[Bug target/34067] [4.3 regression] gfortran.dg/char_cshift_2.f90 fails with -O3 -funroll-loops fails on Intel Darwin

Tue Nov 13 16:46:00 GMT 2007

------- Comment #19 from paolo dot bonzini at lu dot unisi dot ch  2007-11-13 16:46 -------
Subject: Re:  [4.3 regression] gfortran.dg/char_cshift_2.f90
 fails with -O3 -funroll-loops fails on Intel Darwin

> [ibook-dhum] f90/bug% gfc -O1 -funroll-loops -fschedule-insns -fregmove
> -fexpensive-optimizations -fforward-propagate
> char_cshift_2_red_1.f90[ibook-dhum] f90/bug% a.out
>  test 2
>  'adf'  'acf'  'adf'           1           1           2           1
>  'bdf'  'bcf'  'bdf'           2           1           2           1
>  'aef'  'adf'  'aef'           1           2           3           1
>  'bef'  'bdf'  'bef'           2           2           3           1
>  'acf'  'aef'  'acf'           1           3           1           1
>  'bcf'  'bef'  'bcf'           2           3           1           1
> Abort
> [ibook-dhum] f90/bug% gfc -O1 -funroll-loops -fregmove
> -fexpensive-optimizations -fforward-propagate char_cshift_2_red_1.f90
> [ibook-dhum] f90/bug% a.out
>  test 2
>  'bdf'  'bcf'  'bdf'           2           1           2           1
>  'bef'  'bdf'  'bef'           2           2           3           1
>  'bcf'  'bef'  'bcf'           2           3           1           1
> Abort

Can you attach a -fdump-rtl-all tarball for these two sets of options 
for revision 130137?  Thanks!

Paolo

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34067