[LLVMbugs] [Bug 631] NEW: -enable-correct-eh-support very slow

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=631

           Summary: -enable-correct-eh-support very slow
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: llc
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: eric at vanrietpaap.nl


Enabling this options makes the exectable a couple of times slower for PyPy.
Currently it works best to use llc -march=c ... and then compile the c file with
gcc. The odd thing is that this c file also contains setjmp/longjmp. Seems gcc
(3.3.6) knows how to optimize this a lot better.



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