[Bug tree-optimization/33922] New: [4.3 Regression] slow compilation on ia64

["tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>]

The following program take about 30 seconds to compile on IA64 with -O3 and
trunk, but took less than a second with 4.2.  On x86_x86 it take about 3
seconds.

(sid)tbm@coconut0:~$ time /usr/lib/gcc-snapshot/bin/gcc -c -O3 slow.c

real    0m32.572s
user    0m18.838s
sys     0m0.049s
(sid)tbm@coconut0:~$ time gcc-4.2 -c -O3 slow.c

real    0m0.696s
user    0m0.062s
sys     0m0.022s
(sid)tbm@coconut0:~$


-- 
           Summary: [4.3 Regression] slow compilation on ia64
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
GCC target triplet: ia64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33922