gcc/libgo/go/internal/cpu/cpu_mips64x.go
Ian Lance Taylor 8dc2499aa6 libgo: update to Go1.18beta2
gotools/
	* Makefile.am (go_cmd_cgo_files): Add ast_go118.go
	(check-go-tool): Copy golang.org/x/tools directories.
	* Makefile.in: Regenerate.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
2022-02-11 15:01:19 -08:00

32 lines
674 B
Go

// Copyright 2019 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.
//go:build mips64 || mips64le
package cpu
// const CacheLinePadSize = 32
// This is initialized by archauxv and should not be changed after it is
// initialized.
var HWCap uint
// HWCAP bits. These are exposed by the Linux kernel 5.4.
const (
// CPU features
hwcap_MIPS_MSA = 1 << 1
)
func doinit() {
options = []option{
{Name: "msa", Feature: &MIPS64X.HasMSA},
}
// HWCAP feature bits
MIPS64X.HasMSA = isSet(HWCap, hwcap_MIPS_MSA)
}
func isSet(hwc uint, value uint) bool {
return hwc&value != 0
}