[Bug target/77308] surprisingly large stack usage for sha512 on arm

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77308

--- Comment #62 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Both parts of the patch are now posted for review:

https://gcc.gnu.org/ml/gcc-patches/2016-11/msg00523.html

https://gcc.gnu.org/ml/gcc-patches/2016-11/msg00830.html