This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[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: Tue, 21 Jun 2011 17:32:19 +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
--- Comment #18 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-06-21 17:30:57 UTC ---
Author: gjl
Date: Tue Jun 21 17:30:54 2011
New Revision: 175269
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175269
Log:
PR target/33049
* config/avr/avr.md (extzv): New expander.
(*extzv): New insn.
(*extzv.qihi1, *extzv.qihi2): New insn-and-split.
* config/avr/constraints.md (C04): New constraint.
* doc/md.texi (Machine Constraints): Document it.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/avr/avr.md
trunk/gcc/config/avr/constraints.md
trunk/gcc/doc/md.texi