cmd/asm: add support for loong64 CRC32 instructions
This patch is a copy of CL 478595. Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Ifb6e8183c83a5dfe5dec84e173a74d5de62692a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/623875 Reviewed-by: Carlos Amedee <carlos@golang.org> Reviewed-by: abner chenc <chenguoqi@loongson.cn> Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>