[Bug target/47556] x86: fails to take advantage of high-byte addressing mode

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47556

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |i?86-*-*
          Component|c                           |target

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-01-31 
21:47:32 UTC ---
Sometimes these are done to avoid a stall due to partial use of the register in
newer processors.