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Subject: [Bug tree-optimization/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90
Date: Fri, 18 May 2012 14:49:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |NEW
         Resolution|FIXED                       |

--- Comment #8 from Uros Bizjak <ubizjak at gmail dot com> 2012-05-18 14:46:01 UTC ---
(In reply to comment #7)
> Fixed.

Unfortunately, the loop in original rnflow test still gets vectorized, with no
change in the runtime:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls   s/call   s/call  name    
 43.46      9.69     9.69       64     0.15     0.15  cptrf2_
 40.63     18.75     9.06     6685     0.00     0.00  trs2a2.2054
  7.89     20.51     1.76       64     0.03     0.03  gentrs_
  2.02     20.96     0.45     6685     0.00     0.00  invima.2045
  1.93     21.39     0.43       64     0.01     0.01  cptrf1_
  1.17     21.65     0.26        1     0.26    12.36  matsim_
  0.99     21.87     0.22       64     0.00     0.00  cmpcpt_

GNU Fortran (GCC) version 4.8.0 20120518 (experimental) [trunk revision 187655]