[aarch64-port-dev ] RFR(S): 8205474 - AARCH64: wrong zr encoding for ccmp instruction

[Dmitrij Pochepko]

Thank you for review!


On 21.06.2018 16:56, Andrew Haley wrote:
> On 06/21/2018 02:42 PM, Dmitrij Pochepko wrote:
>> please review small patch for 8205474 - AARCH64: wrong zr encoding for
>> ccmp instruction
>>
>> ccmp instruction hits assert while trying to compare with zero register.
>> Root reason is that zero register needs special handling: zr has
>> internal number 32 in hotspot, while AARCH64 spec require number 31.
> Oh Lord, I wrote that horrible code.  I'm sorry.  It was a long time ago.
> :-)
>
>> This patch fix it.
>>
>> webrev: http://cr.openjdk.java.net/~dpochepk/8205474/webrev.01/
>>
>> CR: https://bugs.openjdk.java.net/browse/JDK-8205474
> OK, thanks.
>