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From: "mikpe at it dot uu.se" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/52391] [4.7 regression] genattrtab almost 5X slower for m68k than in 4.6 and earlier releases
Date: Mon, 27 Feb 2012 23:05:00 -0000	[thread overview]
Message-ID: <bug-52391-4-TIBMQngHvB@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52391-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52391

--- Comment #6 from Mikael Pettersson <mikpe at it dot uu.se> 2012-02-27 23:03:00 UTC ---
Top-most lines from gprof profile of genattrtab @ r178388:

Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls   s/call   s/call  name    
 67.71    437.11   437.11 138244364     0.00     0.00  simplify_and_tree
 22.16    580.15   143.04 532054774     0.00     0.00  attr_equal_p
  6.49    622.06    41.91 1753529513     0.00     0.00  rtx_equal_p
  2.23    636.47    14.41 78398171     0.00     0.00  simplify_or_tree
  0.99    642.88     6.41  2169340     0.00     0.00  simplify_test_exp
  0.24    644.41     1.53 15087810     0.00     0.00  compute_alternative_mask
  0.12    645.20     0.79  2105645     0.00     0.00  attr_rtx


  parent reply	other threads:[~2012-02-27 23:04 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-26 23:08 [Bug other/52391] New: " mikpe at it dot uu.se
2012-02-27  9:32 ` [Bug other/52391] " rguenth at gcc dot gnu.org
2012-02-27 10:48 ` [Bug bootstrap/52391] " rguenth at gcc dot gnu.org
2012-02-27 20:44 ` jakub at gcc dot gnu.org
2012-02-27 21:52 ` mikpe at it dot uu.se
2012-02-27 23:04 ` steven at gcc dot gnu.org
2012-02-27 23:05 ` mikpe at it dot uu.se [this message]
2012-02-27 23:16 ` steven at gcc dot gnu.org
2012-02-27 23:35 ` jakub at gcc dot gnu.org
2012-02-28  0:38 ` steven at gcc dot gnu.org
2012-02-28  9:02 ` steven at gcc dot gnu.org
2012-03-22  8:44 ` [Bug bootstrap/52391] [4.7/4.8 " rguenth at gcc dot gnu.org
2012-05-05 10:14 ` steven at gcc dot gnu.org
2012-05-05 11:31 ` steven at gcc dot gnu.org
2012-05-06 22:02 ` steven at gcc dot gnu.org
2012-05-07 12:46 ` steven at gcc dot gnu.org

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