------- Comment #11 from amylaar at gcc dot gnu dot org 2006-02-14 18:11
-------
(In reply to comment #10)
> Using gcc version 4.1.0 20051111 (experimental) I still get a segfault for the
> second test case with -O2.
I tried this testcase at -O2 on an i686-pc-linux-gnu X sh-elf compiler,
build from r110809 4.1 branch sources.
The compilation succeeded, but only after taking considerable time and memory:
garbage collection : 14.97 ( 4%) usr 0.08 ( 1%) sys 17.91 ( 4%) wall
0 kB ( 0%) ggc
callgraph construction: 1.28 ( 0%) usr 0.03 ( 0%) sys 1.70 ( 0%) wall
7352 kB ( 0%) ggc
callgraph optimization: 0.30 ( 0%) usr 0.00 ( 0%) sys 0.44 ( 0%) wall
2222 kB ( 0%) ggc
ipa reference : 0.92 ( 0%) usr 0.05 ( 1%) sys 1.26 ( 0%) wall
589 kB ( 0%) ggc
ipa pure const : 0.43 ( 0%) usr 0.01 ( 0%) sys 0.44 ( 0%) wall
0 kB ( 0%) ggc
ipa type escape : 0.87 ( 0%) usr 0.03 ( 0%) sys 0.90 ( 0%) wall
0 kB ( 0%) ggc
cfg construction : 0.17 ( 0%) usr 0.00 ( 0%) sys 0.25 ( 0%) wall
2624 kB ( 0%) ggc
cfg cleanup : 3.04 ( 1%) usr 0.02 ( 0%) sys 3.51 ( 1%) wall
2611 kB ( 0%) ggc
trivially dead code : 1.86 ( 0%) usr 0.00 ( 0%) sys 2.32 ( 0%) wall
0 kB ( 0%) ggc
life analysis : 6.79 ( 2%) usr 0.01 ( 0%) sys 7.45 ( 2%) wall
9873 kB ( 1%) ggc
life info update : 1.55 ( 0%) usr 0.00 ( 0%) sys 1.55 ( 0%) wall
414 kB ( 0%) ggc
alias analysis : 3.81 ( 1%) usr 0.02 ( 0%) sys 3.48 ( 1%) wall
21571 kB ( 1%) ggc
register scan : 1.59 ( 0%) usr 0.00 ( 0%) sys 1.87 ( 0%) wall
53 kB ( 0%) ggc
rebuild jump labels : 0.55 ( 0%) usr 0.00 ( 0%) sys 0.69 ( 0%) wall
0 kB ( 0%) ggc
preprocessing : 0.51 ( 0%) usr 0.15 ( 2%) sys 0.70 ( 0%) wall
860 kB ( 0%) ggc
parser : 31.60 ( 8%) usr 1.70 (26%) sys 59.38 (12%) wall
429280 kB (22%) ggc
name lookup : 26.28 ( 7%) usr 1.02 (16%) sys 39.72 ( 8%) wall
98782 kB ( 5%) ggc
inline heuristics : 2.50 ( 1%) usr 0.03 ( 0%) sys 3.65 ( 1%) wall
20713 kB ( 1%) ggc
integration : 14.46 ( 4%) usr 0.21 ( 3%) sys 16.17 ( 3%) wall
497862 kB (26%) ggc
tree gimplify : 2.57 ( 1%) usr 0.11 ( 2%) sys 4.32 ( 1%) wall
21613 kB ( 1%) ggc
tree eh : 0.25 ( 0%) usr 0.01 ( 0%) sys 0.20 ( 0%) wall
9184 kB ( 0%) ggc
tree CFG construction : 0.25 ( 0%) usr 0.01 ( 0%) sys 0.42 ( 0%) wall
27982 kB ( 1%) ggc
tree CFG cleanup : 8.05 ( 2%) usr 0.03 ( 0%) sys 8.90 ( 2%) wall
11678 kB ( 1%) ggc
tree VRP : 5.58 ( 1%) usr 0.08 ( 1%) sys 6.31 ( 1%) wall
15592 kB ( 1%) ggc
tree copy propagation : 6.50 ( 2%) usr 0.07 ( 1%) sys 7.54 ( 2%) wall
2970 kB ( 0%) ggc
tree store copy prop : 0.85 ( 0%) usr 0.00 ( 0%) sys 1.05 ( 0%) wall
548 kB ( 0%) ggc
tree find ref. vars : 2.62 ( 1%) usr 0.03 ( 0%) sys 2.71 ( 1%) wall
59145 kB ( 3%) ggc
tree PTA : 16.01 ( 4%) usr 0.26 ( 4%) sys 18.09 ( 4%) wall
24558 kB ( 1%) ggc
