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[Bug target/33049] [avr] bit extraction non optimal, inversing logic solves problem
- From: "gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 20 Jun 2011 10:59:03 +0000
- Subject: [Bug target/33049] [avr] bit extraction non optimal, inversing logic solves problem
- Auto-submitted: auto-generated
- References: <bug-33049-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33049
Georg-Johann Lay <gjl at gcc dot gnu.org> changed:
What |Removed |Added
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AssignedTo|unassigned at gcc dot |gjl at gcc dot gnu.org
|gnu.org |
--- Comment #17 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-06-20 10:58:59 UTC ---
Created attachment 24563
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24563
pr33049.diff
Patch also covering PR49446.
Tested without regression against SVN 175201
PR target/33049
* config/avr/avr.md (extzv): New expander.
(*extzv, *extzv.qihi1, *extzv.qihi2): New insn-and-split.