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Macros
#define	__RELAXED_FN_ATTRS __attribute__((__always_inline__, __nodebug__))

#define	_tzcnt_u16(a) (__tzcnt_u16((a)))

#define	_tzcnt_u32(a) (__tzcnt_u32((a)))

#define	__DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi")))

#define	_andn_u32(a, b) (__andn_u32((a), (b)))

#define	_blsi_u32(a) (__blsi_u32((a)))

#define	_blsmsk_u32(a) (__blsmsk_u32((a)))

#define	_blsr_u32(a) (__blsr_u32((a)))

Functions
static __inline__ unsigned short __RELAXED_FN_ATTRS	__tzcnt_u16 (unsigned short __X)
	Counts the number of trailing zero bits in the operand.

static __inline__ unsigned int __RELAXED_FN_ATTRS	__tzcnt_u32 (unsigned int __X)
	Counts the number of trailing zero bits in the operand.

static __inline__ int __RELAXED_FN_ATTRS	_mm_tzcnt_32 (unsigned int __X)
	Counts the number of trailing zero bits in the operand.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	__andn_u32 (unsigned int __X, unsigned int __Y)
	Performs a bitwise AND of the second operand with the one's complement of the first operand.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	__bextr_u32 (unsigned int __X, unsigned int __Y)
	Extracts the specified bits from the first operand and returns them in the least significant bits of the result.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	_bextr_u32 (unsigned int __X, unsigned int __Y, unsigned int __Z)
	Extracts the specified bits from the first operand and returns them in the least significant bits of the result.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	_bextr2_u32 (unsigned int __X, unsigned int __Y)
	Extracts the specified bits from the first operand and returns them in the least significant bits of the result.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	__blsi_u32 (unsigned int __X)
	Clears all bits in the source except for the least significant bit containing a value of 1 and returns the result.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	__blsmsk_u32 (unsigned int __X)
	Creates a mask whose bits are set to 1, using bit 0 up to and including the least significant bit that is set to 1 in the source operand and returns the result.

static __inline__ unsigned int __DEFAULT_FN_ATTRS	__blsr_u32 (unsigned int __X)
	Clears the least significant bit that is set to 1 in the source operand and returns the result.

Macro Definition Documentation

◆ __DEFAULT_FN_ATTRS

#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi")))

Definition at line 118 of file bmiintrin.h.

◆ __RELAXED_FN_ATTRS

#define __RELAXED_FN_ATTRS __attribute__((__always_inline__, __nodebug__))

Definition at line 20 of file bmiintrin.h.

◆ _andn_u32

#define _andn_u32	(	a,
		b
	)	(__andn_u32((a), (b)))

Definition at line 120 of file bmiintrin.h.

◆ _blsi_u32

#define _blsi_u32 ( a ) (__blsi_u32((a)))

Definition at line 123 of file bmiintrin.h.

◆ _blsmsk_u32

#define _blsmsk_u32 ( a ) (__blsmsk_u32((a)))

Definition at line 125 of file bmiintrin.h.

◆ _blsr_u32

#define _blsr_u32 ( a ) (__blsr_u32((a)))

Definition at line 127 of file bmiintrin.h.

◆ _tzcnt_u16

#define _tzcnt_u16 ( a ) (__tzcnt_u16((a)))

Definition at line 22 of file bmiintrin.h.

◆ _tzcnt_u32

#define _tzcnt_u32 ( a ) (__tzcnt_u32((a)))

Definition at line 72 of file bmiintrin.h.

Function Documentation

◆ __andn_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS __andn_u32	(	unsigned int	__X,
		unsigned int	__Y
	)

static

Performs a bitwise AND of the second operand with the one's complement of the first operand.

This intrinsic corresponds to the ANDN instruction.

Parameters

__X	An unsigned integer containing one of the operands.
__Y	An unsigned integer containing one of the operands.

Returns: An unsigned integer containing the bitwise AND of the second operand with the one's complement of the first operand.

Definition at line 143 of file bmiintrin.h.

◆ __bextr_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS __bextr_u32	(	unsigned int	__X,
		unsigned int	__Y
	)

static

Extracts the specified bits from the first operand and returns them in the least significant bits of the result.

This intrinsic corresponds to the BEXTR instruction.

Parameters

__X	An unsigned integer whose bits are to be extracted.
__Y	An unsigned integer used to specify which bits are extracted. Bits [7:0] specify the index of the least significant bit. Bits [15:8] specify the number of bits to be extracted.

Returns: An unsigned integer whose least significant bits contain the extracted bits.

See also: _bextr_u32

Definition at line 166 of file bmiintrin.h.

