[Bug 3533] HotSpot generates code with unaligned stack, crashes on SSE operations

bugzilla-daemon at icedtea.classpath.org bugzilla-daemon at icedtea.classpath.org
Wed Mar 21 22:39:43 UTC 2018


https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3533

Andrew John Hughes <gnu.andrew at redhat.com> changed:

           What    |Removed                     |Added
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                URL|https://bugs.openjdk.java.n |https://bugs.openjdk.java.n
                   |et/browse/JDK-8197429       |et/browse/JDK-8199936

--- Comment #11 from Andrew John Hughes <gnu.andrew at redhat.com> ---
(In reply to Maciej S. Szmigiero from comment #10)
> (In reply to James Le Cuirot from comment #9)
> > The first reply says that Gentoo is not a supported configuration but
> > hopefully they realise that most distributions will build their packages
> > without the optimisations that make this break.
> 
> The generated code still violates i386 psABI so sooner or later this will
> bite,
> even on an other distribution, for example when calling some optimized
> native library from Java code.

Thanks for filing the bug.

I still don't see what has changed here to cause this bug. You've noted
yourself that the code in the VM hasn't changed recently, so something else in
your stack (gcc, linker, kernel, glibc) must have changed in order for this bug
to surface.

It's also still not clear to me how to reproduce this.

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