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Posted to commits@harmony.apache.org by "Egor Pasko (JIRA)" <ji...@apache.org> on 2008/01/14 22:24:34 UTC
[jira] Commented: (HARMONY-4901) [drlvm][jit] escape analysis fails
with logging
[ https://issues.apache.org/jira/browse/HARMONY-4901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12558795#action_12558795 ]
Egor Pasko commented on HARMONY-4901:
-------------------------------------
Pavel, your patch did not fix SIGSEGV on Linux/ia32:
0: Jitrino::MethodInst::getMethodDesc() (Inst.h:851)
1: Jitrino::EscAnalyzer::getMD(Jitrino::Inst*) (escanalyzer.cpp:5486)
2: Jitrino::EscAnalyzer::checkOpndUsage(unsigned int) (escanalyzer.cpp:4783)
3: Jitrino::EscAnalyzer::checkCnGtoScalarize(Jitrino::EscAnalyzer::CnGNode*, bool) (escanalyzer.cpp:4851)
4: Jitrino::EscAnalyzer::scanEscapedObjects() (escanalyzer.cpp:3874)
5: Jitrino::EscAnalyzer::doAnalysis() (escanalyzer.cpp:276)
6: Jitrino::EscapeAnalysisPass::_run(Jitrino::IRManager&) (escanalyzer.cpp:89)
7: Jitrino::OptPass::run() (optpass.cpp:64)
8: Jitrino::runPipeline(Jitrino::CompilationContext*) (Jitrino.cpp:225)
9: Jitrino::compileMethod(Jitrino::CompilationContext*) (Jitrino.cpp:243)
10: Jitrino::Jitrino::CompileMethod(Jitrino::CompilationContext*) (Jitrino.cpp:258)
ran with java -Xem:opt -XX:jit.arg.log=ct,irdump,dbg,escape_verbose Hello
> [drlvm][jit] escape analysis fails with logging
> -----------------------------------------------
>
> Key: HARMONY-4901
> URL: https://issues.apache.org/jira/browse/HARMONY-4901
> Project: Harmony
> Issue Type: Bug
> Components: VM
> Environment: all
> Reporter: Aleksey Shipilev
> Assignee: Egor Pasko
> Priority: Minor
> Attachments: escape.patch, HARMONY-4901-workaround-2.patch, HARMONY-4901-workaround.patch
>
>
> There're couple of NULL pointer dereferences in escape analysis code while logging is enabled.
> The main reason is unknown, I believe that my patch is just the workaround.
> I have added this line to server.emconf to enable logging:
> -XDjit.SD2_OPT.arg.log=ct,irdump,dbg,escape_verbose
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