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[Bug optimization/13931] [3.4/3.5 Regression] combiner much slower on big functions
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2004 17:23:33 -0000
- Subject: [Bug optimization/13931] [3.4/3.5 Regression] combiner much slower on big functions
- References: <20040130124106.13931.bonzini@gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-01-30 17:23 -------
Confirmed, on i686, combine takes most of the time, while on powerpc:
scheduling : 22.06 (21%) usr 1.10 (34%) sys 49.98 (19%) wall
rename registers : 46.87 (44%) usr 0.38 (12%) sys 122.39 (47%) wall
scheduling 2 : 20.88 (20%) usr 0.85 (27%) sys 55.33 (21%) wall
Takes most of the time.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-01-30 17:23:26
date| |
Summary|combiner much slower on big |[3.4/3.5 Regression]
|functions |combiner much slower on big
| |functions
Target Milestone|--- |3.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13931