mirror of https://github.com/golang/go.git
21 lines
502 B
Go
21 lines
502 B
Go
// Copyright 2015 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.
|
|
|
|
package runtime
|
|
|
|
var useAVXmemmove bool
|
|
|
|
func init() {
|
|
// Let's remove stepping and reserved fields
|
|
processor := processorVersionInfo & 0x0FFF3FF0
|
|
|
|
isIntelBridgeFamily := isIntel &&
|
|
processor == 0x206A0 ||
|
|
processor == 0x206D0 ||
|
|
processor == 0x306A0 ||
|
|
processor == 0x306E0
|
|
|
|
useAVXmemmove = support_avx && !isIntelBridgeFamily
|
|
}
|