// 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 }