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[Bug middle-end/16578] Seg fault @ Matrix multiplication algorithm. Recursion depth problem?


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-10-13 01:18 -------
Confirmed, this is a middle-end problem on the mainline:
#0  0x003f13ec in expand_call (exp=0x42901a00, target=0xf15798, ignore=0) at /Users/pinskia/src/
local1/gcc/gcc/calls.c:2351
#1  0x004f3874 in expand_expr_real_1 (exp=0x42901a00, target=0xf15798, tmode=BLKmode, 
modifier=EXPAND_NORMAL, alt_rtl=0xbfffef94) at /Users/pinskia/src/local1/gcc/gcc/expr.c:7242
#2  0x004ec518 in expand_expr_real (exp=0x42901a00, target=0xf15798, tmode=BLKmode, 
modifier=EXPAND_NORMAL, alt_rtl=0xbfffef94) at /Users/pinskia/src/local1/gcc/gcc/expr.c:6314
#3  0x004dd2b8 in store_expr (exp=0x42901a00, target=0xf15798, want_value=0) at /Users/pinskia/
src/local1/gcc/gcc/expr.c:3933
#4  0x004dbfd4 in expand_assignment (to=0xb967c0, from=0x42901a00, want_value=0) at /Users/
pinskia/src/local1/gcc/gcc/expr.c:3746
#5  0x00500338 in expand_expr_real_1 (exp=0xb94480, target=0x0, tmode=VOIDmode, 
modifier=EXPAND_NORMAL, alt_rtl=0x0) at /Users/pinskia/src/local1/gcc/gcc/expr.c:8112
#6  0x004ec518 in expand_expr_real (exp=0xb94480, target=0x4280d300, tmode=VOIDmode, 
modifier=EXPAND_NORMAL, alt_rtl=0x0) at /Users/pinskia/src/local1/gcc/gcc/expr.c:6314
#7  0x007a5764 in expand_expr (exp=0xb94480, target=0x4280d300, mode=VOIDmode, 
modifier=EXPAND_NORMAL) at /Users/pinskia/src/local1/gcc/gcc/expr.h:493
#8  0x0079c4c4 in expand_expr_stmt (exp=0xb94480) at /Users/pinskia/src/local1/gcc/gcc/stmt.c:
1354
#9  0x00823a74 in expand_gimple_basic_block (bb=0xc25b24, dump_file=0x0) at /Users/pinskia/src/
local1/gcc/gcc/cfgexpand.c:1126
#10 0x008243b4 in tree_expand_cfg () at /Users/pinskia/src/local1/gcc/gcc/cfgexpand.c:1299
#11 0x002bb75c in execute_one_pass (pass=0xac30f4) at /Users/pinskia/src/local1/gcc/gcc/tree-
optimize.c:503
#12 0x002bb8a8 in execute_pass_list (pass=0xac30f4) at /Users/pinskia/src/local1/gcc/gcc/tree-
optimize.c:538
#13 0x002bbcac in tree_rest_of_compilation (fndecl=0x42905f04) at /Users/pinskia/src/local1/gcc/
gcc/tree-optimize.c:633
#14 0x001b4e9c in expand_body (fn=0x42905f04) at /Users/pinskia/src/local1/gcc/gcc/cp/
semantics.c:2912
#15 0x00864ff0 in cgraph_expand_function (node=0x42906000) at /Users/pinskia/src/local1/gcc/
gcc/cgraphunit.c:1046
#16 0x0086aaa0 in cgraph_expand_all_functions () at /Users/pinskia/src/local1/gcc/gcc/cgraphunit.c:
2728
#17 0x0086b048 in cgraph_optimize () at /Users/pinskia/src/local1/gcc/gcc/cgraphunit.c:2839
#18 0x001121d8 in cp_finish_file () at /Users/pinskia/src/local1/gcc/gcc/cp/decl2.c:3067
#19 0x00002764 in finish_file () at /Users/pinskia/src/local1/gcc/gcc/cp/cp-lang.c:136
#20 0x00266c28 in c_common_parse_file (set_yydebug=0) at /Users/pinskia/src/local1/gcc/gcc/c-
opts.c:1096
#21 0x007b8f9c in compile_file () at /Users/pinskia/src/local1/gcc/gcc/toplev.c:985
#22 0x007bbc3c in do_compile () at /Users/pinskia/src/local1/gcc/gcc/toplev.c:2069
#23 0x007bbcd8 in toplev_main (argc=2, argv=0xbffffd90) at /Users/pinskia/src/local1/gcc/gcc/
toplev.c:2101
#24 0x0027e094 in main (argc=2, argv=0xbffffd90) at /Users/pinskia/src/local1/gcc/gcc/main.c:35


		  stack_usage_map = alloca (highest_outgoing_arg_in_use);


highest_outgoing_arg_in_use is 8388624, maybe it is time to allocate it on the heap instead of the 
stack.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|c++                         |middle-end
     Ever Confirmed|                            |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2004-10-13 01:18:07
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16578


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