tree alias analysis : 47.66 (12%) usr 0.34 ( 5%) sys 52.02 (11%) wall
51451 kB ( 3%) ggc
tree PHI insertion : 2.54 ( 1%) usr 0.02 ( 0%) sys 3.11 ( 1%) wall
5517 kB ( 0%) ggc
tree SSA rewrite : 8.76 ( 2%) usr 0.07 ( 1%) sys 9.63 ( 2%) wall
77124 kB ( 4%) ggc
tree SSA other : 2.20 ( 1%) usr 0.10 ( 2%) sys 2.76 ( 1%) wall
0 kB ( 0%) ggc
tree SSA incremental : 22.75 ( 6%) usr 0.08 ( 1%) sys 23.76 ( 5%) wall
24697 kB ( 1%) ggc
tree operand scan : 13.30 ( 3%) usr 0.72 (11%) sys 15.76 ( 3%) wall
52656 kB ( 3%) ggc
dominator optimization: 12.11 ( 3%) usr 0.10 ( 2%) sys 13.18 ( 3%) wall
53470 kB ( 3%) ggc
tree SRA : 0.72 ( 0%) usr 0.00 ( 0%) sys 0.90 ( 0%) wall
3665 kB ( 0%) ggc
tree STORE-CCP : 1.03 ( 0%) usr 0.01 ( 0%) sys 1.14 ( 0%) wall
631 kB ( 0%) ggc
tree CCP : 3.04 ( 1%) usr 0.04 ( 1%) sys 3.17 ( 1%) wall
4438 kB ( 0%) ggc
tree split crit edges : 0.25 ( 0%) usr 0.00 ( 0%) sys 0.30 ( 0%) wall
10179 kB ( 1%) ggc
tree reassociation : 0.20 ( 0%) usr 0.00 ( 0%) sys 0.25 ( 0%) wall
5 kB ( 0%) ggc
tree PRE : 4.01 ( 1%) usr 0.01 ( 0%) sys 4.45 ( 1%) wall
18095 kB ( 1%) ggc
tree FRE : 6.31 ( 2%) usr 0.04 ( 1%) sys 6.87 ( 1%) wall
28684 kB ( 1%) ggc
tree code sinking : 0.75 ( 0%) usr 0.01 ( 0%) sys 0.85 ( 0%) wall
119 kB ( 0%) ggc
tree linearize phis : 0.13 ( 0%) usr 0.01 ( 0%) sys 0.09 ( 0%) wall
8 kB ( 0%) ggc
tree forward propagate: 1.36 ( 0%) usr 0.08 ( 1%) sys 1.38 ( 0%) wall
32826 kB ( 2%) ggc
tree conservative DCE : 4.26 ( 1%) usr 0.00 ( 0%) sys 4.94 ( 1%) wall
0 kB ( 0%) ggc
tree aggressive DCE : 0.80 ( 0%) usr 0.00 ( 0%) sys 0.81 ( 0%) wall
0 kB ( 0%) ggc
tree DSE : 0.67 ( 0%) usr 0.00 ( 0%) sys 0.68 ( 0%) wall
600 kB ( 0%) ggc
PHI merge : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
865 kB ( 0%) ggc
tree loop bounds : 0.34 ( 0%) usr 0.00 ( 0%) sys 0.46 ( 0%) wall
1907 kB ( 0%) ggc
loop invariant motion : 0.42 ( 0%) usr 0.00 ( 0%) sys 0.58 ( 0%) wall
9 kB ( 0%) ggc
tree canonical iv : 0.23 ( 0%) usr 0.00 ( 0%) sys 0.29 ( 0%) wall
2359 kB ( 0%) ggc
scev constant prop : 0.27 ( 0%) usr 0.00 ( 0%) sys 0.28 ( 0%) wall
1549 kB ( 0%) ggc
complete unrolling : 1.83 ( 0%) usr 0.01 ( 0%) sys 2.02 ( 0%) wall
11811 kB ( 1%) ggc
tree iv optimization : 0.93 ( 0%) usr 0.00 ( 0%) sys 1.13 ( 0%) wall
8685 kB ( 0%) ggc
tree loop init : 0.88 ( 0%) usr 0.00 ( 0%) sys 1.01 ( 0%) wall
11 kB ( 0%) ggc
tree copy headers : 0.48 ( 0%) usr 0.00 ( 0%) sys 0.54 ( 0%) wall
5509 kB ( 0%) ggc
tree SSA uncprop : 0.18 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall
0 kB ( 0%) ggc
tree SSA to normal : 2.07 ( 1%) usr 0.02 ( 0%) sys 2.45 ( 1%) wall
8324 kB ( 0%) ggc
tree NRV optimization : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
7 kB ( 0%) ggc
tree rename SSA copies: 1.01 ( 0%) usr 0.02 ( 0%) sys 1.20 ( 0%) wall
5 kB ( 0%) ggc
