i386 string patterns vs global registers

[Michael Matz]

Hi,

On Wed, 12 Feb 2003, Richard Henderson wrote:

> > If someone introduces a patch which breaks such code, and I ask for the
> > patch to be reverted, can I expect that the request will be honoured?
>
> I think that would depend on the patch, but probably yes.

Are you sure that current GCC works with only three registers?  We would
be left with %eax, %edx and %ecx (at least two of them are besides each
other).  With this constrained set we have a hard time implementing long
long arithmetics (it's possible, but I wouldn't bet on it right now).


Ciao,
Michael.