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// +build 386 amd64 amd64p32 7// +build gc 8 9package cpu 10 11// cpuid is implemented in cpu_x86.s for gc compiler 12// and in cpu_gccgo.c for gccgo. 13func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) 14 15// xgetbv with ecx = 0 is implemented in cpu_x86.s for gc compiler 16// and in cpu_gccgo.c for gccgo. 17func xgetbv() (eax, edx uint32) 18 19// darwinSupportsAVX512 is implemented in cpu_x86.s for gc compiler 20// and in cpu_gccgo_x86.go for gccgo. 21func darwinSupportsAVX512() bool 22