"Christopher C. Chimelis" <chris@debian.org> writes:
> On 19 Jan 2002, Falk Hueffner wrote:
>
> > I would like to compile some stuff containing inline assembler like:
> >
> > void foo() {
> > long x;
> > asm("unpkbw %1, %0" : "=r"(x) : "r"(123456));
> > }
> >
> > This works if I pass -Wa,-mpca56. But it will *not* work if I also use
> > -mcpu=ev56 for gcc, since gcc then emits .arch ev56 into the .s, and
> > as complains ev56 can't handle unpkbw. What should I do? Convince gcc
> > not to emit .arch? Convince as to prefer the command line option? Some
> > other suggestions?
>
> Basically, you can't use any of those MVI extensions on any processor that
> doesn't support it (>= PCA56, IIRC). That code should probably have a
> conditional around it that depends on an amask check of the processor's
> support for MVI.
Yes, I know, and it is protected by amask. I just want it to
compile/assemble, but the assembler refuses to do so if it finds .arch
ev56.
Falk