Re: [avr-gcc-list] [discussion] lpm support in avr-gcc

[Denis Chertykov]

address@hidden (Joerg Wunsch) writes:

> Harald Kipp <address@hidden> wrote:
> 
> > I don't know much about the compiler's internal structure,
> > but I guess, that both suggestions
> > 
> >    1. Automatic recognition of PMEM pointers in assingments
> >    2. Using P modifier for string literals
> > 
> > would require substantial changes, while the current way,
> > using the special attribute progmem, changes the runtime
> > lib only.
> 
> Using __attribute__ is IMHO fine.  But it would be ideal if
> this could automatically make gcc emit lpm instructions
> when accessing these variables.

IMHO: It's impossible for avr port without changes in generic GCC.
So, It's a question to GCC maintainers.
Even Linus has asked about something like this.

Denis.

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