tree 3827241a34ef14417db095fe9856dad56fdf92f5
parent 9f5ed59c137dcb0852024edd2e71af63c2d67707
author Guoqi Chen <chenguoqi@loongson.cn> 1654862769 +0800
committer Austin Clements <austin@google.com> 1655223698 +0000

unix: always zero the higher bits of return value on linux/loong64 syscalls

All loong64 syscalls return values only via R4/A0, and R5/A1 may contain
unrelated content. Always zero the second return value.

Change-Id: Ic889f33158c4e4999bd94bd768d1094e95bc6421
Reviewed-on: https://go-review.googlesource.com/c/sys/+/411634
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: David Chase <drchase@google.com>