This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug middle-end/40980] air.f90 ICEs compiler with -fgraphite-identity



------- Comment #2 from howarth at nitro dot med dot uc dot edu  2009-08-06 01:28 -------
Interestingly...

gfortran -O2 -fgraphite-identity -floop-interchange air.f90 -o air

compiles the air benchmark without errors but the resulting code produces...

         AIRFLOW IN A BOX
            Version 2.0  
   (c) Hanley Innovations  1995 
  1.00000000000000002E-002  0.29999999999999999        10.000000000000000      
0.10000000000000001                0
   272.76999999999998        272.76999999999998        272.76999999999998      
 272.76999999999998        0.0000000000000000     
          11          12
  X-DATA
           1   0.0000000000000000       0.10000000000000001                4
           2  5.00000000000000028E-002  0.22000000000000000                4
           3  0.10000000000000001       0.29999999999999999                4
           4  0.20000000000000001       0.40000000000000002                4
           5  0.29999999999999999       0.50000000000000000                4
           6  0.40000000000000002       0.59999999999999998                4
           7  0.50000000000000000       0.69999999999999996                4
           8  0.59999999999999998       0.80000000000000004                4
           9  0.69999999999999996       0.90000000000000002                4
          10  0.80000000000000004       0.96999999999999997                4
          11  0.90000000000000002        1.0000000000000000                4
  Y-DATA
   0.0000000000000000       0.10000000000000001                4
  4.00000000000000008E-002  0.14999999999999999                4
  8.00000000000000017E-002  0.20000000000000001                4
  0.14999999999999999       0.29999999999999999                4
  0.20000000000000001       0.40000000000000002                4
  0.29999999999999999       0.50000000000000000                4
  0.40000000000000002       0.59999999999999998                4
  0.50000000000000000       0.69999999999999996                4
  0.59999999999999998       0.80000000000000004                4
  0.69999999999999996       0.89000000000000001                4
  0.80000000000000004       0.94999999999999996                4
  0.94999999999999996        1.0000000000000000                4
  ITERATION#  TIME             FINAL          MASS RESIDUAL
       14  100.000043187820   0.01000000         NaN
 deltat, final t, iterations
   100.00000000000000        100.00004318782042               14
          14                       NaN


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40980


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]