[aarch64-port-dev ] RFR: JDK-8184964 AArch64: Incorrect match rule for negL_reg

[Felix Yang]

Good catch, also looks good to me.  Pushed.  Thanks.

On 20 July 2017 at 16:39, Andrew Dinn <adinn at redhat.com> wrote:

> On 20/07/17 09:31, Zhongwei Yao wrote:
> > Hi, all,
> > Before this patch, negative operation "-x", where x is long type, will
> > generating:
> >   mov x10, xzr
> >   sub x0, x10, x1
> >
> > After applying this patch:
> >   neg x0, x1
> >
> > And this patch passes all jtreg tests.
> >
> > Bug:
> > *https://bugs.openjdk.java.net/browse/JDK-8184964
> > <https://bugs.openjdk.java.net/browse/JDK-8184964>*
> >
> > Webrev:
> > *http://cr.openjdk.java.net/~yzhang/8184964/webrev.00/
> > <http://cr.openjdk.java.net/~yzhang/8184964/webrev.00/>*
> >
> > Please help to review it.
> Yes, that's a very good catch!
>
> Reviewed ok by me.
>
> regards,
>
>
> Andrew Dinn
> -----------
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