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  1. // Copyright 2018 The Go Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style
  3. // license that can be found in the LICENSE file.
  4. // +build 386 amd64 amd64p32
  5. // +build !gccgo
  6. package cpu
  7. // cpuid is implemented in cpu_x86.s for gc compiler
  8. // and in cpu_gccgo.c for gccgo.
  9. func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
  10. // xgetbv with ecx = 0 is implemented in cpu_x86.s for gc compiler
  11. // and in cpu_gccgo.c for gccgo.
  12. func xgetbv() (eax, edx uint32)