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List:       openjdk-ppc-aix-port-dev
Subject:    Re: Problems in C2 on ppc64/ppc64le due to CompactStrings
From:       Volker Simonis <volker.simonis () gmail ! com>
Date:       2015-11-18 18:10:32
Message-ID: CA+3eh12geQht=mp5+2r7Q5rqmuzjb=8z7+LMYwaq8X+wsEtvQQ () mail ! gmail ! com
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..and you'll probably also need to use -XX:-SpecialStringCompareTo and
-XX:-SpecialStringIndexOf until we fix it for CompressedStrings...

On Wed, Nov 18, 2015 at 6:36 PM, Volker Simonis <volker.simonis@gmail.com>
wrote:

> Hi,
>
> we are currently facing some problems in the C2 compiler on ppc64/ppc64le
> which are caused by the integration of the new CompactStrings feature. The
> errors manifest in various, mostly string related Java errors or
> NULLPointer exceptions. Running with '-Xcomp' will also result in an
> immediate crash.
>
> We are currently working on a fix for this problem but until we find it
> you can workaround the problem by using the XX:-SpecialStringEquals option.
>
> Regards,
> Volker
>
>

[Attachment #3 (text/html)]

<div dir="ltr">..and you&#39;ll probably also need to use -XX:-SpecialStringCompareTo \
and -XX:-SpecialStringIndexOf until we fix it for CompressedStrings...<br></div><div \
class="gmail_extra"><br><div class="gmail_quote">On Wed, Nov 18, 2015 at 6:36 PM, \
Volker Simonis <span dir="ltr">&lt;<a href="mailto:volker.simonis@gmail.com" \
target="_blank">volker.simonis@gmail.com</a>&gt;</span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><div dir="ltr"><div><div><div><div>Hi,<br><br></div>we are \
currently facing some problems in the C2 compiler on ppc64/ppc64le which are caused \
by the integration of the new CompactStrings feature. The errors manifest in various, \
mostly string related Java errors or NULLPointer exceptions. Running with \
&#39;-Xcomp&#39; will also result in an immediate crash.<br><br></div>We are \
currently working on a fix for this problem but until we find it you can workaround \
the problem by using the XX:-SpecialStringEquals \
option.<br><br></div>Regards,<br></div>Volker<br><br></div> \
</blockquote></div><br></div>



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