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 tree-optimization/33856] [4.3 Regression] Segfault in create_data_ref/compute_data_dependences_for_loop



------- Comment #3 from tbm at cyrius dot com  2007-10-22 07:22 -------
Performing interprocedural optimizations
 <visibility> <early_local_cleanups> <inline> <static-var>
<pure-const>Assembling functions:
 picture_size_new picture_sizes_load_default
Program received signal SIGSEGV, Segmentation fault.
create_data_ref (nest=0x2b26f0017be0, memref=0x2b26ef7719c0, stmt=<value
optimized out>,
    is_read=1 '\001') at gcc/tree-data-ref.c:746
746       if (DECL_P (base))
(gdb) where
#0  create_data_ref (nest=0x2b26f0017be0, memref=0x2b26ef7719c0, stmt=<value
optimized out>,
    is_read=1 '\001') at gcc/tree-data-ref.c:746
#1  0x00000000006eb773 in compute_data_dependences_for_loop
(loop=0x2b26f0017be0,
    compute_self_and_read_read_dependences=1 '\001', datarefs=0xff4888,
    dependence_relations=0xff4890) at gcc/tree-data-ref.c:4015
#2  0x0000000000a9af4f in vect_analyze_loop (loop=0x2b26f0017be0)
    at gcc/tree-vect-analyze.c:3170
#3  0x000000000080bcd0 in vectorize_loops () at gcc/tree-vectorizer.c:2501
#4  0x000000000063f247 in execute_one_pass (pass=0xee2d00) at gcc/passes.c:1117
#5  0x000000000063f40c in execute_pass_list (pass=0xee2d00)
    at gcc/passes.c:1170
#6  0x000000000063f41e in execute_pass_list (pass=0xee2b20)
    at gcc/passes.c:1171
#7  0x000000000063f41e in execute_pass_list (pass=0xee1f20)
    at gcc/passes.c:1171
#8  0x0000000000717e0e in tree_rest_of_compilation (fndecl=0x2b26f012aa00)
    at gcc/tree-optimize.c:404
#9  0x000000000089adb2 in cgraph_expand_function (node=0x2b26f012ab00)
    at gcc/cgraphunit.c:1060
#10 0x000000000089c858 in cgraph_optimize () at gcc/cgraphunit.c:1123
#11 0x0000000000414d9e in c_write_global_declarations () at gcc/c-decl.c:8077
#12 0x00000000006bb0b7 in toplev_main (argc=<value optimized out>, argv=<value
optimized out>)
    at gcc/toplev.c:1055
#13 0x00002b26efcd3b44 in __libc_start_main () from /lib/libc.so.6
#14 0x00000000004043f9 in _start ()
(gdb)


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33856


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