RE: [avr-gcc-list] gcc builds wrong code?

[Larry Barello]

You are the problem :) You need to load the contents of the FLASH table into
a regular C variable before accessing it.  Read about accessing program
memory or FLASH  in the faq that comes with libc.  The macro's you need are
in "pgmspace.h"

-----Original Message-----
From:  Klaus Rudolph

Hi all,

I wrote the following testcode and found that if a table of pointers to
functions
recides in flash "attribute progmem" the code is not correct.

Is the compiler doing the wrong or am I the problem :-)
...
volatile int all=0;

typedef int(*fp_t)(int) ;

// Version 1 fail
const fp_t __attribute__ ((progmem)) fp[]={f2,f3,f4,0} ;
//Version 2 ok
//const fp_t fp[]={f2,f3,f4,0} ;