------- Comment #2 from jv244 at cam dot ac dot uk 2007-06-21 13:50 -------
(In reply to comment #1)
> Can you run the compile inside gdb and check periodically where it wastes its
> time?
>
I have a few gdb backtraces, but it looks like it is just writing the .s file.
At the point where f951 dies the .s file is about 53Mb in size.
The last few gdb traces I collected are:
#0 shorten_branches (first=0x2ad9a29700) at
/scratch/vondele/gcc_trunk/gcc/gcc/final.c:1081
#1 0x000000000056fca1 in rest_of_handle_shorten_branches () at
/scratch/vondele/gcc_trunk/gcc/gcc/final.c:4046
#2 0x000000000061b396 in execute_one_pass (pass=0xcfa400) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1125
#3 0x000000000061b55c in execute_pass_list (pass=0xcfa400) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1178
#4 0x000000000061b56e in execute_pass_list (pass=0xcfaae0) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1179
#5 0x000000000061b56e in execute_pass_list (pass=0xcfaa80) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1179
#6 0x00000000006e6358 in tree_rest_of_compilation (fndecl=0x2a96cf2300) at
/scratch/vondele/gcc_trunk/gcc/gcc/tree-optimize.c:406
#7 0x000000000082ba30 in cgraph_expand_function (node=0x2a96cf2500) at
/scratch/vondele/gcc_trunk/gcc/gcc/cgraphunit.c:1073
#8 0x000000000082de12 in cgraph_optimize () at
/scratch/vondele/gcc_trunk/gcc/gcc/cgraphunit.c:1142
#0 0x000000000061d09d in pointer_set_insert (pset=0x26b622f0, p=0x2ae2aebea0)
at /scratch/vondele/gcc_trunk/gcc/gcc/pointer-set.c:68
#1 0x0000000000698881 in verify_stmts () at
/scratch/vondele/gcc_trunk/gcc/gcc/tree-cfg.c:3573
#2 0x000000000079c317 in verify_ssa (check_modified_stmt=1 '\001') at
/scratch/vondele/gcc_trunk/gcc/gcc/tree-ssa.c:614
#3 0x000000000061b1a5 in execute_function_todo (data=Variable "data" is not
available.
) at /scratch/vondele/gcc_trunk/gcc/gcc/passes.c:972
#4 0x000000000061aeef in execute_todo (flags=Variable "flags" is not
available.
) at /scratch/vondele/gcc_trunk/gcc/gcc/passes.c:996
#5 0x000000000061b3ee in execute_one_pass (pass=0xcfcd40) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1147
#6 0x000000000061b55c in execute_pass_list (pass=0xcfcd40) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1178
#7 0x000000000061b56e in execute_pass_list (pass=0xcfc1a0) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1179
#0 0x0000000000669b9e in refers_to_regno_p (regno=17, endregno=18,
x=0x2aba886640, loc=0x0)
at /scratch/vondele/gcc_trunk/gcc/gcc/rtlanal.c:1285
#1 0x000000000099c4e9 in record_value_for_reg (reg=0x2aba8864e0,
insn=0x2ad6f2db40, value=0x2aba886640)
at /scratch/vondele/gcc_trunk/gcc/gcc/combine.c:11194
#2 0x00000000009ae29a in rest_of_handle_combine () at
/scratch/vondele/gcc_trunk/gcc/gcc/combine.c:1069
#3 0x000000000061b396 in execute_one_pass (pass=0xcfed60) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1125
#0 0x00000000004ff2f0 in df_lr_bb_local_compute (bb_index=64) at
/scratch/vondele/gcc_trunk/gcc/gcc/df-problems.c:1379
#1 0x0000000000500bbf in df_lr_verify_transfer_functions () at
/scratch/vondele/gcc_trunk/gcc/gcc/df-problems.c:1905
#2 0x00000000004fbcde in df_verify () at
/scratch/vondele/gcc_trunk/gcc/gcc/df-core.c:1514
#3 0x00000000004fc809 in df_analyze () at
/scratch/vondele/gcc_trunk/gcc/gcc/df-core.c:1106
#4 0x00000000009d5757 in move_loop_invariants () at
/scratch/vondele/gcc_trunk/gcc/gcc/loop-invariant.c:641
#5 0x00000000009d3d57 in rtl_move_loop_invariants () at
/scratch/vondele/gcc_trunk/gcc/gcc/loop-init.c:238
#6 0x000000000061b396 in execute_one_pass (pass=0xcff4e0) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1125
#0 0x000000000063ed17 in init_subregs_of_mode () at
/scratch/vondele/gcc_trunk/gcc/gcc/regclass.c:2410
#1 0x000000000061b396 in execute_one_pass (pass=0xcfb340) at
/scratch/vondele/gcc_trunk/gcc/gcc/passes.c:1125
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32439
