> On Jun 17, 2022, at 11:51 AM, Andreas Schwab <sch...@linux-m68k.org> wrote:
>
> On Jun 17 2022, Paul Koning via Gcc wrote:
>
>> In expanding a longer-than-word compare, I need to do things differently
>> depending on whether a signed vs. unsigned compare is needed. But it seems
>> the compare operation applies to either. How can I do this in the target
>> code?
>
> There are both signed and unsigned comparison operations, eg. GE
> vs. GEU.
>
> --
> Andreas Schwab, sch...@linux-m68k.org
It looks like what I need is to define additional CCmodes, to describe "cc mode
valid for unsigned comparison" vs. "cc mode valid for signed comparison".
Right now I don't make that distinction and that reportedly can produce bad
code errors.
paul
