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[Bug target/42879] Replace "tst r3, 1" with "lsl r3, r3, 31" in thumb2
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Jan 2010 10:25:46 -0000
- Subject: [Bug target/42879] Replace "tst r3, 1" with "lsl r3, r3, 31" in thumb2
- References: <bug-42879-17659@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from rguenth at gcc dot gnu dot org 2010-01-27 10:25 -------
Could be done in a peephole if there's a scratch available for the destination.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-01-27 10:25:46
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42879