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

[Hohensee, Paul]

I'm going by what 8209511 says. :)

Thanks very much for helping out!

Paul

On 12/11/18, 9:47 AM, "Aleksey Shipilev" <shade at redhat.com> wrote:

    On 12/11/18 6:31 PM, Aleksey Shipilev wrote:
    > On 12/11/18 6:20 PM, Hohensee, Paul wrote:
    >> Webrev: http://cr.openjdk.java.net/~phh/8206075.8208480.8209511/webrev.00/
    >>
    >> The patches apply cleanly, but the one for 8209511 needs a machine with AVX enabled to test it,
    >> which I don’t have. 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?
    > You sure -version is enough?
    > 
    > Passes on my i7-7820X with each of these:
    > 
    >  -XX:UseSSE=0
    >  -XX:UseSSE=1
    >  -XX:UseSSE=2
    >  -XX:UseSSE=3
    >  -XX:UseSSE=4 (last supported)
    >  -XX:UseAVX=0
    >  -XX:UseAVX=1
    >  -XX:UseAVX=2
    >  -XX:UseAVX=3 (last supported)
    
    It does not fail this either:
    
    CONF=linux-x86_64-normal-server-fastdebug make images run-test
    TEST=compiler/cpuflags/TestSSE4Disabled.java
    
    ...but then it does not fail without patch too :)
    
    -Aleksey