RFR: 8253048: AArch64: When CallLeaf, no need to preserve callee-saved registers in caller

[Joshua Zhu]

> >  - 8253048: AArch64: When CallLeaf, no need to preserve callee-saved
> > registers in caller
> >
> > Changes: https://git.openjdk.java.net/jdk/pull/129/files
> >  Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=129&range=00
> >   Issue: https://bugs.openjdk.java.net/browse/JDK-8253048
> >   Stats: 22 lines in 2 files changed: 0 ins; 0 del; 22 mod
> >   Patch: https://git.openjdk.java.net/jdk/pull/129.diff
> >   Fetch: git fetch https://git.openjdk.java.net/jdk
> > pull/129/head:pull/129
> >
> > PR: https://git.openjdk.java.net/jdk/pull/129
> 
> That looks right. I take it that you've checked everywhere else for misuse of
> callee-saved vector registers.

Andrew, Thanks a lot for your review.
Yes. I checked all occurrences of "V8-V15" in aarch64 codes.

Best Regards,
Joshua