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[Bug tree-optimization/38785] huge performance regression on EEMBC bitmnp01
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Jan 2009 17:59:31 -0000
- Subject: [Bug tree-optimization/38785] huge performance regression on EEMBC bitmnp01
- References: <bug-38785-5394@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rguenth at gcc dot gnu dot org 2009-01-09 17:59 -------
It's indeed partial-PRE that performs these insertions. Steven has some
patches
to tune down regular insertion that may also apply to partial insertion.
See also PR38401.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org
BugsThisDependsOn| |38401
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2009-01-09 17:59:31
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38785