKELY(x) (x)

#define	UNLIKELY(x) (x)

Macro Definition Documentation

◆ __has_attribute

#define __has_attribute ( x ) 0 /* Compatibility with non-clang compilers. */

Definition at line 84 of file compiler.h.

◆ CACHELINE_SIZE

#define CACHELINE_SIZE 64

Definition at line 129 of file compiler.h.

◆ DONT_VECTORIZE

#define DONT_VECTORIZE

Definition at line 149 of file compiler.h.

◆ DYNAMIC_BMI2

#define DYNAMIC_BMI2 0

Definition at line 103 of file compiler.h.

◆ FORCE_INLINE_ATTR

#define FORCE_INLINE_ATTR

Definition at line 31 of file compiler.h.

◆ FORCE_INLINE_TEMPLATE

#define FORCE_INLINE_TEMPLATE static INLINE_KEYWORD FORCE_INLINE_ATTR

FORCE_INLINE_TEMPLATE is used to define C "templates", which take constant parameters. They must be inlined for the compiler to eliminate the constant branches.

Definition at line 46 of file compiler.h.

◆ FORCE_NOINLINE

#define FORCE_NOINLINE static

Definition at line 78 of file compiler.h.

◆ HINT_INLINE

#define HINT_INLINE static INLINE_KEYWORD FORCE_INLINE_ATTR

HINT_INLINE is used to help the compiler generate better code. It is not used for "templates", so it can be tweaked based on the compilers performance.

gcc-4.8 and gcc-4.9 have been shown to benefit from leaving off the always_inline attribute.

clang up to 5.0.0 (trunk) benefit tremendously from the always_inline attribute.

Definition at line 61 of file compiler.h.

◆ INLINE_KEYWORD

#define INLINE_KEYWORD

Definition at line 23 of file compiler.h.

◆ LIKELY

#define LIKELY ( x ) (x)

Definition at line 161 of file compiler.h.

◆ PREFETCH_AREA

#define PREFETCH_AREA	(	p,
		s
	)

Value:

    {            \
    const char* const _ptr = (const char*)(p);  \
    size_t const _size = (size_t)(s);     \
    size_t _pos;                          \
    for (_pos=0; _pos<_size; _pos+=CACHELINE_SIZE) {  \
        PREFETCH_L2(_ptr + _pos);         \
    }                                     \
}

Definition at line 131 of file compiler.h.

◆ PREFETCH_L1

#define PREFETCH_L1 ( ptr ) (void)(ptr) /* disabled */

Definition at line 124 of file compiler.h.

◆ PREFETCH_L2

#define PREFETCH_L2 ( ptr ) (void)(ptr) /* disabled */

Definition at line 125 of file compiler.h.

◆ TARGET_ATTRIBUTE

#define TARGET_ATTRIBUTE ( target )

Definition at line 89 of file compiler.h.

◆ UNLIKELY

#define UNLIKELY ( x ) (x)

Definition at line 162 of file compiler.h.

◆ UNUSED_ATTR

#define UNUSED_ATTR

Definition at line 68 of file compiler.h.

Macros