cmd/internal/obj: add FuncInfo SPWRITE flag for linux/loong64
Co-authored-by: limeidan <limeidan@loongson.cn>
Change-Id: Iac4f706fc9ff1047f1fa02f7178ebfbe38ad1ec3
Reviewed-on: https://go-review.googlesource.com/c/go/+/407754
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: WANG Xuerui <git@xen0n.name>
Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com>