Re: [avr-gcc-list] possible 4.1.2 bug

[Joerg Wunsch]

John Regehr <address@hidden> wrote:

> I'm not at all sure that the asm is correct (didn't write it) but it
> seems that gcc shouldn't be picking an unusable register in any
> case.

The constraint "r" says: "You are free to pick *any* register."  As
your instruction requires an "upper register" (r16 through r31), you
simply need to tell that: make the constraint of the second argument
"d", and it will work.

-- 
cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)