[Bug middle-end/37448] [4.3 Regression] gcc 4.3.1 cannot compile big function

[hubicka at gcc dot gnu dot org]

------- Comment #7 from hubicka at gcc dot gnu dot org  2008-09-10 11:32 -------
#0  0x000000000099c80d in ira_allocno_live_ranges_intersect_p (a1=0x33da8ae0,
a2=0x34395120) at ../../gcc/ira-conflicts.c:535
#1  0x000000000099ff0e in coalesced_allocno_conflict_p (a1=0x34e221b0,
a2=0x33da8ae0, reload_p=1 '\001') at ../../gcc/ira-color.c:1436
#2  0x00000000009a2904 in ira_sort_regnos_for_alter_reg
(pseudo_regnos=0x5eb441f0, n=<value optimized out>,
reg_max_ref_width=0x580ffb00)
    at ../../gcc/ira-color.c:2278
#3  0x00000000005e4f86 in reload (first=0x2aaaacf99680, global=1) at
../../gcc/reload1.c:907
#4  0x000000000099472c in rest_of_handle_ira () at ../../gcc/ira.c:1867
#5  0x000000000059c211 in execute_one_pass (pass=0xdf3020) at
../../gcc/passes.c:1279
#6  0x000000000059c445 in execute_pass_list (pass=0xdf3020) at
../../gcc/passes.c:1327
#7  0x000000000059c45d in execute_pass_list (pass=0xdee140) at
../../gcc/passes.c:1328
#8  0x000000000066bc07 in tree_rest_of_compilation (fndecl=0x2aaaab9ae200) at
../../gcc/tree-optimize.c:418


OK, one hour later (at -O2) we spent all the time in IRA/reload.
Vladimir, could you please take a look?

Honza


-- 

hubicka at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vmakarov at redhat dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37448