This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug c++/13776] [tree-ssa] Many C++ compile-time regression in 3.5-tree-ssa 040120
- 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: 31 Mar 2004 19:33:05 -0000
- Subject: [Bug c++/13776] [tree-ssa] Many C++ compile-time regression in 3.5-tree-ssa 040120
- References: <20040120183908.13776.kgardas@objectsecurity.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From steven at gcc dot gnu dot org 2004-03-31 19:32 -------
C is also slower, here's the top of the oprofile on amd64 for
"-fno-tree-pre -O3" on a subset of Diego Novillo's cc1-i-files.
vma samples % symbol name
00730fa0 117920 10.1391 htab_find_slot_with_hash
00731350 53286 4.5817 iterative_hash
004802b0 22184 1.9074 bitmap_bit_p
006a3e20 20801 1.7885 ggc_alloc_stat
006717e0 19669 1.6912 for_each_rtx
006c5590 18536 1.5938 walk_tree
00730d00 16933 1.4559 find_empty_slot_for_expand
0064d5d0 16794 1.4440 constrain_operands
006579f0 16467 1.4159 reg_scan_mark_refs
00701db0 13922 1.1971 reg_is_remote_constant_p
00402b60 12999 1.1177 yyparse
004af330 12958 1.1142 cse_insn
00501050 12339 1.0609 mark_set_1
00671d00 12320 1.0593 note_stores
00523570 11714 1.0072 compute_transp
004a9270 10726 0.9223 count_reg_usage
--
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2004-03-28 07:38:40 |2004-03-31 19:33:00
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13776