Unnecessary sign- and zero-extensions in GCC?

[Steven Bosscher]

On Monday 18 April 2005 20:53, Nicholas Nethercote wrote:
> Hi,
>
> I've been looking at GCC's use of sign-extensions when dealing with
> integers smaller than a machine word size.  It looks like there is room
> for improvement.

Is your problem the same as the one described on one of the Wiki pages,
"http://gcc.gnu.org/wiki/Exploiting Dual Mode Operation"?

Gr.
Steven