Re: [avr-gcc-list] pgmspace.h: In function `__elpm_inline on atmega128

[Kang Tin LAI]

Hi,

I just finished my tools chain upgrade from gcc 3.0.x.

You need to upgrade the binutils and libc to binutils-2.13 and
avr-libc-20020630 respectively. Also, the gcc should be the latest CVS.

Kang Tin LAI <address@hidden>

Oliver Kasten wrote:
> 
> hi there,
> 
>  i seem to have the same problem as others before but couldn't find a
> solution in the archives. thats when i start bothering you ;)
> 
> i get a warning (when compiling for the atmega128):
> 
> avr-gcc -mmcu=atmega128 -O6 -Wall -I. -I/home/kasten/sits-inst/include
> -DBTNODE   -c -o sits-randomnumber-init.o
> ../share/sits-randomnumber-init.c
> /usr/local/avr/avr/include/pgmspace.h: In function `__elpm_inline':
> /usr/local/avr/avr/include/pgmspace.h:80: warning: asm operand 2
> probably doesn't match constraints
> 
> i am using the following tools :
> 
>  binutils 2.11.2 (patched)
>  gcc 3.2
>  libc 20020203
> 
> i haven't had the warning with older tools (gcc3.0.4 and older libc) and
> i don't get the warning with every program i compile.
> 
> is that a problem with an outdatet libc or a compiler problem? is there
> an easy fix or should i just change to different versions of the
> toolchain?
> 
> what is actually effected if it doesn't work?
> 
> thanks heaps!
> 
> olli*
> 
> On 6/3/2002 at 10:55 Peter Bosscha wrote:
> 
> > >Hi Folks,
> > >
> > >Has anyone tried
> > >
> > >static inline unsigned char __elpm_inline(unsigned long __addr)
> > >
> > >as defined in pgmspace.h.
> > >
> > >Or for that matter the __ELPM_enhanced__(addr) in ina90.h.
> > >
> > >I'm getting:
> > >
> > >warning: asm operand 1 probably doesn't match constraints
> > >inconsistent operand constraints in an `asm'
> > >
> > >Is there a problem or am I doing something silly ?
> > >Are there alternatives ?
> > >
> >
> > If you are compiling for the ATMega128 using my quick fix patch for Win32, 
> > then
> > the problem is that the mcu=avr5 does not support the elpm instruction. But 
> > the code
> > that are using it in a seperate module, and compile that module with 
> > mcu=atmega103.
> >
> > Hope This helps
> >
> > Regards
> >    Anton Erasmus
> >
> >avr-gcc-list at http://avr1.org
> 
> --
> Oliver Kasten                                phone: +41/ 1/ 63-2 06 63
> ETH-Zurich                                     fax: +41/ 1/ 63-2 16 59
> Haldeneggsteig 4, IFW D48.1           email: address@hidden
> CH-8092 Zuerich, Switzerland           http://www.inf.ethz.ch/~kasten/
> avr-gcc-list at http://avr1.org
avr-gcc-list at http://avr1.org