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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/18594] PHI insertion is slow
Date: Fri, 05 Aug 2005 16:43:00 -0000 [thread overview]
Message-ID: <20050805164346.21167.qmail@sourceware.org> (raw)
In-Reply-To: <20041121145755.18594.pinskia@gcc.gnu.org>
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-05 16:43 -------
cfg.c:135 (alloc_block) 5933016: 0.5% 0: 0.0% 0: 0.0% 1561320: 0.6%
39033
bitmap.c:137 (bitmap_element_allocate) 35842644: 2.8% 0: 0.0% 0: 0.0%
3982516: 1.6% 995629
tree-ssa.c:68 (ssa_redirect_edge) 40800040: 3.1% 0: 0.0% 0: 0.0% 8160008:
3.3% 1020001
tree-ssanames.c:147 (make_ssa_name) 78280836: 6.0% 0: 0.0% 0: 0.0%
12360132: 5.1% 1030011
tree-ssa-loop-niter.c:653 (expand_simple_operati 119940000: 9.2% 0: 0.0% 0: 0.0%
23988000: 9.8% 1999000
tree-ssa-loop-niter.c:781 (tree_simplify_using_c 119940000: 9.2% 0: 0.0% 0: 0.0%
23988000: 9.8% 1999000
tree-ssa-loop-niter.c:786 (tree_simplify_using_c 119940000: 9.2% 0: 0.0% 0: 0.0%
23988000: 9.8% 1999000
fold-const.c:8993 (fold_binary) 120059940: 9.3% 0: 0.0% 0: 0.0% 24011988:
9.9% 2000999
tree-phinodes.c:156 (allocate_phi_node) 130048384:10.0% 0: 0.0% 0: 0.0% 0:
0.0% 1016003
fold-const.c:6517 (fold_to_nonsharp_ineq_using_b 239880000:18.5% 0: 0.0% 0: 0.0%
47976000:19.7% 3998000
fold-const.c:2980 (invert_truthvalue_1) 240484320:18.5% 0: 0.0% 0: 0.0%
48096864:19.7% 4008072
I wonder if we have an early loop optimization which removes empty loops there too.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18594
next prev parent reply other threads:[~2005-08-05 16:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-21 14:58 [Bug tree-optimization/18594] New: " pinskia at gcc dot gnu dot org
2004-11-24 11:16 ` [Bug tree-optimization/18594] " steven at gcc dot gnu dot org
2004-11-29 15:50 ` pinskia at gcc dot gnu dot org
2005-07-25 4:41 ` pinskia at gcc dot gnu dot org
2005-08-05 16:43 ` pinskia at gcc dot gnu dot org [this message]
[not found] <bug-18594-6528@http.gcc.gnu.org/bugzilla/>
2005-11-17 1:38 ` pinskia at gcc dot gnu dot org
2007-11-26 14:34 ` steven at gcc dot gnu dot org
2008-01-25 20:58 ` rguenth at gcc dot gnu dot org
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