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 5 //go:build (386 || amd64 || amd64p32) && gc 6 7 package cpu 8 9 // cpuid is implemented in cpu_x86.s for gc compiler 10 // and in cpu_gccgo.c for gccgo. 11 func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) 12 13 // xgetbv with ecx = 0 is implemented in cpu_x86.s for gc compiler 14 // and in cpu_gccgo.c for gccgo. 15 func xgetbv() (eax, edx uint32) 16