[Bug target/45336] pextr{b,w,d}, (worse than) redundant extensions

[jakub 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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45336