RFR (XS) 8223617: code_size2 needs adjustments

Schmelter, Ralf ralf.schmelter at sap.com
Thu May 9 13:20:38 UTC 2019

My guess would be http://hg.openjdk.java.net/jdk/jdk/rev/1851a532ddfe

-----Original Message-----
From: Volker Simonis <volker.simonis at gmail.com> 
Sent: Donnerstag, 9. Mai 2019 15:12
To: Schmelter, Ralf <ralf.schmelter at sap.com>
Cc: hotspot-compiler-dev at openjdk.java.net
Subject: Re: RFR (XS) 8223617: code_size2 needs adjustments

Looks good!

Just out of interest, do you know why we need more space now? Is it
because of the CPU or because another recent change that hasn't been
tested in the slowdebug mode yet?


On Thu, May 9, 2019 at 2:25 PM Schmelter, Ralf <ralf.schmelter at sap.com> wrote:
> Hi,
> on my Skylake Windows machine the current jdk/jdk fails with the following assertion:
> #  Internal Error (c:/priv/hg/openjdk/src/hotspot/share/runtime/stubRoutines.cpp:279), pid=42504, tid=131676
> #  assert(code_size2 == 0 || buffer.insts_remaining() > 200) failed: increase code_size2
> After increasing the code size by 200 bytes, the assertion vanishes.
> webrev: http://cr.openjdk.java.net/~rschmelter/webrevs/8223617/webrev.0/
> bugreport: https://bugs.openjdk.java.net/browse/JDK-8223617
> Best regards,
> Ralf

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