◆ __blsi_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS __blsi_u32 ( unsigned int __X )

static

Clears all bits in the source except for the least significant bit containing a value of 1 and returns the result.

This intrinsic corresponds to the BLSI instruction.

Parameters

__X	An unsigned integer whose bits are to be cleared.

Returns: An unsigned integer containing the result of clearing the bits from the source operand.

Definition at line 230 of file bmiintrin.h.

◆ __blsmsk_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS __blsmsk_u32 ( unsigned int __X )

static

Creates a mask whose bits are set to 1, using bit 0 up to and including the least significant bit that is set to 1 in the source operand and returns the result.

This intrinsic corresponds to the BLSMSK instruction.

Parameters

__X	An unsigned integer used to create the mask.

Returns: An unsigned integer containing the newly created mask.

Definition at line 247 of file bmiintrin.h.

◆ __blsr_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS __blsr_u32 ( unsigned int __X )

static

Clears the least significant bit that is set to 1 in the source operand and returns the result.

This intrinsic corresponds to the BLSR instruction.

Parameters

__X	An unsigned integer containing the operand to be cleared.

Returns: An unsigned integer containing the result of clearing the source operand.

Definition at line 264 of file bmiintrin.h.

◆ __tzcnt_u16()

static __inline__ unsigned short __RELAXED_FN_ATTRS __tzcnt_u16 ( unsigned short __X )

static

Counts the number of trailing zero bits in the operand.

This intrinsic corresponds to the TZCNT instruction.

Parameters

__X	An unsigned 16-bit integer whose trailing zeros are to be counted.

Returns: An unsigned 16-bit integer containing the number of trailing zero bits in the operand.

Definition at line 35 of file bmiintrin.h.

◆ __tzcnt_u32()

static __inline__ unsigned int __RELAXED_FN_ATTRS __tzcnt_u32 ( unsigned int __X )

static

Counts the number of trailing zero bits in the operand.

This intrinsic corresponds to the TZCNT instruction.

Parameters

__X	An unsigned 32-bit integer whose trailing zeros are to be counted.

Returns: An unsigned 32-bit integer containing the number of trailing zero bits in the operand.

Definition at line 51 of file bmiintrin.h.

◆ _bextr2_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS _bextr2_u32	(	unsigned int	__X,
		unsigned int	__Y
	)

static

Extracts the specified bits from the first operand and returns them in the least significant bits of the result.

This intrinsic corresponds to the BEXTR instruction.

Parameters

__X	An unsigned integer whose bits are to be extracted.
__Y	An unsigned integer used to specify which bits are extracted. Bits [7:0] specify the index of the least significant bit. Bits [15:8] specify the number of bits to be extracted.

Returns: An unsigned integer whose least significant bits contain the extracted bits.

See also: __bextr_u32

Definition at line 214 of file bmiintrin.h.

◆ _bextr_u32()

static __inline__ unsigned int __DEFAULT_FN_ATTRS _bextr_u32	(	unsigned int	__X,
		unsigned int	__Y,
		unsigned int	__Z
	)

static

Extracts the specified bits from the first operand and returns them in the least significant bits of the result.

This intrinsic corresponds to the BEXTR instruction.

Parameters

__X	An unsigned integer whose bits are to be extracted.
__Y	An unsigned integer used to specify the index of the least significant bit for the bits to be extracted. Bits [7:0] specify the index.
__Z	An unsigned integer used to specify the number of bits to be extracted. Bits [7:0] specify the number of bits.

Returns: An unsigned integer whose least significant bits contain the extracted bits.

See also: __bextr_u32

Definition at line 191 of file bmiintrin.h.

◆ _mm_tzcnt_32()

static __inline__ int __RELAXED_FN_ATTRS _mm_tzcnt_32 ( unsigned int __X )

static

Counts the number of trailing zero bits in the operand.

This intrinsic corresponds to the TZCNT instruction.

Parameters

__X	An unsigned 32-bit integer whose trailing zeros are to be counted.

Returns: An 32-bit integer containing the number of trailing zero bits in the operand.

Definition at line 67 of file bmiintrin.h.

Macros

Functions

Macro Definition Documentation

◆ __DEFAULT_FN_ATTRS

◆ __RELAXED_FN_ATTRS

◆ _andn_u32

◆ _blsi_u32

◆ _blsmsk_u32

◆ _blsr_u32

◆ _tzcnt_u16

◆ _tzcnt_u32

Function Documentation

◆ __andn_u32()

◆ __bextr_u32()

◆ __blsi_u32()

◆ __blsmsk_u32()

◆ __blsr_u32()

◆ __tzcnt_u16()

◆ __tzcnt_u32()

◆ _bextr2_u32()

◆ _bextr_u32()

◆ _mm_tzcnt_32()