RFR (S) 8220656 : ARM32: -XX:MaxVectorSize=16 makes SIGILL

dean.long at oracle.com dean.long at oracle.com
Tue May 14 20:48:12 UTC 2019


Looks fine, but you might want to print a warning if you override the 
user's choice.

dl

On 5/14/19 8:39 AM, Boris Ulasevich wrote:
> Hi all,
>
> Please review a simple change to prevent VLD1/VST1 instructions 
> generation on ARM32 processor without SIMD support. The change 
> overrides MaxVectorSize option set up by user to a value acceptable by 
> the hardware.
>
> https://bugs.openjdk.java.net/browse/JDK-8220656
> http://cr.openjdk.java.net/~bulasevich/8220656/webrev.01/
>
> thanks,
> Boris



More information about the hotspot-dev mailing list