1// Copyright 2025 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
 5package cpu
 6
 7// HWCAP bits. These are exposed by the Linux kernel.
 8const (
 9	hwcap_LOONGARCH_LSX  = 1 << 4
10	hwcap_LOONGARCH_LASX = 1 << 5
11)
12
13func doinit() {
14	// TODO: Features that require kernel support like LSX and LASX can
15	// be detected here once needed in std library or by the compiler.
16	Loong64.HasLSX = hwcIsSet(hwCap, hwcap_LOONGARCH_LSX)
17	Loong64.HasLASX = hwcIsSet(hwCap, hwcap_LOONGARCH_LASX)
18}
19
20func hwcIsSet(hwc uint, val uint) bool {
21	return hwc&val != 0
22}