[Bug target/57754] Loongson 3A is MIPS64R2-compatible

[root at heiher dot info]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57754

--- Comment #1 from Heiher <root at heiher dot info> ---
Created attachment 30409
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30409&action=edit
Patch