http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42210
Georg-Johann Lay changed:
What|Removed |Added
Status|NEW |RESOLVED
CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42210
--- Comment #4 from Georg-Johann Lay 2011-06-06
09:00:41 UTC ---
Author: gjl
Date: Mon Jun 6 09:00:36 2011
New Revision: 174685
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174685
Log:
PR target/42210
* config/avr/predicates.md
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42210
--- Comment #3 from Georg-Johann Lay 2011-05-17
19:16:45 UTC ---
Created attachment 24269
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24269
Patch against 4.7.0 (r173832)
See also
http://gcc.gnu.org/ml/gcc-patches/2011-04/msg02099.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42210
--- Comment #2 from Georg-Johann Lay 2011-04-26
11:35:23 UTC ---
Created attachment 24102
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24102
extended testcase
Added testcase with some more variations of "setting bits in I/O" theme.
--- Comment #1 from hutchinsonandy at gcc dot gnu dot org 2009-11-29 14:35
---
Same on 4.5 Head.
The backend patterns match against "MEM AND singlebit".
Combine never considers this.
Incoming RTL and Combine pass dump file extract:
;; Pred edge ENTRY [100.0%] (fallthru)
(note 4 0
