--- Comment #7 from jakub at gcc dot gnu dot org 2010-03-03 07:03 ---
Fixed.
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jakub at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #6 from jakub at gcc dot gnu dot org 2010-03-03 07:01 ---
Subject: Bug 43177
Author: jakub
Date: Wed Mar 3 07:01:27 2010
New Revision: 157189
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157189
Log:
PR debug/43177
* var-tracking.c (loc_cmp): Don't
--- Comment #5 from jakub at gcc dot gnu dot org 2010-03-03 06:59 ---
Subject: Bug 43177
Author: jakub
Date: Wed Mar 3 06:59:09 2010
New Revision: 157188
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157188
Log:
PR debug/43177
* var-tracking.c (loc_cmp): Don't
--- Comment #4 from jakub at gcc dot gnu dot org 2010-03-02 12:34 ---
Updated patch which actually bootstraps/regtests posted:
http://gcc.gnu.org/ml/gcc-patches/2010-03/msg00096.html
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jakub at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #3 from jakub at gcc dot gnu dot org 2010-03-02 08:04 ---
Unfortunately, the patch didn't bootstrap.
One issue is loc_cmp, which asserts everywhere the modes are the same. Which
isn't necessarily true, we can end up comparing e.g.:
(subreg:QI (value/s/u:DI 28:4092 @0x4828ae8
--- Comment #2 from jakub at gcc dot gnu dot org 2010-03-01 16:25 ---
Created an attachment (id=2)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=2&action=view)
gcc45-pr43177.patch
Untested patch I'm playing with.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43177
--- Comment #1 from jakub at gcc dot gnu dot org 2010-02-26 14:07 ---
The initial question is whether to implement these for easily reversible insns
in vt_initialize, or when a VALUE becomes dead because nothing uses it.
Implementing it in vt_initialize (add_stores and count_uses) would
