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[Bug tree-optimization/27004] [4.1/4.2/4.3 Regression] Insane amount of memory needed at -O1 and above because of salias and large switch
- 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: 4 Nov 2007 12:47:36 -0000
- Subject: [Bug tree-optimization/27004] [4.1/4.2/4.3 Regression] Insane amount of memory needed at -O1 and above because of salias and large switch
- References: <bug-27004-7849@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 2007-11-04 12:47 -------
If you solve the SFT problem, DF needs lot of memory and compile-time in this
testcase on the trunk. The execute() function has lots of basic blocks with
a high number of incoming edges.
So, I have a patch for the SFT problem.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2007-11-04 12:47:36
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27004