xs/vendor/github.com/templexxx/cpufeat/cpu.go

// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package cpu implements processor feature detection
// used by the Go standard libary.
package cpufeat

var X86 x86

// The booleans in x86 contain the correspondingly named cpuid feature bit.
// HasAVX and HasAVX2 are only set if the OS does support XMM and YMM registers
// in addition to the cpuid feature bit being set.
// The struct is padded to avoid false sharing.
type x86 struct {
	_            [CacheLineSize]byte
	HasAES       bool
	HasAVX       bool
	HasAVX2      bool
	HasAVX512    bool
	HasBMI1      bool
	HasBMI2      bool
	HasERMS      bool
	HasOSXSAVE   bool
	HasPCLMULQDQ bool
	HasPOPCNT    bool
	HasSSE2      bool
	HasSSE3      bool
	HasSSSE3     bool
	HasSSE41     bool
	HasSSE42     bool
	_            [CacheLineSize]byte
}