[Bug tree-optimization/55177] missed optimizations with __builtin_bswap

[krebbel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55177

Andreas Krebbel <krebbel at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |krebbel at gcc dot gnu.org

--- Comment #13 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Is that one fixed with?
2013-05-24  Eric Botcazou  <ebotcazou@adacore.com>

    PR rtl-optimization/55177
    * simplify-rtx.c (simplify_unary_operation_1) <NOT>: Deal with BSWAP.
    (simplify_byte_swapping_operation): New.
    (simplify_binary_operation_1): Call it for AND, IOR and XOR.
    (simplify_relational_operation_1): Deal with BSWAP.