[Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)

2015-10-09 Thread spop at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860

Sebastian Pop  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||spop at gcc dot gnu.org
 Resolution|--- |FIXED

--- Comment #5 from Sebastian Pop  ---
Fixed in trunk with a recent ISL-0.15 that supports compute out.
$ time gfortran -O2 -fgraphite-identity pr42393.f90
real  0m1.737s

[Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)

2015-07-29 Thread ramana at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860

Ramana Radhakrishnan ramana at gcc dot gnu.org changed:

   What|Removed |Added

   Keywords||compile-time-hog
 Status|UNCONFIRMED |NEW
   Last reconfirmed||2015-07-29
 CC||ramana at gcc dot gnu.org
 Ever confirmed|0   |1

--- Comment #4 from Ramana Radhakrishnan ramana at gcc dot gnu.org ---
compile time hog ?

[Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)

2015-07-16 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860

Richard Biener rguenth at gcc dot gnu.org changed:

   What|Removed |Added

   Target Milestone|5.2 |5.3

--- Comment #3 from Richard Biener rguenth at gcc dot gnu.org ---
GCC 5.2 is being released, adjusting target milestone to 5.3.

[Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)

2015-07-14 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860

Richard Biener rguenth at gcc dot gnu.org changed:

   What|Removed |Added

   Target Milestone|--- |5.2

[Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)

2015-07-13 Thread ktkachov at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860

ktkachov at gcc dot gnu.org changed:

   What|Removed |Added

  Known to work||4.9.4
Summary|]FAIL:  |[5/6 Regression] FAIL:
   |gfortran.dg/graphite/pr4239 |gfortran.dg/graphite/pr4239
   |3.f90 -O (internal compiler |3.f90 -O (internal compiler
   |error)  |error)
  Known to fail||5.1.0, 6.0

--- Comment #1 from ktkachov at gcc dot gnu.org ---
The top of the gdb backtrace looks like this:
Program received signal SIGSEGV, Segmentation fault.
0x7759dc90 in __GI___libc_malloc (bytes=8) at malloc.c:2924
2924malloc.c: No such file or directory.
(gdb) bt
#0  0x7759dc90 in __GI___libc_malloc (bytes=8) at malloc.c:2924
#1  0x0123bad9 in __gmp_default_allocate ()
#2  0x01221695 in __gmpz_init ()
#3  0x011add83 in isl_seq_elim ()
#4  0x0116abc3 in eliminate_var_using_equality ()
#5  0x0116cc11 in isl_basic_map_gauss ()
#6  0x0116d6f9 in isl_basic_map_simplify ()
#7  0x011545f0 in isl_basic_map_intersect ()
#8  0x011281f5 in domain_follows_at_depth ()
#9  0x011bf889 in isl_tarjan_components ()
#10 0x011bfaf0 in isl_tarjan_graph_init ()
#11 0x011a5576 in isl_basic_set_list_foreach_scc ()
#12 0x0112a349 in generate_sorted_domains ()
#13 0x0112b804 in add_nodes ()
#14 0x011a57c1 in isl_basic_set_list_foreach_scc ()
#15 0x0112a349 in generate_sorted_domains ()
#16 0x0112b804 in add_nodes ()
#17 0x011a57c1 in isl_basic_set_list_foreach_scc ()
#18 0x0112a349 in generate_sorted_domains ()
#19 0x0112b804 in add_nodes ()
#20 0x011a57c1 in isl_basic_set_list_foreach_scc ()
#21 0x0112a349 in generate_sorted_domains ()
#22 0x0112b804 in add_nodes ()
#23 0x011a57c1 in isl_basic_set_list_foreach_scc ()
#24 0x0112a349 in generate_sorted_domains ()
#25 0x0112b804 in add_nodes ()
#26 0x011a57c1 in isl_basic_set_list_foreach_scc ()
#27 0x0112a349 in generate_sorted_domains ()
#28 0x0112b804 in add_nodes ()
#29 0x011a57c1 in isl_basic_set_list_foreach_scc ()
#30 0x0112a349 in generate_sorted_domains ()
#31 0x0112b804 in add_nodes ()
#32 0x011a57c1 in isl_basic_set_list_foreach_scc ()

So it seems to be trying to allocate too much memory.
This compiles fine on the 4.9 branch
The options used are -O2  -fgraphite-identity -fno-loop-block
-fno-loop-interchange -fno-loop-strip-mine

[Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)

2015-07-13 Thread sch...@linux-m68k.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860

--- Comment #2 from Andreas Schwab sch...@linux-m68k.org ---
Stack overflow?