[Bug rtl-optimization/41833] vec_splat followed by vec_splat could be improved

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2009-11-04 18:36 -------
Subject: Bug 41833

Author: pinskia
Date: Wed Nov  4 18:35:57 2009
New Revision: 153906

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153906
Log:
2009-11-04  Andrew Pinski  <andrew_pin...@playstation.sony.com>
            Trevor Smigiel <trevor_smig...@playstation.sony.com>

        PR rtl-opt/41833
        * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
        a vec_duplicate.

2009-11-04  Andrew Pinski  <andrew_pin...@playstation.sony.com>

        PR rtl-opt/41833
        * gcc.target/powerpc/altivec-33.c: New testcase.


Added:
    trunk/gcc/testsuite/gcc.target/powerpc/altivec-33.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41833