> -----Original Message----- > From: > avr-gcc-list-bounces+eweddington=cso.atmel....@nongnu.org > [mailto:avr-gcc-list-bounces+eweddington=cso.atmel....@nongnu. > org] On Behalf Of David Brown > Sent: Friday, March 06, 2009 5:08 AM > To: avr-gcc-list@nongnu.org > Subject: [avr-gcc-list] Re: sprintf > > The same changes list shows that "0b" integers have now made it into > mainline gcc from avr-gcc - wasn't that one of yours?
Yes, that was Joerg's patch. > >> Neither compiler produced the smarter possibility: > >> > >> lds r24, as+1 > >> ldi r30, lo8(bs) > >> ldi r31, hi8(bs) > >> st Z+, r24 > >> st Z+, r24 > >> st Z+, r24 > >> st Z+, r24 > >> ret > > > > Because apparantly, nobody has generated a pattern for that case. > > > > I have no idea what sort of effort is needed to implement such a > pattern, or whether it might be generally useful. If any of > the experts > thinks it is feasible to do, and realistic to think that > someone might > have the time to implement it, then I'll be happy to write it up as a > "missed optimisation" bug report so it doesn't get lost. I think it's still good to write up a missed-optimization bug report in GCC. Even if it takes a while to get to it. Let me know the bug number. _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
