Dear Scott Wood, > On 09/18/2012 01:33:11 PM, Marek Vasut wrote: > > Dear Scott Wood, > > > > > On 09/18/2012 01:03:17 PM, Marek Vasut wrote: > > > > I'd say the GCC must optimize it out anyway. > > > > > > I think I got some wires crossed and was thinking about printf/puts. > > > We want those to be optimized away at compile time (not pointed to a > > > stub at link time) on an SPL that has no output support, but once > > > that's done the low level serial functions shouldn't be referenced > > > anymore, right? > > > > But if you point them to stubs, that's OK. The compiler will GC these > > useless > > stubs anyway. But wait, we're getting to LTO here, right? > > > > So the safest bet really is macro in serial.h ? > > For printf/puts, we want something header-based. For the serial > functions it depends on whether we have call sites that do not get GCed.
I'm not removing printf() puts() etc. .. only the serial_ goo ... and see my other email, not much gain :( > -Scott Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
