(cc'ing gcc@gcc.gnu.org)
On Nov 21, 2007 2:38 AM, Wouter van Gulik <[EMAIL PROTECTED]> wrote:
> Also consider the fuse bit get routine. This scheme gives more knowledge
> to the compiler, unfortunately gcc fails to see the loading of r31 can
> done once:
>
> using this:
>
> ===
Shaun Jackman wrote:
I have also noticed that a series of
p = buf; *p++; *p++ *p++;
get's optimized to
buf[0]; buf[1]; buf[2];
which may be faster on some architectures, but loading constants is
quite expensive on the AVR.
Phew, I just tried this:
extern unsig
