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Source file src/internal/cpu/cpu.go

Documentation: internal/cpu

  // 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 cpu
  
  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
  	HasBMI1      bool
  	HasBMI2      bool
  	HasERMS      bool
  	HasOSXSAVE   bool
  	HasPCLMULQDQ bool
  	HasPOPCNT    bool
  	HasSSE2      bool
  	HasSSE3      bool
  	HasSSSE3     bool
  	HasSSE41     bool
  	HasSSE42     bool
  	_            [CacheLineSize]byte
  }
  

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