dominance frontiers : 2.44 ( 1%) usr 0.02 ( 0%) sys 2.38 ( 0%) wall
0 kB ( 0%) ggc
control dependences : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall
0 kB ( 0%) ggc
expand : 13.85 ( 4%) usr 0.11 ( 2%) sys 15.32 ( 3%) wall
86098 kB ( 4%) ggc
varconst : 12.42 ( 3%) usr 0.11 ( 2%) sys 18.13 ( 4%) wall
6720 kB ( 0%) ggc
jump : 0.47 ( 0%) usr 0.00 ( 0%) sys 0.54 ( 0%) wall
5490 kB ( 0%) ggc
CSE : 6.74 ( 2%) usr 0.02 ( 0%) sys 7.63 ( 2%) wall
10366 kB ( 1%) ggc
loop analysis : 1.22 ( 0%) usr 0.00 ( 0%) sys 1.34 ( 0%) wall
4965 kB ( 0%) ggc
global CSE : 0.28 ( 0%) usr 0.03 ( 0%) sys 0.27 ( 0%) wall
0 kB ( 0%) ggc
CPROP 1 : 1.44 ( 0%) usr 0.00 ( 0%) sys 1.45 ( 0%) wall
3613 kB ( 0%) ggc
PRE : 2.82 ( 1%) usr 0.02 ( 0%) sys 3.13 ( 1%) wall
2099 kB ( 0%) ggc
CPROP 2 : 1.52 ( 0%) usr 0.00 ( 0%) sys 1.74 ( 0%) wall
2155 kB ( 0%) ggc
bypass jumps : 1.45 ( 0%) usr 0.02 ( 0%) sys 1.82 ( 0%) wall
2494 kB ( 0%) ggc
CSE 2 : 3.28 ( 1%) usr 0.01 ( 0%) sys 3.62 ( 1%) wall
4452 kB ( 0%) ggc
branch prediction : 1.58 ( 0%) usr 0.00 ( 0%) sys 1.75 ( 0%) wall
3154 kB ( 0%) ggc
flow analysis : 0.15 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall
1 kB ( 0%) ggc
combiner : 3.96 ( 1%) usr 0.03 ( 0%) sys 4.53 ( 1%) wall
6387 kB ( 0%) ggc
if-conversion : 0.44 ( 0%) usr 0.00 ( 0%) sys 0.41 ( 0%) wall
125 kB ( 0%) ggc
regmove : 3.03 ( 1%) usr 0.00 ( 0%) sys 3.30 ( 1%) wall
149 kB ( 0%) ggc
local alloc : 3.94 ( 1%) usr 0.01 ( 0%) sys 4.77 ( 1%) wall
6659 kB ( 0%) ggc
global alloc : 8.65 ( 2%) usr 0.00 ( 0%) sys 9.67 ( 2%) wall
16429 kB ( 1%) ggc
reload CSE regs : 4.42 ( 1%) usr 0.00 ( 0%) sys 5.03 ( 1%) wall
7198 kB ( 0%) ggc
flow 2 : 0.44 ( 0%) usr 0.00 ( 0%) sys 0.63 ( 0%) wall
5754 kB ( 0%) ggc
if-conversion 2 : 0.23 ( 0%) usr 0.00 ( 0%) sys 0.33 ( 0%) wall
5 kB ( 0%) ggc
peephole 2 : 0.64 ( 0%) usr 0.00 ( 0%) sys 0.88 ( 0%) wall
0 kB ( 0%) ggc
rename registers : 1.57 ( 0%) usr 0.03 ( 0%) sys 1.53 ( 0%) wall
143 kB ( 0%) ggc
scheduling 2 : 5.91 ( 2%) usr 0.01 ( 0%) sys 6.85 ( 1%) wall
27695 kB ( 1%) ggc
machine dep reorg : 3.34 ( 1%) usr 0.02 ( 0%) sys 3.54 ( 1%) wall
19529 kB ( 1%) ggc
delay branch sched : 0.99 ( 0%) usr 0.00 ( 0%) sys 1.09 ( 0%) wall
9750 kB ( 1%) ggc
reorder blocks : 0.51 ( 0%) usr 0.00 ( 0%) sys 0.58 ( 0%) wall
2475 kB ( 0%) ggc
shorten branches : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.26 ( 0%) wall
8 kB ( 0%) ggc
final : 3.77 ( 1%) usr 0.30 ( 5%) sys 4.99 ( 1%) wall
7964 kB ( 0%) ggc
symout : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
679 kB ( 0%) ggc
TOTAL : 389.71 6.49 477.34
1916596 kB
Are you sure you have enough virtual memory to compile this test case?
--
amylaar at gcc dot gnu dot org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24605
