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eric dot weddington at atmel dot com changed:
What|Removed |Added
Target Milestone|--- |4.3.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35519
--- Comment #7 from hutchinsonandy at gcc dot gnu dot org 2008-04-12 15:27
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Fixed 4.3 and 4.4
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hutchinsonandy at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #6 from hutchinsonandy at gcc dot gnu dot org 2008-04-09 22:51
---
Subject: Bug 35519
Author: hutchinsonandy
Date: Wed Apr 9 22:50:42 2008
New Revision: 134152
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134152
Log:
2008-04-09 Andy Hutchinson <[EMAIL PROTECTED]>
--- Comment #5 from hutchinsonandy at gcc dot gnu dot org 2008-04-04 23:46
---
Subject: Bug 35519
Author: hutchinsonandy
Date: Fri Apr 4 23:45:46 2008
New Revision: 133920
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133920
Log:
PR rtl-optimization/34916
PR middle-end/35519
--- Comment #4 from hutchinsonandy at aim dot com 2008-03-15 23:49 ---
This bug also causes incorrect code and appears to be regression from 4.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34916
The good news is that the fix is effective.
Anything else I can do to help expedite the im
--- Comment #3 from hutchinsonandy at aim dot com 2008-03-10 22:24 ---
Subject: Re: COMBINE repeating same matches and can
SEG fault
The quadratic nature does not seem to be particularly problem with the
data involved.
The log_links is build up incrementally. (with duplicates at pr
--- Comment #2 from steven at gcc dot gnu dot org 2008-03-10 20:04 ---
The patch makes adding log use an algorithm quadratic in the number of log
links per insn. It is probably better to:
1. build the log links.
2. filter out the duplicates as a post pass (and maybe sort them while at i
--- Comment #1 from hutchinsonandy at aim dot com 2008-03-09 23:52 ---
Created an attachment (id=15287)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15287&action=view)
Patch for consideratiom towards a solution
Patch that removes duplicates when LOG_LINKS is created.
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