[Bug c++/79002] Weird c++ assembly code generated for tail call

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Jan 5 12:45:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79002

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|s390x                       |s390x x86_64-*-*
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-01-05
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed on x86_64.  The difference is an added CLOBBER in the paren case
which leads to try/finally which leads to the tail recursion not being detected
and recursive inlining applying.


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