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[Bug middle-end/10776] [3.3/3.4 regression] Large aggregate initializers with a single relocated entry causes excessive compile time regression
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Jul 2003 18:00:49 -0000
- Subject: [Bug middle-end/10776] [3.3/3.4 regression] Large aggregate initializers with a single relocated entry causes excessive compile time regression
- References: <20030514062600.10776.gonz@ratloop.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10776
------- Additional Comments From steven at gcc dot gnu dot org 2003-07-25 18:00 -------
For the sake of completeness, here's the flat profile at -O2
Flat profile:
Each sample counts as 0.01 seconds.
% cumulative self self total
time seconds seconds calls ms/call ms/call name
19.91 99.52 99.52 251269216 0.00 0.00 can_copy_p
14.00 169.49 69.97 32654 2.14 2.15 delete_null_pointer_checks
12.83 233.61 64.12 467198 0.14 0.14 cselib_lookup
12.34 295.32 61.71 235947104 0.00 0.00 read_dependence
10.08 345.69 50.37 481708519 0.00 0.00 main
8.36 387.47 41.78 206065562 0.00 0.00 physmem_available
5.14 413.17 25.70 12691 2.03 2.39 find_equiv_reg
2.16 423.95 10.79 722837831 0.00 0.00 splay_tree_compare_ints
2.12 434.57 10.62 256127013 0.00 0.00 canon_true_dependence
2.07 444.91 10.34 25407949 0.00 0.00 for_each_rtx
1.95 454.66 9.75 206065523 0.00 0.00 splay_tree_lookup
1.66 462.95 8.29 323747787 0.00 0.00 rtx_equal_p
1.53 470.62 7.67 306907985 0.00 0.00 alias_sets_conflict_p