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[Bug rtl-optimization/16967] Iterating gcse.c CPROP and PRE does not reach a fixed point
- 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: 21 Sep 2008 13:15:00 -0000
- Subject: [Bug rtl-optimization/16967] Iterating gcse.c CPROP and PRE does not reach a fixed point
- References: <bug-16967-280@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from steven at gcc dot gnu dot org 2008-09-21 13:14 -------
I can reproduce this on-and-off, but never with a reasonable test case.
It's unlikely that anyone is interested in fixing this, esp. given that RTL
PRE/CPROP are doing less and less these days as the tree optimizers improve.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |WONTFIX
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16967