[Bug middle-end/51516] New: [trans-mem] problem with TM clone aliases

Mon, 12 Dec 2011 11:05:44 -0800 

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51516

             Bug #: 51516
           Summary: [trans-mem] problem with TM clone aliases
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: patrick.marl...@gmail.com
                CC: al...@gcc.gnu.org, r...@gcc.gnu.org


Created attachment 26060
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26060
patch for trans-mem.c

PR51347 shows up a problem due to the TM IPA rework.
Indeed, an alias can get called but tm cg data are in the parent of the alias.
So it ends up to calls _ITM_getTMCloneOrIrrevocable for the alias which is
wrong.

Patch attached with testcase.
Bootstrapped and regtested.

http://gcc.gnu.org/ml/gcc-patches/2011-12/msg00225.html

Patrick Marlier.

Reply via email to