mlir::x86vector::MaskHelper Struct Reference

Helper class to factor out the creation and extraction of masks from nibs. More...

#include "mlir/Dialect/X86Vector/Transforms.h"

Static Public Member Functions
template<uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5, uint8_t b6, uint8_t b7>
static uint8_t	blend ()
	b0 captures the lowest bit, b7 captures the highest bit. More...
static void	extractBlend (uint8_t mask, uint8_t &b0, uint8_t &b1, uint8_t &b2, uint8_t &b3, uint8_t &b4, uint8_t &b5, uint8_t &b6, uint8_t &b7)
	b0 captures the lowest bit, b7 captures the highest bit. More...
template<unsigned b67, unsigned b45, unsigned b23, unsigned b01>
static uint8_t	shuffle ()
	b01 captures the lower 2 bits, b67 captures the higher 2 bits. More...
static void	extractShuffle (uint8_t mask, uint8_t &b01, uint8_t &b23, uint8_t &b45, uint8_t &b67)
	b01 captures the lower 2 bits, b67 captures the higher 2 bits. More...
template<unsigned b47, unsigned b03>
static uint8_t	permute ()
	b03 captures the lower 4 bits, b47 captures the higher 4 bits. More...
static void	extractPermute (uint8_t mask, uint8_t &b03, uint8_t &b47)
	b03 captures the lower 4 bits, b47 captures the higher 4 bits. More...

Detailed Description

Helper class to factor out the creation and extraction of masks from nibs.

Definition at line 24 of file Transforms.h.

Member Function Documentation

blend()

template<uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5, uint8_t b6, uint8_t b7>

static uint8_t mlir::x86vector::MaskHelper::blend ( )

inlinestatic

b0 captures the lowest bit, b7 captures the highest bit.

Meant to be used with instructions such as mm256BlendPs.

Definition at line 29 of file Transforms.h.

extractBlend()

static void mlir::x86vector::MaskHelper::extractBlend ( uint8_t  mask, uint8_t &  b0, uint8_t &  b1, uint8_t &  b2, uint8_t &  b3, uint8_t &  b4, uint8_t &  b5, uint8_t &  b6, uint8_t &  b7  )

inlinestatic

b0 captures the lowest bit, b7 captures the highest bit.

Meant to be used with instructions such as mm256BlendPs.

Definition at line 37 of file Transforms.h.

extractPermute()

static void mlir::x86vector::MaskHelper::extractPermute ( uint8_t  mask, uint8_t &  b03, uint8_t &  b47  )

inlinestatic

b03 captures the lower 4 bits, b47 captures the higher 4 bits.

Definition at line 76 of file Transforms.h.

extractShuffle()

static void mlir::x86vector::MaskHelper::extractShuffle ( uint8_t  mask, uint8_t &  b01, uint8_t &  b23, uint8_t &  b45, uint8_t &  b67  )

inlinestatic

b01 captures the lower 2 bits, b67 captures the higher 2 bits.

Definition at line 60 of file Transforms.h.

permute()

template<unsigned b47, unsigned b03>

static uint8_t mlir::x86vector::MaskHelper::permute ( )

inlinestatic

b03 captures the lower 4 bits, b47 captures the higher 4 bits.

Meant to be used with instructions such as mm256Permute2f128Ps.

Definition at line 70 of file Transforms.h.

shuffle()

template<unsigned b67, unsigned b45, unsigned b23, unsigned b01>

static uint8_t mlir::x86vector::MaskHelper::shuffle ( )

inlinestatic

b01 captures the lower 2 bits, b67 captures the higher 2 bits.

Meant to be used with instructions such as mm256ShufflePs.

Definition at line 52 of file Transforms.h.

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

• include/mlir/Dialect/X86Vector/Transforms.h