[12] RFR(S): 8209511: C2 asserts with UseSSE < 4 and AVX enabled: "Label was never bound to a location, but it was used as a jmp target'

Vladimir Kozlov vladimir.kozlov at oracle.com
Wed Aug 15 14:15:25 UTC 2018


This looks correct.

Thanks,
Vladimir

On 8/15/18 5:17 AM, Tobias Hartmann wrote:
> Hi,
> 
> please review the following patch:
> https://bugs.openjdk.java.net/browse/JDK-8209511
> http://cr.openjdk.java.net/~thartmann/8209511/webrev.00/
> 
> The problem is that the 'below_threshold' label is used by the UseAVX > 2 code but only bound if
> UseSSE > 3. This didn't break before the verification code (JDK-8206075) was added because we would
> just jump to the next instruction. I've also fixed some spelling in the comments.
> 
> Tested manually on AVX512 machine with -XX:UseSSE=3.
> 
> Thanks,
> Tobias
> 


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