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[Bug debug/52001] [4.7 Regression] Huge compile-time regression with var-tracking
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 26 Jan 2012 15:50:20 +0000
- Subject: [Bug debug/52001] [4.7 Regression] Huge compile-time regression with var-tracking
- Auto-submitted: auto-generated
- References: <bug-52001-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52001
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-26 15:50:20 UTC ---
Created attachment 26472
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26472
gcc47-pr52001.patch
Untested fix. It doesn't make any sense to insert any reverse ops when V is
already known to have a location which is certainly simpler than that and
permanently available through the entire function.