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Re: [m68k] gcc-3.4.0 fails for ColdFire(does not satisfy constraints)


On Sun, May 30, 2004 at 06:13:23AM +0200, Bernardo Innocenti wrote:
> >	* config/m68k/m68k.h: disallow bytes in address registers.
> >	* config/m68k/m68k.c: Likewise.

This seems reasonable.   I doubt you get much benefit from holding
bytes in address registers to begin with.

> > add peephole2
> >          to use a data register to hold the constant for the add if
> >          one is available. 

First, this is an unrelated change, so it should have been
submitted separately.  Second, don't you want to *only* perform
this peephole for immediates outside -8 ... 8, i.e. those that
can be handled by addq.l directly?


r~


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