[Bug rtl-optimization/55278] [4.8 Regression] Botan performance regressions apparently due to LRA

steven at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat Mar 23 19:38:00 GMT 2013


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55278

Steven Bosscher <steven at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ra
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-03-23
            Summary|Botan performance           |[4.8 Regression] Botan
                   |regressions apparently due  |performance regressions
                   |to LRA                      |apparently due to LRA
     Ever Confirmed|0                           |1

--- Comment #1 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-23 19:38:00 UTC ---
Confirmed for RC5(12) and KASUMI.

Note, LLVM also beats GCC badly for a few of the botan benchmarks, see
http://www.phoronix.com/scan.php?page=article&item=llvm_32_egging&num=2



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