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[Bug target/45336] pextr{b,w,d}, (worse than) redundant extensions
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Aug 2010 17:44:08 -0000
- Subject: [Bug target/45336] pextr{b,w,d}, (worse than) redundant extensions
- References: <bug-45336-9709@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from jakub at gcc dot gnu dot org 2010-08-19 17:44 -------
Subject: Bug 45336
Author: jakub
Date: Thu Aug 19 17:43:50 2010
New Revision: 163384
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163384
Log:
PR target/45336
* simplify-rtx.c (simplify_unary_operation_1): Optimize nested
SIGN_EXTENDs or ZERO_EXTENDs.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/simplify-rtx.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45336