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[Bug rtl-optimization/26493] -freorder-blocks-and-partition is a dud
- 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: 28 Feb 2006 18:47:52 -0000
- Subject: [Bug rtl-optimization/26493] -freorder-blocks-and-partition is a dud
- References: <bug-26493-4603@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from steven at gcc dot gnu dot org 2006-02-28 18:47 -------
You need profile information for hot-cold partitioning.
But maybe we can teach gcc to trust its own branch predictions. I'll have a
brief look at that...
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |steven at gcc dot gnu dot
| |org
AssignedTo|unassigned at gcc dot gnu |steven at gcc dot gnu dot
|dot org |org
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2006-02-28 18:47:52
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26493