RFR(S) [backport 11]: 8209511: C2 asserts with UseSSE < 4 and AVX enabled: "Label was never bound to a location, but it was used as a jmp target

Tobias Hartmann tobias.hartmann at oracle.com
Wed Dec 12 12:24:03 UTC 2018


Hi Paul,

On 11.12.18 18:20, Hohensee, Paul wrote:
> Webrev: http://cr.openjdk.java.net/~phh/8206075.8208480.8209511/webrev.00/

Looks good to me.

> Would someone (perhaps Tobias, who fixed it? :)) please apply the patch and run
> “java -XX:UseSSE=3 -version” to verify that there’s no crash?

I've built and executed your backport with and without 8209511. As expected, I hit the assert [1]
without and don't see any issues with the fix for 8209511 included.

Best regards,
Tobias

[1] assert(is_bound() || is_unused()) failed: Label was never bound to a location, but it was used
as a jmp target


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