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[Bug rtl-optimization/30287] -fregmove produces slow code
- 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: 25 May 2007 20:35:51 -0000
- Subject: [Bug rtl-optimization/30287] -fregmove produces slow code
- References: <bug-30287-13822@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from steven at gcc dot gnu dot org 2007-05-25 20:35 -------
Something in the backward pass increases the register pressure, inducing extra
spills. Not much can be done about this except for tuning the transformations
involved.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|steven at gcc dot gnu dot |unassigned at gcc dot gnu
|org |dot org
Status|ASSIGNED |NEW
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30287