RFR: 8276711: compiler/codecache/cli tests failing when SegmentedCodeCache used with -Xint [v2]

Vladimir Kozlov kvn at openjdk.java.net
Wed Mar 2 02:50:05 UTC 2022


On Wed, 2 Mar 2022 02:24:12 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Move check for -Xint.
>
> src/hotspot/share/compiler/compilerDefinitions.cpp line 528:
> 
>> 526:   // TieredStopAtLevel==0 allocates nmethod space in the code heap with
>> 527:   // SegmentedCodeCache so only disallow the option for -Xint.
>> 528:   if (Arguments::is_interpreter_only() && FLAG_IS_CMDLINE(SegmentedCodeCache)) {
> 
> You need to check `SegmentedCodeCache==true` else you will generate the warning if someone is explicitly turning it off in combination with `-Xint`.

Yes, code should follow pattern in previous lines:

    if (SegmentedCodeCache) {
      if (!FLAG_IS_DEFAULT(SegmentedCodeCache)) {
        warning("SegmentedCodeCache has no meaningful effect with -Xint");
      }
      FLAG_SET_CMDLINE(SegmentedCodeCache, false);
    }

-------------

PR: https://git.openjdk.java.net/jdk/pull/7650


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