Supporting 'MAC' instruction on gcc v4.1.1

[Geert Bosch]

On May 11, 2007, at 11:31, Andrew Haley wrote:

> It shouldn't have.  All args are ints, and if we are assuming (as the
> C standard says) that int overflow is undefined, the transformation is
> valid.

Aarghh..! I even quoted the part that mentioned ints, but still thought
it was about float. Sure, for int this should be fine. Undefinedness in
C also isn't really relevant here. Sorry for the noise.

   -Geert